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ISRO's Web GIS Services for
Earth Observation Data-
MOSDAC & VEDA
Shashikant A Sharma Space Applications Centre (ISRO)
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Aircraft positions picked up by ESA’s Proba-V satellite
Using an experimental Automatic Dependent Surveillance – Broadcast
(ADS-B) receiver. These signals are regularly broadcast from aircraft,
giving flight information such as speed, position and altitude
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Defense Conversion spin-offs
• Location via GPS – millimeter accuracy – available in cellphone – super high capacity mass storage – pettabyte and more systems
• High spatial (<1m) & temporal (every hour) resolution satellite remote sensing – High resolution: 30 cms now, 10cms soon? – Near Real time imaging
• Communication revolution – super high capacity networks, even to the home – wireless (cellular) communication with anything that
moves anywhere on earth
Technological Trends Underlying the Transition
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Information Technology Evolution
• Interoperability: – Easier sharing of data between users, and among vendor
products
– Metadata ; OpenGIS, Spatial Data Transfer Standards
– Mash-ups
• Commercially enhanced data – public data made dramatically more usable/useful
• Spatial data tools in DBMS and Software Dev. Env. (e.g. OOPS )
– Oracle Spatial, PostGIS (spatial database engine)
– GRASS, GDAL .. Open source Libraries
• 3-tier computing : – user interface (client workstation)
– analysis (applications server)
– data (multiple distributed data servers)
Technological Trends Underlying the Transition
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Need of Web GIS
Increasing demand for availability of geographic information to the public. The fast GPS, Remote Sensing and Satellite images provide GIS with huge databases which causes serious data management problems for maintaining, updating and exchanging geographic information;
Establishing open and distributed information services will improve the efficiency of GIS databases management and reduce its maintenance cost.
Web GIS is a Geographic Information System distributed across networked computer environment to integrate, disseminate and communicate geographic information visually on the World Wide Web over the Internet.
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Google Earth – Geomatics Demystified
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NASA : MODIS Real Time data
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Bhuvan – Geo-visualisation of Indian RS data
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www.nnrms.gov.in
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Search based on various queries
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Search based on various queries
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Metadata of selected themes
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Meteorological & Oceanographic Satellite Data Archival Centre
MOSDAC
www.mosdac.gov.in
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Multi Mission Data Repository
KALPANA1, INSAT3A, OCEANSAT, MEGHA-TROPIQUES SARAL-ALTIKA, INSAT3D
CAL-VAL – In situ Data Disdrometer, MicroRain Radar, GPS Sonde, Sun Photometer, Automatic Weather Station, Agromet Station, Automatic Rain Gauge, Radio Sonde.
Forecasting Weather, Cyclogenesis, Cyclone track & Intensity, Sea State, Heavy Rain / Cloud burst over Uttarakhand and Himachal Pradesh
Tools & Utilities Visualisation and Analysis of multi-missions data
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Cyclone track prediction Heavy Rain Sea State Forecast
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Mean Surface Pressure Total Prec. Water Vapor
Total Ozone Temperature
Sea Surface Temp Sector Product Cloud Motion Wind ND Vegetation Index
Sea surface temperature Visible band Asian sector Cloud motion winds Full Disk Visible
Range of Products available from MOSDAC
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National
Users IMD
INDIAN NAVY
BARC MP
FOREST DEPT.
KSNDMC
INDIAN AIR FORCE
NCMRWF
INCOIS
EDU. INST.
CDAC
IITM
MNRE
Global Users
USA
ECMWF
FRANCE
GERMANY
SWEDEN
JAPAN
NETHER LANDS
NEPAL
National & International Users of data available from MOSDAC
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Weather Alerts & Forecast on ANDROID
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Half hourly satellite data from various satellites and their geophysical products. Overlay Map Boundaries : (World Coastline, State, District Boundaries, Gridlines) with configurable Color; Opacity; Thickness Probe Data (on the fly) Time Series; Vertical Profile; Transect
Animation RGB Composites Contouring Change Map background Contrast Stretch Lookup Table Application Base layers:
•OpenStreetMap •River Basins •Blue Marble
www.rapid.imd.gov.in
Visualisation of Satellite data from Kalpana-I, INSAT-3A CCD, INSAT-3D (Imager & Sounder)
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RAPID : Temporal and Spatial Profile
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Himalayan Cryosphere 1. Snow cover of Himalayas – Basin wise 2. Glacier inventory 3. Glacier change maps 4. Glacier-Mass Balance using AAR approach 5. Glacial lakes 6. Glacier velocity product (every year) 7. Snow depth and Snow & Glacier melt runoff Marine Ecosystem 1. Global monthly maps of Chl-a from OCM2 2. Global AOD maps from OCM2 3. PAR products from OCM 2 for Arabian Sea & Bay of Bengal. 4. Ocean primary production maps from OCM2 for Arabian Sea & Bay of Bengal. 5. Spatial distribution maps of zooplankton biomass 6. Fish habitat for ecosystem management Polar Science 1. Sea-ice advisory during expedition period 2. Sea-Ice extent, thickness & sea-ice concentration 3. Sea-ice drift & probability maps 4. Snow-depth 5. Melt onset, duration & intensity 6. Ice deformation 7. Ice velocity ; ice sheet height variation map
