Results 1 to 10 of about 190,264 (315)
International Journal of Digital Curation, 2021 As Federal Government agencies in the United States pivot to increase access to scientific data (Sheehan, 2016), the U.S. Geological Survey (USGS) has made substantial progress (Kriesberg et al., 2017).
Vivian B. Hutchison +6 more
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A tale of two valleys: endangered species policy and the fate of the giant gartersnake
California Fish and Wildlife Journal, 2021 By the mid-20th Century, giant gartersnakes (Thamnophis gigas) had lost more than 90% of their Central Valley marsh habitat and were extirpated from more than two-thirds of their range.
Brian J. Halstead +10 more
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Scientific Reports, 2022 To determine the heavy metal(loid)s (HMs) contamination of agricultural soil in hotbed chives hometown of Tangchang, 788 topsoil samples were collected and analyzed for their heavy metal(loid)s concentration.
Cang Gong +7 more
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Geochemical Transactions, 2020 The study presented in this work emerged as a result of a multiyear regional geochemical survey based on low-density topsoil sampling and the ensuing geochemical atlas of Croatia.
Ozren Hasan +6 more
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Energies, 2018 Three hundred gas samples recovered from SHSC-4 during China’s first gas hydrate production test in the South China Sea were examined for gas component and isotopic composition. According to the gas chromatography analysis, all the gas samples from
Jianliang Ye +10 more
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Experimental Study on the Propagation Characteristics of Hydraulic Fracture in Clayey-Silt Sediments
Geofluids, 2021 The low permeability of clayey-silt hydrate reservoirs in the South China Sea affects the thermal and pressure conductivity of the reservoir, which is difficult to spread to the far end of the wellbore and achieve commercial gas production.
Cheng Lu +8 more
doaj +1 more source
Keynote lecture. Forecasting the inundation of postfire debris flows [PDF]
E3S Web of Conferences, 2023 In the semi-arid regions of the western United States, postfire debris flows are typically runoff generated. The U.S. Geological Survey has been studying the mechanisms of postfire debris-flow initiation for multiple decades to generate operational ...
Barnhart Katherine R. +4 more
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