Found 56 datasets matching "age estimation methods".
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Find state-level estimates for 38 measures of substance use and mental health from the 2022-2023 National Surveys on Drug Use and Health (NSDUH). These estimates are based on small area estimation...
Search relevance: 58.11 | Views last month: 37 -
View national maps covering 35 measures of substance use and mental health by age group and state. The maps are based on the 2021-2022 National Surveys on Drug Use and Health (NSDUH). They use...
Search relevance: 56.39 | Views last month: 0 -
The spiny dogfish (Squalus suckleyi, formerly Squalus acanthias, Ebert et al. 2010) is a small, long-lived and slow-growing shark, which is vulnerable to overfishing. Current methods for aging...
Search relevance: 55.94 | Views last month: 0 -
Browse state-level percentage estimates based on the 2022-2023 National Surveys on Drug Use and Health (NSDUH). The 41 tables include estimates for measures of both substance use and mental...
Search relevance: 55.23 | Views last month: 9 -
Age estimates of Lake Superior Kiyi (Coregonus kiyi) from scales and otoliths were compared from fish collected in 2014 and 12 years (2003–2014) of length frequency data were examined to assess...
Search relevance: 54.13 | Views last month: 0 -
This data release includes geochronological data for the Airport East trench site (40.795359°, -111.950438°) on the Taylorsville fault of the West Valley fault zone (WVFZ). The WVFZ comprises...
Search relevance: 49.14 | Views last month: 0 -
Browse population estimates based on the 2022-2023 National Surveys on Drug Use and Health (NSDUH) for each state and region. There are four tables for each geographic area, which present...
Search relevance: 48.11 | Views last month: 3 -
Browse population estimates based on the 2021-2022 National Surveys on Drug Use and Health (NSDUH) for each state and region. There are four tables for each geographic area, which present...
Search relevance: 47.86 | Views last month: 1 -
Measurement of skull ossification patterns is a standard method for aging various mammalian species and has been used to age Russian, Californian, and Alaskan sea otter populations. Cementum...
Search relevance: 47.52 | Views last month: 0 -
This data release includes geochronological data for a natural exposure of the Wasatch fault, Utah at the Deep Creek site (39.507462°, -111.861790°). Laboratory data include 11 optically...
Search relevance: 47.15 | Views last month: 0 -
Stone rows, enclosures, structures and chambers can be found in the landscapes of Massachusetts and Rhode Island. Structures similar to those shown in the cover photo are documented elsewhere. The...
Search relevance: 47.15 | Views last month: 0 -
This data release describes one (1) Microsoft Excel table of lumped parameter models of groundwater age for groundwater discharging to the South Loup River, Nebraska. The table (LPMAgeResults)...
Search relevance: 46.65 | Views last month: 0 -
The following report summarizes the dating results from the Natural Trap Cave 2018-2019 dating project. Within this report, we detail the methodology used by the USGS Luminescence Geochronology...
Search relevance: 46.65 | Views last month: 0 -
Burnsville Cove in Bath and Highland Counties (Virginia, USA) is a karst region in the Valley and Ridge Province of the Appalachian Mountains. The region contains many caves in Silurian to...
Search relevance: 46.58 | Views last month: 2 -
Observations of widespread liquefaction and stratigraphic and structural relationships in a trench across an ambiguous scarp are used to constrain the timing of Holocene earthquakes on the...
Search relevance: 46.49 | Views last month: 0 -
The data release includes 35 new luminescence ages and 3 new radiocarbon ages. The new age data further brackets the ages of the Las Vegas basin Quaternary stratigraphy and provide new constraints...
Search relevance: 45.56 | Views last month: 0 -
The following report summarizes the dating results from the. Within this report, we detail the methodology used to determine the storage time distribution for a 17 km length of Powder River in...
Search relevance: 45.56 | Views last month: 0 -
La Botica is positioned on a topographic bench sharply inset into the gentle eastern slope of the high San Juan Mountains and perched ~70-80 meters above La Jara Creek (fig. 1), a tributary to the...
Search relevance: 45.56 | Views last month: 0 -
Despite its subdued expression and isolated location within the Great Plains of southeastern Colorado, the 80-km-long Cheraw fault may be one of the most active faults in North America east of the...
Search relevance: 45.42 | Views last month: 2 -
The following report summarizes the dating results from Bradley Lake, Oregon. Within this report, we detail the methodology used by the USGS Luminescence Geochronology Laboratory to obtain ages...
Search relevance: 45.24 | Views last month: 1