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U.S. possessions and associated areas
Subtopics:
America Samoa (1 items)
Virgin Islands of the United States (15 items)
Guam (3 items)
Puerto Rico (19 items)
Results 1 - 31 of 31 listed alphabetically [list by similarity]
Amphibians & reptiles of the southeastern United States and the U.S. Virgin Islands [More info]
Links to information on species of frogs, toads, and salamanders located in the southeastern United States and the U.S. Virgin Islands, with information on appearance, habitats, calls, and status, plus photos, glossary, and provisional data.
PDF Buck Island Reef National Monument Sea Turtle Research Program: Sea turtle nesting research & monitoring protocols manual [More info]
Manual for research program on the nesting habits of sea turtles of the Virgin Islands, with descriptions of species, nesting behavior, observation methods, record keeping, tagging, and tissue sample collection. (PDF file, 121 pp.)
Connectivity of tropical marine ecosystems--An overview of interdisciplinary research to understand biodiversity and trophic relationships in the Virgin Islands and Puerto Rico [More info]
Describes research to assess the effectiveness of the current system and distribution of marine reserves and protected areas in the Virgin Islands and Puerto Rico for conserving reef ecosystems and resources.
PDF Coral Diseases Following Massive Bleaching in 2005 Cause 60 Percent Decline in Coral Cover and Mortality of the Threatened Species, Acropora Palmata, on Reefs in the U.S. Virgin Islands [More info]
Record-high seawater temperatures and calm seas in the summer of 2005 led to the most severe coral bleaching (death) ever observed in the U.S. Virgin Islands.
County boundaries 2001: map layer description file [More info]
One of many map layers of the National Atlas giving county boundaries with metadata. The county boundaries map layer can be downloaded in shapefile or SDTS formats.
Earthquakes and tsunamis in Puerto Rico and the U.S. Virgin Islands [More info]
Fact sheet on hazards from earthquakes and tsunamis in Puerto Rico and the U.S. Virgin Islands to be downloaded as a PDF file or viewed as an Adobe Acrobat Reader file.
PDF Effects of Ocean Acidification and Sea-Level Rise on Coral Reefs [More info]
By measuring the current and historical growth rates of coral skeletons, and using field experiments, we intend to find out whether rising atmospheric CO2 and rising sea levels will cause coral reefs to erode and cease to function.
Executive summary, workshop: seismic and tsunami hazard in Puerto Rico and the Virgin Islands [More info]
Summary of workshop with links to reports that are recommendations for future projects.
PDF Groundwater availability study for Guam; goals, approach, products, and schedule of activities [More info]
Process and plan to be used to provide reliable evaluations of the potential effects of groundwater production and help guide sustainable management of the resource.
National Cooperative Geologic Mapping Program [More info]
Geological mapping carried out by USGS in close cooperation with state, university, and federal partners. Includes general information about geological maps and mapping standards.
National Hydrography Dataset (NHD) [More info]
Main page for National Hydrography Dataset (NHD), a comprehensive set of digital spatial data about surface water features, with links to references, data, software tools, applications, tutorials, technical support, and data maintenance.
North American Breeding Bird Survey (BBS) [More info]
North American Breeding Bird Survey (BBS) is a cooperative program that monitors the status and trends of North American bird populations. Includes files of results, analyses, route collection maps and raw data.
Real-time flood alert system for Puerto Rico [More info]
Web-based analytical facility designed to integrate data relevant to flood emergencies in Puerto Rico.
Real-time water levels for reservoirs in Puerto Rico [More info]
Links to stations in Puerto Rico for real-time information on water levels for reservoirs.
PDF Science Goals of the U.S. Department of the Interior Southeast Climate Science Center [More info]
A list of research topics we expect to undertake, with a short statement for each one explaining the rationale and benefit of pursuing that goal.
ShakeMap [More info]
ShakeMap sites provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.
PDF Source, Use, and Disposition of Freshwater in Puerto Rico, 2005 [More info]
Quantitative analysis of water use statistics for Puerto Rico, showing domestic, agricultural, industrial, and electric power as the main offstream uses.
Southeastern Amphibian Research and Monitoring Initiative [More info]
Overview of the Southeastern Amphibian Research and Monitoring Initiative, annual report, field methods and protocols, statistical design and analysis, glossary, projects, and lists of frogs, toads and salamanders.
PDF Streamflow of 2007--Water year summary [More info]
A broad survey of regional patterns in stream flow nationwide. Maps and graphs summarizing streamflow conditions for water-year 2007 (October 1, 2006 to September 30, 2007) in the context of the 78-year period 1930-2007.
Streamflow of 2008--Water year summary [More info]
A broad survey of regional patterns in stream flow nationwide. Maps and graphs summarizing streamflow conditions for water-year 0810 (October 1, 2007 to September 30, 2008) in the context of the 79-year period 1930-2008.
Streamflow of 2009--Water year summary [More info]
A broad survey of regional patterns in stream flow nationwide. Maps and graphs summarizing streamflow conditions for water-year 2009 (October 1, 2008 to September 30, 2000) in the context of the 80-year period 1930-2009.
Streamflow of 2010--Water year summary [More info]
A broad survey of regional patterns in stream flow nationwide. Maps and graphs summarizing streamflow conditions for water-year 2010 (October 1, 2009 to September 30, 2010) in the context of the 81-year period 1930-2010.
PDF Streamflow of 2011 - Water Year Summary [More info]
A broad survey of regional patterns in stream flow nationwide. Maps and graphs summarizing streamflow conditions for water-year 2011 (October 1, 2010 to September 30, 2011) in the context of the 82-year period 1930-2011.
Summary report of nonindigenous aquatic species in U.S. Fish and Wildlife Service Region 4 [More info]
Report prepared for the U.S. Fish and Wildlife Service with descriptions of exotic aquatic species introduced in the southeast United States with information on populations, geographic distribution, and origins.
The National Map Viewer [More info]
National Map Viewer, a GIS application, is a Web-enabled portal to the geospatial information contained in The National Map. It supports on-line access and allows the download of digital data and creation of cartographic products.
PDF USGS Hydro-Climatic Data Network 2009 (HCDN?2009) [More info]
This updated subset of USGS streamgages for which the streamflow primarily reflects prevailing meteorological conditions for specified years, screened to exclude sites where human activity affects the natural flow of the watercourse.
USGS Pacific coral reefs website [More info]
Overview of research in the Hawaiian Islands and Guam to gain insight into the structure of coral reefs, to provide the basis for future monitoring, and to understand the influences of natural processes and human activities on coral reef health.
PDF USGS St. Petersburg Coastal and Marine Science Center--Research activities in the U.S. Virgin Islands [More info]
Explains type of information we collect and the problems we study in this area, focusing on coral reef ecosystems, ocean acidification, and sea-level change.
Water resources of the Caribbean [More info]
USGS home page for the Caribbean, U.S. Virgin Islands, and Puerto Rico with links to projects, GIS data, publications, and real-time data for streamflow and rainfall of Puerto Rico, U.S. Virgin Islands, El Salvador, Guatemala, and Honduras.
Water, Energy, and Biogeochemical Budgets (WEBB) [More info]
Describes the studies of five small watersheds, four in the U.S. and one in Puerto Rico, under the WEBB program to understand the processes controlling water, energy, and biogeochemical fluxes with links to other watershed research.
Water-related scientific programs in Hawaii and Pacific islands [More info]
Overview of water-related scientific programs in Hawaii and Pacific islands (Northern Marianas, Guam, Palau, and American Samoa). Links to programs on hydrologic data collection, ground water availability, and surface runoff.
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