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Keywords: water clarity


Year Two Report_A Pilot Study for Ambient Toxicity Testing in Chesapeake Bay

Publication date: November 01, 1992 | Type of document: | Download: Electronic Version

this pilot study was designed to evaluate ambient toxicity in the Chesapeake Bay watershed by using a battery of water column, sediment and suborganismal tests.  A team of scientists from three Chesapeake Bay research laboratories…

The Introduction of Nonindigenous Species to the Chesapeake Bay via Ballast Water

Publication date: January 05, 1995 | Type of document: | Download: Electronic Version

Nonindigenous species are having dramatic effects on marine, estuarine and freshwater ecosystems through out the world.   These invading species can have strong economic and environmental consequences.  The impacts of the recent and…

The Influence of Salinity on the Chronic Toxicity of Atrazine to Sago Pondweed: Filling a Data Need for Development of anEstuarine Chronic Criterion

Publication date: October 01, 1998 | Type of document: | Download: Electronic Version

The objective of this study was to conduct a series of 28 d partial life cycle atrazine sub-chronic toxicity tests with sago pondweed, Potamogeton pectinatus. at salinities of 1, 6 and 12 ppt.  These data will be used by Maryland…

Screening of Candidate Species for Development of Standard Operating Procedures for Aquatic Toxicity Testing with Resident Chesapeake Bay Biota

Publication date: March 01, 1994 | Type of document: | Download: Electronic Version

the goal of this study was to evaluate 25 resident Chesapeake Bay species (vertebrates, invertebrates and plants) as potential candidates for future Standard Operating Procedures (SOP)  development for estuarine water column toxicity…

Recommended Guidelines for Sampling and Analyses in the Chesapeake Bay Monitoring Program 1996

Publication date: August 01, 1996 | Type of document: | Download: Electronic Version

The purpose of this document is to provide field and laboratory methods and associated quality control (QC) procedures and criteria that will result in the generation of data of known and documented quality for use in the Chesapeake Bay…

Guide to Using Chesapeake Bay Program Water Quality Monitoring Data

Publication date: March 01, 1993 | Type of document: | Download: Electronic Version

this document describes the Chesapeake Bay Mainstem Water Quality Monitoring Program in general and provides detailed information about the existing Program database.  The two main purposes of this document are to assist those who wish…

Animal Nutrition Technology Exchange Proceedings_2000

Publication date: January 20, 2000 | Type of document: | Download: Electronic Version

There is an emerging body of science-based information on the forumlation of animal rations that have the potential to cost-effectively achieve the objectives of producers and also result in potential reductions in the nutrient content…

Monitoring Needs and Partnership Opportunites Assessment: A Report to the Chesapeake Bay Program Monitoring Re-Alignment Action Team

Publication date: September 01, 2009 | Type of document: | Download: Electronic Version

The Chesapeake Bay Program (CBP) Monitoring efforts have served to provide Bay water quality and living resource health assessments while guiding restoration efforts in the Bay community for over 25 years.  As an outcome of a Chesapeake…

An Introduction to Sedimentsheds: Sediment and its Relationship to Chesapeake Bay Water Clarity

Publication date: January 30, 2002 | Type of document: | Download: Electronic Version

On January 30-31, 2007 the Chesapeake Bay Program's (CBP) Sediment Workgroup and the CBP's Science and Technical Advisory Committee convened a workship titled:  "An Introduction to Sedimentsheds: Sediment and its Relationship to…

Coupling Suspended Sediment Dynamics and Light Penetration in the Upper Chesapeake Bay

Publication date: May 01, 2006 | Type of document: | Download: Electronic Version

The attenuation of light underwater is an important process.  Three water quality constituents contribute to light attenuation in estuaries:  colored dissolved organic matter (CDOM) absorbs light selectively at blue wavelengths;…

Coupling Water Quality and Upper Trophic Level Models for Chesapeake Bay: A Planning Workshop

Publication date: March 01, 2005 | Type of document: | Download: Electronic Version

Recent publications of the Chesapeake 2000 agreement (C2K) and the Fisheries Ecosystem Plan reflect the growing interest in integrated management of water quality and fisheries.  Together, these two directives call for a combination of:…

