Filters: Tags: Snowmelt (X) > Types: OGC WMS Layer (X)

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SnowModel simulations and supporting observations for the north-central Colorado Rocky Mountains during water years 2011 through 2015 This data release includes simulation output from SnowModel (Liston and Elder, 2006), a well-validated process-based snow modeling system, and supporting snow, meteorological, and streamflow observations from the water years 2011 through 2015 (October 1, 2010, through September 30, 2015) across a 3,600 square kilometer model domain in the north-central Colorado Rocky Mountains. For each water year, SnowModel simulations were completed for a (1) baseline simulation, (2) bark-beetle disturbance condition simulation, (3) 2016 - 2035 future climate condition simulation (S1), and (4) 2046 - 2065 future climate condition simulation (S2). Sexstone and others (2018) provide details and summarize findings from each of the... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bark beetles, Climate warming, Climatology, Colorado Rocky Mountains, Eddy covariance, All tags... Rocky Mountain National Park, Snow, Snowmelt, Sublimation, USGS Science Data Catalog (SDC), Water Resources, Fewer tags HUC12-Monthly Summaries This data release contains historical SnowModel (Liston and Elder, 2006) output for the Crown of the Continent and surrounding areas in Montana and Idaho, USA; and Alberta and British Columbia, Canada from September 1, 1981 through August 31, 2020. Fifteen daily variables were simulated or derived for this release: (1) snow water equivalent (swed), (2) liquid precipitation (rpre), (3) solid precipitation (spre), (4) albedo (albd), (5) glacial ice melt (glmt), (6) total precipitation (prec), (7) runoff (roff), (8) snow covered area (sca), (9) snow density (sden), (10) snowmelt (smlt), (11) snow depth (snod), (12) snow sublimation (ssub), (13) air temperature (tair), (14) wind speed (wspd), and (15) wind direction... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alberta, British Columbia, Crown of the Continent, Glacier National Park, Idaho, All tags... Montana, Northern Rocky Mountains, Waterton Lakes National Park, climatologyMeteorologyAtmosphere, precipitation (atmospheric), runoff, snow, snow and ice cover, snowmelt, snowpack, Fewer tags Map data and Unmanned Aircraft System imagery from the May 25, 2014 West Salt Creek rock avalanche in western Colorado On May 25, 2014, a rain-on-snow induced rock avalanche occurred in the West Salt Creek Valley on the northern flank of Grand Mesa in western Colorado. The avalanche traveled 4.6 km down the confined valley, killing 3 people. The avalanche was rare for the contiguous U.S. because of its large size (54.5 Mm3) and long travel distance. To understand the avalanche failure sequence, mechanisms, and mobility, we mapped landslide structures, geology, and ponds at 1:1000-scale. We used high-resolution, Unmanned Aircraft System (UAS) imagery from July 2014 as a base for our field mapping. Here we present the map data and UAS imagery. The data accompany an interpretive paper published in the journal Geosphere. The full citation... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Collbran, Colorado, Grand Mesa, Green River Formation, UAS, All tags... USGS Science Data Catalog (SDC), Unmanned Aircraft System, West Salt Creek, alluvium, breccia, debris flow, debris-flow deposits, fatalities, faults, folds, hazard, imagery, landslide, normal fault, ponds, rain on snow, rainfall, rock avalanche, rock slide, slip surface, snowmelt, springs, strike-slip fault, structures, thrust fault, Fewer tags The Influence of the North Pacific Jet Stream on Future Fire in California In California, increased wildfire activity has been linked to decreasing snowpack and earlier snowmelt. Not only has this translated into a longer fire season, but reduced snowpack has cascading effects that impact streamflow, water supplies, agricultural productivity, and ecosystems. California receives 80% of its precipitation during the winter, so mountain snowpack plays a critical role in replenishing the state’s water supply. One factor that affects the amount of winter precipitation (and therefore snowpack) in California is the North Pacific Jet (NPJ)—a current of strong, high altitude winds that occur over the northern Pacific Ocean. Winters when the NPJ is located further north than normal are drier than... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Report; Tags: 2013, CA, CA-wide, CASC, Completed, All tags... Drought, Fire and Extreme Weather, Drought, Fire and Extreme Weather, Drought, Fire and Extreme Weather, Federal, Fire, Fire, Landscapes, Landscapes, NPJ, Other Landscapes, Other Landscapes, Other Water, Other Water, Plants, Plants, Projects by Region, Projects by Region, Science Tools for Managers, Science Tools for Managers, Southwest, Southwest, Southwest, Southwest CASC, Water, Coasts and Ice, Water, Coasts and Ice, Wildlife and Plants, Wildlife and Plants, atmosphere, climatology, decadal, ecological response, ecosystem, ecosystem, fire, hydrological response, jet stream, management, north pacific jet, snowmelt, snowpack, tree ring reconstruction, tree rings, water, wildfire, wildfire, Fewer tags Watershed Disturbance and Restoration Impacts on Hydrologic