Completed Projects

Last Updated on: November 05, 2022

(AGRICULTURE/ HORTICULTURE SECTOR)

Project Title : Crop Acreage & Production Estimation (CAPE), Phase-II, for Mustard, Jute and Winter Paddy for Assam

Project Status : Completed (1993-2012)

Production acreage forecasting of important agricultural crops using satellite remote sensing data initiated under the project “Crop Acreage and Production Estimation” was initiated by Space Applications Centre and carried out over a period of two decades at the behest of Ministry of Agriculture, Govt. of India (MOA). Subsequently for Assam Mustard, Jute and Winter paddy were selected for pre harvest crop acreage and production estimation using Multi-temporal SAR & RISAT microwave datasets for Kharif Rice and Jute crop and IRS 1D LISS-III dataset Mustard crop forecast in Assam

The major achievements of the CAPE project was:
1. Regular multiple pre-harvest forecast of Jute, Mustard and winter paddy of Assam at district level/regional level was done since 1993.
2. Established the methodology of pre-harvest crop forecast and technology was handed over to Ministry of Agriculture and Cooperation & farmers', Welfare, Govt. of India.
3. Mahalanobis National Crop Forecasting Centre (MNCFC), New Delhi was established on 23rd April, 2012 to Execution of technology achieved by CAPE

Project Title : Cropping System Study of Assam With Emphasis to Horticultural Development in Hill Areas Using Remote Sensing Technique

Project Status : Completed (2006)

Assam being the state of undulating terrain with river valley and hills shows wide diversity in soil resources, landuse pattern, crops, physiography and agroecology. High rainfall and alluvial nature of soil is potentially suitable for field crops and horticulture crops. But due to lack of proper land resource map, accurate crop statistics of existing croping pattern and their spatial distribution. Soil resource inventory and assured input like irrigation, drainage, proper varieties, fertilizer perhaps may lead to green revolution in this food deficit state. The main objective of the project was
1. To study existing cropping system.
2. To prepare soil thematic map.
3. to prepare soil suitability map.

The was conducted for entire Assam including Barak Valley using IRS-1D LISS-III satellite data, Survey of India Toposheet, Laboratory data of soil sample collected from different soil units, published reports & maps by Dept. of Agriculture, Directorate of Economics & Statistics and other auxillary data.

Project Title : Coordinated Horticulture Assessment and Management using Geo-informatics(CHAMAN Phase-I ) : Site Suitability Analysis for Area Expansion of Banana Crop in Goalpara district, Assam

Project Status : Completed (2015)

The execution of CHAMAN project was started in the month of January, 2017 after a series of meeting and training held at NESAC, Umiam

The main objective of the project was to identify potential area for further expansion of Banana in cultivable wasteland like open and dense Scrubland and grassland which are located in upland condition.

The Land use and Land layer from SIS-DP was updated using IRS-P6 LISSIV data and the base layers like Land use, Road and Railways, Rivers and Tributaries, Administrative boundaries (village and circle boundaries) have been taken for the Goalpara district. From the updated land use map of the study area Scrubland (Dense and Open) and Grassland (Excluding the riverbed grass land) were being extracted for site suitability analysis. Different Soil parameters like- Soil texture, pH, Depth, Drainage and Stoniness have been considered for the delineation of suitable areas for Banana cultivation in Goalpara district. Ground water status and other topographic parameters like Relief pattern and slope condition of the area were also considered for site suitability evaluation. Finally, Site suitability map is prepared by using index analysis giving different weight age values to different layers.

The project was successfully completed and the final report of the project has been submitted to Ministry of Agriculture & Farmer’s Welfare, Govt. of India and also to State Horticulture Department, Assam.

Project Title : Coordinated Horticulture Assessment and Management using Geo-informatics(CHAMAN Phase-II ) : Site Suitability Analysis for Area Expansion of Assam Lemon, Turmeric & Pineapple crop in Nagaon, Chirang & Cachar District of Assam

Project Status : Completed (2020)

After successful complication of CHAMAN PHASE-I the second phase of the project was initiated with the objective of Site suitability Analysis for Area Expansion of Assam Lemon, Turmeric & Pineapple crop in Nagaon, Chirang & Cachar District of Assam.

The Land use and Land layer from SIS-DP was updated using IRS-P6 LISSIV data and the base layers like Land use, Road and Railways, Rivers and Tributaries, Administrative boundaries (village and circle boundaries) have been taken for the three districts . From the updated land use map of the study area scrubland (Dense and Open) and Grassland (Excluding the riverbed grass land) were being extracted for site suitability studies. Different Soil parameters like- Soil texture, pH, Depth, Drainage and Stoniness, Ground water status and other topographic parameters like Relief pattern and slope condition of the area were considered for site suitability evaluation. Finally, Site suitability map is prepared by using index analysis giving different weightage values to different layers have been assigned for generating highly, moderately and marginally suitable areas for Assam Lemon, Turmeric and Pine Apple cultivation in Nagaon, Chirang & Cachar District of Assam.

The project was successfully completed and the final report of the project has been submitted to Ministry of Agriculture & Farmer’s Welfare, Govt. of India.

