Global Surface Water Mask

The 250m water mask product utilizes the SWBD (SRTM Water Body Data) and complement it with information from 250m MODIS data to create a complete representation of global surface water. The original intent of this product is not for hydrologic modeling, rather for masking water in products.

Data Resources (3)

Data Resource Preview - Global Surface Water Mask

Additional Info

Field Value
Dataset topic category Water resources
  • English
Use limitations There are no restrictions on the use of this data use is free to all if acknowledgement is made to the University of Maryland, Department of Geography and NASA. UMD holds ultimate copyright.
Dataset reference date September 1, 2009
Temporal extent's start date September 26, 2016
Temporal extent's end date September 26, 2016
  • Cambodia
  • Viet Nam
  • Lao People's Democratic Republic
  • Thailand
  • Myanmar
  • China
Positional Accuracy There are no known issues with accuracy.
Logical Consistency There are no known issues with the logical consistency.
Completeness The data is complete for the Lower Mekong Region only. To obtain the full global dataset please visit: Global Land Cover Facility,
Process Step The dataset was downloaded in tiles covering the Lower Mekong Region only.
Lineage Carroll, M., Townshend, J., DiMiceli, C., Noojipady, P., Sohlberg, R. 2009. MOD44W MODIS Water Mask. Global Raster Water Mask at 250 meter Spatial Resolution, Collection 5. University of Maryland, College Park, Maryland. Source for this data set is the Global Land Cover Facility,
Responsible party Global Land Cover Facility 4321 Hartwick Building Suite 400 College Park, Maryland 20740
License unspecified
Copyright Yes
Version 1.0
Date uploaded September 26, 2016, 19:54 (UTC)
Date modified December 17, 2020, 18:48 (UTC)