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Files contain hydrodynamic and sediment transport data for the location and deployment indicated. Time-series data of water depth, velocity, turbidity, and temperature were collected in San Pablo Bay and China Camp Marsh as part of the San Francisco Bay Marsh Sediment Experiments. Several instruments were deployed in tidal creek, marsh, mudflat, and Bay locations, gathering data on water depth, velocity, salinity/temperature, and turbidity. Deployment data are grouped by region (Bay channel (main Bay), Bay shallows, tidal creek, or marsh/mudflat/upper tidal creek). Users are advised to check metadata and instrument information carefully for applicable time periods of specific data, as individual instrument deployment...
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As part of the San Francisco Bay Marsh Sediment Experiments and hydrodynamic investigations in San Pablo Bay and China Camp Marsh, California, vegetation sampling measurements were taken over several periods at numerous locations. This portion of the data release presents physical characteristics and percent cover data from vegetation plots sampled in China Camp State Park salt marsh (northern San Francisco Bay) in 2015, 2016, and 2017. One-meter quadrats (1m x 1m) were analyzed for percent cover of each vegetation species present, average canopy height, and maximum canopy height. The percent cover was done by visual inspection. A quarter-meter quadrat (0.25m x 0.25m) was then used for stem count and stem diameter...
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Files contain hydrodynamic and sediment transport data for the location and deployment indicated. Time-series data of water depth, velocity, turbidity, and temperature were collected in San Pablo Bay and China Camp Marsh as part of the San Francisco Bay Marsh Sediment Experiments. Several instruments were deployed in tidal creek, marsh, mudflat, and Bay locations, gathering data on water depth, velocity, salinity/temperature, and turbidity. Deployment data are grouped by region (Bay channel (main Bay), Bay shallows, tidal creek, or marsh/mudflat/upper tidal creek). Users are advised to check metadata and instrument information carefully for applicable time periods of specific data, as individual instrument deployment...
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The dataset is composed of three data tables containing information from electrofishing and pebble count surveys conducted in tributaries to the Mohawk River in central and eastern New York during 2019. The first table contains information on the sampled reaches, the second table contains fish collection data, and the third table contains pebble count data.
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The northern Gulf of Mexico coast spans two major climate gradients and represents an excellent natural laboratory for developing climate-influenced ecological models. In this project, we used these zones of remarkable transition to develop macroclimate-based models for quantifying the regional responses of coastal wetland ecosystems to climate variation. In addition to providing important fish and wildlife habitat and supporting coastal food webs, these coastal wetlands provide many ecosystem goods and services including clean water, stable coastlines, food, recreational opportunities, and stored carbon. Our objective was to examine and forecast the effects of macroclimatic drivers on wetland ecosystem structure...
Analytical recovery is the concentration of an analyte measured in a water-quality sample expressed as a percentage of the known concentration added to the sample (Mueller and others, 2015). Analytical recovery (hereafter referred to as “recovery”) can be used to understand method bias and variability and to assess the temporal changes in a method over time (Martin and others, 2009). This data set includes two tables: one table of field spike recovery data and one table of lab reagent spike recovery data. The table of field spike recovery data includes results from paired environmental and spike samples collected by the National Water Quality Program, National Water-Quality Assessment (NAWQA) Project in surface...
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Album caption:Joint planes in jasperoid. Lake Valley mining district, Sierra County, New Mexico. April 1962.
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High tableland between Kings and Kaweah Rivers, Sierra Nevada. In the center, the highest part of tableland; at right Kaweah Peak; at left cirque at head of East Fork of Sugarloaf Creek. Tulare County, California. 1904. (Panorama with photo no. 2523 (ggk02523).
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Panorama, from near Ball Dome, Sierra Nevada. Northeast face of Silliman Crest. Mt. Silliman at left. (Compare 2498, 2503 (ggk02498, ggk2503)). Tulare County, California. 1904. (Panorama with photo nos. 2507, 2508 (ggk02507, ggk02508)).
