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Location Folder Show Tree ROOT _ScienceBase Catalog __USGS Lower Mississippi-Gulf Water Science Center ___@ Mississippi Alluvial Plain (MAP) Regional Water-Availability Study ____Groundwater Levels Data associated with potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2016 Datasets used to map the potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2018 Datasets used to map the potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2020 Groundwater-Level Data and Statistics Filters Date Range Past year (2) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (5) OGC WFS Layer (5) OGC WMS Layer (5) OGC WMS Service (5) Contacts Virginia L McGuire Nebraska Water Science Center William H Asquith U.S. Geological Survey Ronald C Seanor More... Tag Types Theme (21) Place (21) Harvest Set (5) USGS Scientific Topic Keyword (2) Tag Schemes Common geographic areas (16) USGS Thesaurus (17) none (10) ISO 19115 Topic Category (17) Alexandria Digital Library Feature Type Thesaurus (10) Common geographic names (1) View Results as: JSON ATOM CSV Browse Folder

d1_Pot2018RasterFt Potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2018, raster format, in feet This dataset is the raster, in feet, of the potentiometric-surface map, spring 2018, Mississippi River Valley alluvial (MRVA) aquifer. The raster cell size is 1,000 meters; the raster altitude data was referenced to the North American Vertical Datum of 1988 (NAVD 88). The raster was interpolated using (1) most of the available groundwater-altitude data from wells and surface-water-altitude data from streamgages, and (2) potentiometric-surface contours. Tags: Arkansas, Illinois, Kentucky, Louisiana, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, aquifer, geoscientificInformation, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, surface-water altitude, water table, Fewer tags List of paired groundwater and surface-water sites operated by the U.S. Geological Survey in the State of Mississippi and within the Mississippi Alluvial Plain and monitoring shallow groundwater conditions This file contains site identification information of streamgages and paired wells to the streamgages operated by the U.S. Geological Survey in the State of Mississippi and within the Mississippi Alluvial Plain to monitor shallow groundwater conditions and aid in understanding the interaction between groundwater and surface water. Useful background on pairing groundwater and surface-water monitoring is provided by Constantz and others (2012). Differing scientific purposes of modeling or statistical studies could benefit from the identification of these sites for isolation or removal from comprehensive groundwater-level data projects for the Mississippi River Valley alluvial aquifer. Tags: Mississippi, Mississippi, Mississippi Alluvial Plain, Mississippi Alluvial Plain, groundwater, All tags... groundwater levels, Fewer tags b_Surface_WaterPts Surface-water-altitude data, from streamgages, considered for the potentiometric-surface map, Mississippi River Valley alluvial aquifer, spring 2018 This dataset contains surface-water-altitude (SWA) data from streamgages that was used or considered to create a potentiometric-surface map for the Mississippi River Valley alluvial (MRVA) aquifer for spring 2018. The surface-water-altitude data was referenced to the North American Vertical Datum of 1988 (NAVD 88). The streamgages are measured continuously. The streamgage measurement that was used was from early April 2018 and is an estimate of the groundwater altitudes at the gage location. The resultant potentiometric-surface contours and raster represents the generalized central tendency for spring 2018, but it would not be useful for some purposes, such as for calibration of a groundwater-flow model for early... Tags: Arkansas, Illinois, Kentucky, Louisiana, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, aquifer, geoscientificInformation, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, surface-water altitude, water table, Fewer tags c_Spatial dataset of the potentiometric-surface contours, Mississippi River Valley alluvial aquifer, spring 2020, in feet This dataset contains the contours, in feet, of the potentiometric-surface, spring 2020, Mississippi River Valley alluvial aquifer (MRVA). The contours are referenced to the North American Vertical Datum of 1988 (NAVD 88). The contours were derived from most of the available groundwater-altitude (GWA) data from wells and surface-water-altitude (SWA) data from streamgages, measured in for spring 2020. The potentiometric contours ranged from 10 to 340 feet (3 to 104 meters) above NAVD 88. The regional direction of groundwater flow was generally towards the south-southwest, except in areas of groundwater-altitude depressions, where groundwater flows into the depressions, and near rivers, where groundwater flow generally... Tags: Arkansas, Illinois, Kentucky, Louisiana, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, aquifer, geoscientificInformation, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, surface-water altitude, water table, Fewer tags (e1) Potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2016, raster format, in feet A potentiometric surface map for spring 2016 was created for the Mississippi River Valley alluvial (MRVA) aquifer, which was referenced to the North American Vertical Datum of 1988 (NAVD 88), using most of the available groundwater-altitude data from wells and surface-water-altitude data from streamgages. Most of the wells were measured annually or one time, after installation, but some wells were measured more than one time in a year and a small number