Earth  ID: 11646

Phytoplankton Levels Dropping

New research led by NASA researchers has found populations of the microscopic marine plants, phytoplankton, have decreased in the Northern Hemisphere. An analysis using a NASA model in combination with ocean satellite data between 1998 and 2012, showed a 1% decrease of phytoplankton per year.

Research: Decadal Trends in Global Pelagic Ocean Chlorophyll: A New Assessment Combining Multiple Satellites, In Situ Data and Models
Journal of Geophysical Research: Oceans
Link to paper:

Here is the YouTube video.



Lead Scientists:
Cecile S. Rousseaux (USRA)
Watson Gregg (NASA/GSFC)

Lead Producer:
Joy Ng (USRA)

Kayvon Sharghi (USRA)

Joy Ng (USRA)

Project Support:
Aaron E. Lepsch (ADNET)
Swarupa Nune (Vantage)

Please give credit for this item to:
NASA's Goddard Space Flight Center

Short URL to share this page:

This item is part of this series:
Narrated Movies

Goddard TV Tape:
G2014-084 -- Decline in phytoplankton in the Northern Hemisphere

SVS >> Phytoplankton
GCMD >> Earth Science
GCMD >> Earth Science >> Oceans
DLESE >> Narrated
NASA Science >> Earth

GCMD keywords can be found on the Internet with the following citation: Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version