Evaluation of a Single-Beam Sonar System to Map Seagrass at Two Sites in Northern Puget Sound, Washington
Andrew W. Stevens, Jessica R. Lacy, David P. Finlayson, Guy Gelfenbaum
2008, Scientific Investigations Report 2008-5009
Seagrass at two sites in northern Puget Sound, Possession Point and nearby Browns Bay, was mapped using both a single-beam sonar and underwater video camera. The acoustic and underwater video data were compared to evaluate the accuracy of acoustic estimates of seagrass cover. The accuracy of the acoustic method was...
Preliminary Gravity and Ground Magnetic Data in the Arbuckle Uplift near Sulphur, Oklahoma
Daniel S. Scheirer, Essam Aboud
2008, Open-File Report 2008-1003
Improving knowledge of the geology and geophysics of the Arbuckle Uplift in south-central Oklahoma is a goal of the Framework Geology of Mid-Continent Carbonate Aquifers project sponsored by the United States Geological Survey (USGS) National Cooperative Geologic Mapping Program (NCGMP). In May 2007, we collected ground magnetic and gravity observations...
Potentiometric Surfaces in the Springfield Plateau and Ozark Aquifers of Northwestern Arkansas, Southeastern Kansas, Southwestern Missouri, and Northeastern Oklahoma, 2006
Jonathan A. Gillip, John B. Czarnecki, Douglas N. Mugel
2008, Scientific Investigations Report 2007-5253
The Springfield Plateau and Ozark aquifers are important sources of ground water in the Ozark Plateaus aquifer system. Water from these aquifers is used for agricultural, domestic, industrial, and municipal water sources. Changing water use over time in these aquifers presents a need for updated potentiometric-surface maps of the Springfield...
Fecal-indicator bacteria and Escherichia coli pathogen data collected near a novel sub-irrigation water-treatment system in Lenawee County, Michigan, June-November 2007
Joseph W. Duris, Stephanie Beeler
2008, Open-File Report 2008-1025
The U.S. Geological Survey, in cooperation with the Lenawee County Conservation District in Lenawee County, Mich., conducted a sampling effort over a single growing season (June to November 2007) to evaluate the microbiological water quality around a novel livestock reservoir wetland sub-irrigation system. Samples were collected and analyzed for...
Monitoring the Earth's dynamic magnetic field
Jeffrey J. Love, David Applegate, John B. Townshend
2008, Fact Sheet 2007-3092
The mission of the U.S. Geological Survey's Geomagnetism Program is to monitor the Earth's magnetic field. Using ground-based observatories, the Program provides continuous records of magnetic field variations covering long timescales; disseminates magnetic data to various governmental, academic, and private institutions; and conducts research into the nature of geomagnetic variations...
Summary of Survival Data from Juvenile Coho Salmon in the Klamath River, Northern California, 2007
John W. Beeman
2008, Open-File Report 2008-1022
A study to estimate the effects of Iron Gate Dam discharge on ESA-listed juvenile coho salmon during their seaward migration to the ocean was begun in 2005. Estimates of survival through various reaches of river downstream from the dam were completed in 2006 and 2007 as part of this process....
Occurrence of organic compounds and trace elements in the upper Passaic and Elizabeth Rivers and their tributaries in New Jersey, July 2003 to February 2004: Phase II of the New Jersey toxics reduction workplan for New York-New Jersey Harbor
Timothy P. Wilson, Jennifer L. Bonin
2008, Scientific Investigations Report 2007-5136
Samples of surface water and suspended sediment were collected from the Passaic and Elizabeth Rivers and their tributaries in New Jersey from July 2003 to February 2004 to determine the concentrations of selected chlorinated organic and inorganic constituents. This sampling and analysis was conducted as Phase II of the New...
Application of Geographic Information System Methods to Identify Areas Yielding Water that will be Replaced by Water from the Colorado River in the Vidal and Chemehuevi Areas, California, and the Mohave Mesa Area, Arizona
Lawrence E. Spangler, Cory E. Angeroth, Sarah J. Walton
2008, Scientific Investigations Report 2007-5284
Relations between the elevation of the static water level in wells and the elevation of the accounting surface within the Colorado River aquifer in the vicinity of Vidal, California, the Chemehuevi Indian Reservation, California, and on Mohave Mesa, Arizona, were used to determine which wells outside the flood plain of...
Geology of the Northern Part of the Harcuvar Complex, West-Central Arizona
Bruce Bryant, J. L. Wooden
2008, Professional Paper 1752
In west-central Arizona near the northeast margin of the Basin and Range Province, the Rawhide detachment fault separates Tertiary and older rocks lacking significant effects of Tertiary metamorphism from Precambrian, Paleozoic, and Mesozoic rocks in the Harcuvar metamorphic core complex below. Much of the northern part of the Harcuvar complex...
