Application of spatially gridded temperature and land cover data sets for urban heat island analysis
Kevin Gallo, George Z. Xian
2014, Urban Climate (8) 1-10
Two gridded data sets that included (1) daily mean temperatures from 2006 through 2011 and (2) satellite-derived impervious surface area, were combined for a spatial analysis of the urban heat-island effect within the Dallas-Ft. Worth Texas region. The primary advantage of using these combined datasets included the capability to designate...
Land-margin ecosystem hydrologic data for the coastal Everglades, Florida, water years 1996-2012
Gordon H. Anderson, Thomas J. Smith III, Karen M. Balentine
2014, Data Series 853
Mangrove forests and salt marshes dominate the landscape of the coastal Everglades (Odum and McIvor, 1990). However, the ecological effects from potential sea-level rise and increased water flows from planned freshwater Everglades restoration on these coastal systems are poorly understood. The National Park Service (NPS) proposed the South Florida Global...
A pier-scour database: 2,427 field and laboratory measurements of pier scour
Stephen T. Benedict, Andral W. Caldwell
2014, Data Series 845
The U.S. Geological Survey conducted a literature review to identify potential sources of published pier-scour data, and selected data were compiled into a digital spreadsheet called the 2014 USGS Pier-Scour Database (PSDb-2014) consisting of 569 laboratory and 1,858 field measurements. These data encompass a wide range of laboratory and field...
Three-dimensional seismic velocity structure of Mauna Loa and Kilauea volcanoes in Hawaii from local seismic tomography
Guoqing Lin, Peter M. Shearer, Robin S. Matoza, Paul G. Okubo, Falk Amelung
2014, Journal of Geophysical Research B: Solid Earth (119) 4377-4392
We present a new three-dimensional seismic velocity model of the crustal and upper mantle structure for Mauna Loa and Kilauea volcanoes in Hawaii. Our model is derived from the first-arrival times of the compressional and shear waves from about 53,000 events on and near the Island of Hawaii between 1992...
An analysis of potential water availability from the Charles Mill, Clendening, Piedmont, Pleasant Hill, Senecaville, and Wills Creek Lakes in the Muskingum River Watershed, Ohio
G. F. Koltun
2014, Scientific Investigations Report 2014-5071
This report presents the results of a study to assess potential water availability from the Charles Mill, Clendening, Piedmont, Pleasant Hill, Senecaville, and Wills Creek Lakes, located within the Muskingum River Watershed, Ohio. The assessment was based on the criterion that water withdrawals should not appreciably affect maintenance of recreation-season...
Connecting the dots: a collaborative USGS-NPS effort to expand the utility of monitoring data
James B. Grace, Donald R. Schoolmaster Jr., E. William Schweiger, Brian R. Mitchell, Kathryn Miller, Glenn R. Guntenspergen
2014, The George Wright Forum (31) 181-190
The Natural Resource Challenge (National Park Service 1999) was a call to action. It constituted a mandate for monitoring based on the twin premises that (1) natural resources in national parks require active management and stewardship if we are to protect them from gradual degradation, and (2) we cannot protect...
Extending the turbidity record: making additional use of continuous data from turbidity, acoustic-Doppler, and laser diffraction instruments and suspended-sediment samples in the Colorado River in Grand Canyon
Nicholas Voichick, David J. Topping
2014, Scientific Investigations Report 2014-5097
Turbidity is a measure of the scattering and absorption of light in water, which in rivers is primarily caused by particles, usually sediment, suspended in the water. Turbidity varies significantly with differences in the design of the instrument measuring turbidity, a point that is illustrated in this study by side-by-side...
Electron microprobe analyses of glasses from Kīlauea tephra units, Kīlauea Volcano, Hawaii
Rosalind L. Helz, David A. Clague, Larry G. Mastin, Timothy R. Rose
2014, Open-File Report 2014-1090
This report presents approximately 2,100 glass analyses from three tephra units of Kīlauea Volcano: the Keanakākoʻi Tephra, the Kulanaokuaiki Tephra, and the Pāhala Ash. It also includes some new analyses obtained as part of a re-evaluation of the MgO contents of glasses in two of the three original datasets; this...
Proceedings of the U.S. Geological Survey Eighth Biennial Geographic Information Science Workshop and first The National Map Users Conference, Denver, Colorado, May 10-13, 2011
Jennifer B. Sieverling, Jeffrey Dietterle, editor(s)
2014, Scientific Investigations Report 2011-5053
The U.S. Geological Survey (USGS) is sponsoring the first The National Map Users Conference in conjunction with the eighth biennial Geographic Information Science (GIS) Workshop on May 10-13, 2011, in Lakewood, Colorado. The GIS Workshop will be held at the USGS National Training Center, located on the Denver Federal Center,...
