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National Wetlands Research Center

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Global Change Science: Climate and Land Use Change

CO2 Experimental  Facility

USGS scientists researching global change develop study plans to monitor, assess, and predict how different stressors affect the release of greenhouse gases. Studies conducted at NWRC explore how increases in temperature, sea level, and atmospheric carbon dioxide affect wetland plants and how forest stands along different stages of ecological succession transform, convey, or mediate these atmospheric gases.

Image of a Study Plot

Global change is broadly defined under the U.S. Global Change Research Act of 1990 (Public Law 101-606,104 Stat. 3096-3104) as “Changes in the global environment (including alterations in climate, land productivity, oceans or other water resources, atmospheric chemistry, and ecological systems) that may alter the capacity of the Earth to sustain life.” Fluctuations do not necessarily refer to human-induced changes or even to recent occurrences, but reflect long-term changes observed across the globe.

The USGS undertakes scientific research, monitoring, remote sensing, modeling, synthesis, and forecasting to address the effects of climate and land use change on the Nation’s resources. The resulting research and products are provided as the scientific foundation upon which policymakers, natural resource managers, and the public make informed decisions about the management of natural resources on which they and others depend.

Research

Image of Greenhouse Experiment at NWRC
  • Potential Effects of Elevated CO2 and Climate Change on Coastal Wetlands (Dr. Karen L. McKee)

  • Coastal Forest Dieback, Growth, and Carbon Relations in Tidal Freshwater Forested Wetlands of the Southeastern United States (Dr. Ken W. Krauss, Dr. Thomas W. Doyle)

  • Defining Controls Over Soil Greenhouse Gas Fluxes as Tidal Freshwater Forested Wetlands Transition to Marsh (Dr. Ken W. Kauss, Dr. Julie L. Whitbeck, University of New Orleans)

  • Interactive Effects of Climate Change and Fire on Bird Communities: Landscape and Regional Projections (Dr. Wylie C. Barrow).

  • Monitoring and Modeling Global Change Effects on Submerged Aquatic Vegetation of Intermediate Salinities Along the Gulf of Mexico Coast (Dr. Jacoby Carter).

  • Potential Effects of Elevated Carbon Dioxide on the Structure and Function of Coastal Marshes (Dr. Karen L. McKee, Dr. James B. Grace).

  • Climate Effects on Carbon Sequestration and Soil Hydration Dynamics in Coastal Wetland Habitats of the Tampa Bay, Florida Watershed (Dr. Ken W. Krauss, Dr. Camille L. Stagg, Dr. Marc Russell, US EPA Gulf Ecology Division)

  • Surface Elevation Change and Susceptibility of Different Mangrove Zones to Sea-Level Rise on Pacific High Islands of Micronesia (Dr. Ken W. Krauss, Dr. Donald R. Cahoon)

  • Carbon Sequestration Rates in Managed and Tidal Freshwater Wetlands in the Waccamaw National Wildlife Refuge (Dr. Judith Z. Drexler, Dr. Ken W. Krauss, Dr. Christopher M. Swarzenski)

View Global Climate Change Fact Sheets

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Page Last Modified: Monday, 31-Dec-2012 11:31:20 EST