Project Title : Application of Remote Sensing and GIS in Sericulture Development (Phase-1) for the districts of Cachar, Dhubri, Dima Hasao, Golaghat, Hailakandi, Karbi Anglong, Karimganj, Lakhimpur & Udalguri districts

Project Status : Completed (2012)

Developments in the geospatial technologies have allowed us to mount many applications of relevance to sericulture development at grass-root level.. Adoption of sericulture as an alternative to agriculture is possible under suitable agro-climatic conditions all over India and especially NER. But the potential varies from place to place and needs scientific evaluation of an area before venturing into the practice. It is here that the satellite technology has an important role to play. Hence, a project on Applications of Remote Sensing and GIS in Sericulture Development has been taken up for implementation during the XII Five Year Plan period. The CSB has a mandate for evolving a convergence strategy with the programmes of Ministry of Rural Development (MRD) for development of sericulture as a sustainable livelihood especially in the North Eastern Region (NER) of the. In 1st phase of the project total nine potential districts of Assam were selected. The Main objectives are:
1. To map and identify the potential sites for development of silkworm food plant for mulberry and non-mulberry food plant in the non- traditional states in 1:50,000 scale.
2. To conduct appraisal survey in selected block.
3. To develop and implement a network of sericulture information Linkage & knowledge system (SILK)

Soil characteristics obtained from the soil map, Slope map derived from arto DEM/SRTM DEM, ground water availability obtained from ground water prospect map prepared under Rajiv Gandhi National Drinking Water Mission are integrated with Land use map prepared by using IRSP6 LISSIII data are integrated in GIS environment

Project Title : Application of Remote Sensing and GIS in Sericulture Development (Phase-II) for the districts of Kamrup Rural, Sibsagar, Morigaon, Dhemaji, Kokrajhar, Baksa, Goalpara districts.

Project Status : Completed (2019)

After successful completion of the first phase of the project 2nd phase has been implemented in 7 districts of Assam. North Eastern Space Applications Centre (NESAC) took the lead on behalf of DOS and came up with the project proposal titled Applications of Remote Sensing and GIS in Sericulture which has two major components:
1. Identification and mapping of potential areas on 1: 50,000 scale for development of silkworm host plants covering selected districts
2. Development of a network of Sericulture Information Linkages and Knowledge System (SILKS) for the selected districts.

After generation and compilation of Data SILKS was developed and demonstrated on lines similar to Agriculture Planning Information Bank (APIB) developed by NESAC. More details of the modules, information content and the strength of decision support of APIB can be seen at megapib.nic.in

Project Title : Spatio-Temporal Mapping of Methene Emission from Rice Fields

Project Status : Completed (2006)

The objectives of the project were :
1. Intensive field measurement and analysis of Methene emissions from different Agro-ecological regions of country
2. Integration of Remote sensing and ancillary information in GIS environment to stratify the area and design an optimum sampling plan for field measurements
3. Generation of spatio temporal emission pattern of Methene from Rice ecosystem
4. To predict and estimate the Methane emission pattern and emission based on soil, cultivars and environmental conditions.

Methodology and data used:
SPOT VGT, NDVI & other important GIS datasets were used during the study. For collecting Methane gas from rice field close chamber sampling technique was used . Gas Chromatography technique was used to analyze the Methane emission in rice fields

The Result of the study is summarised as follows :
1. Total mean emission of Methane from Rice system of India was 3.386 Tg
2. Spatial distribution of Methane was higher (> 1730 ppd) in North East Region of India
3. Methane emission was picked during August/September and lowest in March

Project Title : Agriculture Resource Information System for Morigaon District (Phase-2)

Project Status : Completed (2015)

The objectives of the project were :
1. To prepare Agriculture administrative boundary map, Agril. district map, Subdivision map & Circle Map for Agril. Development officer, VLEW boundary for Morigaon district
2. To prepare ADO circle level LULC map, Crop map, Road map, Drainage map, Relief map, Slope map
3. To prepare Soil Resource map (Soil Ph, Texture, Organic matter, Phosporous, Potassium etc.)
4. Integrate all Database under GIS Environment

Methodology:
1. ADO circle map, Subdivision map, Village map has been prepared with the help of GIS based databases and in consultation with Agril. Dept.
2. LULC map, Crop map, Drainage map & Road maps were prepared using Satellite data
3. Slope map, Relief map, DEM and Aspect maps were prepared using ASTER G-DEM & SRTM satellite data
4. Different Soil parameters map were analyzed in laboratories and prepared in GIS based environment

The Result of the study is summarised as follows :
1. ADO circle map, VLEW map, Subdivision map for Morigaon Agril. District has been finalized and prepared
2. LULC map, Physiographic maps and Different soil parameters maps were prepared for Morigaon District
3. Summer paddy and Mustard crop map for Morigaon Agril. District has been prepared
4. Final Project report has been handed over to Dept. of Agril. Morigaon district
5. Final Project report has been handed over to Dept. of Agril. Kamrup district

Project Title : Agriculture Resource Information System for Kamrup District (Phase-1)

Project Status : Completed

The objectives of the project were :
1. To prepare Agricultural administrative boundary map, Agril. district map, Subdivision map & Circle Map for Agril. Development officers
2. To prepare ADO circle level LULC map, Crop map, Road map, Drainage map, Relief map, Slope map
3. To prepare Soil Resource map
4. Integrate all Database under GIS Environment

Methodology:
1. ADO circle map, Subdivision map, Village map has been prepared with the help of GIS based databases and in consultation with Agril.Dept.
2. LULC map, Crop map, Drainage map & Road maps were prepared using Satellite data
3. Slope map, Relief map, DEM and Aspect maps were prepared using ASTER G-DEM & SRTM satellite data
4. Different Soil parameters map were analyzed in laboratories and prepared in GIS based environment

The Result of the study is summarised as follows :
1. ADO circle map, VLEW map, Subdivision map for Kamrup Agril. District has been finalized
2. LULC map, Physiographic maps and Different soil parameters maps were prepared for Kamrup District
3. Summer paddy and Mustard crop map for Kamrup Agril. District has been prepared
4. Final Project report has been handed over to Dept. of Agril. Kamrup district

Project Title : Creation of Information System for Agriculture Resource (Morigaon district), Block Resource (Jania Bihdia Jajikona block) and Wetland Resource Building ( Kamrup district)

Project Status : Completed (2016)

The data to be generated under this project will be extensively used by Dept. of Agriculture, Panchayat & Rural Development and Fishery department.