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Panorama from buttress near Blaney Meadows. (See no. 2336 (ggk02336)). North wall of valley of South Fork of San Joaquin River, Sierra Nevada. Half way up the slope is a lateral moraine. Fresno County, California. 1904. (Panorama with photos 2338, 2339 (ggk02338, ggk02339)).
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Climate change over the past century has altered vegetation community composition and species distributions across rangelands in the western United States. The scale and magnitude of climatic influences are unknown. While a number of studies have projected the impacts of climate change using several modeling approaches, none has evaluated impacts to fractional component cover at a 30-m resolution across the full sagebrush (Artemisia spp.) biome. We used fractional component cover data for rangeland functional groups and weather data from the 1985 to 2018 reference period in conjunction with soils and topography data to develop empirical models describing the spatio-temporal variation in component cover. To investigate...
Tags: AZ, Arizona, Arizona Plateau, Black Hills, Blue Mountains, All tags...
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A soil-water balance model (SWB) was developed to estimate evapotranspiration in six ditch basins of the Glacial Ridge National Wildlife Refuge area, northwestern Minnesota, during 2002–2015. The model was used to estimate evapotranspiration in water balances in six ditch basins as part of the associated report, U.S. Geological Survey Scientific Investigations Report 2019-5041 (https://dx.doi.org/10.3133/SIR20195041). This SWB model was derived from the statewide Minnesota SWB potential recharge model, described, calibrated, and documented as part of U.S. Geological Survey Scientific Investigations Report 2015-5038 (https://dx.doi.org/10.3133/sir20155038). The data sets and calibrations from the Minnesota statewide...
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This digital dataset was created as part of a U.S. Geological Survey hydrologic resource assessment and development of an integrated numerical hydrologic model of the hydrologic system of the Upper Colorado River Basin, an extensive region covering approximately 412,000 square kilometers in five states: Wyoming, Colorado, Utah, Arizona, and New Mexico. As part of this larger study, the USGS developed this digital dataset of geologic data and a three-dimensional hydrogeologic framework model (3D HFM) that define the elevation, thickness, and extent of seven hydrogeologic units in the Upper Colorado River Basin. The hydrogeologic setting of the Colorado Plateau consists of thick Paleozoic, Mesozoic, and Cenozoic aquifers,...
Tags: 3D, Arizona, Chinle Formation, Colorado, Colorado Plateau, All tags...
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This topobathymetric digital elevation model (TBDEM) represents the topography and bathymetry for the Eastern Shore peninsula of Virginia, including Accomack and Northampton counties, and extending into Worcester and Somerset counties in Maryland. The TBDEM has a horizontal grid spacing of 1 meter and vertical units of 1 (integer) centimeter. This dataset combines U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center Coastal National Elevation Database topobathymetric DEM (CoNED TBDEM) data with data from the USGS Northern Atlantic Coastal Plain DEM, the latter of which were used to extend the bathymetric surface further offshore. In some areas, National Map 3D Elevation Program (3DEP)...
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This dataset consists of a 100 meter resolution raster of depth and area weighted averages for soil pH for each map unit key (MUKEY) in the U.S. Department of Agriculture, Natural Resources Conservation Service's (NRCS) State Soil Geographical (STATSGO2) database (NRCS, 2016). This raster was developed from selected criteria of soil parameters from the STATSGO2 database and mapped to MUKEYs.
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Data are cross-listed on https://rangelands.app/cheatgrass/ Cheatgrass (Bromus tectorum) and other invasive annual grasses represent one of the single largest threats to the health and resilience of western rangelands. To address this challenge, the Western Governors Association (WGA)-appointed Western Invasive Species Council convened a cheatgrass working group to develop a new regional vision for invasive annual grass management across the West. Foundational to implementing this new vision is the creation of a common spatial map to guide strategic actions. The WGA cheatgrass working group sought to develop a 30-m base map of annual herbaceous cover to support a common spatial strategy for tackling invasive annual...
