Fort Collins Science Center: Fiscal Year 2007 Accomplishments
J.T. Wilson
2008, Open-File Report 2008-1092
In Fiscal Year 2007 (FY07), the U.S. Geological Survey (USGS) Fort Collins Science Center (FORT) continued research vital to U.S. Department of the Interior science and management needs and associated USGS programmatic goals. FORT work also supported the science needs of other government agencies as well as private cooperators. Specifically,...
Geologic map of Mount St. Helens, Washington prior to the 1980 eruption
Clifford A. Hopson
2008, Open-File Report 2002-468
It is rare that a geologic map exists for a volcano prior to such a catastrophic modification as that produced by the eruption of Mount St. Helens in 1980. As such, this map provides an important historical record of the volcano prior to that eruption. The map has not been...
Radiocarbon dates from volcanic deposits of the Chaos Craigs and Cinder Cone eruptive sequences and other deposits, Lassen Volcanic National Park and vicinity, California
Michael A. Clynne, Robert L. Christiansen, Deborah A. Trimble, John P. McGeehin
2008, Open-File Report 2002-290
This contribution reports radiocarbon ages obtained from charcoal, wood and other samples collected between 1979 and 2001 in Lassen Volcanic National Park and vicinity and a few samples from other nearby localities. Most of the samples are from the Chaos Crags and Cinder Cone eruptive sequences. Brief summaries are given...
A Quantitative Threats Analysis for the Florida Manatee (Trichechus manatus latirostris)
Michael C. Runge, Carol A. Sanders-Reed, Catherine A. Langtimm, Christopher J. Fonnesbeck
2007, Open-File Report 2007-1086
The Florida manatee (Trichechus manatus latirostris) is an endangered marine mammal endemic to the southeastern United States. The primary threats to manatee populations are collisions with watercraft and the potential loss of warm-water refuges. For the purposes of listing, recovery, and regulation under the Endangered Species Act (ESA), an understanding...
A core stochastic population projection model for Florida manatees (Trichechus manatus latirostris)
Michael C. Runge, Carol A. Sanders-Reed, Christopher J. Fonnesbeck
2007, Open-File Report 2007-1082
A stochastic, stage-based population model was developed to describe the life history and forecast the population dynamics of the Florida manatee (Trichechus manatus latirostris) in four separate regions of Florida. This population model includes annual variability in survival and reproductive rates, demographic stochasticity, effects of changes in warm-water capacity, and...
Vulnerability of National Park Service beaches to inundation during a direct hurricane landfall: Cumberland Island National Seashore
Hilary F. Stockdon, David M. Thompson, Laura A. Fauver
2007, Open-File Report 2007-1387
Cumberland Island National Seashore, a barrier-island coastal park in Georgia, is vulnerable to the powerful, sand-moving forces of hurricanes. Waves and storm surge associated with these strong tropical storms are part of the natural process of barrier-island evolution and can cause extensive morphologic changes in coastal parks, leading to reduced...
Vulnerability of National Park Service beaches to inundation during a direct hurricane landfall: Cape Lookout National Seashore
Hilary F. Stockdon, David M. Thompson
2007, Open-File Report 2007-1376
Cape Lookout National Seashore, a barrier-island coastal park in North Carolina, is vulnerable to the powerful, sand-moving forces of hurricanes. Waves and storm surge associated with these strong tropical storms are part of a natural process in barrier-island evolution and can cause extensive morphologic changes in coastal parks, leading to...
Coastal change-potential assessment of Sleeping Bear Dunes, Indiana Dunes, and Apostle Islands National Lakeshores to lake-level changes
Elizabeth A. Pendleton, E. Robert Thieler, S. Jeffress Williams
2007, Open-File Report 2005-1249
A change-potential index (CPI) was used to map the susceptibility of the shoreline to future lake-level change within Apostle Islands, Indiana Dunes, and Sleeping Bear Dunes National Lakeshores (NL) along Lake Superior and Lake Michigan. The CPI in the Great Lakes setting ranks the following in terms of their physical...
