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publications > posters > freshwater flows from estuarine creeks into florida bay


Freshwater Flows from Estuarine Creeks into Florida Bay

Objectives and Scope:

The U.S. Army Corps of Engineers (USACE) and the South Florida Water Management District (SFWMD) have led in the development of the Comprehensive Everglades Restoration Plan (CERP). The CERP's principal restoration goal is "to deliver the right amount of water, of the right quality, to the right places, and at the right time" (USACE, 2001). In order to achieve this goal, information that specifically measures the quantity, quality, timing and distribution of water within the Everglades ecosystem must be obtained. In 1995, the U.S. Geological Survey (USGS) began a project to measure freshwater discharge from the Everglades wetlands into northeastern Florida Bay. The project objectives are to determine the quantity, timing and distribution of flow into northeastern Florida Bay. Flow, water level, salinity and water-quality data are collected at monitoring sites in estuarine creeks that connect northeastern Florida Bay with the Everglades (Hittle, 2000). Information from this project will help determine how freshwater flow affects the health of Florida Bay, a critical component of the CERP, and how changes in water-management practices upstream (Taylor Slough and C-111 basins) directly influence flow conditions in the estuary. The USACE, SFWMD, USGS, Everglades National Park (ENP) and other agencies as well as universities are currently using the data from this study in research projects that will benefit the restoration effort.


Hittle, C. D., and E. Patino. 2000. Magnitude and Distribution of Flows into Northeastern Florida Bay. U.S. Geological Survey Fact Sheet 030-00.

U.S. Army Corps of Engineers. October 2001. Central and Southern Florida Project Comprehensive Everglades Restoration Plan. Project Management Plan Florida Bay & Florida Keys Feasibility Study.


southern Florida and Florida Bay location map
[larger image]


Percent of total discharge measured and estimated at monitoring stations from 1996 to 2000
pie graph showing percent of total discharge measured and estimated at monitoring stations in 1996 pie graph showing percent of total discharge measured and estimated at monitoring stations in 1997 pie graph showing percent of total discharge measured and estimated at monitoring stations in 1998
pie graph showing percent of total discharge measured and estimated at monitoring stations in 1999 pie graph showing percent of total discharge measured and estimated at monitoring stations in 2000 legend for pie graphs
[click on each of the pie graphs above to view a larger version]


graph of mean monthly flows at gaged sites from 1995 to 2000
[larger image]


photo of scientist at upstream Taylor River monitoring station photo of water surrounded by mangroves photo of scientists in boat equipped with Acoustic Doppler Flow Measurement instrument, includes inset image of instrument
Upstream Taylor River Monitoring Station [larger image] Joe Bay 5 Central
Freshwater Flow [larger image]
Acoustic Doppler
Flow Measurement [larger image]

photo of the mouth of Taylor River photo of Buttonwood Embankment at Taylor River
Taylor River at the mouth [larger image] Buttonwood Embankment at Taylor River [larger image]


Synoptic studies in Joe Bay

Results

graph of daily salinity at Joe Bay Creeks and Trout Creek from 1999 to 2001

[larger image]


graph of daily mean discharge and salinity at Joe Bay 8W, 1999-2000
[larger image]


graph of daily mean discharge and salinity at Joe Bay 2E, 1999-2000
[larger image]


Measurement of discharge using an ADCP in Joe Bay during the summer of 1999
map showing discharge amounts (in cubic feet per second) at the start of the wet season
[larger image]
map showing Tropical Storm Harvey discharge amounts in cubic feet per second
[larger image]
map showing Hurricane Irene discharge amounts in cubic feet per second
[larger image]


For more information:
Clinton Hittle cdhittle@usgs.gov

Mark Zucker mzucker@usgs.gov

U.S. Geological Survey
9100 NW 36th St. Suite 107
Miami, FL 33178
305-717-5815

http://www.sofia.er.usgs.gov

Related information:

Freshwater Flows into Northeastern Florida Bay

Hydrologic Monitoring in Joe Bay



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Last updated: 25 October, 2005 @ 01:21 PM(TJE)