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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Citation (4) Raster (1) Shapefile (1) Types Map Service (4) OGC WFS Layer (4) OGC WMS Layer (4) OGC WMS Service (3) Downloadable (2) More... Contacts U.S. Geological Survey - ScienceBase Samuel H Austin Karen R. Ryberg Jerod A Merkle Metadata Coordinator More... Categories Data (9) Publication (4) Tag Types Theme (15) Place (14) Harvest Set (5) USGS Scientific Topic Keyword (3) Drought, Fire and Extreme Weather (2) NCCWSC Science Themes (1) Organization (2) More... Tag Schemes none (4) USGS Thesaurus (11) None (4) Geographic Names Information System (5) Geographic Names Information System (GNIS) (4) Common Geographic Areas (2) JAWRA keyword list (1) More... View Results as: JSON ATOM CSV

Palmer Hydrological Drought Index (PHDI) values for selected Chesapeake Bay watersheds This dataset contains values of the Palmer Hydrological Drought Index (PHDI) for annual and seasonal periods from 1985-2012. Values are derived from data based on National Climatic Data Center (NCDC) climate divisions, of which there are 344 in the U.S. Categories: Data; Types: Citation; Tags: Chesapeake Bay, Delaware, James River, Maryland, New York, All tags... Palmer Hydrological Drought Index, Pennsylvania, Potomac River, Rappahannock River, Susquehanna River, Virginia, Washington, D.C., West Virginia, drought, surface water quality, Fewer tags Impact of Drought on Southwestern Pronghorn Population Trends and Predicted Trajectories Predictor Model Climate often drives ungulate population dynamics, and as climates change, some areas may become unsuitable for species persistence. Unraveling the relationships between climate and population dynamics, and projecting them across time, advances ecological understanding that informs and steers sustainable conservation for species. Using pronghorn (Antilocapra americana) as an ecological model, we used a Bayesian approach to analyze long-term population, precipitation, and temperature data from 18 subpopulations in the southwestern United States. We determined which long-term (12 and 24 months) or short-term (gestation trimester and lactation period) climatic conditions best predicted annual rate of population growth... Categories: Data; Types: Citation; Tags: Antilocapra americana, Arizona, Drought, Drought, Fire and Extreme Weather, Mammals, All tags... National CASC, New Mexico, Texas, Utah, Wildlife and Plants, climate change, density dependence, integrated Bayesian population models, large herbivores, population dynamics, rainfall effects, southwestern US, southwestern United States, southwestern United States, standardized precipitation index, ungulates, western Texas, Fewer tags Terms, Statistics, and Performance Measures for Maximum Likelihood Logistic Regression Models Estimating Hydrological Drought Probabilities in the United States (2017) A table is presented listing: (1) USGS Gage Station Numbers, (2) Model Identification Tags, (3) Model Term Estimates, (4) Model Term Fit Statistics, and (5) Model Performance Indices for Maximum Likelihood Logistic Regression (MLLR) Models estimating hydrological drought probabilities in the United States. Models were developed using streamflow daily values (DV) readily available from the U.S. Geological Survey National Water Information System (NWIS) and mean monthly streamflows readily computed from NWIS streamflow DV. Models were prepared for 9,144 sites throughout the United States as described in: Modeling Summer Month Hydrological Drought Probabilities In The United States Using Antecedent Flow Conditions... Categories: Data; Types: Citation; Tags: Puerto Rico, USGS Science Data Catalog (SDC), United States of America, decision support systems, drought, All tags... forecasting, risk assessment, streamflow, surface water hydrology, water supply, watershed management, Fewer tags Monthly Streamflows, Drought Indices, and Supporting Statistics for USGS Gage Stations Used to Identify Variability of Hydrological Droughts in the Conterminous United States, 1951 through 2014 A table is presented listing: (1) monthly streamflows, (2) drought duration dates, (3) drought severity indices, (4) supporting statistics, and (5) identification tags, for analysis of hydrological droughts in the Conterminous United States (CONUS). Data were summarized from USGS streamflow daily values (DV), readily available from the U.S. Geological Survey National Water Information System (NWIS), for USGS gage stations used in SIR 2017-5099 Variability of Hydrological Droughts in the Conterminous United States, 1951 through 2014 by Samuel H. Austin, David M. Wolock, and David L. Nelms. https://doi. org/10.3133/sir20175099 Types: Citation; Tags: CONUS, USGS Science Data Catalog (SDC), Water Resources, decision support methods, droughts, All tags... hydrology, risk assessment, streamflow, water supply and demand, watershed