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Climate change
Long-term alteration in the characteristic weather conditions of a region, such as changes in precipitation and temperature.
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Desertification (5 items)
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Global Change Hydrology Program (hydroclimatology) [More info]
Review of the Global Change Hydrology Program components relating to hydroclimatology and studies of the biogeochemistry of greenhouse gases with links to research activities, datasets, fact sheets, and other publications and websites.
Ground-water recharge in the arid and semiarid southwestern United States [More info]
A systematic presentation of climatic and hydrogeologic framework of the area, regional analysis of ground-water recharge, and an overview of 8 site-specific case studies.
Gulf of Mexico Climate-History Calibration Study [More info]
Proxy methods allow us to estimate ancient ocean temperatures but only if the method is calibrated using modern samples for which we measure the temperature. This is a proxy method using a sediment trap to collect planktonic foraminifera.
Hydro-Climatic Data Network (HCDN): streamflow data set, 1874 - 1988 [More info]
The Hydro-Climatic Data Network, or HCDN, consists of streamflow records for 1,659 sites throughout United States and its Territories. Records span the period 1874 through 1988, and represent a total of 73,231 water years of information.
PDF Impacts of Low-Flow and Stream-Temperature Changes on Endangered Atlantic Salmon - Current Research [More info]
Recent physical changes over time, including trends toward earlier snowmelt runoff, decreasing river ice, and increasing spring water temperatures, may affect salmon populations; we want to know how important these effects are.
International Program at the Earth Resources Observation Systems (EROS) Data Center - environmental monitoring and information systems [More info]
Overview of the environmental monitoring component of the international program at the EROS Data Center using Geographic Information Systems (GIS) technology, with links to data, partners, publications, and workshops.
Moderate-resolution sea surface temperature data and seasonal pattern analysis for the Arctic Ocean ecoregions [More info]
GIS data as grids, images, and shapefiles for monthly averages at 4km resolution from 1981 through 2009.
National Climate Change and Wildlife Science Center [More info]
Coordinates our efforts to address challenges resulting from climate change and to empower natural resource managers with rigorous scientific information and effective tools for decision-making.
PDF Prehistoric packrats piled up clues to climate change [More info]
Hoarding behavior preserved prehistoric materials we can use as clues to ancient climate and ecosystem changes.
PDF Quantifying effects of climate change on the snowmelt-dominated groundwater resources of northern New England [More info]
Planned analysis of the sensitivity of groundwater levels to changes in air temperature and precipitation. Changes in groundwater recharge and discharge also will be correlated with other hydrologic indicators.
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