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Resistivity models Airborne electromagnetic (AEM) and magnetic survey data were collected during March 2018 along 1,637 line kilometers over the western Hualapai Indian Reservation and surrounding areas. The survey was conducted as part of a study of the groundwater resources of the Truxton basin and Hualapai Plateau. The survey was designed to improve the understanding of the geometry of major hydrostratigraphic contacts of the study area. Deterministic laterally constrained inversion of the processed AEM data was conducted using the AarhusINV code (Auken and others, 2014) implemented in Aarhus Workbench software (Aarhus Geosoftware, Aarhus, Denmark). Inversion parameters were selected by running a series of test models with varying... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AZWSC, Arizona, Arizona Water Science Center, GGGSC, Geology, Geophysics, and Geochemistry Science Center, All tags... Grand Canyon, Grand Canyon West Airport, Hualapai Indian Reservation, Hualapai Plateau, Hurricane Fault, Mohave County, Music Mountains, Peach Springs, Truxton, Truxton basin, aeromagnetic surveying, electromagnetic surveying, environment, geologic structure, geophysics, geoscientificInformation, geospatial datasets, groundwater, hydrogeology, resistivity, Fewer tags Controlled source audio-frequency magnetotellurics (CSAMT) data from the Sevier Fault near Red Knoll, Kane County, Utah - Inversion Data (ver 2.0, July 2022) Controlled source audio-frequency magnetotellurics (CSAMT) data were collected over the Sevier fault, near Red Knoll in Kane County Utah, to better understand the hydrogeology of the area. CSAMT data provide vertical cross-section (profile) data about the resistivity of the subsurface, which may be related to lithologic boundaries and (or) grain-size distribution in the subsurface. CSAMT involves transmitting a current at various frequencies in one location, and measuring resistivity differences between electrodes spaced along a receiver line several kilometers from the transmitter. Sevier_fault_CSAMT_InversionData.zip: Text files of inverted resistivity values, starting model values, and corresponding x, y, z coordinates.... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona Water Science Center, Kane County, Red Knoll, Sevier Fault, Utah, All tags... electromagnetic surveying, geophysics, hydrogeology, Fewer tags Minimally processed AEM and magnetic data Airborne electromagnetic (AEM) and magnetic survey data were collected during March 2018 along 1,637 line line-kilometers over the western Hualapai Indian Reservation and surrounding areas. The survey was conducted as part of a study of the groundwater resources of the Truxton basin and Hualapai Plateau. The survey was designed to improve the understanding of the geometry of the major hydrostratigraphic contacts of the study area. Data were acquired by SkyTEM ApS with the SkyTEM 312 time-domain helicopter-borne electromagnetic system together with a Geometrics G822A cesium vapor magnetometer. The survey was flown at a nominal flight height of 30 meters (m) above terrain along block-style lines with a nominal spacing... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AZWSC, Arizona, Arizona Water Science Center, GGGSC, Geology, Geophysics, and Geochemistry Science Center, All tags... Grand Canyon, Grand Canyon West Airport, Hualapai Indian Reservation, Hualapai Plateau, Hurricane Fault, Mohave County, Music Mountains, Peach Springs, Truxton, Truxton basin, aeromagnetic surveying, electromagnetic surveying, environment, geologic structure, geophysics, geoscientificInformation, geospatial datasets, groundwater, hydrogeology, resistivity, Fewer tags Airborne electromagnetic and magnetic survey, western Hualapai Indian Reservation near Grand Canyon West and Peach Springs, Arizona, 2018 Airborne electromagnetic (AEM) and magnetic survey data were collected during March 2018 along 1,637 line line-kilometers over the western Hualapai Indian Reservation and surrounding areas. The survey was conducted as part of a study of the groundwater resources of the Truxton basin and Hualapai Plateau. The survey was designed to improve the understanding of the geometry of the major hydrostratigraphic contacts of the study area. Data were acquired by SkyTEM ApS with the SkyTEM 312 time-domain helicopter-borne electromagnetic system together with a Geometrics G822A cesium vapor magnetometer. The survey was flown at a nominal flight height of 30 meters (m) above terrain along block-style lines with a nominal spacing... