• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

In conjunction with geologic mapping of four 7.5′ quadrangles along the South Platte River corridor in northeastern Colorado (Masters, Orchard, Weldona, and Fort Morgan), geochronology samples...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2015-10-09T00:00:00.000+00:00

Fish age validation with bomb-produced radiocarbon (14C) requires a known-age Delta14C reference chronology spanning the era of a marine increase in bomb-produced 14C (1950s to 1960s). Concordance...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2015-10-01T00:00:00.000+00:00

Fish age validation with bomb-produced radiocarbon (14C) requires a known-age Delta14C reference chronology spanning the era of a marine increase in bomb-produced 14C (1950s to 1960s). Concordance...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-03-20T00:00:00.000+00:00

This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-01-01T00:00:00.000+00:00

The longevity of blue marlin (Makaira nigricans) remains unresolved. The use of fin spines and sagittal otoliths for age reading has led to unconfirmed longevity estimates near 20–30 years. Age...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-01-01T00:00:00.000+00:00

Corals of the Hawaiian Archipelago are well situated in the North Pacific Gyre (NPG) to record how bomb-produced radiocarbon (14C) has been sequestered and transported by the sea. While this...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

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...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Thyroid hormones are well known modulators of signal transduction. The effect of hyper- and hypo-thyroidism on diacylglycerol/protein kinase C (DAG/PKC) signaling in...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set reports the ages and growth rates of trees determined by radiocarbon dating (14C) in three Amazonia forests. Tree samples were collected from permanent research plots at ZF2 km 34,...

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• Organization: Department of the Interior
• Updated: 2020-08-26T00:00:00Z

This data release documents eight Microsoft Excel tables; four which contain data for understanding groundwater ages in the South East Coastal Plain (SECP), Coastal Lowlands (CLOW) and Mississippi...

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• Organization: Department of the Interior
• Updated: 2023-04-25T00:00:00Z

We computed mean groundwater ages and age distributions at eight wells by calibrating lumped parameter models (LPMs) to concentrations of tracers (3H, CFCs, SF6) in samples using the computer...

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• Organization: Department of the Interior
• Updated: 2022-07-07T00:00:00Z

This data release documents seven tables that contain environmental tracer data and lumped parameter model (LPM) results that are used for assessing the distribution of groundwater age in 23...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

Radiocarbon dating of silicified wood was performed at the U.S. Geological Survey’s Radiocarbon Laboratory in Denver, Colorado. All samples were chemically treated using the standard...

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• Organization: Department of the Interior
• Updated: 2020-08-31T00:00:00Z

Note: No formal accuracy tests were conducted and these data are disseminated to allow discussion related to methods. Sample Analyses: Samples were processed at both the USGS in Menlo Park, CA,...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The BOREAS TGB-12 team made measurements of soil carbon inventories, carbon concentration in soil gases, and rates of soil respiration at several sites to estimate the rates of carbon accumulation...

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• Organization: Department of the Interior
• Updated: 2024-03-13T00:00:00Z

Water and gas chemistry data from: Mariner, R.H., Evans, W.C., and Young, H.W., 2006. Comparison of circulation times of thermal waters discharging from the Idaho batholith based on geothermometer...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The BOREAS TGB-12 team made measurements of soil carbon inventories, carbon concentration in soil gases, and rates of soil respiration at several sites to estimate the rates of carbon accumulation...

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• Organization: Department of the Interior
• Updated: 2024-09-04T00:00:00Z

Samples of silicified wood remnants from 8 trees were collected under research permit YELL-SCI-8030 on June 17, 2023, and on September 19, 2023 adjacent to Artemisia Geyser in the Upper Geyser...

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• Organization: Department of the Interior
• Updated: 2020-08-26T00:00:00Z

Continuous monitoring and discrete water-quality sampling were coupled in a karst aquifer to assess drivers and timescales of water-quality change. Water-quality data included environmental...

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• Organization: Department of the Interior
• Updated: 2020-08-26T00:00:00Z

Water samples from 50 domestic wells located <1 kilometer (km) (proximal) and >1 km (distal) from shale-gas wells in upland areas of the Marcellus Shale region were analyzed for chemical, isotopic...

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