Objectives :
To prepare Agricultural Resource Atlas of Morigaon district, Block Resource Map and Wetland Resources of Kamrup district

Project Title : Application of Geospatial Technology for Identification & Mapping of Maize and Boro Rice cultivation areas in Darrang and Nagaon district of Assam

Project Status : Completed

A pilot study on Identification and Mapping of Winter Maize and Boro rice cropping area was conducted by Assam State Space Application Centre (ASSAC) with the help of modern Remote sensing technique. For this study Darrang district in the Northern bank of Brahmaputra valley was considered for the study of Maize and Boro rice. On the other hand Nagaon district was considered for monitoring the Boro rice. The project is the first of its kind of study which will ultimately help the Dept. of Agriculture in forecasting and management of Crop planning & production in coming years.

Result of the study:

The analysis ultimately shows that a total of 7598.14 Ha. Of land is under Boro rice cultivation in Darrang district
Maize cultivation area in Darrang district stands at 11672.7 Ha. It has been observed from the study that the Winter Maize crop is gradually become more popular amongst the farmers of Darrang district.
Remote sensing based analysis for identification and mapping of Boro rice cultivation area in Nagaon district shows that a total of 22572.35 Ha. Of land in under Boro rice. Most of the Boro rice cultivation areas are concentrated in Bordua, Dhing, Rupohihat & Jamunamukh area.

DISASTER MANAGEMENT

Project Title : Drainage Congested and Flood Prone Area Mapping of Barak River

Project Status : Completed

The Project was entrusted to Assam Remote Sensing Application Centre by The Brahmaputra Board, Govt. of India with the following objectives:

To identify the drainage congested areas of the three different sub-basins of the Brahmaputra and Barak valleys.
To identify the flood prone areas of different sub-basins of the Brahmaputra and Barak Valleys
To identify the breaches in the embankments during the flood seasons of 1986, 1987, 1988 and 1989
To identify the erosion prone breaches of the different rivers of the Barak and the Brahmaputra valleys

The Mapping scale of the project is 1:50,000. The study has been carried out by visual interpretation of satellite imagery of LANDSAT (TM)¬ and IRS (LISS-II) data acquired during the flood season during 1986 to 1995. Base maps were prepared from the Survey of India (SOI) toposheet on 1:50,000 scale. Conventional data, aerial photographs and dry season imagery were also used as collateral material.

FORESTRY AND ECOLOGY

Project Title : Landmass Dynamic and RHINO Habitat Suitability Analysis in Kaziranga National Park, Assam

Project Status : Completed (1997)

The study of Landmass Dynamic and Rhino Habitat Suitability Analysis in Kaziranga National Park was initially taken up as Post-Graduate Diploma project work but later on with the support of Directorate of Kaziranga National Park, Bokakhat, Assam the scope of the project extended to include the landmass dynamics over past thirty years.

1. The main objective of the project was to study erosion and dynamics of landmass over a period of time (1967 to 1997
2. Habitat suitability assessment for Rhinoceros unicornis in the park.

The study was conducted using all existing information available with the Directorate of Kaziranga National Park, Survey of India Toposheet, IRS-1B LISS-II and Landsat Thematic Mapper Satellite imagery pertaining to 1967-68, 1990 and 1997 period on 1:50,000 scale. Initially analysis was done manually and later on digitally incorporated into the SPANS geographic Information System.

A reducing in land mass by 20.8 sq. km was noted between 1967-68 and 1997 due to erosion by river Brahmaputra. The finding of habitat analysis of Rhino in the park showed that 73% of the park area has high to low suitability and 27% of the land mass area found to be least suitable or not suitable to Rhino.

Project Title : Land Cover Mapping of Manas-Buxa-Jaldapara Elephant Reserve of Assam, Using Remote Sensing Technique

Project Status : Completed (1999)

The large scale dwindling of elephant habitat as a result of massive deforestation in the recent times, they have been migrating hundreds of kilometers in search of proper food and shelter. This has resulted in the animal straying into human habitat and people being by rampage. In order to take necessary steps for "proper management" of the dwindling elephant habitat, the ministry of Environment and Forest, Govt. of India submitted a proposal to Planning Commissioner in the 1989 seeking clearance of fund for carrying out the project called "Project Elephant". The aim of the project was not only to protect the elephant but also to solve human problem arising due to dwindling elephant habitat.

The main objectives of the study are:
1. To prepare land cover map of the Manas-Buxa-Jaldapara elephant reserve on 1:50,000 scale
2. To classify different types of forest/non forest areas and to estimate the density of each type of forest.
3. To estimate the aerial extend under different classes of forest cover.

The study was conducted using FCC paper print of IRS-1B/1C and survey of India topo sheets and from the study the following action points/suggestions were achieved:
1. Reserve forest boundaries need to be clearly marked on the map
2. Periodic monitoring of the elephant reserve forest should be done at least once in five years.
3. Appropriate strategy should be taken based on data incorporated in GIS environment from the project to protect elephant habitat. 4. Effort should be made for bringing more area under grassland and tree cover to provide food supply sufficient food to elephant.