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AZWSC, Arizona, Arizona Water Science Center, GGGSC, Geology, Geophysics, and Geochemistry Science Center, All tags... Geophysics, Grand Canyon, Grand Canyon West Airport, Hualapai Indian Reservation, Hualapai Plateau, Hurricane Fault, Hydrology, Mohave County, Music Mountains, Peach Springs, Structural Geology, Truxton, Truxton basin, USGS Science Data Catalog (SDC), Water Resources, aeromagnetic surveying, electromagnetic surveying, environment, geologic structure, geophysics, geoscientificInformation, geospatial datasets, groundwater, hydrogeology, resistivity, Fewer tags Controlled source audio-frequency magnetotellurics (CSAMT) data from the Big Chino Wash and Paulden areas, Yavapai County, Arizona Controlled source audio-frequency magnetotellurics (CSAMT) data were collected in the Big Chino Valley and Paulden areas, Yavapai County, Arizona, to better understand the hydrogeology of the area. CSAMT data provide vertical cross-section (profile) data about the resistivity of the subsurface, which may be related to lithologic boundaries and (or) grain-size distribution in the subsurface. CSAMT involves transmitting a current at various frequencies in one location, and measuring resistivity differences between electrodes spaced along a receiver line several kilometers from the transmitter. Data were collected using a GGT-30 transmitter and GDP32-II receiver (Zonge international. Inc.). Data processing and inversions... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Arizona Water Science Center, Big Chino-Williamson Valley, Paulden, USGS Science Data Catalog (SDC), All tags... Upper Verde, Water Resources, Yavapai, electromagnetic surveying, geophysics, geoscientificInformation, hydrogeology, Fewer tags Controlled source audio-frequency magnetotellurics (CSAMT) data from the Sevier fault near Red Knoll, Kane County, Utah - Raw Data (ver 2.0, July 2022) Controlled source audio-frequency magnetotellurics (CSAMT) data were collected over the Sevier fault, near Red Knoll in Kane County Utah, to better understand the hydrogeology of the area. CSAMT data provide vertical cross-section (profile) data about the resistivity of the subsurface, which may be related to lithologic boundaries and (or) grain-size distribution in the subsurface. CSAMT involves transmitting a current at various frequencies in one location, and measuring resistivity differences between electrodes spaced along a receiver line several kilometers from the transmitter. Sevier_fault_CSAMT_RawData.zip: These are text files output by the data-collection instrument (GDP-32, Zonge International, Inc.) used... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona Water Science Center, Kane County, Red Knoll, Sevier Fault, Utah, All tags... electromagnetic surveying, geophysics, hydrogeology, Fewer tags Controlled source audio-frequency magnetotellurics (CSAMT) data from the Big Chino Wash and Paulden areas, Yavapai County, Arizona - Station Data Controlled source audio-frequency magnetotellurics (CSAMT) data were collected in the Big Chino Valley and Paulden areas, Yavapai County, Arizona, to better understand the hydrogeology of the area. CSAMT data provide vertical cross-section (profile) data about the resistivity of the subsurface, which may be related to lithologic boundaries and (or) grain-size distribution in the subsurface. CSAMT involves transmitting a current at various frequencies in one location, and measuring resistivity differences between electrodes spaced along a receiver line several kilometers from the transmitter. Data were collected using a GGT-30 transmitter and GDP32-II receiver (Zonge international. Inc.). Data processing and inversions... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Arizona Water Science Center, Big Chino-Williamson Valley, Paulden, Upper Verde, All tags... Yavapai, electromagnetic surveying, geophysics, geoscientificInformation, hydrogeology, Fewer tags Processed AEM data Airborne electromagnetic (AEM) and magnetic survey data were collected during March 2018 along 1,637 line kilometers over the western Hualapai Reservation and surrounding areas. The survey was conducted as part of a study of the groundwater resources of the Truxton basin and Hualapai Plateau. The survey was designed to improve our understanding of the geometry the major hydrostratigraphic contacts and regional-scale geologic structures of the study area. Minimally processed binary AEM data received from the contractor were imported into the Aarhus Workbench software (Aarhus Geosoftware, Aarhus, Denmark) and processed. Filters were applied to inclinometer and spatial positioning data to smooth raw data and remove... