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reports > april 2009 update
Prepared by: Matt Harwell, A.R.M. Loxahatchee National Wildlife Refuge
With contributions from Donatto Surratt, and Mike Waldon
Table of Contents:
This update is a summary of activities since the previous status report of January 2009 on the implementation of the Refuge's Enhanced Water Quality Monitoring and Modeling Program. A project overview, and other detailed information about the program can be found at: http://sofia.usgs.gov/lox_monitor_model/. The primary objective of this overall program focuses on providing information for use in ecological management of the Refuge (Brandt et al. 2004; Harwell et al. 2005; USFWS 2007a, b).
The Refuge's monitoring component of this program also addresses one of the Consent Decree Principals recommendations (17 December 2003):
B. Enhancing Monitoring of the Refuge
Design and implement an enhanced monitoring program to improve spatial and temporal understanding of factors related to phosphorus dynamics.
The Refuge's modeling component of this program also addresses several of the Consent Decree Principals recommendations (17 December 2003):
C. Modeling of the Refuge
1. Develop a water quality/hydraulic model for the Refuge with a phosphorus cycling component.
2. Evaluate issues associated with phosphorus loads and transports within the L- 40 and L-7 canals.
3. Develop and track a simple phosphorus mass-balance model for the Refuge.
Through collaboration with USGS, information from the Refuge's Enhanced Water Quality Monitoring and Modeling Program has been made available on the USGS' SOFIA web site at: http://sofia.usgs.gov/lox_monitor_model/.
Final data for monthly samples through May 2006 are publicly posted on DBHYDRO by the SFWMD at http://www.sfwmd.gov/org/ema/dbhydro/index.html (updated URL: http://my.sfwmd.gov/dbhydroplsql/show_dbkey_info.main_menu). Data for June 2006-March 2009 are posted on the Technical Oversight Committee's web site at https://my.sfwmd.gov/portal/page?_pageid=2235,4688652,2235_4688399&_dad=portal&_schema=PORTAL (new URL: http://www.sfwmd.gov/toc/). This report includes information from samples collected through March 2009.
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