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This dataset is related to a 2017 journal article by A. J. Pietruszka and L. A. Neymark titled "Evaluation of laser ablation double-focusing SC-ICPMS for “common” lead isotopic measurements in silicate glasses and minerals" that is published in the Journal of Analytical Atomic Spectrometry (doi:10.1039/c7ja00005g).
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The Los Angeles Coastal Plain (LACP) covers about 580 square miles and is the largest coastal plain of semiarid southern California. The LACP is heavily developed with mostly residential, commercial, and industrial land uses that rely heavily on groundwater for water supply. In 2010, the LACP was home to about 14 percent of California’s population and is also a major commercial and industrial hub. There has been a heavy reliance on groundwater from the LACP for many years. Managed aquifer recharge from the spreading grounds and barrier wells is now a substantial component of the LACP’s groundwater supply. The U.S. Geological Survey (USGS) conducted a study in cooperation with the Water Replenishment District of...
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The U.S. Geological Survey (USGS), in cooperation with the Water Replenishment District of Southern California, developed a regional groundwater model of the Los Angeles Coastal Plain (LACP) incorporating new data, analyses, and modeling tools to better understand the hydrogeology of the groundwater basins. The LACP covers about 580 square miles and is the largest coastal plain of semiarid southern California. This aquifer is heavily developed with mostly residential, commercial, and industrial use and relies heavily on groundwater for its water supply. There has been a heavy reliance on groundwater from the LACP for many years. The need to replenish the groundwater basins within the LACP was recognized as far back...
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These data include pumping, injection, and water spreading input data for the MODFLOW-6 extension and update to Los Angeles Coastal Plain Groundwater Model (LACPGM-MF6) for the years 2016-2020. The LACPGM-MF6 required model inputs to represent groundwater injection, groundwater extraction, and water spreading. Extended datasets include four barrier project injection rates, two groundwater production extraction rates, and one water spreading infiltration rates. The data were made available by the two local water agencies, Water Resources Division of Los Angeles and the Orange County Water District. Spreading data were formatted for the MODFLOW-6 well package and both injection and extraction data were formatted for...
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This data release includes 40Ar/39Ar intercalibration data from the U.S. Geological Survey for neutron fluence monitors HD-B1 (Heidelberg biotite) and FCs (Fish Canyon sanidine). Potassium-bearing mineral grains were analyzed by argon geochronology at the U.S. Geological Survey Argon Geochronology Laboratory in Denver, Colorado. These data provide intercalibration information between the two fluence monitors.
map background search result map search result map Common lead isotopic measurements in silicate glasses and minerals by laser ablation double-focusing SC-ICPMS (2017) USGS 1:24000-scale Quadrangle for Lakewood, NJ 1947 USGS 1:24000-scale Quadrangle for Lakewood, NJ 1954 USGS 1:24000-scale Quadrangle for Lakewood, NJ 1989 USGS 1:24000-scale Quadrangle for Lakewood, NJ 1995 USGS 1:24000-scale Quadrangle for Lakewood, OH 1963 USGS 1:24000-scale Quadrangle for Lakewood, OH 1963 USGS 1:24000-scale Quadrangle for Lakewood, OH 1963 USGS 1:24000-scale Quadrangle for Lakewood, OH 1994 USGS 1:24000-scale Quadrangle for Lakewood, IL 1981 USGS 1:24000-scale Quadrangle for Lakewood, MN 1953 USGS 1:24000-scale Quadrangle for Lakewood, MN 1953 USGS 1:24000-scale Quadrangle for Lakewood, MN 1992 USGS 1:24000-scale Quadrangle for Lakewood, NY 1954 USGS 1:24000-scale Quadrangle for Lakewood, NY 1954 USGS 1:24000-scale Quadrangle for Lakewood, IL 1998 Argon data for HD-B1 intercalibration MODFLOW-6 model to update and extend the Los Angeles Coastal Plain Groundwater Model Pumping, Injection, and Water Spreading Model Input for the Los Angeles Coastal Plain Groundwater Model - MF6 MODFLOW-USG model used to evaluate water management issues in the Los Angeles Coastal Plain, California Argon data for HD-B1 intercalibration USGS 1:24000-scale Quadrangle for Lakewood, NJ 1947 USGS 1:24000-scale Quadrangle for Lakewood, NJ 1954 USGS 1:24000-scale Quadrangle for Lakewood, NJ 1989 USGS 1:24000-scale Quadrangle for Lakewood, NJ 1995 USGS 1:24000-scale Quadrangle for Lakewood, OH 1963 USGS 1:24000-scale Quadrangle for Lakewood, OH 1963 USGS 1:24000-scale Quadrangle for Lakewood, OH 1963 USGS 1:24000-scale Quadrangle for Lakewood, OH 1994 USGS 1:24000-scale Quadrangle for Lakewood, IL 1981 USGS 1:24000-scale Quadrangle for Lakewood, MN 1953 USGS 1:24000-scale Quadrangle for Lakewood, MN 1953 USGS 1:24000-scale Quadrangle for Lakewood, MN 1992 USGS 1:24000-scale Quadrangle for Lakewood, NY 1954 USGS 1:24000-scale Quadrangle for Lakewood, NY 1954 USGS 1:24000-scale Quadrangle for Lakewood, IL 1998 MODFLOW-6 model to update and extend the Los Angeles Coastal Plain Groundwater Model Pumping, Injection, and Water Spreading Model Input for the Los Angeles Coastal Plain Groundwater Model - MF6 MODFLOW-USG model used to evaluate water management issues in the Los Angeles Coastal Plain, California