Organizing phenological data resources to inform natural resource conservation
Alyssa H. Rosemartin, Theresa Crimmins, Carolyn A.F. Enquist, Katharine L. Gerst, Jherime L. Kellermann, Erin E. Posthumus, Ellen G. Denny, Patricia Guertin, Lee Marsh, Jake F. Weltzin
2014, Biological Conservation (173) 90-97
Changes in the timing of plant and animal life cycle events, in response to climate change, are already happening across the globe. The impacts of these changes may affect biodiversity via disruption to mutualisms, trophic mismatches, invasions and population declines. To understand the nature, causes and consequences of changed, varied...
An approach for filtering hyperbolically positioned underwater acoustic telemetry data with position precision estimates
Trevor D. Meckley, Christopher M. Holbrook, C. Michael Wagner, Thomas R. Binder
2014, Animal Biotelemetry (2)
Background Telemetry systems that estimate animal positions with hyperbolic positioning algorithms also provide a technology-specific estimate of position precision (e.g., horizontal position error (HPE) for the VEMCO positioning system). Position precision estimates (e.g., dilution of precision for a global positioning system (GPS)) have been used extensively to identify and remove positions...
Standardized phenology monitoring methods to track plant and animal activity for science and resource management applications
Ellen G. Denny, Katharine L. Gerst, Abraham J. Miller-Rushing, Geraldine L. Tierney, Theresa Crimmins, Carolyn A.F. Enquist, Patricia Guertin, Alyssa H. Rosemartin, Mark D. Schwartz, Kathryn A. Thomas, Jake F. Weltzin
2014, International Journal of Biometeorology (58) 591-601
Phenology offers critical insights into the responses of species to climate change; shifts in species’ phenologies can result in disruptions to the ecosystem processes and services upon which human livelihood depends. To better detect such shifts, scientists need long-term phenological records covering many taxa and across a broad geographic distribution....
Quantifying the effectiveness of conservation measures to control the spread of anthropogenic hybridization in stream salmonids: A climate adaptation case study
Robert K. Al-Chokhachy, Clint C. Muhlfeld, Matthew Boyer, Leslie A. Jones, Amber Steed, Jeffrey L. Kershner
2014, North American Journal of Fisheries Management (34) 642-652
Quantifying the effectiveness of management actions to mitigate the effects of changing climatic conditions (i.e., climate adaptation) can be difficult, yet critical for conservation. We used population genetic data from 1984 to 2011 to assess the degree to which ambient climatic conditions and targeted suppression of sources of nonnative Rainbow...
Prevalence, transmission, and genetic diversity of blood parasites infecting tundra-nesting geese in Alaska
Andrew M. Ramey, John A. Reed, Joel A. Schmutz, Tom F. Fondell, Brandt W. Meixell, Jerry W. Hupp, David H. Ward, John Terenzi, Craig R. Ely
2014, Canadian Journal of Zoology (92) 699-706
A total of 842 blood samples collected from five species of tundra-nesting geese in Alaska was screened for haemosporidian parasites using molecular techniques. Parasites of the generaLeucocytozoon Danilewsky, 1890, Haemoproteus Kruse, 1890, and Plasmodium Marchiafava and Celli, 1885 were detected in 169 (20%), 3 (<1%), and 0 (0%) samples, respectively. Occupancy modeling was used to...
Factors affecting temporal variability of arsenic in groundwater used for drinking water supply in the United States
Joseph D. Ayotte, Marcel Belaval, Scott A. Olson, Karen R. Burow, Sarah M. Flanagan, Stephen R. Hinkle, Bruce D. Lindsey
2014, Science of the Total Environment (505) 1370-1379
The occurrence of arsenic in groundwater is a recognized environmental hazard with worldwide importance and much effort has been focused on surveying and predicting where arsenic occurs. Temporal variability is one aspect of this environmental hazard that has until recently received less attention than other aspects. For this study, we...
Tsunami forecast by joint inversion of real-time tsunami waveforms and seismic of GPS data: application to the Tohoku 2011 tsunami
Wei Yong, Andrew V. Newman, Gavin P. Hayes, Vasily V. Titov, Liujuan Tang
2014, Pure and Applied Geophysics (171) 3281-3305
Correctly characterizing tsunami source generation is the most critical component of modern tsunami forecasting. Although difficult to quantify directly, a tsunami source can be modeled via different methods using a variety of measurements from deep-ocean tsunameters, seismometers, GPS, and other advanced instruments, some of which in or near real time....
