USGS - science for a changing world

USGS Chesapeake Bay Activities

Feature Archive

Fish, Wildlife, and Habitat

Freshwater Fish and Streams

bulletThe Potential Effects of Unconventional Oil and Gas Development on Eastern Brook Trout more

bulletInfluence of groundwater on streams important for brook trout in Shenandoah National Park ...learn more

bulletTemperature changes affecting brook trout populations more

bulletUSGS expands studies of brook trout. USGS has established an experimental stream lab to study the interactive effects of thermal stressors and invasive species on brook trout behavior, physiology, and growth. Learn more...

Fish Health and Toxic Contaminants

bulletUSGS fish passage research helps the across the Nation more

bulletNew techniques to detect endocrine active chemicals ...learn more

bulletUSGS team studies smallmouth bass in the Shenandoah River for intersex characteristics ...view the video

bulletUSGS fish health scientist shares thoughts on Chesapeake restoration ...view more

bulletWest Coast Fish Pathogen Now Found in the East ...learn more

bullet EPA, USGS, with USFWS release new report on the extent and severity of toxic contaminants in the Chesapeake Bay and its watershed more

bulletScience Summary—Skin Lesions and Mortality of Fishes in the Chesapeake Bay Watershed more

bulletMultiple Causes of Fish Kills in the Potomac River Basin ... read more

bulletUSGS works with USFWS and MD DNR to summarize effects of suburban lands and contaminants on the health of yellow perch in the Chesapeake Bay more on Fact Sheet 2013-3055

bulletStudy finds development and toxic contaminants leads to decline in yellow perch reproduction. Read more about the joint USGS, FWS, and MD DNR study.....

bulletScience Summary—Indicators of Reproductive Endocrine Disruption in Fish in the Chesapeake Bay Watershed more

bullet Results from two USGS studies were featured in the Frontline program "Poisoned Waters" ... learn more

Waterfowl and Habitat

bulletWaterbirds at Risk in the Chesapeake Bay — Scientists investigate the impacts of shoreline armoring ...learn more

bulletResearch used to explain the behavior of ospreys in the Chesapeake...learn more

bulletUSGS Science Summary—Learning more about waterfowl to inform management more

bulletPharmaceuticals and the water-fish-osprey food web more

bulletOspreys used as sentinel for pollution more

bulletChanges in Food and Habitats of Waterbirds (USGS Circular 1316) ... read more

bulletUSGS research shows link between sea duck and oyster populations more

bulletsmal graphic of a scoter headPatuxent Wildlife Refuge scientists study how wind farms affect sea ducks more

bulletSubmerged Aquatic Vegetation and Water Clarity (USGS Circular 1316) ... read more

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Water Quality

Nutrients and Sediment Trends

bulletUpdated nutrient and sediment trends for the Chesapeake watershed more

bulletThe Role of Storms on Bank Erosion Rates and Sediment Transport in Urban Areas ...learn more

bulletHigh-frequency nitrate-concentration data can be used to inform the development of best management practices to reduce nitrogen loading to Chesapeake Bay ...learn more

bulletLoad and trend results through water year 2015 ...learn more

bulletSummary of Nitrogen, Phosphorus, and Suspended-Sediment Loads and Trends Measured at the Chesapeake Bay Nontidal Network Stations: Water Year 2014 Update more

bulletUSGS enhances statistical techniques to assess water-quality trends more

bulletScience Summary—Determining Nutrient and Sediment Loads and Trends in the Chesapeake Bay Watershed by Using an Enhanced Statistical Technique more

bulletHear a presentation of nutrient and sediment trends in the Bay watershed ...visit

bulletNontidal Water Quality Loads and Trends information

Explaining Water-Quality Change

bulletUSGS works with academic and CBP partners to summarize science on water-quality improvements in the Chesapeake Ecosystem ...learn more

bulletUSGS helps develop synthesis of Conowingo Reservoir findings read more....

bulletDigital map documents surficial-aquifer thickness in the Delmarva Peninsula ...learn more

bulletScience Summary—Vegetation traps nutrients and sediment in the flood plain of an urban stream in the Chesapeake Bay watershed more

bulletEnhanced Reporting of Agricultural Conservation Practices that Reduce Loss of Nutrients and more

bulletUSGS report: Excess manure and fertilizer are worsening water-quality conditions on Eastern Shore of Chesapeake more

bulletUSGS works with CBP to provide "public friendly" overview of sediment sources in the Bay watershed ...view the video

bulletScience Summary—Sources, Fate, and Transport of Nitrogen and Phosphorus in the Chesapeake Bay Watershed—Interpretations and Applications of Spatially Referenced Regression on Watershed Attributes (SPARROW) Nutrient Model Results more

bulletUSGS results on phosphorus trends reveal little progress over the past decade. USGS results show phosphorus trends over the past decade do not show improving conditions at a majority of the sites. Water-quality managers call for more actions to increase progress more

bulletUSGS leads STAC report on Land Management Effects on Water-Quality Status and Trends more

bulletUSGS co-leads special issue of the Journal of Soils and Sediments focused on suspended sediment sourcing to understand surface processes, as well as address management concerns as they relate to stream turbidity and surface water quality. This special issue contains contributions from 29 researchers from studies in Africa, Asia, Europe, and North America that reflect the current state-of-the science on sediment sourcing.

