Space Applications Centre


Earlier updates - Applications

	Analysis of QuikSCAT level 2A backscatter data with the new GMF available from JPL completed. A report on assessment of ISRO's wind vector retrieval algorithms prepared based on analysis of QuikSCAT data and NWP model winds. Overall, the ISRO algorithm derived winds were found to be closer to Model winds compared to QuikSCAT finished products winds.

	A bloom specific chlorophyll algorithm developed using in-situ measurements collected in Arabian Sea.

	The agromet models for rice crop were updated for 12 major rice growing states (17 met subdivisions) using WWR data (Tx, Tn, RF & Tx - Tn). First forecast of rice yield was made be September 15, for 12 major rice growing states as part of National Rice Forecast. The forecasted yields were in the range 1004 kg/ha (MP) to 3915 kg/ha (Punjab).

	A glacier expedition was organized from September 02-16, 2008 in Samudra tapu glacier, Lahaul and Spiti valley. Different instruments like GPR, Spectroradiometer, GPS were used to collect data for glaciological studies.

	Simulation of climate change impact on the runoff over India was modelled using GCM (HadCM3) rainfall data. Initial results indicates less overall runoff in most of the river basins in comparison to current normal climatic runoff. Maximum loss of runoff was observed in the eastern regions like lower part of the Ganga, Brahmini-Baitrani, Subarnarekha, lower partof the Mahanadi basins.

	First forecast of Kharif rice, ragi, groundnut and jute crops in Orissa State made on August 5, 2008. Acreage of rice ragi, groundnut and jute are 4121, 66.9, 34.7 and 5.4 thousand hectare respectively, which is near normal.

	Potential yield of rice in Tamil Nadu, Andhra Pradesh, Orissa and MP state were simulated for past 10 years (1998-2006) using the calibrated crop coefficient. Regression model was developed for these states using reported yield, time trend and simulated potential yield.

	Climatological probability maps of cyclone hits for all the states on the east coast of India were generated, for a possible use during planning of satellite launches from SDSC, SHAR during cyclone seasion.

	First meeting of the GEO Agricultural Monitoring Task (AG-07-03) was held in SAC with Prof. Chris O. Justice, the Director of Research and Professor in Department of Geography at the University of Maryland, USA on August 5 - 6, 2008. A brainstorming was held with concerned scientists of AFEG on 10-Year-Vision of the Task Team, Observation requirements, Data Policy and Needs for Agricultural Monitoring.

	Version-II models for Ocean State Forecast (Ocean Circulation and Wave) have been installed at INCOIS.

	On-line submission of applications for the recuritment of Technical & Scientific Assistance at SAC has been implemented.

	Impact of climate change (temperature & precipitation) on wheat yield was carried out using Cropsyst simulation model under A2 scenario of HADCM3 GCM during 2070-2099.

	An expendition was organized in Panchi Nala glacier in Bhaga basin where GPS and Spectro-radiometer measurements of different glaciological features were collected.

	Simulation based retrieval scheme for geographysical parameters (surface winds, water vapour and cloud water) from M-T MADRAS has been developed and tested with SSM/I.

	Antenna installation & control room construction at NCAOR, Goa completed for the communication link between Antarctica and mainland India.

	The evolution of the convective system present in the west coast of Gujarat (Jun. 9-11, 2008) analyzed based on cloud top temperature derived from INSAT-VHRR data. Along with this, the NWP forecast (based on INSAT and ancillary data) has been given to Gujarat State Control room as part of the Gujarat Weather Watch.

	Testing of OCEANSAT-II OCM geophysical data product generation software with OCM-1 data successfully completed.

	The Optical buoy and Sun photometer data collected from CAL-VAL site at Kavaratti has been processed and analyzed. All the systems are working satisfactory.

	A database in GIS completed for wetland maps (1:250,000 scales) of entire Indian coast. The database includes coastal wetland, habitation polygons and line coverage (HWL, LWL, State Boundaries, Transport).

	An atlas on coastal habitat of selected marine protected areas of India was released.

	Test & Evaluation of IGIS Advanced Modules completed.

	The CAL-VAL activities at Kavaratti have been operationalised.

	First day data of IMS-1 HySI over the coastal regions of Kerala coast was analyzed to characterize the spectral and radiometric behaviour of the HySI sensor for various earth feature.

	Atlas of Coral Reef in the Central Indian Ocean has been completed.

	Geo-referencing of remaining multi-date AWiFS data over UP has been completed. Rabi crop classification was also carried out.

	Validation experiment for species-specific fishery forecast (tuna forage ground technique) off Mumbai and Chennai by FSI Tuna long liner has been completed.

	Cartosat-2, LISS-IV, ENVISAT ASAR and RADARSAT fine beam SAR data covering the Talakadu area in Karnataka were acquired and analysed for archaeological wxploration from NIAS, Banglore.

	Long range forecast for 2008 monsoon season (June-September) rainfall generated using gebetic algorithm. The algorithm predicted 919 mm seasonal rainfall over all India which is 103% of the long-term average.

	A data base in GIS completed for coastal wetland maps prepared on 1.50, 000 scale using satellite data for the period 1989-1992 for Gujarat, Maharashtra, Goa, Karnatka, Kerala, Tamilnadu, Andra Pradesh, Orissa and Andaman & Nichobar.

	The sea surface temperature (SST) based nirate algorithm developed around Indian water covering in situ data points from Bay of Arbian Sea. The nirate images have been generated during 1999-2004 period in southern peninsular Indian water.