Project Title : Delineation of Silsako Beel of Kamrup (M) District : using Cadastral map and High Resolution Satellite data

Objective:
To delineate the actual beel area and to find out the encroached area of Silsakobeel by using cadastral map and high resolution satellite data.

Project Title : Inventory of Wetlands within Reserved Forest (RF) Area of Assam

Project Status : Completed

Wetlands are areas of land that are either temporarily or permanently covered by water and it is one of the crucial component of the natural resources and our ecosystems. Cowardin et.al (1979) provides the official federal definition of wetlands as "Wetlands are lands transitional between terrestrial and aquatic system where the water table is usually at or near the surface or the land covered by Shallow Water". Cowardin also devised the widely used classification systems associating wetlands to its hydrological, ecological and geological aspects such as : marine (coastal wetlands including rock shores & coral reefs), estuarine (including deltas, tidal, marshes and mangrove swamps), lacustarine (lakes), riverine (along rivers and streams), palustrine ('marshy'-marshes, swamps and bogs). Given these characteristics, wetland support a large variety of plant and animal species adapted to fluctuating water levels, making the wetlands of critical ecological significance. Present day directions of Remote Sensing (RS) Application along with Geographical Information System (GIS) is found to be an effective tools for identification of objects or phenomenon for mapping, inventory, surveillance and monitoring. Hence can very well be utilised for effective planning of natural resources. Keeping in view of potential applications of space inputs APFBC wanted a detail inventory of the wetlands within RF boundaries of Assam based on satellite remote sensing and GIS.

The exercise was carried out with following objectives:

To detect wetlands with satellite data
Mapping wetlands inside Reserved Forest.
Inventory of number of wetlands in each reserved forest and districts
Assessment of area of each wetland in GIS.

Project Title : National Wetland Inventory and Assessment (NWIA) in Assam in 1: 50,000 scale (Phase I).

Project Status : Completed (2010)

Conservation of wetland has been given priority worldwide and India is not an exception. Realising the importance of wetlands, the Ministry of Environment, Forests and Climate Change (MoEF&CC), Government of India, initiated the National Wetland Inventory and Assessment (NWIA) project using remote sensing technique and a state wide database on wetland was created on GIS environment. The NWIA Phase I was carried out using 2006-07 time frame satellite data and completed on the year 2010.

The main objective of the project is to carry out inventory of the wetlands in 1:50,000 scale, organize the digital database in GIS and develop an information system for retrieval of the data for easy access by users, planners and researchers.

HYDROGEOMORPHOLOGY

Project Title : Ground Water Quality Mapping of Assam under Rajiv Gandhi Drinking Water Technology Mission

Project Status : Completed (2018)

Summary Of the Project:

This project is initiated by Department of Drinking Water Supply (DDWS), Ministry of Rural Development (MoRD).

Objective
Ground water is contaminated from various natural as well artificial sources. Rapid growth of industries, population explosion has direct impact on water quality. One of the objective of this project is to utilize the historical/legacy data available with various Central/State departments/organisations.12 types Water Quality parameter are required to be analysed through collection of field sample using water quality testing kit developed by Tamil Nadu Water and Drainage Board, Chennai. Minimum 20 samples are to be collected from 1:50,000 scale Topomap area in different geomorphological unit excluding reserved forest area.

Collection of pre monsoon ground water sample at village level for 25 districts has been completed. The database against each field sample location are created in GIS as per manual developed by NRSC. Whatever Legacy data received from PHED, Govt. of Assam are integrated. The final ground water quality maps are prepared based on legacy data of PHED considering 8 parameters (i.e. pH, nitrate, arsenic, alkalinity, total hardness, fluoride, chloride and iron). The project is completed and submitted to NRSC, ISRO, GOI.

Project Title : Bankline Migration Study of the Brahmaputra River at Palashbari During the period 1973-89

Project Status : Completed (1993)

The Brahmaputra has braided channels in most of its tranvarse through the plains of Assam. Due to excessive flood discharge and sediment charges constant shifting of bankline is observed. Since this is a recuing affect and has been observed in the reach between Palasbari and Gumi there is almost always a recession and seldom a progression of the bankline, besides causing heavy loss of prosperity it has become a potential problem and danger to the survival of the whole area.

To tackle the problem of erosion it is very essential to understand the flow characteristics river in the effected reach and accordingly this project was initiated with the objectives of

To determine the changes in shape and configuration sandy island.
To determine the rate of erosion of the bank in the reach extending of the study area
To determine the present vulnerable zones of erosion within the reach under consideration
To evaluate a sound methodology for determining bankline changes using Remote Sensing and GIS technology.

Project Title : Geomorphological Mapping of Assam in the scale of 1: 50,000

Data used: Landsat 5 TM and IRS-1A LISS-II

Sponsored by: ASTEC (In-house Project)

Project Status : Completed

Project Title : Districtwise Hydrogeomorphological Mapping of Assam in the scale of 1:250,000

Data used: Landsat 5 TM and IRS-1A LISS-II

Sponsored by: Planning Commission under Drinking Water Technology Mission through National Remote Sensing Agency, Dept. of Space, Govt. of India

Project Status : Completed (1990)

NATURAL RESOURCE

Project Title : Study on Land Use Pattern of Guwahati City, 2002 and its Temporal Change using Remote Sensing Technique

Project Status : Completed (2004)

Timely, accurate and repetitive data on physical growth pattern and development trend of urban areas help planner and administrator in formulating development plans for maintaining the environment and quality of life in city. Remote Sensing technique has been proved to be very effective tools for preparing of accurate land use map which will help the planning profession to determine how much space and what kind of facilities a community will need for activities, in order to perform its function properly.

