The Heinz Center's State of the Nation's Ecosystems
ecosystem: Coasts and Oceans
indicator Name: Chlorophyll Concentrations: ocean waters
page # in printed report: 80
location on page: upper
data source: National Ocean Service, National Oceanic and Atmospheric Administration; National Aeronautics and Space Administration. Coverage: all U.S. waters, including Alaska and Hawaii, within 25 miles of the coast.
notes: please see technical notes for further details on accessing these data from their original source; this data table comes from a specific graphic in The State of the Nation's Ecosystems report (www.heinzctr.org/ecosystems)

units: parts per billion
  Gulf of Mexico North-Atlantic Pacific NW Mid-Atlantic Southern Calif. South-Atlantic Hawaii Alaska Bering Sea
1980 #N/A                
1990                  
1995                  
1997                  
1998 6.51 2.64 2.87 4.07 1.14 3.56 0.1 3.53 4.48
1999 6.08 3.41 3.13 3.79 1.12 2.66 0.1 3.7 4.53
2000 4.69 3.59 3.67 3.65 1.43 2.12 0.11 3.7 4.55