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Data Releases

The data collected and the techniques used by USGS scientists should conform to or reference national and international standards and protocols if they exist and when they are relevant and appropriate. For datasets of a given type, and if national or international metadata standards exist, the data are indexed with metadata that facilitates access and integration.

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Hurricane sedimentation in a subtropical salt marsh-mangrove community in the Mississippi River Delta Complex unaffected by vegetation type Hurricane sedimentation in a subtropical salt marsh-mangrove community in the Mississippi River Delta Complex unaffected by vegetation type

Hurricanes periodically deliver sediment to coastal wetlands, such as those in the Mississippi River Delta Complex (MRDC), slowing elevation loss and improving resilience to sea-level rise. However, the amount of hurricane sediment deposited and retained in a wetland may vary depending on the dominant vegetation. In the subtropical climate of the MRDC, the black mangrove (Avicennia...
By
Wetland and Aquatic Research Center

Whole-rock and glass chemistry of lava samples collected during the 2018 Lower East Rift Zone eruption of Kilauea Whole-rock and glass chemistry of lava samples collected during the 2018 Lower East Rift Zone eruption of Kilauea

This data release contains selected results of whole-rock and glass analyses of lava samples collected during the 2018 eruption of Kilauea's lower East Rift Zone (LERZ). Included are sampling-site information, eruptive vent/fissure, and sampling descriptions. During the 2018 LERZ eruption, the chemical analysis of lava samples was performed within hours of collection using an energy...
By
Volcano Hazards Program, Volcano Science Center, Kīlauea

Estimated Use of Water for Coastal Carolinas Focus Area Study Estimated Use of Water for Coastal Carolinas Focus Area Study

The Cape Fear and Pee Dee River Basins in North Carolina and South Carolina were chosen as a focus area study (FAS) for the U.S. Geological Survey (USGS) National Water Census (NWC) in 2016. The objective of the NWC is to place technical information and tools in the hands of stake holders so that they can make decisions on water availability. The USGS South Atlantic Water Science Center...
By
South Atlantic Water Science Center (SAWSC)

Gravity data from the Truxton area, northwestern Arizona Gravity data from the Truxton area, northwestern Arizona

This dataset represents the network-adjusted results of relative- and absolute-gravity surveys. Data are provided in tabular (csv) and vector (shapefile) formats with one row per station.Relative-gravity surveys were carried out using a ZLS Coporation Burris relative-gravity meter. The effect of solid Earth tides and ocean loading were removed from the data. Instrument drift was removed...
By
Arizona Water Science Center

PRMS version 5.0.0: Precipitation-Runoff Modeling System PRMS version 5.0.0: Precipitation-Runoff Modeling System

The need to assess the effects of variability in climate, biota, geology, and human activities on water availability and flow requires computer models that simulate the hydrologic cycle at a watershed scale. The Precipitation-Runoff Modeling System (PRMS) is a deterministic, distributed-parameter; physical process based modeling system developed to evaluate the response of various...
By
Water Resources Mission Area

GSFLOW: Coupled Groundwater and Surface-Water Flow Model, version 2.1.0 GSFLOW: Coupled Groundwater and Surface-Water Flow Model, version 2.1.0

GSFLOW is a coupled Groundwater and Surface-water FLOW model based on the integration of the USGS Precipitation-Runoff Modeling System (PRMS-V) and the USGS Modular Groundwater Flow Model (MODFLOW-2005 and MODFLOW-NWT). GSFLOW was developed to simulate coupled groundwater/surface-water flow in one or more watersheds by simultaneously simulating flow across the land surface, within...
By
Water Resources Mission Area
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