management, Fewer tags Mercury Exposure in Piscivorous Birds at the Carson River (NV) Superfund Site, 1997-2006: egg data The persistence and degree of mercury contamination of the lower Carson River system (LCRS) have led to placement of a portion of the Carson River Basin (including Lahontan Reservoir) on the US. Environmental Protection Agency (EPA) National Priorities List ("Superfund") for research and cleanup. The potential toxicity of mercury concentrations within the LCRS to piscivorous birds (snowy egrets, black-crowned night-herons, and double-crested cormorants) was examined from 1997-2006. This data set supports the following publications: Henny, C.J., Hill, E.F., Grove, R.A., Kaiser, J.L., 2007, Mercury and drought along the lower Carson River, Nevada- I. Snowy egret and black-crowned night-heron annual exposure to mercury,... Categories: Data; Types: Citation; Tags: Carson Lake, Carson River, Egretta thula, Lahontan Reservoir, Nevada, All tags... Nycticorax nycticorax, Phalacrocorax auritus, USA, black-crowned night-heron, contaminants, double-crested cormorant, drought, histopathology, mercury, methyl mercury, mining, piscivory, reproduction, snowy egret, total mercury, water discharge, Fewer tags Mercury Exposure in Piscivorous Birds at the Carson River (NV) Superfund Site, 1997-2006: biochemistry and histopathology data The persistence and degree of mercury contamination of the lower Carson River system (LCRS) have led to placement of a portion of the Carson River Basin (including Lahontan Reservoir) on the US. Environmental Protection Agency (EPA) National Priorities List ("Superfund") for research and cleanup. The potential toxicity of mercury concentrations within the LCRS to piscivorous birds (snowy egrets, black-crowned night-herons, and double-crested cormorants) was examined from 1997-2006. This data set supports the following publications: Henny, C.J., Hill, E.F., Grove, R.A., Kaiser, J.L., 2007, Mercury and drought along the lower Carson River, Nevada- I. Snowy egret and black-crowned night-heron annual exposure to mercury,... Categories: Data; Types: Citation; Tags: Carson Lake, Carson River, Egretta thula, Lahontan Reservoir, Nevada, All tags... Nycticorax nycticorax, Phalacrocorax auritus, USA, black-crowned night-heron, contaminants, double-crested cormorant, drought, histopathology, mercury, methyl mercury, mining, piscivory, reproduction, snowy egret, total mercury, water discharge, Fewer tags Predicted daily elk distribution in southern GYE 2010, 2012, 2014 Using data from 288 adult and yearling female elk that were captured on 22 Wyoming winter supplemental elk feedgrounds and monitored with GPS collars, we fit Step Selection Functions (SSFs) during the spring abortion season and then implemented a master equation approach to translate SSFs into predictions of daily elk distribution for 5 plausible winter weather scenarios (from a heavy snow, to an extreme winter drought year). Here we provide the predictions of elk space use on a daily basis at a 500m resolution for the 5 different weather scenarios: 1) low snowfall year (2010), 2) average snowfall year (2012), 3) high snowfall year (2014), 4) hypothetical early snowmelt climate change scenario where spring green... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Cervus canadensis, Grand Teton National Park, Jackson, Lincoln, National Elk Refuge, All tags... Sublette, Teton, Wyoming, biota, cattle risk, disease transmission, elk, elk density, mammals, predictions, space use, step selection function, ungulate, wildlife disease, Fewer tags Global temperate drylands climate change vulnerability Drylands cover 40% of the global terrestrial surface and provide important ecosystem services. While drylands as a whole are expected to increase in distribution and aridity in coming decades, temperature and precipitation forecasts vary by latitude and geographic region suggesting different trajectories for tropical, subtropical, and temperate drylands. Uncertainty in the future of tropical and subtropical drylands is well constrained, whereas soil moisture and ecological droughts, which drive vegetation productivity and composition, remain poorly understood in temperate drylands. Here we show that, over the 21st century, temperate drylands may contract by a third, primarily converting to subtropical drylands,... Categories: Data, Publication; Types: Citation; Tags: Eastern Asia, North America, South America, Southern Africa, USGS Science Data Catalog (SDC), All tags... Western Mediterranean, Western and Central Asia, climate change, climatology, drylands, ecology, hydrology, soil sciences, vegetation, Fewer tags Predicted daily elk abortion events in southern GYE 2010, 2012, 2014 Using data from 288 adult and yearling female elk that were captured on 22 Wyoming winter supplemental elk feedgrounds and monitored with GPS collars, we fit Step Selection Functions (SSFs) during the spring