EAARL Topography-Sagamore Hill National Historic Site
John Brock, C. Wayne Wright, Amar Nayegandhi, Matt Patterson, Laurinda J. Travers
2007, Open-File Report 2007-1394
This Web site contains lidar-derived bare earth (BE) and first return (FR) topography maps and GIS files for the Sagamore Hill National Historic Site. These lidar-derived topography maps were produced as a collaborative effort between the U.S. Geological Survey (USGS) Coastal and Marine Geology Program, FISC St. Petersburg, Florida, the National...
EAARL Topography-Padre Island National Seashore
John Brock, C. Wayne Wright, Amar Nayegandhi, Matt Patterson, Iris Wilson, Laurinda J. Travers
2007, Open-File Report 2007-1431
This Web site contains 116 Lidar-derived bare earth topography maps and GIS files for Padre Island National Seashore-Texas. These Lidar-derived topography maps were produced as a collaborative effort between the U.S. Geological Survey (USGS) Florida Integrated Science Center (FISC) St. Petersburg, Florida, the National Park Service (NPS) Gulf Coast Network, Inventory...
EAARL Submarine Topography - Northern Florida Keys Reef Tract
John Brock, C. Wayne Wright, Amar Nayegandhi, Matt Patterson, Laurinda J. Travers, Iris Wilson
2007, Open-File Report 2007-1432
This Web site contains 32 Lidar-derived bare earth topography maps and GIS files for the Northern Florida Keys Reef Tract. These lidar-derived submarine topographic maps were produced as a collaborative effort between the U.S. Geological Survey (USGS) Coastal and Marine Geology Program, FISC St. Petersburg, Florida, the National Park Service (NPS)...
Report of the First National Lidar Initiative Meeting, February 14-16, Reston, Va.
Jason M. Stoker, Jay Parrish, David Gisclair, David Harding, Ralph Haugerud, Martin Flood, Hans-Erik Andersen, Karen Schuckman, David Maune, Paul Rooney, Kirk Waters, Ayman Habib, Eddie Wiggins, Bryon Ellingson, Benjamin M. Jones, Steve Nechero, Amar Nayegandhi, Tim Saultz, George Lee
2007, Open-File Report 2007-1189
The first National Lidar Initiative meeting was held on February 14-16, 2007 at the USGS National Center in Reston, Virginia. This meeting was a successor to a meeting held September 12, 2006 of several agencies, including the National Aeronautics and Space Administration (NASA), the Association of American State Geologists (AASG),...
Vascular Plant and Vertebrate Inventory of Saguaro National Park, Tucson Mountain District
William L. Halvorson, Cecilia A. Schmidt, Brian F. Powell
2007, Open-File Report 2007-1296
This report summarizes the results of the first comprehensive inventory of plants and vertebrates at the Tucson Mountain District (TMD) of Saguaro National Park, Arizona. From 2001 to 2003 we surveyed for vascular plants and vertebrates (amphibians, reptiles, birds, and mammals) at the district to document the presence of species...
Vascular Plant and Vertebrate Inventory of Coronado National Memorial
Brian F. Powell, Don E. Swann, William L. Halvorson
Cecilia A. Schmidt, editor(s)
2007, Open-File Report 2007-1393
We conducted inventories for amphibians and reptiles, birds, and mammals; and summarized past inventories for vascular plants at Coronado National Memorial (NM) in Arizona. We used our data as well as data from previous research to compile species lists for the memorial, assess inventory completeness, and make suggestions on future...
Vascular Plant and Vertebrate Inventory of Tonto National Monument
Eric W. Albrecht, Brian F. Powell, William L. Halvorson, Cecilia A. Schmidt
2007, Open-File Report 2007-1295
This report summarizes the results of the first biological inventory of plants and vertebrates at Tonto National Monument (NM). From 2001 to 2003, we surveyed for vascular plants and vertebrates (amphibians, reptiles, birds, and mammals) at Tonto NM to record species presence. We focused most of our efforts along the...
Long-term and storm-related shoreline change trends in the Florida Gulf Islands National Seashore
C.J. Hapke, M. Christiano
2007, Open-File Report 2007-1392.
Coastal erosion on Northern Gulf of Mexico barrier islands is an ongoing issue that was exacerbated by the storm seasons of 2004 and 2005 when several hurricanes made landfall in the Gulf of Mexico. Two units of the Gulf Islands National Seashore (GUIS), located on Santa Rosa Island, a barrier...