bulletUSGS study: Groundwater delaying water-quality improvements on the Delmarva Peninsula and Chesapeake Bay more

bulletScience Summary—Sediment and Nutrient Trapping in the Flood Plain of Difficult Run, Virginia, and Implications for the Restoration of Chesapeake Bay more

bulletScience Summary—Sediment Sources and Transport in the Chesapeake Bay Watershed more

bulletScience Summary—Water-Quality Improvements Resulting from Suburban Stormwater Management Practices in the Chesapeake Bay Watershed more

bulletUSGS findings on increasing sediment and phosphorous from Susquehanna River due to filling of reservoirs more

bulletThe transport time of nitrogen in ground water to help understand the "lag time" between implementing management actions and seeing a water-quality response (USGS Circular 1316) ... read more

bulletSediment sources to the Bay includes watershed inputs, erosion of shorelines and wetlands, and ocean inputs (USGS Circular 1316) ... read more

bulletConowingo Dam Above 90 Percent Capacity For Sediment Storage more

Estuary Conditions

bulletRiver flows already high in advance of Hurricane Florence ...learn more

bulletScientists predict above-average dead zone in 2018 more

bulletWater Quality in Chesapeake Bay Approaches Record High more

bulletChesapeake gets a "C" on 2016 report card. UMCES brings together USGS and partner information for latest assessment more

bulletUSGS science contributes to "Water quality improves, pollution falls in the Chesapeake Bay" ...learn more

bulletChesapeake Bay ‘dead zone’ to vary from average to slightly smaller more

bulletUSGS contributes toward assessment of Bay's health and restoration more

bulletScientists expect slightly below average Chesapeake Bay "Dead Zone" this summer. Low river flow and nutrient loading reason for smaller predicted size more

bullet Estimated Monthly Streamflow entering the Bay

bulletUSGS summarizes information about the Chesapeake Bay and implications for ecosystem management (USGS Circular 1316) ... read more

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Land and Environmental Change

Streams and Environmental Change

bulletUSGS results used to help develop new climate indicators ...learn more

bulletScience Summary—Stream temperature rising throughout the Chesapeake Bay region more

bullet Human development leads to a decline in stream health more

bullet Long-Term Changes in Climate and Water Quality ... read more

Sea-Level Rise and Wetlands

bulletScience Summary—Assessing Effects of Sea-level Rise on Upstream Ecosystem Conditions more

bulletUSGS science informs partner efforts to restore wetlands ...learn more

bulletUSGS tide gauges installed throughout Hampton Roads and along the Eastern Shore of Virginia monitoring elevated water levels caused by Post-Tropical Cyclone Jose more

bulletSea-level rise contributing to loss of coastal forests ...learn more

bulletScience Summary—Sea-Level Rise and Chesapeake Bay more

bulletUSGS study shows sea-level rise accelerating along portions of the east coast more

bulletUSGS discovers groundwater pumpage leading to land subsidence in southern Chesapeake more

bullet Factors Affecting Coastal Wetland Loss and Restoration (USGS Circular 1316) ... read more

Land Change Monitoring and Modeling

bulletUSGS 3D Elevation Program Supports Science Activities in the Chesapeake Watershed ...learn more

bulletUSGS develops novel approach to assess efficiency of stormwater management practices ...learn more

bulletMapping Chesapeake's Future From Today's Land Use more

bulletUSGS develops land-use data for watershed ...learn more

bulletMonitoring and Modeling the Chesapeake Bay ...view the video

bulletUSGS explains effects of population growth on the Chesapeake ecosystem through the use of satellite imagery ...view the video

bulletChesapeake LandScope

bulletUSGS helping to improve land cover data more

bullet Human Population Growth and Land-Use Change ... read more

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Collaborate and Inform

Science Activities

bulletUSGS releases new Chesapeake Science Strategy more

bulletPricing the Priceless: Ecosystem Services Science at USGS more

bullet USGS Economic Analysis of Anacostia River Shows Potential Value of Restoring Urban Streams Nationwide more (5/2013)

bulletUSGS Chesapeake accomplishments more

bulletChesapeake Bay Landsat 8 Landsat image of Chesapeake Bay Landsat 8 Surface Reflectance Mosaic| Beautiful New Landsat Mosaic of Chesapeake Bay news article

Working with Partners

bulletBay Barometer: Annual report on watershed health and restoration more

bulletNOAA, USGS and partners predict larger summer ‘dead zone’ for Chesapeake Bay ...learn more

bulletUSGS contributes to the Chesapeake Bay Barometer: a snapshot of ecosystem health and restoration more

bulletUSGS and DOI help lead federal efforts to restore Chesapeake, read the latest Executive Order Report more

bulletUSGS contributes to federal agency progress to restore the Bay more

bulletUSGS Science Highlighted at Ecosystem Restoration Conference more

bulletUSGS science contributes to the Chesapeake Watershed Agreement, which sets goals and outcomes through 2025 more

bulletUSGS and federal agencies highlight progress in restoring the Chesapeake Bay. Read an overview in the Bay Journal...

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Page Last Modified: Tuesday, 18-Sep-2018 09:59:43 EDT