Mathematics – Logic
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3212604b&link_type=abstract
Geophysical Research Letters, Volume 32, Issue 12, CiteID L12604
Mathematics
Logic
7
Oceanography: Physical: Eddies And Mesoscale Processes, Oceanography: General: Continental Shelf And Slope Processes (3002), Oceanography: Physical: Eastern Boundary Currents, Oceanography: Biological And Chemical: Nutrients And Nutrient Cycling (0470, 1050)
Scientific paper
Sub-mesoscale eddies are described along the mainland coast of the Santa Barbara Channel based on observations from a network of high frequency (HF), current-measuring radars and near-shore moorings. The eddies are 4-15 km in diameter and typically last about 2 days, although some last up to 6 days. Most eddies within the radar coverage area are anti-cyclonic with relative vorticities of -0.4 f to -0.8 f where f is the Coriolis parameter, but cyclonic eddies are also observed. Moored observations over the inner shelf (12 m water depth) of a sequence of two eddies in December 2001 show an increase in nitrate plus nitrite from the background levels of 1-2 μM to a maximum of 10-12 μM when the eddies are present. We speculate that these eddies are an important transport mechanism for nutrients and biogenic particles to inner shelf ecosystems of the Southern California Bight.
Bassin Corinne J.
Brzezinski Mark
McPhee-Shaw Erika
Washburn Libe
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