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This content represents a compressed folder of the processed datasets for the waterborne resistivity profiling surveys of streams in the Mississippi Alluvial Plain. This file bundle contains 8 .csv tables, each representing raw data for an individual stream.
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Data describe a designed environmental DNA (eDNA) survey for the detection of longnose darter (Percina nasuta) in field collected water samples. Parameters described include the limit of detection and limit of quantification of the assay; a list of freshwater fish species tissue samples that were used to test specificity of the assay; and field collected water samples that were tested to detect the presence of longnose darter DNA. Samples were collected from sites on the St. Francis river, Missouri in 2018.
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This content represents a compressed folder of the processed datasets for the waterborne resistivity profiling surveys of streams in the Mississippi Alluvial Plain. This file bundle contains 8 .csv tables, each representing processed data for an individual stream.
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New Madrid Earthquakes 1811-12. One side of fault trench or "fissure" near banks of St. Francis River, Clay County, Arkansas. 1904. Plate 2-A in U.S. Geological Survey. Bulletin 494. 1912.
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This data release consists of two .csv files of inverted models of electrical resistivity created from the processed resistivity data in the accompanying two data releases: (Miller and Others, 2018) and (2018 Raw and Processed, in progress). During 2016, 17, and 18, the U.S. Geological Survey conducted continuous resistivity profiling along 15 rivers or lakes in the Mississippi Alluvial Plain of Mississippi, Arkansas, Louisiana, and Missouri to characterize streambed hydraulic conductivity values. These techniques characterize the near surface geomorphology of the streambed that controls the recharge to the alluvial aquifer. These data can be used to map changes in the lithology of the streambed and identify areas...
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This content represents a map displaying the vector data corresponding to the processed datasets for the waterborne resistivity profiling surveys of streams in the Mississippi Alluvial Plain. The .sd file is an ESRI service definition file containing all the data (capatible for use in ESRI ArcDesktop). This file bundle contains 8 shapefiles, each representing an individual stream. These are all displayed in the map service definition. Users can also download the .sd file and extract the content (using 7zip, winzip, etc.) on their local machine to obtain all the stand-alone shapefiles.
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This data release has three components for each of the eight stream lengths: 1) a geospatial dataset of the processed data; 2) tabular data of the processed waterborne resistivity profiling data and associated water-quality data; 3) tabular data of the raw waterborne resistivity data and associated water-quality data. In fresh water aquifers, the geoelectric resistivity of earth materials commonly has a positive correlation with hydraulic conductivity (Faye and Smith, 1994). Throughout 2017, continuous resistivity profiling data were collected, as a proxy for streambed hydraulic conductivity, along reaches of eight streams in the Mississippi Alluvial Plain of Mississippi, Arkansas, and Missouri. A total of...


    map background search result map search result map Waterborne resistivity surveys for streams in the Mississippi Alluvial Plain, 2017 Geospatial datasets of processed data Tabular data of raw data values Tabular data of processed data values Waterborne Resistivity Inverted Models, Mississippi Alluvial Plain, 2016-2018 Longnose darter (Percina nasuta) eDNA survey results from the St. Francis River, Missouri 2018 Longnose darter (Percina nasuta) eDNA survey results from the St. Francis River, Missouri 2018 Tabular data of raw data values Tabular data of processed data values Waterborne resistivity surveys for streams in the Mississippi Alluvial Plain, 2017 Geospatial datasets of processed data Waterborne Resistivity Inverted Models, Mississippi Alluvial Plain, 2016-2018