Start Date: End Date: Published Date Data Date
Data acquired July 18, 2016 720 x 480 JPEG
Data acquired July 18, 2016 2000 x 2000 3 MB - JPEG
Data acquired July 18, 2016 2000 x 2000 9 MB - GeoTIFF
Data acquired 1984 - 2010 720 x 545 PNG
Data acquired 1984 - 2010 1786 x 1190 3 MB - PNG
Data acquired August 27, 2015 720 x 480 JPEG
Data acquired September 26, 2012 720 x 480 JPEG
Data acquired September 26, 2012 4248 x 2584 1 MB - JPEG
Data acquired 1984 - 2016 PNG
While the amount of pollution that wastewater treatment plants contribute to the Bay is declining, the spread of asphalt, pavement, and other impervious surfaces in suburbs and cities is increasing stormwater pollution.
NASA Earth Observatory images by Joshua Stevens and Jesse Allen, based on Landsat data from the U.S. Geological Survey and a paper by Song et al. (2015). Sparrows Point photograph courtesy of The Center for Land Use Interpretation. Bioretention photograph courtesy of Community & Environmental Defense Services. Caption by Adam Voiland.
Published September 20, 2016 Data acquired 1984 - 2016