The geographic extent of hypoxia in 2006 and 2007. Light blue shows the extent of hypoxia (<1.4 ml/l) and purple shows the region of severe hypoxia (<0.5 ml/l). Waters closest to the shore remain high in oxygen due to breaking waves. Dots represent sampling sites. Data made available by PISCO and NOAA-Fisheries, NWFSC.
The Partnership for Interdisciplinary Studies
of Coastal Oceans