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Found 3994 dataset(s) matching "Change Analysis".
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We are collecting stream channel geometry and bed sediment grain size distribution data at the Parker River to evaluate physical habitat changes associated with the planned Larkin Mill Dam...
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A 3-dimensional (3D) synthetic model, built for running with MODFLOW-NWT and MT3D-USGS, explores the new unsaturated zone heat transport capabilities in MT3D-USGS. Model simulations explore...
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This collection contains water sample data that are collected and analyzed to assess spatial and temporal variation in the seawater carbonate systems of coral reef ecosystems in the Hawaiian and...
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A two-week field operation was conducted in the John Day Reservoir on the Columbia River to image the floor of the pool, to measure the distribution and thickness of post-impoundment sediment, and...
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A digital video camera was installed at Waiakāne, Moloka'i, Hawai'i (HI) and faced west along the beach. Every hour during daylight hours, daily from June 26, 2018, to September 20, 2018, the...
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A digital video camera was installed at Waiakāne, Moloka'i, Hawai'i (HI) and faced west along the beach. Every hour during daylight hours, daily from June 26, 2018, to September 20, 2018, the...
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The effects of interior headland restoration on estuarine sediment transport processes are assessed through process-based numerical modeling. Three proposed interior headland restoration scenarios...
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This dataset contains shorelines (as vectors, where vertices are positions determined along transects) derived from available satellite imagery for multiple locations (Barter Island, Alaska;...
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Jurisdictional managers have expressed concerns that nutrients from the village of Vatia, Tutuila, American Samoa, are having an adverse effect on the adjacent coral reef ecosystem. Excess...
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The Climate Priming Index was created to identify periods where thermokarst activity may be initiated based on climatic influences. The annual Index assumes that years following periods of...
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This dataset includes the location and associated summarized temperature and soil moisture values associated with each seedling outplanted in this experiment. Temperature range (Temp.diff) is the...
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This dataset includes the location and associated summarized temperature and soil moisture values associated with each seedling outplanted in this experiment. Temperature range (Temp.diff) is the...
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A permeable rock-fill causeway was constructed across Great Salt Lake between 1957–1959, dividing the lake into North and South Arms. Several open channels have been constructed to connect the two...
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The United States Geological Survey (USGS) is conducting a study on the effects of climate change on ocean acidification within the Gulf of Mexico; dealing specifically with the effect of ocean...
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The United States Geological Survey (USGS) is conducting a study on the effects of climate change on ocean acidification within the Gulf of Mexico; dealing specifically with the effect of ocean...
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The United States Geological Survey (USGS) is conducting a study on the effects of climate change on ocean acidification within the Gulf of Mexico; dealing specifically with the effect of ocean...
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The dataset “Glacier_National_Park_alpine_stream_sampling_watersheds,_2011-2013.shp” is a GIS shapefile of the drainage areas of each of the 129 alpine and glacial aquatic macroinvertebrate...
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This data release presents multi-proxy geochemical and sedimentological data from 20 short sediment cores (ranging 50–70 cm in depth) collected in 2003 along the Euphrates, Tigris, and Shatt...
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In cooperation with the U.S. Army Corps of Engineers, the U.S. Geological Survey evaluated geomorphic conditions within Fern Ridge Lake near Eugene, Oregon, to inform cultural resources management...
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This data package contains measurements of polycyclic aromatic hydrocarbons (PAHs) in muscle tissue of several fish species including Red Snapper and Yellowedge Grouper collected aboard R/V Justo...