Data Releases
The data collected and the techniques used by USGS scientists should conform to or reference national and international standards and protocols if they exist and when they are relevant and appropriate. For datasets of a given type, and if national or international metadata standards exist, the data are indexed with metadata that facilitates access and integration.
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Data release for An early Holocene wet period from the southwestern U.S. Data release for An early Holocene wet period from the southwestern U.S.
Multiple generations of spring-fed streams traversed ~800 km2 of the Las Vegas Valley in southern Nevada between ~10.9 and 8.5 ka, depositing an extensive tufa network. The scale of this network and diversity of tufa morphologies is novel in North America and offers an opportunity to obtain quantitative paleoclimate data for the region during the early Holocene. We determined isotopic...
Summary of variations of specific conductance with altitude for selected groundwater monitoring wells, Saipan, Commonwealth of the Northern Mariana Islands Summary of variations of specific conductance with altitude for selected groundwater monitoring wells, Saipan, Commonwealth of the Northern Mariana Islands
This data release includes tabular summaries of specific conductance, temperature, and altitude (depth; CTD) and plots of specific conductance versus altitude at selected groundwater monitoring wells during July 2018–July 2024. The tabular summaries were developed using data retrieved from GeoLog Locator, an online database for quality-assured borehole geophysical data and accessible at...
Data release for a 3-hour, 1-km surface soil moisture dataset for the contiguous United States from 2015 to 2023 Data release for a 3-hour, 1-km surface soil moisture dataset for the contiguous United States from 2015 to 2023
We simulated a 3-hour, 1-km spatially seamless surface soil moisture (SSM) dataset (called STF_SSM) in the Contiguous United States (CONUS) using a virtual image pair-based spatio-temporal fusion method. This proposed approach effectively fuses the distinct advantages of two long-term SSM datasets, namely, the Soil Moisture Active Passive (SMAP) L4 SSM product and the Crop Condition and...
Magnetic susceptibility, color spectrophotometry, X-ray fluorescence (XRF), and particle size data of the 102-foot NJ-GSA sediment core from Great Swamp National Wildlife Refuge, Morris County, New Jersey Magnetic susceptibility, color spectrophotometry, X-ray fluorescence (XRF), and particle size data of the 102-foot NJ-GSA sediment core from Great Swamp National Wildlife Refuge, Morris County, New Jersey
Analyses were conducted in 2025 to examine glaciolacustrine rhythmic laminations interpreted as annual layers (varves) in a sediment core collected from Great Swamp National Wildlife Refuge in Morris County, New Jersey in 2010. The dataset includes results from portable X-ray fluorescence (pXRF), particle size analysis (PSA), color spectrophotometry, and magnetic susceptibility. The core
Two 2-Dimensional models patterned after the Barends analytical solution for verifying the accuracy of the new Groundwater Energy (GWE) Transport model built for the MODFLOW 6 hydrologic simulator Two 2-Dimensional models patterned after the Barends analytical solution for verifying the accuracy of the new Groundwater Energy (GWE) Transport model built for the MODFLOW 6 hydrologic simulator
This data release contains two MODFLOW 6 simulations. Each simulation contains one groundwater flow (GWF) model and one groundwater energy (heat) (GWE) transport model. The GWF and GWE models are constructed to match the setup of the Barends analytical solution for two-dimensional heat transport. This allows the accuracy of the new GWE model to be verified so existing and prospective...
Raccourci Lake and Island, Louisiana, sediment particle size analysis and geophysical transforms Raccourci Lake and Island, Louisiana, sediment particle size analysis and geophysical transforms
These data were collected as part of a cooperative study with the U.S. Army Corps of Engineers investigating deposition patterns within Raccourci Lake and Island, Louisiana. Samples of sediment were collected from four cores taken to a depth of 30-40 feet on Raccourci Island using a geotechnical drill rig with resistivity analysis capabilities. Subsamples of the core were analyzed for...