Achieving the Chesapeake Bay Nutrient Goals

Publication date: October 01, 1994 | Type of document: | Download: Electronic Version

In 1982, this Bay Agreement nutrient reduction goal was confirmed by the use of computer models, and strengthened by allocating nutrietn reduction goals to each of the ten major tributary systems of the Bay, as well as to each…

Executive Council's Agricultural Nonpoint Source Initiative

Publication date: September 01, 1993 | Type of document: | Download: Electronic Version

The goal of Total Resource Management Planning is to identify ways to manage agricultural land holistically by including both environmental and economic factors.  The process makes the farmer aware of tthe relationship among various…

Chesapeake Bay Submerged Aquatic Vegetation Water Quality and Habitat-Based Requirements and Restoration Targets_A Second Technical Synthesis

Publication date: August 01, 2000 | Type of document:

The  principal relationships between water quality conditions and light regimes for growth of SAV are illustrated in Figuree1, which represents an expansion of a similar conceptual diagram presented in the first SAV technical…

Ambient Water Quality Criteria for Dissolved Oxygen, Water Clarity and Chlorophyll a for the Chesapeake Bay and Its Tidal Tributaries

Publication date: May 01, 2010 | Type of document:

In April 2003, the U.S. Environmental Protection Agency (EPA) published the Ambient Water Qualityy Criteria for Dissolved Oxygen, WaterClarity and Chlorophyll a for the Chesapeake Bay and Its Tidal Tributaries which was the…

Nutrient-Dissolved Oxygen Dynamics in Chesapeake Bay

Publication date: August 01, 1987 | Type of document: | Download: Electronic Version

This study was funded by grants X-003311-01-0 and X-003310-02-0 from the U.S. Environmental Protection Agency and the National Oceanographic and Atmospheric Administration through the University of Maryland Sea Grant College.  The…

Baywide Nutrient Reduction Strategy Progress Report

Publication date: December 01, 1989 | Type of document:

In 1988, the Water Quality Task Group developed the Basinwide Nutrient Reduction Strategy.  The strategy describes state point and nonpoint source (NPS) programs designed to meet the agreement goal of reducing nutrient loads entering…

An Introduction to Sedimentsheds

Publication date: May 01, 2007 | Type of document: | Download: Electronic Version

The Chesapeake Bay Program's Sediment workgroup was assigned the task of developing sedimentsheds.  The purpose of tje sedimentsheds is that they would be applied to determine the source of sediment that is contributing to water clarity…

Vegetated Filter Strips for Agricultural Runoff Treatment

Publication date: August 01, 1987 | Type of document:

When data from all tests were averaged, mass losses of total suspended solids, nitrogen and phosphoru from bare source areas were reduced by 72%, 17%, and 41% respectively, by 4.6 m (15 ft) wide filters.  TSS, N, and P reductions by 9.2…

Estimation of Nonpoint Source Loading Factors in the Chesapeake Bay Watershed Model

Publication date: September 01, 1990 | Type of document:

The objective of this project entered into by US Environmental Protection Agency (US EPA) and North Carolina State University (NCSU) was to assist the Chesapeake Bay Program in developing appropriate parameters to calibrate the…

Chesapeake Bay Program Analytical Segementation Scheme-2004

Publication date: October 01, 2004 | Type of document:

For the last 20 years, the Chesapeake Bay Program partners have used various forms of a basic segementation scheme to organize the collection, analysis and presentation of environmental data.  The Chesapeake Bay Program Segementation…

An Introduction to Sedimentsheds_Sediment and Its Relationship to Chesapeake Bay Water Clarity

Publication date: July 01, 2002 | Type of document:

Sedimentshed is a new concept, and is defined as the area that contributes the sediment which directly influences water clarity in near-shore Submerged Aquatic Vegetation (SAV) grow zones.  The goals of this report is *to provide a…

Chesapeake Bay Underwater Grasses

Publication date: September 22, 2003 | Type of document: Backgrounder | Download: Electronic Version

Bay grasses are a unique yardstick for measuring the progress of Chesapeake Bay restoration efforts because they are not under harvest pressure and their health is closely linked to water quality. In recent years both the health and…



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