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Satellite image showing high levels of chlorophyll (bottom center).

Satellite image showing high levels of chlorophyll (bottom center).
Satellite image showing high levels of chlorophyll (bottom center).
Satellite image showing high levels of chlorophyll (bottom center).
Satellite image showing high levels of chlorophyll (bottom center).
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510712
Schmaltz, Jeff
Satellite image showing high levels of chlorophyll (bottom center).
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01/01/2008
Chlor_SeaWiFS_lrg.jpg
Date is approximate.
Caption from Oceanus magazine, Vol. 46, No. 1, Pg. 7:
IRON ADDITIONS, NATURAL AND EXPERIMENTAL—Top, a plume of dust from glacial sediments in Alaska blows far into the North Pacific Ocean. Storms like this, or from vast deserts such as the Sahara, are the natural way that iron gets into oceans to fertilize phytoplankton blooms. Bottom (shown here), a bloom resulting from an intentional addition of iron in roughly the same region (during the experimental Subarctic Ecosystem Response to Iron Enrichment Study in 2002) shows up in the bottom center of the satellite image below as a red patch (indicating high levels of chlorophyll from the microscopic marine plants).
Jeff Schmaltz, MODIS Rapid Response Team, NASA Goddard Space Flight Center
© National Aeronautic and Space Administration
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