abortion season and then implemented a master equation approach to translate SSFs into predictions of daily elk distribution for 5 plausible winter weather scenarios (from a heavy snow, to an extreme winter drought year). We then predicted abortion events by combining elk distributions with empirical estimates of daily abortion rates, spatially varying elk seroprevalence, and elk population counts. Here we provide the predicted abortion events on a daily basis at a 500m resolution for the 5 different weather... Categories: Data; Types: Citation, Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Raster; Tags: Brucella abortus, Cervus canadensis, Grand Teton National Park, Jackson, Lincoln, All tags... National Elk Refuge, Sublette, Teton, Wyoming, biota, brucellosis, cattle risk, daily abortion risk, disease transmission, elk, mammals, predictions, space use, step selection function, ungulate, wildlife disease, Fewer tags Groundwater Resources of Mosteiros Basin, Island of Fogo, Cape Verde, West Africa Groundwater resources in Cape Verde provide water for agriculture, industry, and human consumption. These resources are limited and susceptible to contamination. Additional groundwater resources are needed for continued agricultural development, particularly during times of drought, but increased use and (or) climatic change may have adverse effects on the quantity and quality of freshwater available. In volcanic island aquifers such as those of Cape Verde, a lens of fresh groundwater typically ?floats? upon a layer of brackish water at the freshwater/saltwater boundary, and increased pumping may cause salt water intrusion or other contamination. A recent U.S. Geological Survey study assessed baseline groundwater... Categories: Publication; Types: Citation Stream and air temperature data from the Willow, Rock, and Frazer watersheds of northern Nevada, USA, 2015-2016 These datasets include stream temperatures, air temperatures, and spatial location information from 167 temperature data loggers that were installed throughout the Willow/Rock/Frazer watersheds of northern Nevada between July 30 and August 14, 2015. One hundred twelve data loggers were installed in stream channels (some of which were dry), 50 data loggers were installed outside the stream channel to measure air temperature, and 5 data loggers were installed on ridgetops to measure air temperature across the watershed. Fifty-one air temperature data loggers and 97 stream temperature data loggers were recovered and downloaded in late July 2016. Types: Citation; Tags: Drought, Drought, Fire and Extreme Weather, Elko County, Frazer Creek, GNIS ID 843273, All tags... GNIS ID 845747, GNIS ID 847339, GNIS ID 858249, HUC_8 16040106, National CASC, Nevada, Rivers, Streams and Lakes, Rock Creek, Water, Coasts and Ice, Watershed, Willow Creek, Willow Creek Reservoir, air temperature, climatologyMeteorologyAtmosphere, Fewer tags Groundwater Resources of Ribeira Paul Basin, Island of Santo Antao, Cape Verde, West Africa Groundwater resources in Cape Verde provide water for agriculture, industry, and human consumption. These resources are limited and susceptible to contamination. Additional groundwater resources are needed for continued agricultural development, particularly during times of drought, but increased use and (or) climatic change may have adverse effects on the quantity and quality of freshwater available. In volcanic island aquifers such as those of Cape Verde, a lens of fresh groundwater typically ?floats? upon a layer of brackish water at the freshwater/saltwater boundary, and increased pumping may cause salt water intrusion or other contamination. A recent U.S. Geological Survey study assessed baseline groundwater... Categories: Publication; Types: Citation Groundwater Resources of Ribeira Faja Basin, Island of Sao Nicolau, Cape Verde, West Africa Groundwater resources in Cape Verde provide water for agriculture, industry, and human consumption. These resources are limited and susceptible to contamination. Additional groundwater resources are needed for continued agricultural development, particularly during times of drought, but increased use and (or) climatic change may have adverse effects on the quantity and quality of freshwater available. In volcanic island aquifers such as those of Cape Verde, a lens of fresh groundwater typically ?floats? upon a layer of brackish water at the freshwater/saltwater boundary, and increased pumping may cause salt water intrusion or other contamination. A recent U.S. Geological Survey study assessed baseline groundwater... Categories: Publication; Types: Citation Wheat Corn Soy Estimates Red River of the North Basin These data describe the percent of cropland harvested as wheat, corn, and soybean within each basin (basins 1-8, see accompanying shapefiles). Data are available for other crops; however, these three were chosen because wheat is a traditional crop