of wells were measured continually. Streamgages were typically operated continuously. The potentiometric surface map for 2016 was created as part of the U.S. Geological Survey (USGS) Water Availability and Use Science Program to support investigations that characterize... Tags: Arkansas, Illinois, Kentucky, LMG, Louisiana, All tags... Lower Mississippi Gulf Water Science Center, MAP, MRVA aquifer, Mississippi, Mississippi Alluvial Plain, Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, U.S. Geological Survey, U.S.Geological Survey, USGS, Water Availability and Use Science Program, aquifers, geoscientificInformation, ground water, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, surface-water altitude, water table, Fewer tags a_GroundwaterPts Groundwater-altitude data, from monitoring-networks wells, considered for the potentiometric-surface map, Mississippi River Valley alluvial aquifer, spring 2018 This dataset contains groundwater (GW)-altitude (ALT) data from wells that was used or considered to create a potentiometric-surface map for the Mississippi River Valley alluvial (MRVA) aquifer for spring 2018. The groundwater-altitude data was referenced to the North American Vertical Datum of 1988 (NAVD 88). Most of the wells were measured annually, but some wells were measured more than one time in a year and a small number of wells were measured continuously. Groundwater-altitude data were from wells measured in spring 2018. Spring-time measurements were preferred because water levels had generally recovered from pumping during the previous irrigation season and it was before pumping began for the current irrigation... Tags: Arkansas, Illinois, Kentucky, Louisiana, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, aquifer, geoscientificInformation, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, water table, Fewer tags Monthly rollup of discrete and daily-aligned groundwater levels, metadata, and other attributes useful for statistical modeling for the Mississippi River Valley Alluvial aquifer, Mississippi Alluvial Plain, 1980–2019 Monthly rollup of the discrete and daily-aligned groundwater levels were created from Robinson, Asquith, and Seanor (2020) data products with removal of the paired groundwater and surface-water sites listed by Robinson, Killian, and Asquith (2020). The monthly rollup is composed of (1) computed monthly "mean" values regardless of whether a well had one measurement in the month or up to about 30 days of daily-mean values, (2) standard deviation of the water levels within the month (sample size is generally just one day but for recorder sites could be up to about 30 days), (3) the last water level in the month, and (4) monthly counts of water levels. The algorithm is available within the sources of visGWDBmrva (Asquith... Tags: Arkansas, Illinois, Kentucky, Louisiana, MAP, All tags... Mississippi, Mississippi Alluvial Plain, Mississippi Alluvial Plain, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, groundwater, groundwater levels, Fewer tags Groundwater levels and other covariates useful for statistical modeling for the Mississippi River Valley Alluvial aquifer, Mississippi Alluvial Plain Groundwater-level data, in conjunction with attendant metadata and covariates (predictor variables) data, for the Mississippi River Valley alluvial aquifer (MRVA) are used to support statistical and process-based numerical modeling. This page represents a collection of groundwater-level data within the expanse of the Mississippi Alluvial Plain (MAP) (Painter and Westerman, 2018) and are derived from well-specific periods of record of discrete measurements and continuous water levels aggregated to daily statistics. The basic data structures are intended also to serve as interpretability standards for use by statistical software such as described by Asquith and Seanor (2019) and Asquith and others (2019). Tags: Arkansas, Louisiana, MAP, MAP, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi Alluvial Plain, Mississippi River Valley Alluvial aquifer, Mississippi River Valley Alluvial aquifer, Missouri, Tennessee, USGS Science Data Catalog (SDC), groundwater, groundwater levels, Fewer tags Datasets used to map the potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2020 A potentiometric-surface map for spring 2020 was created for the Mississippi River Valley alluvial aquifer (MRVA), which was referenced to the North American Vertical Datum of 1988 (NAVD 88), using most of the available groundwater-altitude data from wells and surface-water-altitude data from streamgages. The location and water-level altitude in feet for these wells and streamgages in spring 2020 are provided in this data release. The interpreted contours and raster of the potentiometric surface are also provided in this data release and in the associated report titled "Potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2020" and available at https://doi.org/10.3133/sim3478/. Tags: USGS Science Data Catalog (SDC) (c) Surface-water altitude data, from streamgages, considered for the potentiometric surface map, Mississippi River Valley alluvial aquifer, spring 2016 A potentiometric surface map for spring 2016 was created for the Mississippi River Valley alluvial (MRVA) aquifer, which was referenced to the North American Vertical Datum of 1988 (NAVD 88), using most of the available groundwater-altitude data from wells and surface-water-altitude data from streamgages. Most of the wells were measured annually or one time, after installation, but some wells were measured more than one time in a year and a small number of wells were measured continually. Streamgages were typically operated continuously. The potentiometric surface map for 2016 was created as part of the U.S. Geological Survey (USGS) Water Availability and Use Science Program to support investigations that characterize... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arkansas, Illinois, Kentucky, LMG, Louisiana, All tags... Lower Mississippi Gulf Water Science Center, MAP, MRVA aquifer, Mississippi, Mississippi Alluvial Plain, Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, U.S. Geological Survey, U.S.Geological Survey, USGS, Water Availability and Use Science Program, aquifers, geoscientificInformation, ground water, groundwater, groundwater levels, inlandWaters, potentiometric surface, surface-water altitude, water table, Fewer tags c_Pot2018Contours Spatial dataset of the potentiometric-surface contours, Mississippi River Valley alluvial aquifer, spring 2018, in feet This dataset contains the contours, in feet, of the potentiometric-surface, spring 2018, Mississippi River Valley alluvial (MRVA) aquifer. The contours are referenced to the North American Vertical Datum of 1988 (NAVD 88). The contours were derived from most of the available groundwater-altitude data from wells and surface-water-altitude data from streamgages, measured in for spring 2018. The potentiometric contours ranged from 10 to 340 feet (3 to 104 meters) above NAVD 88. The regional direction of groundwater flow was generally towards the south-southwest, except in areas of groundwater-altitude depressions, where groundwater flows into the depressions, and near rivers, where groundwater flow generally parallels... Tags: Arkansas, Illinois, Kentucky, Louisiana, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, aquifer, geoscientificInformation, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, surface-water altitude, water table, Fewer tags d2_Pot2018RasterM Potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2018, raster format, in meters This dataset is the raster, in meters, of the potentiometric-surface map, spring 2018, Mississippi River Valley alluvial (MRVA) aquifer. The raster cell size is 1,000 meters; the raster was referenced to the North American Vertical Datum of 1988 (NAVD 88). The raster, in feet, was interpolated using most of the available groundwater-altitude data from wells, surface-water-altitude data from streamgages, and the potentiometric contours. Then the raster altitude data was converted to meters. Tags: Arkansas, Illinois, Kentucky, Louisiana, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, aquifer, geoscientificInformation, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, surface-water altitude, water table, Fewer tags d2_Potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2020, raster format, in meters This dataset is the raster, in meters, of the potentiometric-surface map, spring 2020, Mississippi River Valley alluvial aquifer (MRVA). The raster cell size is 1,000 meters; the raster was referenced to the North American Vertical Datum of 1988 (NAVD 88). The raster, in feet, was interpolated using most of the available groundwater-altitude (GWA) data from wells, surface-water-altitude (SWA) data from streamgages, and the potentiometric contours. Then the raster altitude data was converted to meters. Tags: Arkansas, Illinois, Kentucky, Louisiana, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, aquifer, geoscientificInformation, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, surface-water altitude, water table, Fewer tags (b) Groundwater altitude data, from driller-measured wells, considered for the potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2016 A potentiometric surface map for spring 2016 was created for the Mississippi River Valley alluvial (MRVA) aquifer, which was referenced to the North American Vertical Datum of 1988 (NAVD 88), using most of the available groundwater-altitude data from wells and surface-water-altitude data from streamgages. Most of the wells were measured annually or one time, after installation, but some wells were measured more than one time in a year and a small number of wells were measured continually. Streamgages were typically operated continuously. The potentiometric surface map for 2016 was created as part of the U.S. Geological Survey (USGS) Water Availability and Use Science Program to support investigations that characterize... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arkansas, Illinois, Kentucky, LMG, Louisiana, All tags... Lower Mississippi Gulf Water Science Center, MAP, MRVA aquifer, Mississippi, Mississippi Alluvial Plain, Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, U.S. Geological Survey, U.S.Geological Survey, USGS, Water Availability and Use Science Program, aquifers, geoscientificInformation, ground water, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, water table, Fewer tags (a) Groundwater altitude data, from monitoring-networks wells, considered for the potentiometric surface map, Mississippi River Valley alluvial aquifer, spring 2016 A potentiometric surface map for spring 2016 was created for the Mississippi River Valley alluvial (MRVA) aquifer, which was referenced to the North American Vertical Datum of 1988 (NAVD 88), using most of the available groundwater-altitude data from wells and surface-water-altitude data from streamgages. Most of the wells were measured annually or one time, after installation, but some wells were measured more than one time in a year and a small number of wells were measured continually. Streamgages were typically operated continuously. The potentiometric surface map for 2016 was created as part of the U.S. Geological Survey (USGS) Water Availability and Use Science Program to support investigations that characterize... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arkansas, Illinois, Kentucky, LMG, Louisiana, All tags... Lower Mississippi Gulf Water Science Center, MAP, MRVA aquifer, Mississippi, Mississippi Alluvial Plain, Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, U.S. Geological Survey, U.S.Geological Survey, USGS, Water Availability and Use Science Program, aquifers, geoscientificInformation, ground water, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, water table, Fewer tags (d) Spatial data set of the potentiometric surface contours, Mississippi River Valley alluvial aquifer, spring 2016, in feet A potentiometric surface map for spring 2016 was created for the Mississippi River Valley alluvial (MRVA) aquifer, which was referenced to the North American Vertical Datum of 1988 (NAVD 88), using most of the available groundwater-altitude data from wells and surface-water-altitude data from streamgages. Most of the wells were measured annually or one time, after installation, but some wells were measured more than one time in a year and a small number of wells were measured continually. Streamgages were typically operated continuously. The potentiometric surface map for 2016 was created as part of the U.S. Geological Survey (USGS) Water Availability and Use Science Program to support investigations that characterize... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arkansas, Illinois, Kentucky, LMG, Louisiana, All tags... Lower Mississippi Gulf Water Science Center, MAP, MRVA aquifer, Mississippi, Mississippi Alluvial Plain, Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, U.S. Geological Survey, U.S.Geological Survey, USGS, Water Availability and Use Science Program, aquifers, geoscientificInformation, ground water, groundwater, groundwater levels, inlandWaters, potentiometric surface, surface-water altitude, water table, Fewer tags b_Surface-water-altitude data, from streamgages, considered for the potentiometric-surface map, Mississippi River Valley alluvial aquifer, spring 2020 This dataset contains surface-water-altitude (SWA) data from streamgages that were used or considered (indicated by the field USE_2020) to create a potentiometric-surface map for the Mississippi River Valley alluvial aquifer (MRVA) for spring 2020. The SWA data was referenced to the North American Vertical Datum of 1988 (NAVD 88). The streamgages are measured continuously. The streamgage measurement that was used was from early April 2020 and is an estimate of the groundwater altitudes (GWAs) at the gage location. The resultant potentiometric-surface contours and raster represents the generalized central tendency for spring 2020, but it would not be useful for some purposes, such as for calibration of a groundwater-flow... Tags: Arkansas, Illinois, Kentucky, Louisiana, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, aquifer, geoscientificInformation, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, surface-water altitude, water table, Fewer tags Datasets used to map the potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2018 A potentiometric-surface map for spring 2018 was created for the Mississippi River Valley alluvial (MRVA) aquifer, which was referenced to the North American Vertical Datum of 1988 (NAVD 88), using most of the available groundwater-altitude data from wells and surface-water-altitude data from streamgages. Most of the wells were measured annually or one time, after installation, but some wells were measured more than one time in a year and a small number of wells were measured continually. Streamgages were typically operated continuously. The potentiometric-surface map for 2018 was created as part of the U.S. Geological Survey (USGS) Water Availability and Use Science Program to support investigations that characterize... Tags: Hydrology, USGS Science Data Catalog (SDC), Water Resources Datasets of depth to water, spring 2016, 2018, and 2020, and spring-to-spring water-level change 2016-18, 2018-20, and 2016-20, Mississippi River Valley alluvial aquifer This data release consists of 4 data sets--rasters of generalized depth to water in the Mississippi River Valley alluvial aquifer (MRVA) in spring 2016, 2018, and 2020 and a point file of the wells with water-level measurements used to create the depth to water rasters and, for each well with applicable data, the values of water-level change from spring 2016 to spring 2018, spring 2018 to spring 2020, and spring 2016 to spring 2020. The MRVA underlies parts of seven states, including Arkansas, Illinois, Kentucky, Louisiana, Missouri, Mississippi, and Tennessee These data sets were created to characterize the depth to water in the MRVA and the value of water-level change at each well with the applicable data. These... Tags: USGS Science Data Catalog (SDC) d1_Potentiometric surface, Mississippi River Valley alluvial aquifer, spring 2020, raster format, in feet This dataset is the raster, in feet, of the potentiometric-surface map, spring 2020, Mississippi River Valley alluvial aquifer (MRVA). The raster cell size is 1,000 meters; the raster altitude data was referenced to the North American Vertical Datum of 1988 (NAVD 88). The raster was interpolated using (1) most of the available groundwater-altitude (GWA) data from wells and surface-water-altitude (SWA) data from streamgages, and (2) potentiometric-surface contours. Tags: Arkansas, Illinois, Kentucky, Louisiana, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Delta, Mississippi River Valley alluvial aquifer, Missouri, Tennessee, aquifer, farming, groundwater, groundwater altitude, groundwater levels, inlandWaters, potentiometric surface, surface-water altitude, water table, Fewer tags 1 2 »