The project was designed with a view to examine temporal unplanned growth of the city and its impact on the urban environment with the following objectives.

To prepare urban land use map on 1:25,000 scale showing spatial distribution of various land uses.
To analyse the pattern of changes in land use/land cover in Guwahati city since 1967-68.
To assess the impact of land/land cover changes on the environment of Guwahati.

In this project Satellite data of IRS-1D LISSIII and PAN merged data, survey of India Toposheet and master plan map of Guwahati city prepared by Town and Country planning Dept., Govt. of Assam was used to prepare land use map of Guwahati city. From the study it was concluded that in comparison to 1990 there was an increase of 4% built up land in expense of green forest land due to which environment hazard like soil erosion in hills and their subsequent deposition in the low lying areas , artificial flood during rainy season, drainage congestion problem, air and water pollution, traffic congestion etc.

Project Title : Land Use/Land Cover Mapping of Dhemaji District of Assam in 1:50,000 scale.

Project Status : Completed (1996)

Land Resource mapping in Dhemaji district was initiated by the Dept. of Science and Technology, Govt. of Assam and the work was assigned to Assam Remote Sensing Centre, Assam Science, Technology and Environment Council.

The main objectives are:

Prepare a land use land cover map of Dhemaji district in 1:50,000 Scale
Creation of detail land resource database and also irrigation status of the district

In this project FCC of Landsat (TM), survey of India Toposheet was used to prepare land use map of Dhemaji district. From the study the following observations were recorded:

The considerable no of wetlands were dried up and replaced by grassland.
Sand intrusion and bank erosion are common phenomenon of the district
Area under Rabi crops was much lower than kharif crop.
Except Subansiri and Probha reserve forest the other notified forest are under agricultural and grassland.
The attempt of identifying irrigation command area was failed due to miserable condition of all the irrigation scheme.

Project Title : Wasteland Change Analysis of Assam in 1:50,000 scale

Project Status : Completed (2019)

Wasteland Report presents the latest Wastelands Atlas, put together by the Ministry of Rural Development (MoRD) and National Remote Sensing Centre (NRSC) developed as a part of the “National Wasteland Monitoring Project”. The mapping efforts have generated valuable datasets on unutilized/vacant lands and their use in watershed and wastelands management.

The goal of the study is to map the changes occur in the wasteland areas during 2008-09 and 2015-16 and also to map the new areas developed during this period. The objectives of the project are:

Update the wasteland vector layer of 2008-09 using three -season satellite data of 2015-16.
Identify and depict areas with major wasteland change between 2008-09 and 2015-16.
Preparation of Wastelands category-wise spatial change statistics and summation in the form of report and atlas.

Apart from Department of Land Resources, this Atlas is being consulted by various user government departments and non-governmental organizations extensively for implementing various development programmes.

Project Title : National Land Use/Land Cover Mapping and Change Analysis of Assam under 50K (2nd Cycle): Using Multi-temporal Satellite Data

Project Status : Completed (2014)

Natural resources mapping using satellite remote sensing have been an ongoing activity under the NNRMS framework in ISRO/DOS for more than three decades .The main aim of the NNRMS-National Resource Repository would be to create and maintain a systematic archive of all the digital spatial data holdings of thematic and base maps generated using remote sensing images and promote / encourage its use for Government. Business and Societal needs.

The 1st cycle of the nation-wide land use/ land cover mapping at 1:50,000 scale using IRS data has been completed for the country. Spatial database organization and generation of seamless database for entire country is accomplished. National Atlas has been prepared and distributed to various user departments. The LULC information is also put in Web for wider public usage with limited number of classes.

Land Use Land Cover is dynamic in nature and requires regular monitoring to understand areas of rapid change and to ascertain the reasons/drivers for the change. Hence it is planned to monitor the land use land cover on periodic basis every 5 years.

The main aim of the NNRMS-NRR is to create and maintain a systematic archive of all the digital spatial data. The objective of the project is to generate land use/cover map of 2011-12 for the entire country using three season data. Specific objectives include:

To generate spatial database on land use/land cover for 2011-12
To generate land use/land cover change data base along with change matrix with respect to 2005-06 and
To identify areas of major change.

Project Title : Land Degradation Mapping at 1:50,000 scale (2nd Cycle)

Project Status : Completed (2014)

The objective is to prepare land degradation map for the year 2015-16 of three seasons (kharif, rabi, zaid) using Resourcesat-2, LISS- III satellite data, to prepare change map between the base year 2005-06 and 2015-16 and to prepare updated seamless Land degradation digital database for Assam. The theme Land Degradation is dynamic in nature and requires regular monitoring to understand areas of rapid change and to assess the reasons for the change. It was felt appropriate to monitor this theme every ten years. This project primarily focuses on change monitoring. The task has been completed and shared with NRSC, ISRO, Govt. of India for uploading the same in BHUVAN geo-portal for visualization and planning.

Project Title : Wasteland Change Analysis of Assam (2015-16) at 1:50,000 scale

Project Status : Completed

The objective is to map the changes occuring in the wasteland areas during 2008-09 and 2015-16 and also to map the new areas developed during this period using IRS LISS III satellite data.

The mapping efforts have generated valuable datasets on unutilized / vacant lands and their use in watershed and wastelands management. The creation of database in GIS is completed and shared with NRSC, ISRO for uploading the same in BHUVAN Geo-portal.

