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ArcGIS Mapping Service for Pacific Walrus Coastal Haulouts

ArcGIS web mapping service created for the Pacific walrus coastal haulout database for NOAA's use. We summarize available information on Pacific walrus haulouts from available reports, interviews with coastal residents and aviators, and personal observations of the authors. We provide this in the form of a georeferenced database that may be queried and displayed with standard geographic informatio

Pacific Walrus Coastal Haulout Database 1852-2016

We summarize Pacific walrus coastal haulout locations reported in published papers, reports, and personal communications from 1893 through 2014. We report haulout locations based on available reports, as well as the authors? personal knowledge of specific haulout locations and publicly available geo-referenced imagery (Digital Globe, Longmont, Colorado, USA) viewed through a virtual digital globe

Sinkholes and Springs of the Ozark Physiographic Province, northern Arkansas, from Topographic Maps

Springs and sinkholes in the Ozark Plateaus Physiographic Province (Ozarks) in Arkansas were digitized from 1:24,000 scale topographic maps to produce a digital dataset of karst features. Karst landscapes generally are created from bedrock dissolution that results in distinctive landforms, including sinkholes, springs, caves, and sinking streams, and a high degree of interaction between surface wa

Thickness of the Surficial Aquifer, Delmarva Peninsula, Maryland and Delaware

This map is a digital map of the thickness of the surficial unconfined aquifer and was produced to improve understanding of the hydrologic system and the potential for transport of soluble nutrients and other chemicals from groundwater to streams in the Maryland and Delaware portions of the Delmarva Peninsula. The map is intended to be used in conjunction with other environmental coverages (such

Location, sampling methods and field conditions of resiliency-mode soil and sediment sampling stations sampled, Sediment-Bound Contaminant Resiliency and Response Strategy pilot study, northeastern United States, 2015

Coastal communities are uniquely vulnerable to sea-level rise (SLR) and severe storms such as hurricanes. These events enhance the dispersion and concentration of natural and anthropogenic chemicals and pathogenic microorganisms that could adversely affect the health and resilience of coastal communities and ecosystems in coming years. The U.S. Geological Survey has developed the Sediment-Bound Co

Missouri River 2011 Regional Sand Floodplain

This is a polygon coverage of sand deposits from the 2011 Missouri River flood. The polygon coverages were compiled from classification of 26 multispectral SPOT (Systme Pour lObservation de la Terre) 4 and 5 satellite images colleted during October and November, 2011. The dataset covers 1,298 km of the Missouri River valley bottom from Gavins Point Dam in South Dakota to the confluence with the Mi

Radionuclide and Pesticide data for sediment age and source analysis in the Midwest Stream-Quality Assessment Region (2013-2014)

A study examining the sources and ages of fine-grained bed material (less than 0.063 mm) was conducted for 99 sites in the USGS NAWQA Midwest Stream Quality Assessment (MSQA) during the summer of 2014, including 15 suspended sediment and 5 cropland top soil samples. Bed material samples were analyzed for radionuclides (7Be, 210Pbex, 137Cs) and pesticides (bifenthrin and DDE); suspended sediment fo

Total Phosphorus Load and Ancillary Data Related to Sources of Total Phosphorus in the Red River of the North Basin

The Red River of the North (Red River) transports phosphorus from North Dakota, Minnesota, and South Dakota, to Manitoba, Canada, and eventually into Lake Winnipeg. Phosphorus load (or flux) is the amount of total phosphorus (TP) transported by the Red River. The effect of TP load on water quality is a concern, especially with respect to downstream eutrophication issues in Lake Winnipeg, Manitob

Larus Gull Microsatellite DNA Data, 2006-2009

This data set describes nuclear microsatellite genotypes derived from eleven autosomal loci (Hg16, Hg18, Hg25, K16, Lar12, Lar19, Lar24, Lar26, Rbg13, Rbg18, and Rbg29). A total of 651 Larus gulls were examined for this study with samples collected throughout North America, Europe, Russia, and South America.

Waterfowl Counts and Wildfire Burn Data from the Western Boreal Forest of North America, 1955-2014

The project utilized data from the Waterfowl Breeding Population and Habitat Survey, which is an annual survey conducted since 1955 by the governments of the United States and Canada to monitor waterfowl populations. These survey data were spatially and temporally layered onto long-term databases of fire perimeters for Alaska and western Canada, providing a record of waterfowl transects which had

Oceanographic and Water Quality Measurements in Chincoteague Bay, Maryland/Virginia, 2014 - 2015

This web page provides access to oceanographic, meteorological, and water quality observations made at fourteen locations in Chincoteague Bay as part of the Estuarine Physical Response to Storms (EPR) program. The primary objective was to measure the physical response of the system to storm events, and identify processes that may affect estuarine resilience. Bottom landing platforms with instrumen

Wave projections for United States mainland coasts

Coastal managers and ocean engineers rely heavily on projected average and extreme wave conditions for planning and design purposes, but when working on a local or regional scale, are faced with much uncertainty as changes in the global climate impart spatially-varying trends. Future storm conditions are likely to evolve in a fashion that is unlike past conditions and is ultimately dependent on th