Development of flood-inundation maps for the Mississippi River in Saint Paul, Minnesota
Christiana R. Czuba, James D. Fallon, Corby R. Lewis, Diane F. Cooper
2014, Scientific Investigations Report 2014-5079
Digital flood-inundation maps for a 6.3-mile reach of the Mississippi River in Saint Paul, Minnesota, were developed through a multi-agency effort by the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers and in collaboration with the National Weather Service. The inundation maps, which can be accessed...
Groundwater levels and water quality during a 96-hour aquifer test in Pickaway County, Ohio, 2012
Ralph J. Haefner, Donna L. Runkle, Brian E. Mailot
2014, Scientific Investigations Report 2014-5040
During October–November 2012, a 96-hour aquifer test was performed at a proposed well field in northern Pickaway County, Ohio, to investigate groundwater with elevated nitrate concentrations. Earlier sampling done by the City of Columbus revealed that some wells had concentrations of nitrate that approached 10 milligrams per liter (mg/L), whereas...
Temperature data acquired from the DOI/GTN-P Deep Borehole Array on the Arctic Slope of Alaska, 1973-2013
Gary D. Clow
2014, Earth System Science Data (6) 201-218
A homogeneous set of temperature measurements obtained from the DOI/GTN-P Deep Borehole Array between 1973 and 2013 is presented; DOI/GTN-P is the US Department of the Interior contribution to the Global Terrestrial Network for Permafrost (GTN-P). The 23-element array is located on the Arctic Slope of Alaska, a region of cold...
Discharge, water temperature, and selected meteorological data for Vancouver Lake, Vancouver, Washington, water years 2011-13
James R. Foreman, Cameron A. Marshall, Rich W. Sheibley
2014, Data Series 849
The U.S. Geological Survey partnered with the Vancouver Lake Watershed Partnership in a 2-year intensive study to quantify the movement of water and nutrients through Vancouver Lake in Vancouver, Washington. This report is intended to assist the Vancouver Lake Watershed Partnership in evaluating potential courses of action to mitigate seasonally...
Spatial distribution of loggerhead turtle (Caretta caretta) emergences along a highly dynamic beach in the northern Gulf of Mexico
Margaret M. Lamont, Chris Houser
2014, Journal of Experimental Marine Biology and Ecology (453) 98-107
As coastlines change due to sea level rise and an increasing human presence, understanding how species, such as marine turtles, respond to alterations in habitat is necessary for proper management and conservation. Survey data from a major nesting beach in the northern Gulf of Mexico, where a revetment was installed,...
Tailoring point counts for inference about avian density: dealing with nondetection and availability
Fred A. Johnson, Robert M. Dorazio, Traci D. Castellon, Julien Martin, Jay O. Garcia, James D. Nichols
2014, Natural Resource Modeling (27) 163-177
Point counts are commonly used for bird surveys, but interpretation is ambiguous unless there is an accounting for the imperfect detection of individuals. We show how repeated point counts, supplemented by observation distances, can account for two aspects of the counting process: (1) detection of birds conditional on being available...
Large biases in regression-based constituent flux estimates: causes and diagnostic tools
Robert M. Hirsch
2014, Journal of the American Water Resources Association (50) 1401-1424
It has been documented in the literature that, in some cases, widely used regression-based models can produce severely biased estimates of long-term mean river fluxes of various constituents. These models, estimated using sample values of concentration, discharge, and date, are used to compute estimated fluxes for a multiyear period at...
Low-altitude photographic transects of the Arctic Network of National Park Units and Selawik National Wildlife Refuge, Alaska, July 2013
Bruce G. Marcot, M. Torre Jorgenson, Anthony R. DeGange
2014, Data Series 846
During July 16–18, 2013, low-level photography flights were conducted (with a Cessna 185 with floats and a Cessna 206 with tundra tires) over the five administrative units of the National Park Service Arctic Network (Bering Land Bridge National Preserve, Cape Krusenstern National Monument, Gates of the Arctic National Park and...
Fuzzy boundaries: color and gene flow patterns among parapatric lineages of the western shovel-nosed snake and taxonomic implication
Dustin A. Wood, Robert N. Fisher, Amy G. Vandergast
2014, PLoS ONE (9)
Accurate delineation of lineage diversity is increasingly important, as species distributions are becoming more reduced and threatened. During the last century, the subspecies category was often used to denote phenotypic variation within a species range and to provide a framework for understanding lineage differentiation, often considered incipient speciation. While this...