Project Title : Wasteland Mapping Project, Phase V, in 1:50,000

Project Status : Completed (2000)

Summary of the Project: Wasteland Mapping project ( Phase- V) has been initiated by Department of Wasteland Development (DWD) and entrusted the task to National Remote Sensing Agency (NRSA), Dept. of Space to formulate a project and complete the Wasteland mapping of 192 districts (having less than 5% of wasteland based on studies of 1985) on 1:50,000 scale. Accordingly the proposal was submitted to DWD by NRSA to map the remaining 192 districts using IRS-1C LISS-II satellite data and DWD accorded the approval in March, 1997. Under this project for Assam 20 districts had been selected. The work was accordingly assigned to Assam Remote Sensing Application Centre (Now Assam State Space Application Centre i.e. ASSAC) by NRSA for digital database Creation using hybrid methodology as per the "Manual of procedure of Wastelands digital database using Remote Sensing and GIS technique" prepared by NRSA, Dept. of Space . At National level as per Agro climatic Zone, Assam falls in Zone No.2 and on the basis of rainfall, terrain and soil characteristics, Assam has been broadly delineated in six agro-climatic zones at local level. The description of this report pertains to Zone-A

The Main objectives are:

To map the wasteland using visual interpretation technique on 1:50,000 scale and generate digital database in vector form.
To generate digital database of village, Wasteland and base layers
To integrate these four layers in GIS environment.
To Generate statistics of wasteland and output of map in 1:50,000 scale, toposheetwise using AML (a programme developed by NRSA).

The Mapping was carried out using IRS-1B, LISS II and IRS-1C LISS III False colour composite (FCC) with band combination of 2,3&4 on 1:50.000 scale SOI Toposheets, Collateral data and Field Verification.

RESOURCE INFORMATION

Project Title : Popularization of concept of Resource Database generated at Block level using remote sensing and GIS through public participation- Dimoria Block of Kamrup (M) District and Moirabari Block of Morigaon District.

Project Status : Completed

Most of the developmental plans are focused at Block level. Resource map in proper scale for decision making is a vital input for developmental planning. Development of indigenous sensor capability to produce high resolution satellite image has broaden the scope for detailed mapping for grass root level planning. Moreover development of GIS and GPS technology has further given an added advantage for management of Natural Resources Database in digital form. Integrating Remote Sensing, GIS and GPS leads to a proper Geospatial solution for accurate decision making. Through this scheme it is also proposed to make a geospatial awareness amongst the community and making a supporting tool for the line depts. for planning process through generation final output in form of resource map on various themes viz. land use/land cover, geology, soil, drainage, water quality, watershed, infrastructure etc. along with administrative boundary such as block, village in digital as well as in hard copy.

The Main objectives are:

To generate resource database at Block level in GIS environment taking inputs from high resolution remote sensing data. Final output will be the resource map on various themes. viz. land use/land cover, geology, soil, drainage, water quality, watershed, infrastructure etc. along with administrative boundary such as block, village in digital as well as in hard copy.
Integration of resource themes in GIS.
To deliver the hard copy of resource maps to Aryabhatta Science Centre so that general people can participate in deriving thematic resource of the area as well as to enhance the map learning capability and build scientific awareness of land resources.
To engage the Aryabhatta Science Centre during ground truthing and to update the maps periodically due to change on land cover through peoples participation based on local knowledge.
To demonstrate the utility of GIS in land resource data management

Project Title : Land Resource Mapping of Kokrajhar District (Using Remote Sensing Technique)

Project Status : Completed (1999)

The project was initiated for generating resource mapping of Kokrajhar district in 1:50,000 scale with the specific objectives of :

Prepare a land use land cover map of Kokrajhar district in 1:50,000 Scale
Create Soil resource mapping of Kokrajhar district.

The study was conducted using FCC paper print of IRS-1B & Landsat TM-5, Aerial photographs and survey of India toposheets were used to achieve the objectives. The following conclusion were made from the study.

Out of total geographic area of the district 41% was under agricultural land of which Tea garden, Agricultural Plantation, Fallow land and cropped land occupied 1%, 18%, 8% and 73% respectively.
In the district forest occupies 41% of the total geographical area which was classified into dense evergreen (7%), Open evergreen (3%), dense deciduous forest (64%), open deciduous forest (6%), scrub forest (1%) and forest blanks (19%)
Wasteland occupies 2% of the total geographical area of the district which is further classified into water logged, marshy/swampy land and scrub land.

Project Title : Creation of GIS based Resource Information system at Gaon Panchayat level (Phase-1), 4 Districts viz. Majuli, Nagaon, Darrang & Hailakandi

Project Status : Completed

GIS database generated under SOPD scheme Gaon Panchayat Resource Information System (2018-19) under Science & Technology Department, Govt. of Assam. Under this scheme 343 nos. of Gaon Panchayat are taken up to cover 4 districts viz. Majuli, Nagaon, Darrang and Hailakandi. A Web GIS portal named Gaon Panchayat Resource Information System has been developed for visualisation and query.

Project Title : Space Based Information Support for decentralized planning (SIS-DP)

Project Status : Completed

The programme is initiated by Dept. of Space, Govt. of India. In the first phase 5 states of India are chosen under this project, viz. Assam, West Bengal, Andhra Pradesh, Kerala and Haryana. ASSAC has been identified as nodal agency to execute the programme.

