TY - JOUR
T1 - Linkages between Coastal Runoff and the Florida Keys Ecosystem: a Study of a Dark Plume Event
AU - Hu, C.
AU - Muller-Karger, Frank E
AU - Vargo, G. A
AU - Neely, M. B
AU - Johns, E.
PY - 2004/1/1
Y1 - 2004/1/1
N2 - Using data collected by satellite sensors, rain and river gauges, and ship surveys, we studied the development and wind-driven transport of a dark water plume from near Charlotte Harbor, Florida, to the Dry Tortugas in the Florida Keys in mid-October 2003. MODIS and SeaWiFS imagery showed that the patch contained an extensive (∼5,500 km 2) phytoplankton bloom that formed originally near the central coast of Florida. The data linked the bloom to high nutrient coastal runoff caused by heavy rainfall in June and August. Total N and P required for the bloom, which may contain some Karenia brevis cells, was estimated to be 2.3 × 107 and 1.5 × 10 6 moles, respectively. The dark color became increasingly dominated by colored dissolved organic matter, toward the Dry Tortugas, where CDOM absorption coefficients (0.08-0.12 m -1 at 400 nm) were 2-3 times higher than the surrounding shelf waters, while chlorophyll and inorganic nutrients decreased to negligible levels. Copyright 2004 by the American Geophysical Union.
AB - Using data collected by satellite sensors, rain and river gauges, and ship surveys, we studied the development and wind-driven transport of a dark water plume from near Charlotte Harbor, Florida, to the Dry Tortugas in the Florida Keys in mid-October 2003. MODIS and SeaWiFS imagery showed that the patch contained an extensive (∼5,500 km 2) phytoplankton bloom that formed originally near the central coast of Florida. The data linked the bloom to high nutrient coastal runoff caused by heavy rainfall in June and August. Total N and P required for the bloom, which may contain some Karenia brevis cells, was estimated to be 2.3 × 107 and 1.5 × 10 6 moles, respectively. The dark color became increasingly dominated by colored dissolved organic matter, toward the Dry Tortugas, where CDOM absorption coefficients (0.08-0.12 m -1 at 400 nm) were 2-3 times higher than the surrounding shelf waters, while chlorophyll and inorganic nutrients decreased to negligible levels. Copyright 2004 by the American Geophysical Union.
UR - https://digitalcommons.usf.edu/msc_facpub/1128
UR - http://10.1029/2004GL020382
U2 - 10.1029/2004GL020382
DO - 10.1029/2004GL020382
M3 - Article
VL - 31
JO - Geophysical Research Letters
JF - Geophysical Research Letters
ER -