projects > freshwater flows to northeastern florida bay > project summary
Project Summary Sheet
Fiscal Year 2007 Study Summary Report
Study Title: Freshwater Flows to Northeastern Florida Bay
Overview & Objective(s): The project objectives are to: (1) determine the quantity, timing and distribution of freshwater flow through estuarine creeks into northeastern Florida Bay (Fig. 1); (2) for Everglades modelers, scientists, and managers, provide up to 31 days of real-time hydrologic data, provide published unit value data on the South Florida Information Access website (SOFIA), and provide station manuscripts for the annual surface water data report; (3) advance acoustic methods and technology for gaging estuarine creeks; and (4) advance methods and technology for computing continuous water quality monitoring record (e.g. salinity). Flow, water-level, salinity, and temperature data are collected at the estuarine creeks that connect the Everglades wetland with Florida Bay. This project provides flow data critical for addressing nutrient loading and the impact of water quality on Florida Bay. The USACE, SFWMD, USGS, ENP and other agencies as well as universities currently are using the data from this study to answer specific research questions that will directly benefit the Everglades restoration effort.
Recent Products: (1) Published unit values of water level, discharge, salinity, specific conductance and temperature are available from 1996 to 2006 (Surface and ground). Data is available on SOFIA at http://sofia.usgs.gov/exchange/zucker_woods_patino/index.html; (2) Published fact sheet (FS2004-3129) Hydrologic Characteristics of Estuarine River Systems within Everglades National Park. (http://water.usgs.gov/pubs/fs/2004/3129/) (3) Clickable map of real-time data for scientists and resource managers available on SOFIA; (4) Abstract and poster titled Estimates of Nutrient Loads at West Highway Creek in Northeastern Florida Bay was presented at the 2005 Florida Bay Conference (Shoemaker and others, 2005); (5) Circular article for the special estuaries addition on the 2004 hurricane season (Woods and others, in press); (6) Abstract and poster titled Northeastern Florida Bay Estuarine and Joe Bay Estuarine Creek Data, 2001-2005 (Zucker and others, 2006) and Northeastern Florida Bay Estuarine Creek Response During the 2004-05 Hurricane Season (Woods and others, 2006) was presented at the 2006 GEER Conference in June 2006; (7) Contracted USGS National Mapping Division to verify and establish elevations at four surface water stations (B Glover, USGS, pers. commun., 2007) (8) Provisional nutrient loading data at West Highway Creek provided to SFWMD for the assessment of algal blooms in Florida Bay (SFWMD, 2006) (9) Abstract prepared in collaboration with Steve Davis at Texas A&M University for an LTER Scientists Conference (Davis and others, 2006) (10) Updated Florida Bay metadata on SOFIA; (11) Abstract and poster titled A comparison of rated discharge at Jewfish Creek using a 0.5 MHz and a 1.5 MHz Argonaut-SL using different sampling volumes presented at the 2007 National Surface Water Conference and Hydroacoustics Workshop, April 2007.
Planned Products: (1) Publish unit values of water level, discharge, salinity, and temperature for water year 2007 available on SOFIA no later than April 2008 (Surface and ground water); (2) Collaborative journal article using data from various PES projects titled Estimates of Nutrient Loads at West Highway Creek in Northeastern Florida Bay (in prep.); (3) Journal article titled Spatial and temporal salinity patterns in Joe Bay, Everglades National Park (in prep.); (4) Data Series Report or Open File Report documenting the 2001-2006 published data set; (4) Continue rating development at the recently installed East Creek and Alligator Creek to evaluate the utility of hydrologic correlation and implications of total flow to Florida Bay; (5) Install, maintain and provide real-time wind data at three wetlands sites; (6) An abstract titled "Nutrient loading at Card Sound Canal; a tidally driven canal that experiences highly stratified, bidirectional flow conditions" was recently approved for presentation at the USGS National Water-Quality Workshop at Galveston, Texas, November 5-9, 2007; (7) Manuscripts from Water Resources Data for Florida, 2006, Volume 2A: South Florida Surface Water USGS Water-Data Report FL-06-2A will be posted on the SOFIA; (8) Continue collaboration with Dr. Ken Odom on the optimization of the coastal monitoring network. A deliverables in fiscal year 2008 includes a journal article discussing the statistical analysis of the collected data.
Specific Relevance to Major Unanswered Questions and Information Needs Identified: (Page numbers below refer to DOI Science Plan.)
This study supports several of the projects listed in the Department of the Interior (DOI) science plan (specifically, the C-111 Spreader Canal and CSOP; Additional Water for ENP and Biscayne Bay Feasibility Study; and Florida Bay and Florida Keys Feasibility Study) by (1) providing baseline hydrologic data for model calibration and verification, and for resource management; (2) providing long-term hydrologic and water quality data to determine trends in hydrologic response to storms, sea level rise, and restoration activities; (3) quantifying discharge at estuarine creeks to answer quantity, timing and distribution questions; (4) quantifying discharge at estuarine creeks for nutrient load calculations; (5) providing temperature data for biological studies; and (6) providing salinity data to support restoration criteria (i.e., performance measures).
Three restoration questions were stated in the executive summary of the DOI Science plan (p. 1) and maximizing cost-share opportunities and science coordination were emphasized. This study supports restoration question 1: What actions will improve the quantity, timing, and distribution of clean freshwater needed to restore the South Florida ecosystem? The monitoring network provides coastal discharge data for the majority of estuarine creeks in northeastern Florida Bay. The timing and distribution of freshwater deliveries to northeastern Florida Bay has been documented since 1996. In 2003, the USGS coastal and estuarine unit also began calculating nutrient loads at selected sites in northeastern Florida Bay and along the southwestern Everglades coast. The larger network has provided discharge information to researches to develop nutrient budgets and loading (Rudnick, 1999; Sutula and others, 2003; Davis, 2004; Levesque, 2004).
USGS synthesis teams have been coordinated to assess nutrient flux to South Florida coastal ecosystems (McPherson and others, 2006) and to conduct data mining and modeling to separate human and natural hydrologic dynamics (Conrads and others, 2005). The need to comprehensively address recent algal blooms in Blackwater Sound and adjacent basins has fostered a collaborative effort between the USGS and Federal, State, and local partners to determine the source of the problem and understand the persistence of the blooms (SFWMD, 2006).
U.S. Department of the Interior, U.S. Geological Survey
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Last updated: 04 September, 2013 @ 02:08 PM(TJE)