Database of the geology and thermal activity of Norris Geyser Basin, Yellowstone National Park
Kathryn Flynn, Brita Graham Wall, Donald E. White, Roderick A. Hutchinson, Terry E.C. Keith, Laura Clor, Joel E. Robinson
2008, Data Series 324
This dataset contains contacts, geologic units and map boundaries from Plate 1 of USGS Professional Paper 1456, 'The Geology and Remarkable Thermal Activity of Norris Geyser Basin, Yellowstone National Park, Wyoming.' The features are contained in the Annotation, basins_poly, contours, geology_arc, geology_poly, point_features, and stream_arc feature classes as well as...
Abundance Trends and Status of the Little Colorado River Population of Humpback Chub: An Update Considering 1989-2006 Data
Coggins Jr.
2008, Open-File Report 2007-1402
EXECUTIVE SUMMARY In 1967, the humpback chub (Gila cypha) (HBC) was added to the federal list of endangered species and is today protected under the Endangered Species Act of 1973. Only six populations of humpback chub are currently known to exist, five in the Colorado River Basin above Lees Ferry, Arizona,...
Ground-water quality data in the Southern Sacramento Valley, California, 2005 — Results from the California GAMA Program
Barbara J. Milby Dawson, George L. Bennett V, Kenneth Belitz
2008, Data Series 285
Ground-water quality in the approximately 2,100 square-mile Southern Sacramento Valley study unit (SSACV) was investigated from March to June 2005 as part of the Statewide Basin Assessment Project of Ground-Water Ambient Monitoring and Assessment (GAMA) Program. This study was designed to provide a spatially unbiased assessment of raw ground-water...
Maximum spectral demands in the near-fault region
Yin-Nan Huang, Andrew S. Whittaker, Nicolas Luco
2008, Earthquake Spectra (24) 319-341
The Next Generation Attenuation (NGA) relationships for shallow crustal earthquakes in the western United States predict a rotated geometric mean of horizontal spectral demand, termed GMRotI50, and not maximum spectral demand. Differences between strike-normal, strike-parallel, geometric-mean, and maximum spectral demands in the near-fault region are...
Integrating modelling and remote sensing to identify ecosystem performance anomalies in the boreal forest, Yukon River Basin, Alaska
B.K. Wylie, L. Zhang, Norman B. Bliss, Lei Ji, Larry L. Tieszen, W. M. Jolly
2008, International Journal of Digital Earth (1) 196-220
High-latitude ecosystems are exposed to more pronounced warming effects than other parts of the globe. We develop a technique to monitor ecological changes in a way that distinguishes climate influences from disturbances. In this study, we account for climatic influences on Alaskan boreal forest performance with a data-driven model. We...
Modeling landscape evapotranspiration by integrating land surface phenology and a water balance algorithm
Gabriel B. Senay
2008, Algorithms (1) 52-68
The main objective of this study is to present an improved modeling technique called Vegetation ET (VegET) that integrates commonly used water balance algorithms with remotely sensed Land Surface Phenology (LSP) parameter to conduct operational vegetation water balance modeling of rainfed systems at the LSP’s spatial scale using readily available...
Palaeoclimate
Eystein Jansen, Jonathan Overpeck, Keith R. Briffa, Jean-Claude Duplessy, Fortunat Joos, Valerie Masson-Delmotte, Daniel Olago, Bette Otto-Bliesner, W. Richard Peltier, Stefan Rahmstorf, Rengaswamy Ramesh, Dominique Raynaud, David Rind, Olga Solomina, Ricardo Villalba, De’er Zhang, Jean-Marc Barnola, Eva M. Bauer, Esther Brady, Mark Chandler, Julia E. Cole, Edward R. Cook, Esla Cortijo, Trond Dokken, Dominik Fleitmann, Masa Kageyama, Myriam Khodri, Laurent Labeyrie, Alexander Laine, Anders Levermann, E. Mosley-Thompson, Daniel R. Muhs, Raimund Muscheler, Tim Osborn, Oyvind Paasche, Frederic Parrenin, Gian-Kasper Plattner, Henry Pollack, Renato Spahni, Lowell D. Stott, Lonnie Thompson, Claire Waelbroeck, Gregory Wiles, James Zachos, Zhangteng Guo
Susan Solomon, D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor, H. L. Miller, editor(s)
2008, Book chapter, Climate change 2007: The physical science basis
This chapter assesses palaeoclimatic data and knowledge of how the climate system changes over interannual to millennial time scales, and how well these variations can be simulated with climate models. Additional palaeoclimatic perspectives are included in other chapters. Palaeoclimate science has made significant advances since the 1970s, when a primary...