	District level forecast of wheat in Punjab, Haryana, Bihar, Rajasthan and Madhya Pradesh made using LISS-III and meteorological yield models.

	Development of IDL based tool to compute Radar Vegetation Index (RVI) for a single as well as averaged resolution cell of quad-pol SAR data completed and implemented in RAT software.

	Development of two modules for LIDAR data analysis for Surface visualization and visualization of LIDAR cloud point successfully completed.

	The second forcast of national level wheat production for 2007-08 season released on March 24, 2008. The estimated acreage was 27.25 M ha and production forecast of 75.90 M tons. Overall increase of 5.1% in production with respect to the final RS based wheat forecast of 2006-07 observed at national level.

	Comparative evaluation of three Crop simulation models completed.

	Vulnerability line demarcation for Dahej area in Gujarat completed and results presented in technical meeting Chaired by Secretary, MoEF on March 18,2008.

	Development of Fluorescence Line Height(FLH) algorithm completed using hyper spectral under water radiometer in the coastal waters of off Veraval, Gujarat.

	Execution of NDSI algorithm using georegistered AWiFS scenes for 8 sub basins in Himalayan region completed and Statistics, Maps and Charts for 8 basins prepared.

	Run off and hydropower potential estimation for monsoon and autumn completed for 72 watersheds on Chenab River (H.P.).

	Meteosat and Kalpana VHRR data successfully used to determine tropical cyclone centre of four Indian Ocean cyclone using ellipse fitting method.

	Development of Software for calculation of Satellite co-ordinates from Ephemeris data completed under IRNSS project.

	Soil survey at Goa earth station completed under Communication link between Antarctica and Mainland India.

	The SATCOM Link successfully established between Maitri, Antarctica and MCF, Hassan. The link can be utilized for video conferencing, internet access and file transfer.

	The first forecast of national level wheat production for 2007-08 season released on 22nd February using IRS AWiFS data and agromet model. The estimated acreage was 26.61 M ha and production forecast of 75.13 M tons. Overall reduction of 2.5% in acreage and increase of 4.6% in production was observed with respect to final RS based forecasts 2006-07.

	"Desertification/Land Degradation Atlas of India" prepared by SAC in collaboration with 17 organizations.

	Snow cover Atlas of the Ganga basin for the year 2006-07 prepared.

	The construction of CAL-VAL laboratory on Kavaratti island in collaboration with DST, Kavaratti completed and declared ready for usage.

	Presentations and live demonstration on Edusat Gateway made to two groups of teaching end coordinators of NCERT at New Delhi.

	A detailed interface was organised on Investigations on Hyperspectral Applications for the scientist involved in the project with the experts from JPL and University of California.

	Distress Alert Transmitters were handed over to fishermen in a function organized at Coast Guard Office in Chennai, presided over by the Minister of Fisheries, Tamilnadu and Director, SAC.

	Agromet yield model developed for mustard crop in Rajasthan state using weekly weather data (1991-2006). First prediction model of mustard yield for the year 2007-08 using data up to mid December was 1.17 t/ha.

	F3 forecast of National Rice was released on 10th January, 2008.

	Ka Band Tracking Receiver FM & QM unit T& E is completed and units delivered to the project.

	Mesoscale predictions over SHAR region were initiated from 11th January (with assimilation of INSAT and nearby data) for the PSLV-C10 launch on 21st January.

	Generation of ten daily snow cover products and area-altitude distribution completed to observe the snow cover variability for 28 basins of the Western Himalayan region.

	3D perspective view of high-resolution gravity image generated over the western Indian offshore showing the present tectonic scenario.

	Development of Agromet yield model for winter potato crop using weekly weather data completed for five major potato growing state viz. Punjab, Haryana, UP, Bihar and West Bengal.

	Comparative evaluation of regional scale thermal based surface soil moisture with global soil moisture datasets from passive microwave sensor (AMSR-E) over Punjab state completed.

	A Radiometer unit is made operational at INSTA-CABIN work premises for Ka Band terminal under GSAT-4 application programme.

	Two communication experts from SAC have reached Antarctica and are busy in installation and integration of communication link between Antarctica and main land India.

	Estimated the Mass balance of Miyar basin for around 173 glaciers.

	Computation of Methane emission from livestock per hectare completed.

	Communication link between Antarctica and Mainland India to be setup by SAC. The system was tested at SAC in loop back mode though Satellit7. All systems are packed and transported to Goa.

	Prediction of seasonal monsoon rainfall by Genetic algorithm is validated for the year 2007. The accuracy of GA based prediction was 99.7%.

	Real time monitoring of SIDR Cyclone in Bay of Bengal successfully done using Genetic Algorithm and Choas Theory.

	An improved methodology on identification of potential fishing zones transferred to INCOIS, Hyderabad.

	Second forecast of all India kharif rice production released on October 16th. All India acreage and production is 35.81M Ha and 72.19 M t respectively. Production is 7.0 percent higher than 2006 estimate.

	Coral reef mapping for Islands of the British Indian Ocean Territory (Chagos Archipelago) and Indian region completed as part of Global coral reef mapping project.

	The data obtained from Disaster Management Synthetic Aperture Radar (DMSAR) flights during June 12, 2007 to August 3, 2007 were processed through ground processor and delivered to NRSA.

	DMSAR mission to carry out pre-flood and during flood scenario successfully completed.