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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Hyperspectral Characterization of Common Cyanobacteria Associated with Harmful Algal Blooms (ver. 2.0, October 2020) Hyperspectral Characterization of Common Cyanobacteria Associated with Harmful Algal Blooms (ver. 2.0, October 2020)
This dataset is a collection of hyperspectral imagery profiles of 13 common algae associated with Harmful Algae Blooms (HAB). Data were retrieved from a hyperspectral microscope at, and with the cooperation of, the National Institute of Standards and Technology. Samples were collected from USGS water quality sampling efforts, and were also purchased from commercial vendors of biological...
Tributary sand input data, Colorado River, Grand Canyon National Park, Arizona Tributary sand input data, Colorado River, Grand Canyon National Park, Arizona
These data were compiled from sampling pre-dam flood terraces and sand bar deposits of the Colorado River in Glen Canyon between Glen Canyon Dam and the Paria River confluence. This includes sand deposits from the 2008, 2012, 2013 and 2014 high flow experiments (HFE) in Marble Canyon. Sand sources from these locations were sampled in September/October of 2013 and 2014. Also, samples of...
State-and-Transition Simulation Models of Buffelgrass in Saguaro National Park (2014-2044) to explore ecological uncertainties State-and-Transition Simulation Models of Buffelgrass in Saguaro National Park (2014-2044) to explore ecological uncertainties
This is a spatially-explicit state-and-transition simulation model of buffelgrass dynamics in Saguaro National Park, AZ. Buffelgrass is an invasive grass spreading in the park. The model represents uninvaded and invaded parts of the desert ecosystem and includes a connection to a fire behavior model. The model was built using the ST-Sim software platform linked to the FARSITE fire...
Hetero- and conspecifics effects on nest and chick survival for two listed species; piping plover and least tern breeding on the Missouri River, USA 2007-2016 Hetero- and conspecifics effects on nest and chick survival for two listed species; piping plover and least tern breeding on the Missouri River, USA 2007-2016
We present two tabular digital data files representing values related how the presence of hetero- and conspecifics influence nest and chick survival for two listed migratory species breeding on the Missouri River; piping plover (Charadrius melodus) and least tern (Sternula antillarum). We followed 2,507 piping plover nests, 3,251 uniquely banded piping plover chicks, 1,060 least tern...
Environmental DNA surveillance data for USGS streamgage sampling in the Columbia River Basin, 2018 Environmental DNA surveillance data for USGS streamgage sampling in the Columbia River Basin, 2018
Environmental DNA quantitative PCR results for water samples collected in 2018 at USGS streamgages downstream of Columbia River Basin reservoirs that are considered to have moderate to high suitability for invasive dreissenid mussels. Water samples were tested for DNA of dreissenid mussels, kokanee salmon, and yellow perch. This is version 1.1 of this data release. The Kokanee_Perch_eDNA...
Bathymetric data for St. Croix River at outlet to East Grand Lake and Forest City Dam Survey, United States-Canadian border between Maine and New Brunswick Bathymetric data for St. Croix River at outlet to East Grand Lake and Forest City Dam Survey, United States-Canadian border between Maine and New Brunswick
These are survey data for the Forest City Dam at the Outlet to East Grand Lake on the St. Croix River between Maine and Canada. And they are bathymetric data surrounding the outlet dam collected with an Acoustic Doppler Current Profiler (ADCP)