Existing and future science products for visualisation
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Agriculture & Forest 1. Crop map (Rice, wheat, mustard, sugarcane etc) 2. Vegetation vigour – vegetation indices like NDVI, fAPAR, LAI 3. Agrometeorological parameters :
I. Temperature (min/max) V. Rainfall II. Soil moisture VI. Insolation III. LST VII. ET / PET IV. NPP
4. Drought monitoring & warning 5. Crop phenology (Date of spectral emergence, crop age) 6. Forest phenology : Forest fire 7. Crop & Forest Biomass 8. Crop yield map (Rice, wheat, mustard, sugarcane etc) 9. Anomaly maps all above parameters 10. Atmospheric parameters and weather forecast services from MOSDAC Coastal Environment 1. Coastal LU/LC maps ; Shoreline change map ; CRZ maps 2. Mangrove community zonation maps : Coral reef maps 3. Suspended sediments map & sea surface current 4. Oilspill detection Renewable energy 1. Solar, wind & wave
Existing and future science products for visualisation
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Climate change studies 1. Air Quality Monitoring 2. AOD, Dust storm 3. Green house gases emission Hydrology 1. Surface runoff 2. Soil moisture 3. AET (E & T) 4. Inundation map 5. River water level (Saral-Altika) & River discharge 6. Reservoir water level & volume National Natural Resource Database (NRDB) database 13 primary and 11 derived layers at 1:50K scale (NRIS states) National GIS data (1:250K) Wetland data; Wasteland data, Desertification status, Snow & Glaciers In-situ CALVAL and Ground Truth Information Ground truth data with geotagged photographs; CAL-VAL data Digital Elevation Model (DEM) 30 m, 10m (Cartosat-I) Planetary Science data portal
Existing and future science products for visualisation
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Thematic Data Visualisation & Dissemination • Agriculture • Forestry • Desertification • Wetland • Snow & Glacier • Coastal zone studies • Marine Ecosystem • Polar Science • Hydrology • Climate change ....... .........
Administrative boundary -National boundary -State; Districts; Tehsil; Village; Cadastral -Thematic boundaries
Base layers -Road, Rail, River, Waterbody, Drainage, Settlements, Satellite mosaics, DEMs and more...
GIS Apps (Information Systems) GIS based information systems for Urban; land & water resource planning, snow & glaciers, coastal zone management, socio-economic planning, hydrology, disaster management ..........
Salient features :
• Satellite based geo-spatial data Archival and Dissemination
• Data visualisation and graphical analysis on web
• Spatial and Non-spatial search engine
• Publish Web map services of all data
• Metadata and catalogue services
• Geo-processing tools for analysis
• Use of Indigenous software / Open source software
• Integrate Web Map Service from various sources including
Bhuvan & NRDB
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VEDAS : Desertification maps 2003
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VEDAS : Desertification maps 2003
VEDAS : Desertification maps 2013
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VEDAS : Wetland Information System
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VEDAS : Metadata Information
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VEDAS : Coastal Zone Information System
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VEDAS : Coastal Zone Information System
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VEDAS : RISAT and IRS data in the background
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VEDAS : Snow & Glacier Information System
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VEDAS : - Solar Energy Data (May)
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VEDAS : - Wind Energy Data (November)
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VEDAS : - Sea-Ice probability (as on 1st March) Antartica
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Status • NDVI profiles from INSAT, OCM,SPOT, MODIS and
PROBA-V. Profiles of multiple years can be selected for comparison.
• NDVI profiles available at district, taluka and grid (5x5 km) level.
• Data available for total vegetation area or agriculture area.
• Daily/weekly/fortnightly/monthly CPC rainfall profiles available at grid level. SPI images available at 5 km
• AMSRE derived soil moisture data • Weather parameter maps (min/max temp, rainfall, SPI
and soil moisture ) are available in web-GIS. • Deviation maps of NDVI, temperature, rainfall and soil
moisture also available to know current status
Web GIS based vegetation monitoring
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01 Jan – 16 Jan : 2014
Web GIS based vegetation monitoring
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01 Jan – 16 Jan : 2003
Web GIS based vegetation monitoring
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Web GIS based vegetation monitoring
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25Jun-01Jul 02Jul-08Jul 09Jun-15Jul 16Jul-22Jul
23Jul-29Jul 30Jul-05Aug 06Aug-12Aug 13Aug-19Aug
20Aug-26Aug 27Aug-02Sep
03Sep-09Sep 10Sep-16Sep
Weekly SPI for Monsoon Season -2015( 25 June to 16 September )
SPI Index
No Data
<-3.0
-3.0- -2.0
-2.0 - -1.5
-1.5 - -1.0
-1.0 - 1.0
1.0 - 1.5
1.5 - 2.0
2.0 - 3.0
>3.0
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09Jul-15Jul 02Jul-08Jul 25Jun-01Jul
06Aug-12Aug 30Jul-05Aug 23Jul-29Jul
16Jul-22Jul
03Sep-09Sep 27Aug-02Sep
20Aug-26Aug
13Aug-19Aug
10Sep-16Sep
Weekly Soil Moisture Content from (21 May to 16 Sep -2015)
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Cumulative NDVI Deviation From Last Year
NDVI Deviation for Kharif – 2015 and Rabi-2016
vegetation monitoring
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Thank You