Data and Tools

Science Datasets

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.

Filter Total Items: 9,080
Date published: September 16, 2019

Watersheds and Select Landscape Attributes for Meadows in the Sierra Nevada, California

This polygon vector dataset represents over 18,000 derived watersheds associated with meadows listed in the Sierra Nevada Meadows Compilation (version 2.0). The watershed polygons are attributed with geology, landform, and fire recurrence interval departure information thought to potentially influence the hydrology of meadows.

Date published: September 16, 2019

Controlled source audio-frequency magnetotellurics (CSAMT) data from the Grand Canyon West and Plain Tank Flat areas of the western Hualapai Reservation, Arizona

Controlled source audio-frequency magnetotellurics (CSAMT) data were collected in the Grand Canyon West and Plain Tank Flat areas of the western Hualapai Reservation, Arizona, to better understand the hydrogeology of the area. CSAMT data provide vertical cross-section (profile) data about the resistivity of the subsurface, which may be related to lithologic boundaries and (or) grain-size...

Date published: September 16, 2019

Temperature thresholds for black mangrove (Avicennia germinans) freeze damage, mortality, and recovery in North America: refining tipping points for range expansion in a warming climate

To advance understanding of mangrove range dynamics in eastern North America, there is a need to refine temperature thresholds for mangrove freeze damage, mortality, and recovery. Here, We integrated data from 38 sites spread across the mangrove range edge in the Gulf of Mexico and Atlantic coasts of the southeastern United States, including data from a regional collaborative network called...

Date published: September 16, 2019

Subset of 8-digit Hydrologic Unit Code (HUC) watershed shapefile for the greater Central Valley, California - Data

This subset of the USGS Water Boundary Dataset contains the polygons of the 50 8-digit Hydrologic Units that comprise the greater Central Valley study site. The Watershed Boundary Dataset is a comprehensive set of digital spatial data that represents the surface drainages areas of the United States. The information included with the features includes a feature date, a unique common identifier...

Date published: September 16, 2019

White sturgeon set line sampling at Ryer Island, Suisun Bay, California, 2017-2018

This dataset includes field data for fishes sampled using set lines deployed quarterly during 2017 and 2018 at Ryer Island, Suisun Bay, California, USA. This data release includes all measured environmental parameters and fish taxa included in the analysis.

Date published: September 16, 2019

Data for ''Co-occurrence and Occupancy Dynamics of Mourning Doves and Eurasian Collared-Doves'

Data on mourning dove and Eurasian collared-dove occurrences, and associated covariates.

Date published: September 16, 2019

Summary of the characteristics of commercial tows passing through the Electrical Dispersal Barrier System on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, October 1, 2017, to September 30, 2018

A motion-activated video camera documented the passage of commercial tows through the Electric Dispersal Barrier System (EDBS) on the Chicago Sanitary and Ship Canal at Romeoville, Illinois, over the period October 1, 2017, to September 30, 2018. Videos were manually screened and analyzed to extract tow characteristics including: date and time of video recording, number and configuration of...

Date published: September 16, 2019

Archival data sets for regressions to estimate continuous streamflow, turbidity, and suspended sediment in support of study evaluating effects of removal of legacy sediment at Big Spring Run, Lancaster County, Pennsylvania, 2009-2015

The stream corridor at the Big Spring Run restoration site has been identified as a substantial source of sediment and nutrients to streams due to streambank erosion and floodplain scour of legacy sediment. Three USGS streamgages were installed and water-quality monitoring began in water year 2009, prior to the legacy sediment removal from the restoration area. The legacy sediment was removed...

Date published: September 12, 2019

Relating tissue egg counts to eggs/g of spleen in Hawaiian green turtles

The present study proposes a new methodology for the quantification of parasite eggs in animal tissue. Quantification of parasites are important to understand epidemiology of spirorchiid infections in sea turtles, however different methodologies for quantifying Spirorchiidae eggs in turtle tissues have been used. The most representative way to quantify Spirorchiidae burdens in tissues is...

Date published: September 12, 2019

U-Pb detrital zircon data for: lower Paleozoic sedimentary rocks near Silverton, CO USA

This Laser ablation ICPMS U-Pb detrital zircon data set supports mapping and stratigraphic interpretations of the Upper Devonian Ignacio Formation in southwestern Colorado (Silverton area). All samples were collected from a measured stratigraphic section called "Sultan Creek South" located at 37.710010 and -107.67530 (Evans and others, 2019). The Ignacio Formation was previously interpreted as...

Date published: September 10, 2019

Dynamically downscaled future wave projections from SWAN model results for the main Hawaiian Islands

Projected wave climate trends from WAVEWATCH3 model output were used as input for nearshore wave models (for example, SWAN) for the main Hawaiian Islands to derive data and statistical measures (mean and top 5 percent values) of wave height, wave period, and wave direction for the recent past (1996-2005) and future projections (2026-2045 and 2085-2100).
Three-hourly global climate model...

Date published: September 9, 2019

Database of Marine Mammal and Seabird Research Activity in the Pacific (US)

This database is a compilation of marine mammal and seabird information collected along the Pacific coast of the United States and U.S. territories in the Pacific from surveys that were solicited among regional research communities and persons. Information from standardized surveys was gathered from 2015 to 2018 and includes programs and researchers who collected information regarding seabirds...