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# Explore Search: Electromagnetic Geophysics

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Data Release        April 24, 2024        Airborne electromagnetic, magnetic, and radiometric surveys of the Mississippi Alluvial Plain and Chicot Aquifer System, March 2018 and May - August 2021

publication        December 31, 2023        Advancing subsurface investigations beyond the borehole with passive seismic horizontal-to-vertical spectral ratio and electromagnetic geophysical methods at transportation infrastructure sites in New Hampshire

publication        March 25, 2008        Geophysical characterization of the American River levees, Sacramento, California, with electromagnetics, capacitively coupled resistivity, and DC resistivity

Data Release        January 30, 2024        Airborne electromagnetic and magnetic survey of Delaware Bay and surrounding regions of New Jersey and Delaware, 2022

Data Release        January 12, 2023        Airborne electromagnetic and magnetic survey data, Silverton, Colorado, 2019

Data Release        February 2, 2023        Airborne Electromagnetic (AEM) Survey in Southwest and Southeast Areas, Wisconsin, 2022

Photography        March 8, 2022        Helicopter starting liftoff towing hoop for airborne electromagnetic (AEM) survey 2022

publication        January 1, 2011        Airborne electromagnetic and magnetic geophysical survey data of the Yukon Flats and Fort Wainwright areas, central Alaska, June 2010

publication        January 1, 1998        An electromagnetic geophysical survey of the freshwater lens of Isla de Mona, Puerto Rico

Data Release        July 1, 2019        Ground-based time-domain electromagnetic data and resistivity models for the Mississippi Alluvial Plain Project

Photography        May 1, 2006        Electromagnetic Survey

Photography        March 1, 2008        Electromagnetic Survey

Data Release        March 8, 2024        Time Domain Electromagnetic Soundings at Dering Harbor, Shelter Island, NY

publication        January 20, 2024        Hybrid CPU-GPU solution to regularized divergence-free curl-curl equations for electromagnetic inversion problems

Data Release        March 26, 2024        Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, Mississippi Embayment, and Gulf Coastal Plain, September 2021 - January 2022

B-roll        March 8, 2022        Southern Wisconsin Airborne Electromagnetic Survey 2022

Photography        April 22, 2008        USGS Training on Borehole Geophysical Logging

Photography        April 19, 2022        USGS Hydrologist Conducts FloaTEM Geophysical Survey on River

publication        February 15, 2011        Helicopter electromagnetic and magnetic geophysical survey data, Swedeburg and Sprague study areas, eastern Nebraska, May 2009

publication        November 23, 2011        Helicopter electromagnetic and magnetic geophysical survey data, Hunton anticline, south-central Oklahoma

publication        November 26, 2021        Permafrost characterization and feature identification using public domain airborne electromagnetic data, interior Alaska

publication        March 19, 2011        Geophysical investigation of Red Devil mine using direct-current resistivity and electromagnetic induction, Red Devil, Alaska, August 2010

Data Release        January 4, 2022        Electrical and electromagnetic geophysical surveys at Jim Woodruff Lock and Dam, Chattahoochee, Florida, March 2018

publication        December 14, 2010        Helicopter electromagnetic and magnetic geophysical survey data, portions of the North Platte and South Platte Natural Resources Districts, western Nebraska, May 2009

B-roll        December 28, 2021        Northeast Wisconsin Airborne Electromagnetic Survey 2021 - Panoramic view of equipment on ground

Featured Films and Shorts        May 20, 2015        USGS Geophysical Field Experience 2015

Software Release        June 30, 2022        GSpy: Geophysical Data Standard in Python

Data Release        February 25, 2020        Ground-based electromagnetic survey, Shellmound, Mississippi, October 2018

Photography        December 31, 2015        RESOLVE Helicopter's Airborne Electromagnetic “Bird"

Featured Films and Shorts        July 19, 2023        NGWOS AEMs For Illinois - Aerially Mapping the Illinois River Basin

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