Objective
SIS -DP aims at generating GIS layers on large scale on natural resources (land cover, settlement, soil, water prospect etc.), creating inventory of resources (water sources, road network, public utilities, communication network, health care etc.) and disseminating them to the people at grassroots level using web enabled information system etc.

Developing site specific interactive Decision Support System (DSS) and analytical tools for local level planning. This spatial depiction of information and making them available freely to the end user is expected to stimulate the rural development and which will guide the planning process.

The final objectives to be achieved are: Spatial Geodatabase creation, and Capacity building at grass root level.

USER DEFINED PROJECTS

Project Title : Open Space Mapping of 26 towns of Assam

Project Status : Completed

The current study on inventory of Open Spaces in all District Head Quarters of Assam (except Guwahati & considering 27 districts of Assam) is entrusted by Assam State Disaster Management Authority (ASDMA), using satellite data basically to assess the capacity within the urban area to facilitate recovery during a disaster since open space plays a vital role in planning any rescue or recovery operations. Open Spaces refers to area of land without human built structures. The entire exercise was carried out using high resolution satellite data available in Google Earth.

Objective

To map available open spaces of 26 district headquarters. using Google earth image
Ground verification and Geotagging of open spaces on GIS layers.

The project is completed. An Atlas on Open Spaces of 26 towns is prepared and submitted to ASDMA.

Project Title : Satellite Based Inventory of Sandbars (Char Areas) of Brahmaputra River, Assam

Project Status : Completed

The study on inventory of Sandbars (Char Areas) within the Brahmaputra River of Assam is entrusted by Assam Power Generation Corporation Limited(APGCL), Govt. of Assam for identification of Sandbars (Char Areas) using satellite data for installation of Mega Solar Power Projects alongside the River Brahmaputra.

Objective

To identify the Sandbars above High Flood Level(HFL) by correlating HFL and limited cross sectional elevation data provided by Central water Commission (CWC)
To map the Sandbars interpreted using satellite data above HFL and creation of database in GIS for proper inventory
To monitor the Dynamics of Sandbars using multi temporal satellite data using Google Earth

The project is completed. An Atlas on Open Spaces of 26 towns is prepared and submitted to ASDMA.

WATER RESOURCE

Project Title : Drainage congested/Flood Prone Areas Barak River Basin, Assam

Project Status : Completed

The project was undertaken for preparation of drainage congested and flood proone area map of in 1:50,000 scale for three sub-division viz. Barak sub-basin, Subansiri sub-basin and Pagaldiya sub-basin. The primary objectives of the project were:

To identify drainage congested area of different sub-basin of Brahmaputra and Barak valley.
To identify the low lying /flood prone areas of different sub-basin of the Brahmaputra and Barak valley.
To identify the breaches in embankment during the flood season of 1986, 1987, 1988 and 1989
To identify the erosion prone areas of Barak and the Brahmaputra valley

The study was conducted using available Satellite data of IRS-1A & Landsat TM-5 within the four years of 1886 to 1989 and survey of India topo sheets were used to achieve the objectives. The following conclusion were made from the study.

Flood prone and low laying areas were made in a broad scale which narrowed down the area of interest.
Absence of real time cloud free satellite data during the peak of flood creates a problem in demarcation of flood.
There was sharp contrast between chronically drainage congested and occasionally drainage congested areas.
The changes of land use pattern in the river basin indicate the erosion in the particular area.

Project Title : Groundwater potential survey (Phase-1) for the tea growing areas of Terai Region of West Bengal (part of Darjeeling, Jalpaiguri and West Dinajpur district)

Project Status : Completed (1992)

Summary of the Project: The principal objective of the investigation is to identify and delineate potential groundwater sources in the tea gardens affiliated to the Tea Research Association, Kolkata in parts of West Bengal ( viz., Darjeeling, Jalpaiguri , parts of West Dinajpur and Jalpaiguri districts) . In addition, emphasis is given on mapping the drainage congested zones having chronic water logging problems in those areas.

For the purpose of the study, geocoded standard FCC (2,3,4 band combination) paper print Imagery acquired from IRS-1A, LISS II, Landsat-TM imagery, geocoded SPOT-1, HRV-2, PLA imagery and Survey of India (SOI) toposheets on quarter-inch, inch-to-a-mile and 1:50.000 scale has been used wherever necessary. The deep tube well data have been collected from the tea gardens and Central Ground Water Board ( CGWB), 5years rainfall data were collected from the tea gardens, conventional data also were collected along with Field verification.

The following maps were prepared:

Groundwater potential maps (1:50,000)
Landuse/Landcover maps (1:50,000)
Depth to water table maps (post monsoon period-1991 and pre-monsoon period, 1992)
Vertical Lithological disposition map ( 1:200,000)
Water table contour map for SOI sheet no. 78B/2 & 78B/6 (1:50,000)

The work has been completed in the month of November 1992.

Project Title : Groundwater potential survey (Phase-II) for the tea growing areas of parts of Darrang and Sonitpur districts, Assam

Project Status : Completed (1993)

Summary of the Project: The principal objective of the investigation is to identify and delineate potential groundwater sources in the tea gardens affiliated to the Tea Research Association, Kolkata in parts of Darrang, Sonitpur, Cachar and Karimganj districts of Assam. In addition, emphasis is given on mapping the drainage congested zones having chronic water-logging problems and to estimate the subsurface hydraulic gradient in those areas.

For the purpose of the study, geocoded standard FCC (2,3,4 band combination) paper print Imagery acquired from IRS-1A, LISS II, Landsat-TM imagery, geocoded SPOT-1, HRV-2, PLA imagery and Survey of India (SOI) toposheets on quarter-inch, inch-to-a-mile and 1:50.000 scale has been used wherever necessary. Conventional data like deep tube well data collected from the tea gardens and Central Ground Water Board ( CGWB) , 5years rainfall data collected from the tea gardens were used with field verification.