Surface-source downhole seismic analysis in R
Eric M. Thompson
2007, Open-File Report 2007-1124
This report discusses a method for interpreting a layered slowness or velocity model from surface-source downhole seismic data originally presented by Boore (2003). I have implemented this method in the statistical computing language R (R Development Core Team, 2007), so that it is freely and easily available to researchers and...
Chemical data for rock, sediment, biological, precipitate, and water samples from abandoned copper mines in Prince William Sound, Alaska
Randolph A. Koski, LeeAnn Munk
2007, Open-File Report 2007-1359-A-D
In the early 20th century, approximately 6 million metric tons of copper ore were mined from numerous deposits located along the shorelines of fjords and islands in Prince William Sound, Alaska. At the Beatson, Ellamar, and Threeman mine sites (fig. 1), rocks containing Fe, Cu, Zn, and Pb sulfide minerals...
Historical Shoreline Changes at Rincon, Puerto Rico, 1936-2006
E. Robert Thieler, Rafael W. Rodriguez, Emily A. Himmelstoss
2007, Open-File Report 2007-1017
The coast from Punta Higuero to Punta Cadena in Rincon, Puerto Rico is experiencing long-term erosion. This study documents historical shoreline changes at Rincon for the period 1936-2006 and constitutes a significant expansion and revision of previous work. The study area extends approximately 8 km from Punta Higuero to Punta...
Forest Bird Distribution, Density and Trends in the Ka'u Region of Hawai'i Island
P. Marcos Gorresen, Richard J. Camp, Thane K. Pratt
2007, Open-File Report 2007-1076
An accurate and current measure of population status and trend is necessary for conservation and management efforts. Scott and Kepler (1985) provided a comprehensive review of the status of native Hawaiian birds based on the extensive Hawaii Forest Bird Survey (HFBS) of the main islands (Scott et al. 1986). At...
Native Fish Sanctuary Project - Sanctuary Development Phase, 2007 Annual Report
Gordon A. Mueller
2007, Open-File Report 2008-1126
Notable progress was made in 2007 toward the development of native fish facilities in the Lower Colorado River Basin. More than a dozen facilities are, or soon will be, online to benefit native fish. When this study began in 2005 no self-supporting communities of either bonytail or razorback sucker existed....
Digital mapping techniques '06 - Workshop proceedings
David R. Soller, editor(s)
2007, Open-File Report 2007-1285
The Digital Mapping Techniques '06 (DMT'06) workshop was attended by more than 110 technical experts from 51 agencies, universities, and private companies, including representatives from 27 state geological surveys (see Appendix A of these Proceedings). This workshop was similar in nature to the previous nine meetings, which were held in...
EAARL topography: Cape Cod National Seashore
John Brock, C. Wayne Wright, Matt Patterson, Amar Nayegandhi, Laurinda J. Travers
2007, Open-File Report 2007-1375
This Web site contains 90 Lidar-derived bare earth topography maps and GIS files for the Cape Cod National Seashore. These Lidar-derived topography maps were produced as a collaborative effort between the U.S. Geological Survey (USGS) Florida Integrated Science Center (FISC) St. Petersburg, Florida, the National Park Service (NPS), Northeast Coastal and...
EAARL topography: Gulf Islands National Seashore: Florida
John Brock, C. Wayne Wright, Amar Nayegandhi, Matt Patterson, Iris Wilson, Laurinda J. Travers
2007, Open-File Report 2007-1422
This Web site contains 33 lidar-derived bare earth topography maps and GIS files for the Gulf Islands National Seashore-Florida.These lidar-derived topography maps were produced as a collaborative effort between the U.S. Geological Survey (USGS) Coastal and Marine Geology Program, FISC St. Petersburg, Florida, the National Park Service (NPS), Gulf Coast...
EL68D Wasteway Watershed Land-Cover Generation
Sheila Ruhl, E. Lynn Usery, Michael P. Finn
2007, Open-File Report 2007-1143
Classification of land cover from Landsat Enhanced Thematic Mapper Plus (ETM+) for the EL68D Wasteway Watershed in the State of Washington is documented. The procedures for classification include use of two ETM+ scenes in a simultaneous unsupervised classification process supported by extensive field data collection using Global Positioning System receivers...