Qualitative Comparison of Streamflow Information Programs of the U.S. Geological Survey and Three Non-Federal Agencies
J. Michael Norris, Michael Lewis, Michael Dorsey, Robert Kimbrough, Robert R. Holmes Jr., Ward Staubitz
2008, Open-File Report 2007-1426
A qualitative comparison was made of the streamgaging programs of the U.S. Geological Survey (USGS) and three non-Federal agencies in terms of approximate costs and streamflow-information products produced. The three non-Federal agencies provided the USGS with detailed information on their streamgaging program and related costs, and the USGS explored, through...
Analysis of a spatial point pattern: Examining the damage to pavement and pipes in Santa Clara Valley resulting from the Loma Prieta earthquake
G. A. Phelps
2008, Open-File Report 2007-1442
This report describes some simple spatial statistical methods to explore the relationships of scattered points to geologic or other features, represented by points, lines, or areas. It also describes statistical methods to search for linear trends and clustered patterns within the scattered point data. Scattered points are often contained within...
Presentation Showing Results of a Hydrogeochemical Investigation of the Standard Mine Vicinity, Upper Elk Creek Basin, Colorado
Andrew H. Manning, Philip L. Verplanck, M. Alisa Mast, Richard B. Wanty
2008, Open-File Report 2008-1012
PREFACE This Open-File Report consists of a presentation given in Crested Butte, Colorado on December 13, 2007 to the Standard Mine Advisory Group. The presentation was paired with another presentation given by the Colorado Division of Reclamation, Mining, and Safety on the physical features and geology of the Standard Mine. The...
Volcan Baru: Eruptive History and Volcano-Hazards Assessment
David R. Sherrod, James W. Vallance, Arkin Tapia Espinosa, John P. McGeehin
2008, Open-File Report 2007-1401
Volcan Baru is a potentially active volcano in western Panama, about 35 km east of the Costa Rican border. The volcano has had four eruptive episodes during the past 1,600 years, including its most recent eruption about 400?500 years ago. Several other eruptions occurred in the prior 10,000 years. Several...
Illinois, Indiana, and Ohio Magnetic and Gravity Maps and Data: A Website for Distribution of Data
David L. Daniels, Robert P. Kucks, Patricia L. Hill
2008, Data Series 321
This web site gives the results of a USGS project to acquire the best available, public-domain, aeromagnetic and gravity data in the United States and merge these data into uniform, composite grids for each state. The results for the three states, Illinois, Indiana, and Ohio are presented here in one...
National Land Cover Database 2001 (NLCD01) Tile 2, Northeast United States: NLCD01_2
Andrew LaMotte
2008, Data Series 383-B
This 30-meter data set represents land use and land cover for the conterminous United States for the 2001 time period. The data have been arranged into four tiles to facilitate timely display and manipulation within a Geographic Information System (see http://water.usgs.gov/GIS/browse/nlcd01-partition.jpg). The National Land Cover Data Set for 2001 was...
National Land Cover Database 2001 (NLCD01) Tile 1, Northwest United States: NLCD01_1
Andrew LaMotte
2008, Data Series 383-A
This 30-meter data set represents land use and land cover for the conterminous United States for the 2001 time period. The data have been arranged into four tiles to facilitate timely display and manipulation within a Geographic Information System (see http://water.usgs.gov/GIS/browse/nlcd01-partition.jpg). The National Land Cover Data Set for 2001 was...
Water-Quality Data Collected from Vallecito Reservoir, Its Inflows and Outflow, Southwestern Colorado, 1999-2002
Anthony J. Ranalli
2008, Data Series 305
The Pine River Watershed Stakeholders Group was created in December 1997 to allow local participation in addressing water-quality issues in Los Pi?os River watershed, including Vallecito Reservoir in southwestern Colorado. One water-quality issue identified by the stakeholder group is to increase the understanding of the current water quality of Vallecito...
Database for Assessment Unit-Scale Analogs (Exclusive of the United States)
Ronald R. Charpentier, T. R. Klett, Emil Attanasi
2008, Open-File Report 2007-1404
This publication presents a database of geologic analogs useful for the assessment of undiscovered oil and gas resources. Particularly in frontier areas, where few oil and gas fields have been discovered, assessment methods such as discovery process models may not be usable. In such cases, comparison of the assessment area...