The following maps were prepared:

Groundwater potential maps (1:50,000)
Depth-to-water table maps (1:200,000)
Vertical Lithological disposition map ( 1:100,000)
Water table contour map for SOI sheet no. 83B/5,6,9,10,13,14 and 83F/1,2 (1:50,000) at 1m interval.
Water table contour map (1:50,000)

The work has been completed in the month of April 1993

Project Title : Groundwater potential survey (Phase-III) for the tea growing areas of Cachar, Hailakandi and Karimganj districts, Assam

Project Status : Completed (1995)

Summary of the Project: The project on "Groundwater potential survey for the tea growing areas" is the third phase of the Tea Research Association (TRA) sponsored project which involves groundwater and landuse survey of three districts in Assam viz., Cachar, Hailakandi and Karimganj of Barak Valley.

The objectives of the study is to identify and delineate potential groundwater sources in the said tea growing areas. In addition, emphasis is given on mapping the drainage congested zones having chronic water-logging problems. Broad landuse categories are delineated within the tea gardens and also in the rest of the study area.

The database used for the study comprises , geocoded standard FCC (2,3,4 band combination) paper print Imagery acquired from IRS-1A (LISS-II) ,IRS-1B (LISS-II) and Landsat-5 TM imagery on1:50.000 as well as 1:250,000 scale wherever necessary. The Survey of India (SOI) toposheets were used on 1:50,000 scale for both landuse and groundwater survey. Digital Image processing has been done at ARSAC computing centre on Rolta Workstation. The computer analysis was carried out to get a comprehensive idea about the possible utilisation of computer based techniques in such studies. Conventional data like deep tube well data collected from the tea gardens and Central Ground Water Board ( CGWB) , 5years rainfall data collected from the tea gardens were used with field verification.

The following maps were prepared:

Groundwater potential maps
Depth-to-water table maps
Drainage maps
Landuse maps
A reduced composite Groundwater potential map of the study area

The work has been completed in the month of October, 1995

Project Title : Studies on Groundwater Fluctuation, Water and Soil Quality in Amlaki, Joonktali and Sakomato Tea Estates of Assam

Project Status : Completed (2005)

Summary of the Project: The project on groundwater potential survey is a National Tea Research Foundation (NTRF) sponsored project entrusted to Assam Remote Sensing Application Centre through Assam Agricultural University, Jorhat during the period of 2003. The project included groundwater survey and mapping in four different seasons (March, July, October and December), soil and water quality analysis in two seasons in three tea gardens viz., Sakomoto Tea Estate (near Biswanath Chariali in Sonitpur district), Joonktoli Tea Estate (Dibrugarh district) and Amlaki Tea Estate ( Nagaon district) of Assam.

The database used for the study comprises IRS-1D digital data of February, 2003, the Survey of India (SOI) toposheet no. 83 M/4, 83 F/1 and 83 B/15, Ground water table data through Earth Resistivity Meter, Laboratory analysis data of soil and water samples, Garden maps and other ancillary data collected from respective gardens

The following maps were prepared:

Groundwater potential maps
Depth-to-water table maps
Landuse maps of the study areas
Soil sample analysis data (pre and post application of fertiliser)

The work has been completed in the month of September, 2005

Project Title : Drainage congested, Flood inundated and Erosion prone area mapping of 3 selected river basins (Barak, Subansiri and Pagladiya) of Assam in 1:50,000 scale.

Project Status : Completed (1996)

Summary of the Project: The Brahmaputra Board, Govt. of India, felt the need for having an up to date information base on the drainage congested and flood prone areas of different sub-basins of the Brahmaputra and Barak Valleys. The work undertaken in this regard by the Assam Remote Sensing Application Centre involves preparation of drainage congested and flood prone area maps on 1:50.000 scale for the three sub basins viz. Barak sub-basin, Subansiri sub basin and the Pagladiya sub basin.

The objective of this project is to identify the drainage congested areas of different sub-basins of the Brahmaputra and Barak Valleys.

WATERSHED MANAGEMENT

Project Title : Integrated Mission for Sustainable Development for Kamrup and Karbi-Anglong districts of Assam (IMSD) in 1:50,000 scale

Project Status : Completed (1997)

Integrated Mission for Sustainable Development (IMSD) was initiated with specific objective

To find scientific and lasting solution to mitigate drought following the unprecedented drought in many part of the country during 1985-87.
Evolve action plan packages as permanent solution to problem areas in various resources and developmental sectors

The study was formally started in 1992-93 and 174 districts in India were identified as priority basis. For Assam, Puthimari watershed of Kamrup district and Hamren Sub-division of Karbi-Anglong district have been identified for the study. Aerial photography, Landsat 5 TM and IRS-1A LISS-II satellite data, slope, rainfall, hydrogeomorphology and ground water prospect map, soil drainage, watershed map, transport network, settlement, drainage congestion and socio-economic profile were considered. To meet the objective of evolving action plan packages as permanent solution to problem areas in various resources and developmental sectors.

From the project the following points were suggested to the Govt. of India to mitigate drought like situation:

Primary forest are to be conserved at any cost.
Swamps/marshes need to be conserved
Cropping intensity should be increased wherever possible.
Transport and Communication, marketing facilities and other infrastructure should be improved.
Action plan to abate the problem of flood should be taken

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