USGS EROS Archive - Landsat - Landsat Level-3 Dynamic Surface Water Extent (DSWE) Science Product
Science Center Objects
Landsat Level-3 Dynamic Surface Water Extent (DSWE) contains six acquisition-based raster data products pertaining to the existence and condition of surface water, as well as all intermediate bands used to produce DSWE.
Side-by-side images over Northeast of Yuma, AZ of Landsat Surface Reflectance (SR) Analysis Ready Data (ARD) tile
(Left Image) and Landsat Level-3 Dynamic Surface Water Extent (DSWE) tile-based image (Right Image) derived from
Landsat 7 ARD Tile Horizontal 005, Vertical 013, August 16, 2000.
(Public domain)
The U.S. Geological Survey (USGS) offers Landsat Level- 3 Dynamic Surface Water Extent (DSWE) data for Landsat 8 Operational Land Imager (OLI), Landsat 7 Enhanced Thematic Mapper Plus (ETM+), and Landsat 4-5 Thematic Mapper (TM). Landsat DSWE contains six acquisition-based raster data products pertaining to the existence and condition of surface water. All intermediate bands used to produce DSWE are also provided.
Landsat DSWE science products are generated from U.S. Landsat Analysis Ready Data (ARD) Surface Reflectance data, and use the cloud, cloud shadow, and snow information provided in the “PIXELQA” band, which is described in detail in the U.S. Landsat ARD Data Format Control Book. DSWE products are processed to 30-meter spatial resolution in Albers Equal Area (AEA) projection using the World Geodetic System 1984 (WGS84) datum, and gridded to a common tiling scheme. These data are processed to the highest scientific standards and can be used directly in monitoring and assessing landscape change.
The following date ranges apply to the availability of the Landsat DSWE science product:
- Landsat 8 OLI: April 2013 to Present
- Landsat 7 ETM+: July 1999 to present
- Landsat 5 TM: March 1984 to May 2012
- Landsat 4 TM: December 1982 to December 1993
Most Landsat Collection 1 Level-1 scenes can be processed to generate a DSWE product. Please refer to Surface Reflectance caveats and Surface Reflectance Quality Assessment (QA) bands for pixel-level condition and validity flags and when using the DSWE product.
Additional Information
- Landsat Missions Web site
- Landsat Dynamic Surface Water Extent Product Guide
- Landsat Dynamic Surface Water Extent Algorithm Description Document
- Landsat Level-3 Dynamic Surface Water Extent (DSWE) Science Product Digital Object Identification (DOI): /10.5066/F7445KQK
Access Data
Use EarthExplorer to search and download the Dynamic Surface Water Extent (DSWE) Product. The data are located under the Landsat category, Landsat Collection 1 Level-3 subcategory, and listed as Dynamic Surface Water Extent.
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Once scenes are added to a Bulk Order via Earth Explorer, the Bulk Download Application can be used to automatically retrieve them with little to no user interaction.
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Date published: May 9, 2018EarthExplorer
The EarthExplorer (EE) user interface is an online search, discovery, and ordering tool developed by the United States Geological Survey (USGS). EE supports the searching of satellite, aircraft, and other remote sensing inventories through interactive and textual-based query capabilities.