Date of Image:

2019

Summary:

The maximum observed flood layer contains the maximum extent of flooding observed in 2019. The mean annual flood layer contains the mean amount of observed flooding that occurred during flood events in 2019.

Additional DFO generated map products for this event are located at the Flood Observatory's event page:

http://floodobservatory.colorado.edu/Events/4921/2020IndiaandBangladesh4921.html

Explanation is provided at this location concerning product creation. GIS files and WMS links can be downloaded.

Suggested Use:

Repeat mapping of this event as it occurs, producing a "maximum flood extent" for the complete event. This can be compared to a maximum previously flooded map extent (1999-present) and a map of the local mean annual flood extent.

Satellite/Sensor:

Combination of optical and microwave satellite data including Landsat-8, Copernicus Sentinel, and MODIS.

Resolution:

10 to 250m

Credits:

When used, NASA Landsat 8 and Copernicus/ESA Sentinel SAR data were obtained from the the U.S. Geological Survey Hazards Data Distribution System. and the Sentinels Science Data hub, respectively. Landsat 8 is jointly managed by NASA and the United States Geological Survey. Copernicus is supported by the European Commission. MODIS data are obtained from the NASA NRT Global Flood Mapping facility (surface water extents) and from NASA Worldview (image files); SUOMI/VIIRS image data are also retrieved from NASA Worldview. Supported by the NASA Applied Sciences GEO Flood Risk Monitoring project at the University of Colorado.

Esri REST Endpoint:

See URL section on right side of page.

WMS Endpoint: