Search Data.gov
Found 397 dataset(s) matching "tracer data".
-
An investigation was done by the U.S. Geological Survey, in cooperation with the California State Water Resources Control Board's Program of Regional Groundwater Monitoring of Water Quality in...
-
These data were collected during a travel time and dissolved oxygen study along a 1-mile reach of the Blue River downstream from 58th Street in Kansas City, Missouri. The study was a cooperative...
-
GC-MS chromatograms from chamber and field studies were generated in this study. This dataset is associated with the following publication: Jaoui, M., R. Szmigielski, K. Nestorowicz, A....
-
This dataset contains reconstructed 'pseudo' wintertime observations of surface pCO2 for the Southern Ocean south of the Antarctic Polar Front from 2004-01-01 to 2018-12-31. The pseudo...
-
This dataset provides groundwater ages estimates that were used in an assessment of the penetration depth of modern groundwater in the Central Valley aquifer system (CVAL). Groundwater ages were...
-
The dataset contains Rare Earth Element concentration data in groundwater at various sites in the United States where in-situ remediation technologies are used for site management. This dataset...
-
Green and others (2021) developed a gradient boosted regression tree model to predict the mean groundwater age, or travel time, for shallow wells across a portion of the Great Lakes basin in the...
-
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>As the outbreak is brought under control and there is a high level of contact tracing capacity, most new positive cases should stem from...
-
An Insitu Level Troll 500 was deployed in the Brandon Road Lock chamber (BRLD) near Rockdale, Illinois between 12:09 Central Daylight Time (CDT) on October 19, 2015 and 14:57 CDT October 21, 2015...
-
The Finite Volume Coastal Ocean Model (FVCOM) was applied over the northern Gulf of Mexico continental shelf that includes Barataria Basin and the Gulf Intracoastal Waterway (GIWW) to simulate...
-
Data in this data release were obtained for water samples collected under Yellowstone National Park Research Permit YELL-05194 in 2017 through the Integrated Yellowstone Studies Project funded by...
-
The report details a thermal circulation test at Red Raider #2 at the Oil Field Technology Center (OTC) involving staged hot water injections and distributed temperature sensing (DTS) fiber optic...
-
This dataset comprises of a series of hydrographic sections conducted 1-2 times annually between Oct 2001 and May 2014, along a line (Line-W) extending from the continental shelf south of New...
-
Radiogenic isotopes of strontium and uranium (87Sr/86Sr and 234U/238U) are useful tracers of water-rock interactions. Sr isotopic signatures in groundwater are derived by dissolution or exchange...
-
This data release documents two Microsoft Excel tables; one contains data for understanding groundwater ages in the Spanish Valley watershed, and one that describe the data fields. Mean ages and...
-
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Mean number of close contacts provided tells us how willing people are to tell contact tracers about people they have been in contact with during...
-
As part of the California State Water Resources Control Board’s Oil and Gas Regional Monitoring Program , the U.S. Geological Survey collected groundwater and quality-control (QC) samples during...
-
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Percent cases who provide close contact information tells us how willing people are to tell contact tracers about people they have been in contact...
-
This data release documents three Microsoft Excel tables (and corresponding comma separated data files) that contain estimates of tritium in precipitation data for the continental United States....
-
Two-dimensional variably saturated heat and flow models (VS2DH) were used to examine seepage rates at 19 transects in the Truckee Canal system during the 2018 and 2019 irrigation seasons. The...