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AZWSC, Arizona, Arizona Water Science Center, GGGSC, Geology, Geophysics, and Geochemistry Science Center, All tags... Grand Canyon, Grand Canyon West Airport, Hualapai Indian Reservation, Hualapai Plateau, Hurricane Fault, Mohave County, Music Mountains, Peach Springs, Truxton, Truxton Basin, Truxton Valley, aeromagnetic surveying, electromagnetic surveying, environment, geologic structure, geophysics, geoscientificInformation, geospatial datasets, groundwater, hydrogeology, resistivity, Fewer tags Controlled source audio-frequency magnetotellurics (CSAMT) data from the Sevier fault near Red Knoll, Kane County, Utah (ver. 2.0, July 2022) Controlled source audio-frequency magnetotellurics (CSAMT) data were collected over the Sevier fault, near Red Knoll in Kane county Utah, to better understand the hydrogeology of the area. CSAMT data provide vertical cross-section (profile) data about the resistivity of the subsurface, which may be related to lithologic boundaries and (or) grain-size distribution in the subsurface. CSAMT involves transmitting a current at various frequencies in one location, and measuring resistivity differences between electrodes spaced along a receiver line several kilometers from the transmitter. Data were collected using a GGT-30 transmitter and GDP32-II receiver (Zonge international. Inc.). Data processing and inversions were... Categories: Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona Water Science Center, Kane County, Red Knoll, USGS Science Data Catalog (SDC), Utah, All tags... electromagnetic surveying, geophysics, geoscientificInformation, hydrogeology, Fewer tags Controlled source audio-frequency magnetotellurics (CSAMT) data from the Big Chino Wash and Paulden areas, Yavapai County, Arizona - Inversion Data Controlled source audio-frequency magnetotellurics (CSAMT) data were collected in the Big Chino Valley and Paulden areas, Yavapai County, Arizona, to better understand the hydrogeology of the area. CSAMT data provide vertical cross-section (profile) data about the resistivity of the subsurface, which may be related to lithologic boundaries and (or) grain-size distribution in the subsurface. CSAMT involves transmitting a current at various frequencies in one location, and measuring resistivity differences between electrodes spaced along a receiver line several kilometers from the transmitter. . Big_Chino_Valley_CSAMT_InversionData.zip: Text files of inverted resistivity values, starting model values, and corresponding... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Arizona Water Science Center, Big Chino-Williamson Valley, Paulden, Upper Verde, All tags... Yavapai, electromagnetic surveying, geophysics, geoscientificInformation, hydrogeology, Fewer tags DC resistivity data Time-lapse DC resisitivity data were collected to monitor water table position during the 2015 Lower Coloradro River Pulse Flow. Resistivity data are sensitive to water-content change in the subsurface. DC resistivity data were collected at three transects. In the U.S., one transect was located parallel to the channel in the southern limitrophe reach nearby a streamgaging station. In Mexico, two transects were measured, one parallel and one perpendicular to the channel. Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Colorado River Delta, Geophysics, Hydrology Controlled source audio-frequency magnetotellurics (CSAMT) data from the Sevier fault near Red Knoll, Kane County, Utah - Station Data (ver 2.0, July 2022) Controlled source audio-frequency magnetotellurics (CSAMT) data were collected over the Sevier fault near Red Knoll in Kane County Utah, to better understand the hydrogeology of the area. CSAMT data provide vertical cross-section (profile) data about the resistivity of the subsurface, which may be related to lithologic boundaries and (or) grain-size distribution in the subsurface. CSAMT involves transmitting a current at various frequencies in one location, and measuring resistivity differences between electrodes spaced along a receiver line several kilometers from the transmitter. Data were collected using a GGT-30 transmitter and GDP32-II receiver (Zonge international. Inc.). Data processing and inversions were... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona Water Science Center, Kane County, Red Knoll, Sevier Fault, Utah, All tags... electromagnetic surveying, geophysics, hydrogeology, Fewer tags Electrical Resistivity Tomography Data along the Little Colorado River near Leupp, AZ 2019 The Little Colorado River alluvial aquifer near Leupp, Arizona was investigated as a possible source of irrigation water for the Leupp and Birdsprings Chapters of the Navajo Nation. The physical, chemical, and hydraulic characteristics of the alluvial aquifer were studied using geophysical surveys, installation of observation wells, water-level measurements, chemical analyses, groundwater pumping simulations, and review of previous investigations. Geophysical surveys and well borings were used to measure the thickness of the aquifer. Geophysical surveys included Electrical Resistivity Tomography (ERT) to better define the alluvial channel of the Little Colorado River near Leupp. ERT is a commonly used electrical... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Arizona Water Science Center, Geophysics, Hydrology, Leupp, All tags... Little Colorado River, Navajo Nation, USGS Science Data Catalog (SDC), Water Quality, electrical resistivity imaging, electrical resistivity tomography, environment, geophysics, groundwater, hydrogeology, Fewer tags