Start Date: End Date: Published Date Data Date
Data acquired January 1, 2008 720 x 365 JPEG
Data acquired January 1, 2008 3577 x 2094 889 KB - JPEG
Data acquired January 1, 2008 18 MB - PDF
Data acquired January 1, 2008 JPEG
The number and size of ocean dead zones is closely connected to human population density.
Map by Robert Simmon & Jesse Allen; based on data from Robert Diaz, Virginia Institute of Marine Science (dead zones); the GSFC Ocean Color team (particulate organic carbon); and the Socioeconomic Data and Applications Center (SEDAC) (population density).
Published July 17, 2010 Data acquired January 1, 2008