Function Relative to Increased Snowmelt Water Yields, Stream Water Quality, and Species Conservation in the Jemez Mountains, New Mexico: Model Calibration and Validation on a Landscape Scale The overall project goal is to understand and model the watershed impacts of forest restoration actions (thinning, prescribed fire) and climate change on the hydrologic function, particularly with respect to (1) changes in soil moisture and water yield during snowmelt, (2) inter-annual and directional changes in stream water quality, and (3) the resulting impacts on watershed management for wildlife species threatened by disturbance and climate change.Specifically, we will: use known relationships of forest structure on snow-water equivalent (SWE) values and processes of sublimation (ablation), infiltration and run-off in the Jemez Mountains of northern New Mexico to model forest-stand restoration prescriptions,... Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Cultural Resources, Decision Support, Federal resource managers, Informing Conservation Delivery, Jemez Mountains, All tags... Jemez Mountains, Jemez River, LCC, LCC Network Science Catalog, NM-03, Native Fish, New Mexico, New Mexico, Project, SRLCC, State agencies, Streamflows, Tribes, Upper Rio Grande, Upper Rio Grande, Valles Caldera, climate change, climate change, completed, forest restoration, forest restoration, forest structure, forest structure, forest thinning, forest thinning, prescribed fire, prescribed fire, snowmelt, snowmelt, soil moisture, soil moisture, stream water yield, stream water yield, streamflows, streamflows, upper rio grande basin, water, water, watershed management, watershed management, Fewer tags The eight-day interval during which amphibians first called annually at individual study wetlands across four study areas To help determine when winter conditions were changing to spring conditions annually in our four study areas, we determined the first eight-day interval (in accordance with the scale limitations of satellite data we used to assess the presence of snow) during which the first amphibian of the season called at each of our study wetlands in those areas. To do this, we examined contour plots of summaries of all the acoustic data we collected at that site in a given year to identify the unique call signatures of individual amphibian species by date and time. When necessary due to potential confounding on a contour plot, we also examined relevant individual five-minute recordings aurally and visually to confirm whether... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: North Temperate Lakes Long-term Research Area, Wisconsin, USA, St. Croix National Scenic Riverway, Minnesota, USA, St. Croix National Scenic Riverway, Wisconsin, USA, Tamarac National Wildlife Refuge, Minnesota, USA, USGS Science Data Catalog (SDC), All tags... Upper Mississippi River, Wisconsin, USA, air temperature, amphibian calling phenology, snowmelt, temperature, Fewer tags Spatial heterogeneity of the spring flood acid pulse in a boreal stream network. Synopsis: This paper describes the spatial distribution of pH measurements from 60 sites distributed throughout the Kychlan River catchment, a 67km⊃2; boreal watershed in northern Sweden. Water samples were collected during a period of winter baseflow and during a spring flood episode. Chemical analyses included pH, Dissolved Organic Carbon (DOC), major cations (K, Mg, Na, Ca) and total filterable aluminum. Spring flood pH was shown to be highest in larger, lower altitude catchments underlain by fine sorted sediments, and lowest in small, higher altitude catchments underlain by a mixture of peat wetlands and forested till. There was also a trend with distance downstream of higher pH, acid neutralizing capacity and... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ANC, Boreal Watershed, DOC, Krychlan River, Natural cover amount, All tags... Sweden, boreal catchments, local, pH, percent native, protected area, snowmelt, spatial heterogeneity, wetlands, Fewer tags Historical simulated snowpack and other hydrometeorology data at 30 m for the Crown of the Continent and vicinity, United States and Canada, water years 1981-2020 This data release contains historical SnowModel (Liston and Elder, 2006) output for the Crown of the Continent and surrounding areas in Montana, USA; and Alberta and British Columbia, Canada from September 1, 1981 through August 31, 2020. Fifteen daily variables were simulated or derived for this release: (1) snow water equivalent (swed), (2) liquid precipitation (rpre), (3) solid precipitation (spre), (4) albedo (albd), (5) glacial ice melt (glmt), (6) total precipitation (prec), (7) runoff (roff), (8) snow covered area (sca), (9) snow density (sden), (10) snowmelt (smlt), (11) snow depth (snod), (12) snow sublimation (ssub), (13) air temperature (tair), (14) wind speed (wspd), and (15) wind direction (wdir). The... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alberta, British Columbia, Climatology, Crown of the Continent, Glacier National Park, All tags... Idaho, Montana, Northern Rocky Mountains, USGS Science Data Catalog (SDC), Waterton Lakes National Park, climatologyMeteorologyAtmosphere, precipitation (atmospheric), runoff, snow, snow and ice cover, snowmelt, snowpack, Fewer tags