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Hawaii Habitat Quality (HI_HabQual) This layer depicts the status, or degree of disturbance, to plant communities on the main Hawaiian Islands. To more precisely identify areas where native species may presently be found, a map was generated that considers the following three categories of habitat quality: High, areas dominated by native vegetation; Medium, areas dominated by nonnative vegetation; and Low, highly modified landscapes. The primary source for mapping these three categories is the HIGAP land-cover classification (Gon, 2006). The High category includes all HIGAP land-cover classes that are considered to be either native dominated or mixed native and nonnative in order to represent those areas that have substantial native-species composition.... Categories: Data, Publication; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Citation, Downloadable, Map Service; Tags: Hawaii, Hawaiian Islands, cover type conversion, ecosystem disturbance, invasive species, All tags... native species, vegetation, vegetation changes, Fewer tags Hillshade raster (235-degree azimuth, 20-degree sun angle) derived from lidar data collected after the August 24, 2014 South Napa earthquake Hillshade of lidar-derived, bare earth digital elevation model, with 235-degree azimuth and 20-degree sun angle, 0.25m resolution, depicting earthquake effects following the August 24, 2014 South Napa Earthquake. Categories: Data; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: California, Napa, Napa County, San Francisco Bay, earthquake occurrences, All tags... faulting (geologic), field inventory and monitoring, field methods, field sampling, geoscientificInformation, image collections, lidar, Fewer tags Langelier Saturation Indices Computed for U.S. Groundwater, 1991-2015; Characteristic Values for States The occurrence of metals, such as lead and copper, in household drinking supplies can often be a result of the corrosion of pipes and joints in water distribution systems. One measure of the potential for water to cause corrosion is the Langelier Saturation Index (LSI) (Langelier, 1936). The LSI is a measure of the potential for water to deposit a mineral layer (scale) within a water distribution system that can inhibit the corrosion of pipes and joints. Negative values of LSI suggest mineral deposition is not likely to occur while positive values indicate conditions favorable to mineral deposition. Negative values of LSI might be indicative of conditions that lead to elevated concentrations of metals, such as lead... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Groundwater, Wells, Corrosivity, Langelier Saturation Index, NWIS, United States Tsunami evacuation time map for American Samoa 2009 tsunami inundation zone and slow run speed The travel time map was generated using the Pedestrian Evacuation Analyst model (version 1.0.1 for ArcGIS 10.5) from the USGS (https://geography.wr.usgs.gov/science/vulnerability/tools.html). The travel time analysis uses ESRI's Path Distance tool to find the shortest distance across a cost surface from any point in the hazard zone to a safe zone. This cost analysis considers the direction of movement and assigns a higher cost to steeper slopes, based on a table contained within the model. The analysis also adds in the energy costs of crossing different types of land cover, assuming that less energy is expended walking along a road than walking across a sandy beach. To produce the time map, the evacuation surface... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: American Samoa, evacuation, hazards, modeling, pedestrian, All tags... tsunamis, Fewer tags Tsunami evacuation time map for American Samoa 2009 tsunami inundation zone and fast run speed The travel time map was generated using the Pedestrian Evacuation Analyst model (version 1.0.1 for ArcGIS 10.5) from the USGS (https://geography.wr.usgs.gov/science/vulnerability/tools.html). The travel time analysis uses ESRI's Path Distance tool to find the shortest distance across a cost surface from any point in the hazard zone to a safe zone. This cost analysis considers the direction of movement and assigns a higher cost to steeper slopes, based on a table contained within the model. The analysis also adds in the energy costs of crossing different types of land cover, assuming that less energy is expended walking along a road than walking across a sandy beach. To produce the time map, the evacuation surface... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: American Samoa, evacuation, hazards, modeling, pedestrian, All tags... tsunamis, Fewer tags Tsunami evacuation time map for American Samoa 2009 tsunami inundation zone and fast walk speed The travel time map was generated using the Pedestrian Evacuation Analyst model (version 1.0.1 for ArcGIS 10.5) from the USGS (https://geography.wr.usgs.gov/science/vulnerability/tools.html). The travel time analysis uses ESRI's Path Distance tool to find the shortest distance across a cost surface from any point in the hazard zone to a safe zone. This cost analysis considers the direction of movement and assigns a higher cost to steeper slopes, based on a table contained within the model. The analysis also adds in the energy costs of crossing different types of land cover, assuming that less energy is expended walking along a road than walking across a sandy beach. To produce the time map, the evacuation surface... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: American Samoa, evacuation, hazards, modeling, pedestrian, All tags... tsunamis, Fewer tags Merged traits used to fit the Hawaiian native plant vulnerability model This dataset is a list of variables (in columns) corresponding to nodes in a categorical network model. Geographic variables vary according to the specific climate downscaling model used to project plant species range into the future. Continuous variables were discretized into two to five categories as required by the model, usually based on quantiles of distribution. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Pacific Islands CASC, Pacific Islands Landscape Conservation Cooperative, Pacific Islands Landscape Conservation Cooperative, Plants, Wildlife and Plants, All tags... biota, elevation, location, network model, Fewer tags Longitudinal profiles of water-surface elevations for the Sacramento River, near Colusa, CA, measured using high-precision GPS and a high-speed power boat This dataset is one part of a larger field dataset collected during March - May 2015 along the Sacramento River, near Colusa, CA. This particular dataset contains longitudinal profiles of water-surface elevations collected in March 2015 using high-precision GPS measurements from a fast-moving power boat. The GPS measurements were corrected to account for the offset from the planing power boat to the water-surface elevation. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service Water-surface elevations and temperature data collected for the NASA/JPL AirSWOT campaign on the Sacramento River, near Colusa, CA, for the period March – May, 2015 This dataset is one part of a larger field dataset collected during March - May 2015 along the Sacramento River, near Colusa, CA. This particular dataset contains water-surface elevation and temperature data from 35 stationary pressure transducers spaced approximately every few kilometers along the Sacramento River upstream and downstream of Colusa, CA. The locations of the transducers were determined with RTK GPS with high precisions in both horizontal and vertical dimensions. The water-surface elevations were determined from the transducer pressure readings by using the nearest of six deployed barometric transducers, typically located within less than 10 kilometers. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: JPL, NASA, Sacramento River, river, temperature, All tags... water surface elevation, Fewer tags Project area and plant species data (services and shapefiles) This report describes the design, field methodology, and first year results of a vegetation survey and long-term monitoring program to assess the status and document changes in the dominant native plant communities relative to alien species management efforts within the Kipuka Alala section of the Pohakuloa Training Area (PTA) on the island of Hawai`i. Kipuka Alala is recognized by the Army to be an important habitat that contains a number of unique plant communities as well as populations of several listed or rare plant species. Additionally, Kipuka Alala has been identified as a potential site for the reintroduction of the Palila (Loxioides bailleui), an endangered species of Hawaiian Honeycreeper bird that was... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Citation, Downloadable, Map Service; Tags: Hawaii, Hawaii Island, Kipuka Alala, Pohakuloa Training Area, Pohakuloa Training Area, All tags... monitoring, plant, sampling, survey, vegetation, vegetation survey, Fewer tags Point locations for earthquakes M2.5 and greater in a two-year aftershock sequence resulting from the HayWired scenario earthquake mainshock (4/18/2018) in the San Francisco Bay area, California This dataset represents the spatial locations of all modeled aftershocks magnitude 2.5 and greater resulting from the HayWired M7.0 mainshock occurring on April 18, 2018 along the Hayward Fault. The date/time, horizontal and vertical location, and sequence position is provided for each aftershock. The spatial extent covers 24 counties in whole or in part, corresponding to the modeled shaking extent for the HayWired mainshock ShakeMap (available at https://earthquake.usgs.gov/scenarios/eventpage/ushaywiredm7.05_se#shakemap). The sequence is simulated based on several known statistical relationships and generated using an epidemic type aftershock sequence (ETAS) model, resulting in one possible aftershock sequence.... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, HayWired, San Francisco Bay area, Seismology, USGS Science Data Catalog (SDC), All tags... aftershocks, earthquake occurrences, earthquakes, hazards, Fewer tags Groundwater-quality data in the Mokelumne, Cosumnes, and American River Watersheds Shallow Aquifer Study Unit, 2016-2017: Results from the California GAMA Priority Basin Project The U.S. Geological Survey collected groundwater samples from 67 wells and 1 spring used for domestic and small system drinking water supplies in Placer, El Dorado, Amador, and Calaveras Counties, California in 2016-2017. The sites were sampled for the Mokelumne, Cosumnes, and American River Watersheds (MCAW) Shallow Aquifer Study Unit of the California State Water Resources Control Board Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project’s assessment of the quality of groundwater resources used for domestic and small system drinking water supplies. Domestic and small-system wells commonly are screened at shallower depths than public-supply wells. The MCAW study unit covered the... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Amador County, Calaveras County, California, El Dorado County, Environment, All tags... GAMA, Groundwater, Groundwater Ambient Monitoring and Assessment Program, Placer County, USGS Science Data Catalog (SDC), United States, Water Quality, Water-Quality, environment, geoscientificInformation, Fewer tags Tsunami evacuation time map for American Samoa predicted maximum tsunami (PMT) inundation zone and fast run speed The travel time map was generated using the Pedestrian Evacuation Analyst model (version 1.0.1 for ArcGIS 10.5) from the USGS (https://geography.wr.usgs.gov/science/vulnerability/tools.html). The travel time analysis uses ESRI's Path Distance tool to find the shortest distance across a cost surface from any point in the hazard zone to a safe zone. This cost analysis considers the direction of movement and assigns a higher cost to steeper slopes, based on a table contained within the model. The analysis also adds in the energy costs of crossing different types of land cover, assuming that less energy is expended walking along a road than walking across a sandy beach. To produce the time map, the evacuation surface... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: American Samoa, evacuation, hazards, modeling, pedestrian, All tags... tsunamis, Fewer tags Water-surface elevations, depths, bed elevations, and depth-average water velocities measured with an acoustic Doppler current profiler and real-time kinematic GPS along the Sacramento River, near Colusa, CA, March, 2015. This dataset is one part of a larger field dataset collected during March - May 2015 along the Sacramento River, near Colusa, CA, as part of the NASA and CalTech/JPL AirSWOT calibration and validation campaign. This particular dataset contains longitudinal profiles and cross sections of water-surface elevations, depths, bed elevations, and depth-average water velocities collected with an acoustic Doppler current profiler with real-time kinematic GPS. The data were collected in March 2015 from a slow-moving power boat. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service Tsunami evacuation time map for American Samoa 2009 tsunami inundation zone and slow walk speed The travel time map was generated using the Pedestrian Evacuation Analyst model (version 1.0.1 for ArcGIS 10.5) from the USGS (https://geography.wr.usgs.gov/science/vulnerability/tools.html). The travel time analysis uses ESRI's Path Distance tool to find the shortest distance across a cost surface from any point in the hazard zone to a safe zone. This cost analysis considers the direction of movement and assigns a higher cost to steeper slopes, based on a table contained within the model. The analysis also adds in the energy costs of crossing different types of land cover, assuming that less energy is expended walking along a road than walking across a sandy beach. To produce the time map, the evacuation surface... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: American Samoa, evacuation, hazards, modeling, pedestrian, All tags... tsunamis, Fewer tags Study Boundary and Grid Cells for the North and South American, Cosumnes, and Mokelumne River Watersheds Shallow Aquifer Study Unit The U.S. Geological Survey collected groundwater samples from 67 domestic wells and 1 spring used for domestic supply in Placer, El Dorado, Amador, and Calaveras Counties, California in 2016-2017. The sites were sampled for the Mokelumne, Cosumnes, and American River Watersheds (MCAW) Shallow Aquifer Study Unit of the California State Water Resources Control Board Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project’s assessment of the quality of groundwater resources used for domestic drinking water supply. The MCAW study unit covered the parts of the Upper Mokelumne, Upper Cosumnes, and South and North Fork American River watersheds [8-digit hydrologic unit codes (HUC8) 18040012,... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Amador County, Calaveras County, California, El Dorado County, Environment, All tags... GAMA, Groundwater, Groundwater Ambient Monitoring and Assessment Program, Placer County, United States, Water-Quality, environment, geoscientificInformation, Fewer tags Tsunami evacuation time map for American Samoa predicted maximum tsunami (PMT) inundation zone and slow run speed The travel time map was generated using the Pedestrian Evacuation Analyst model (version 1.0.1 for ArcGIS 10.5) from the USGS (https://geography.wr.usgs.gov/science/vulnerability/tools.html). The travel time analysis uses ESRI's Path Distance tool to find the shortest distance across a cost surface from any point in the hazard zone to a safe zone. This cost analysis considers the direction of movement and assigns a higher cost to steeper slopes, based on a table contained within the model. The analysis also adds in the energy costs of crossing different types of land cover, assuming that less energy is expended walking along a road than walking across a sandy beach. To produce the time map, the evacuation surface... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: American Samoa, evacuation, hazards, modeling, pedestrian, All tags... tsunamis, Fewer tags Northwestern Hawaiian Islands: Impacts to Avifauna from the Tohoku Tsunami 2011 This collection of nine datasets covers Midway Atoll and Laysan Island in the Northwestern Hawaiian Islands, and was created to help estimate the impacts of the March 11, 2011 tsunami event on avifauna in the Northwestern Hawaiian Islands. For each island, we generated a coastline dataset and a land cover dataset based on satellite imagery taken the year before the tsuanmi event. We also created datasets of the inundation extent during the tsunami event based on GPS track files of the high water mark, taken by staff scientists stationed on the islands at the time of the tsunami. Additionally, nest distribution data were collected for black-footed albatrosses (Phoebastria nigripes) at Midway Atoll. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Laysan Island, Midway Atoll, Northwestern Hawaiian Islands, USGS Science Data Catalog (SDC), birds, All tags... coastal processes AND hazards, tsunamis, Fewer tags Estimates of subsurface tile drainage extent for the conterminous United States, early 1990s This dataset is a 30-meter resolution national-scale raster of estimated subsurface tile drainage extent based on early 1990s county areas of subsurface tile drains and geospatial datasets of cropland and poorly drained soil. Specifically, it was developed using 1) county-level acres of subsurface tile drain extents from Sugg (2007); 2) the extent of cultivated cropland from the National Land Cover Database (NLCD) 2011; 3) the extent of poorly drained soil from the State Soil Geographic (STATSGO) database Version 2; 4) the extent of federally-owned land, and 5) county administrative boundaries. Sugg's (2007) area of subsurface tile drains within each county was evenly allocated to potentially drained land -- cropland... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: MSQA, Midwest Stream Quality Assessment, NAWQA, National Water Quality Assessment, USGS Science Data Catalog (SDC), All tags... Water Quality, conterminous United States, environment, geoscientificInformation, inlandWaters, subsurface drainage extent, subsurface tile drainage, tile drain, water quality, Fewer tags Moisture zones for the main Hawaiian Islands This map represents the distribution of seven moisture zones for the main Hawaiian Islands. The maps were produced as part of a species range modeling effort for the Hawaiian flora. Details on methodology and related products can be found in: Price, J. P., J. D. Jacobi, S. M. Gon, III, D. Matsuwaki, L. Mehrhoff, W. L. Wagner, M. Lucas, and B. Rowe. 2012, Mapping plant species ranges in the Hawaiian Islands-Developing a methodology and associated GIS layers. U.S. Geological Survey Open File Report OFR 2012-1192, Reston, VA. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Citation, Downloadable, Map Service; Tags: Hawaii, Main Hawaiian Islands, moisture zones, rainfall, temperature 1 2 »