Found 86 datasets matching "ERT".
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This repository contains the electrical resistivity tomography (ERT) monitoring data that was collected before, during, and after shear stimulation attempts were conducted at EGS Collab. These...
Search relevance: 132.43 | Views last month: 1 -
Along-shore surface-based 2D electrical resistivity tomography (ERT) surveys were collected in the nearshore region of Makua, Kauai.
Search relevance: 114.53 | Views last month: 0 -
Surface-based 2D electrical resistivity tomography (ERT) surveys were used to investigate the distribution of permafrost at wetland sites on the alluvial plain north of the Tanana River, 20 km...
Search relevance: 113.22 | Views last month: 0 -
Surface-based 2D electrical resistivity tomography (ERT) surveys were used to investigate the distribution of permafrost at wetland sites on the alluvial plain north of the Tanana River, 20 km...
Search relevance: 113.03 | Views last month: 0 -
Surface electrical resistivity tomography (ERT), electromagnetic induction (EMI), and self-potential (SP) data were acquired March 9 - 20, 2018 by the U.S. Geological Survey (USGS), in...
Search relevance: 110.20 | Views last month: 13 -
This data submission includes the raw time-lapse ERT (electrical resistivity tomography) monitoring data, flow system data, operator logs, E4D (https://e4d.pnnl.gov) inversion files, and metadata...
Search relevance: 105.76 | Views last month: 0 -
Geophysical measurements were collected by the U.S. Geological Survey (USGS) at five sites in Interior Alaska in September 2021 for the purposes of imaging permafrost structure and quantifying...
Search relevance: 94.88 | Views last month: 0 -
Electrical resistivity tomography (ERT) surveys were collected in April 2015 to support hydrogeologic characterization of the alluvial aquifer and to assess the suitability of larger-scale...
Search relevance: 93.60 | Views last month: 0 -
In June 2018, U.S. Geological Survey (USGS) in cooperation with the U.S. Environmental Protection Agency (EPA) collected geophysical measurements to help evaluate the suitability of a proposed...
Search relevance: 92.49 | Views last month: 0 -
Geophysical measurements and related field data were collected by the U.S. Geological Survey (USGS) at the Alaska Peatland Experiment (APEX) site in Interior Alaska from 2018 to 2020 to...
Search relevance: 91.31 | Views last month: 0 -
On May 10, 2017 an electrical resistivity tomography (ERT) profile was collected on the land along the gravel path between the water and the slime impoundment associated with the former mine...
Search relevance: 90.79 | Views last month: 0 -
Electrical resistivity tomography (ERT) surveys were collected in summer 2018 to support hydrogeologic characterization of the alluvial aquifer. For this investigation, 7 surveys were conducted...
Search relevance: 87.56 | Views last month: 0 -
In June 2017, U.S. Geological Survey (USGS) collected geophysical measurements to help map variations in electrical properties to infer shallow flowpaths and storage zones influenced by residual...
Search relevance: 87.14 | Views last month: 1 -
The U.S. Geological Survey, in cooperation with the U.S. Air Force Civil Engineer Center, used surface geophysical methods to delineate the top of the Cretaceous Pierre Shale along survey...
Search relevance: 85.34 | Views last month: 0 -
The data are ground penetrating radar, electrical resistivity, and interpretation data. This dataset is not publicly accessible because: Secondary data, not EPA data. It can be accessed through...
Search relevance: 84.52 | Views last month: 1 -
Fire can be a significant driver of permafrost change in boreal landscapes, altering the availability of soil carbon and nutrients that have important implications for future climate and...
Search relevance: 82.09 | Views last month: 2 -
Fire can be a significant driver of permafrost change in boreal landscapes, altering the availability of soil carbon and nutrients that have important implications for future climate and...
Search relevance: 79.79 | Views last month: 0 -
The U.S. Geological Survey, in cooperation with the Air Force Civil Engineering Center, investigated the use of surface geophysical surveys to delineate the top of the Cretaceous Pierre Shale...
Search relevance: 76.39 | Views last month: 0 -
This data release contains electrical resistivity tomography (ERT) and frequency domain electromagnetic (FDEM) data collected in areas of unwalled shoreline at the Bremerton Naval Complex, WA,...
Search relevance: 72.16 | Views last month: 0 -
The electrical conductivity of the earth is used to help infer lithological and pore fluid properties. Various geophysical methods can provide estimates of the distribution of below ground...
Search relevance: 69.77 | Views last month: 1