that has been grown for a long time in the Basin and corn and soybeans have increased in recent times because of wetter conditions, the demand for biofuels, and advances in breeding short-season, drought-tolerant crops. The data come from the National Agricultural Statistics Service (NASS) Census of Agriculture (COA) and have estimates for 1974, 1978, 1982, 1986, 1992, 1997, 2002, 2007, and 2012. Years with missing data were estimated estimated using multivariate imputation... Categories: Data; Types: Citation; Tags: Crookston, Emerson, Fargo, Halstad, Kindred, All tags... Manitoba, Minnesota, Moorhead, Neche, North Dakota, Pembina River, Red Lake River, Red River of the North, Sheyenne River, South Dakota, agriculture, multivariate statistical analysis, phosphorus, surface water quality, Fewer tags Potential Effects of Climate Change on Streamflow in Eastern and Central Montana (2013-2014 Analyses) - PRMS Model Input and Output Fish in Northern Great Plains streams evolved to survive heat, cold, floods and drought; however changes in streamflow associated with long-term climate change may render some prairie streams uninhabitable for current fish species. To better understand future hydrology of these prairie streams, the Precipitation-Runoff Modeling System (PRMS) model and output from the RegCM3 Regional Climate model were used to simulate streamflows for seven watersheds in eastern and central Montana, for a baseline period (water years 1982 - 1999) and three future periods: water years 2021 -2038, 2046 - 2063, and 2071 - 2088. These PRMS model input and output data are intended to accompany a journal article (Chase et al., 2016); they... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Great Plains, Montana, USGS Science Data Catalog (SDC), Water Resources, climate change, All tags... effects of climate change, fish, model, streamflow, streamflow modeling, Fewer tags Water Balance Model Inputs and Outputs for the Conterminous United States, 1900-2015 This metadata record describes monthly input and output data covering the period 1900-2015 for a water-balance model described in McCabe and Wolock (2011). The input datasets are precipitation (PPT) and air temperature (TAV) from the PRISM group at Oregon State University. The model outputs include estimated potential evapotranspiration (PET), actual evapotranspiration (AET), runoff (RUN) (streamflow per unit area), soil moisture storage (STO), and snowfall (SNO). The datasets are arranged in tables of monthly total or average values measured in millimeters or degrees C and then multiplied by 100. The data are indexed by the identifier PRISMID, which refers to an ASCII raster of cells in an associated file named... Types: Citation; Tags: Conterminous United States, evaporation, precipitation, streamflow, temperature Sampled Sites for the U.S. Geological Survey Midwest Stream Quality Assessment In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a collaborative study by the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA), the USGS Columbia Environmental Research Center, and the U.S. Environmental Protection Agency (USEPA) National Rivers and Streams Assessment (NRSA). One of the objectives of the RSQA, and thus the MSQA, is to characterize the relationships between water-quality stressors and stream ecology and to determine the relative effects of these stressors on aquatic biota within the streams (U.S. Geological Survey, 2012). To meet this objective, a framework of fundamental... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Geographic Information Systems, Geospatial Analysis, Geospatial Datasets, Illinois, Indiana, All tags... Iowa, Kansas, Kentucky, MSQA, Michigan, Midwest, Midwest Stream Quality Assessment, Minnesota, Missouri, National Water Quality Assessment, Nebraska, Ohio, RSQA, Regional Stream Quality Assessment, Sampling site, Site, South Dakota, Wisconsin, inlandWaters, Fewer tags Water Balance Model Inputs and Outputs for the Conterminous United States, 1900-2015 This metadata record describes monthly input and output data covering the period 1900-2015 for a water-balance model described in McCabe and Wolock (2011). The input datasets are precipitation (PPT) and air temperature (TAV) from the PRISM group at Oregon State University. The model outputs include estimated potential evapotranspiration (PET), actual evapotranspiration (AET), runoff (RUN) (streamflow per unit area), soil moisture storage (STO), and snowfall (SNO). The datasets are arranged in tables of monthly total or average values measured in millimeters or degrees C and then multiplied by 100. The data are indexed by the identifier PRISMID, which refers to an ASCII raster of cells in an associated file named... Types: Citation; Tags: Conterminous United States, National Water Quality Program, USGS Science Data Catalog (SDC), Water Resources, evaporation, All tags... precipitation, streamflow, temperature, Fewer tags