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During the spring and early summer of 2012, approximately 1,200 square kilometers of Gila National Forest in southwestern New Mexico, including the upper portions of the Whitewater Creek watershed, were burned by the Whitewater-Baldy Complex Fire. The following September 12-17, 2013, a near-record, one-week long storm event produced widespread, historic rainfall amounts throughout the southwest U.S. in four distinct pulses. Data published here include GIS shapefiles of documented erosional features associated with the September 2013 storms and associated rainfall data. Data files are numbered 1-9. Shapefiles provided in this data release include: 1) polygon of the study area; 2) point locations of 688 debris-flow...
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Album caption: None Index card: Trimble, D. E. 15ct (17cp): Badlands of the Little Missouri River in South Unit of Theodore Roosevelt National Memorial Park. View looking northwest from Painted Canyon Overlook along Interstate Highway 94, west of Belfield, Billings County, North Dakota. n.d. Published as Figure 27 in U.S. Geological Survey Bulletin 1493, 1980. Published as Figure 15 (black and white) in U.S. Geological Survey Circular 798.


map background search result map search result map Totems, Old Kasaan, Southeastern Alaska. Alaska. 1915. Panorama from buttress near Blaney Meadows, Sierra Nevada. Fresno County, California.1904. Panorama, from near Ball Dome, Sierra Nevada. Tulare County, California. 1904. High tableland between Kings and Kaweah Rivers, Sierra Nevada. Tulare County, California. 1904. Badlands of the Little Missouri River, Theodore Roosevelt National Park, Billings County, North Dakota. No date. U.S. Gulf of Mexico coast (TX, MS, AL, and FL) Macroclimate Soil Data (2013-2014) Area- and Depth-Weighted Average of Soil pH from STATSGO2 for the Conterminous United States and District of Columbia A Soil-Water-Balance model and precipitation data used for HEC/HMS modelling at the Glacial Ridge National Wildlife Refuge area, northwestern Minnesota, 2002–15. Post-wildfire debris flow and rainfall data, Whitewater-Baldy complex fire, southwestern New Mexico Annual Herbaceous Cover across Rangelands of the Sagebrush Biome Projections of Rangeland Fractional Component Cover Across the Sagebrush Biome for Representative Concentration Pathways (RCP) 4.5 and 8.5 Scenarios for the 2020s, 2050s, and 2080s Time-Periods (ver. 1.1, April 2022) Fish community and substrate data from tributaries to the Mohawk River (ver. 2.0, January 2024) Joint planes in jasperoid. Lake Valley mining district, Sierra County, New Mexico. April 1962. Digital hydrogeologic framework model of the Upper Colorado River Basin, western U.S. A Soil-Water-Balance model and precipitation data used for HEC/HMS modelling at the Glacial Ridge National Wildlife Refuge area, northwestern Minnesota, 2002–15. Post-wildfire debris flow and rainfall data, Whitewater-Baldy complex fire, southwestern New Mexico Fish community and substrate data from tributaries to the Mohawk River (ver. 2.0, January 2024) Joint planes in jasperoid. Lake Valley mining district, Sierra County, New Mexico. April 1962. Panorama, from near Ball Dome, Sierra Nevada. Tulare County, California. 1904. High tableland between Kings and Kaweah Rivers, Sierra Nevada. Tulare County, California. 1904. Panorama from buttress near Blaney Meadows, Sierra Nevada. Fresno County, California.1904. U.S. Gulf of Mexico coast (TX, MS, AL, and FL) Macroclimate Soil Data (2013-2014) Digital hydrogeologic framework model of the Upper Colorado River Basin, western U.S. Annual Herbaceous Cover across Rangelands of the Sagebrush Biome Projections of Rangeland Fractional Component Cover Across the Sagebrush Biome for Representative Concentration Pathways (RCP) 4.5 and 8.5 Scenarios for the 2020s, 2050s, and 2080s Time-Periods (ver. 1.1, April 2022) Totems, Old Kasaan, Southeastern Alaska. Alaska. 1915. Area- and Depth-Weighted Average of Soil pH from STATSGO2 for the Conterminous United States and District of Columbia