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- GDO
- Global Drought
- WMS Service
WMS Service
A WMS (Web Map Service) is available to get maps of the following GDO main indicators:
- Risk of Drough Impact for Agriculture (RDrI-Agri)
- Standardized Precipitation Index (SPI)
- fAPAR Anomaly
WARNING ! - Due to an issue in the provision of MODIS source data, since October 2022 fAPAR and fAPAR Anomaly are computed with VIIRS source data only. For the same reason, since the second monthly window of November 2022, the Ensemble Soil Moisture Anomaly (SMA) misses the MODIS Land Surface Temperature component and is computed with two components only (2M-ensemble). By consequence, the RDrI-Agri is computed with VIIRS fAPAR Anomaly since October 2022 and with 2M-ensemble SMA since the third 10-day period of November 2022. We apologize for the inconvenience.
Examples of calls of GDO WMS service
GetCapabilities
GetMap
- RDrI-Agri:
wms.php?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&LAYERS=RDrI-Agri&SRS=EPSG:4326&BBOX=-10,-35,90,65&WIDTH=256&HEIGHT=256 &STYLE=&FORMAT=image/png&TIME=2018-06-01 - SPI:
wms.php?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&LAYERS=spi&SRS=EPSG:4326&BBOX=10,-45,110,55&WIDTH=256&HEIGHT=256 &STYLE=&FORMAT=image/png&TIME=2018-05&TIMESCALE=12 - fAPAR Anomaly:
wms.php?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&LAYERS=fapar_anom&SRS=EPSG:4326&BBOX=-93,-15,-68,10&WIDTH=256&HEIGHT=256 &STYLE=&FORMAT=image/png&TIME=2018-06-01 - Soil Moisture Anomaly:
wms.php?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&LAYERS=sm_anom&SRS=EPSG:4326&BBOX=-93,-15,-68,10&WIDTH=256&HEIGHT=256 &STYLE=&FORMAT=image/png&TIME=2019-01-21
GetLegendGraphic
- RDrI-Agri:
wms.php?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetLegendGraphic&LAYER=RDrI-Agri&FORMAT=image/png - SPI:
wms.php?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetLegendGraphic&LAYER=spi&FORMAT=image/png - fAPAR Anomaly:
wms.php?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetLegendGraphic&LAYER=fapar_anom&&FORMAT=image/png&TIME=2018-06-01 - Soil Moisture Anomaly:
wms.php?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetLegendGraphic&LAYER=sm_anom&&FORMAT=image/png&TIME=2019-01-21
Notes for GetMap requests
- If TIME is not set, the last availalbe date is considered
- For SPI, if TIMESCALE is not set, TIMESCALE=03 is taken by default
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