Loess records: North America
H.M. Roberts, D.R. Muhs, E. Arthur Bettis III
S. Elias, editor(s)
2007, Book chapter, Encyclopedia of Quaternary Sciences
Dune fields: mid-latitudes
Jielun Sun, D.R. Muhs
S. Elias, editor(s)
2007, Book chapter, Encyclopedia of Quaternary Science
Loess deposits, origins and properties
D.R. Muhs
S. Elias, editor(s)
2007, Book chapter, Encyclopedia of Quaternary Science
A Monte Carlo simulation method for the assessment of undiscovered, conventional oil and gas: Chapter 26 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
Ronald R. Charpentier, T. R. Klett
2007, Professional Paper 1713-26
The U.S. Geological Survey has developed two Monte Carlo programs for assessment of undiscovered conventional oil and gas resources. EMCEE (for Energy Monte Carlo) and Emc2 (for Energy Monte Carlo program 2) are programs that calculate probabilistic estimates of undiscovered resources based on input distributions for numbers and sizes of...
Data sources and compilation: Chapter 27 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
T. R. Klett, James W. Schmoker
2007, Professional Paper 1713-27
Geologic, production, and exploration/discovery-history data are used by the U.S. Geological Survey to aid in the assessment of petroleum resources. These data, as well as the broad knowledge and experience of the assessing geologists, are synthesized to provide, for each assessment unit, geologic and exploration models upon which estimates are...
U.S. Geological Survey input-data form and operational procedure for the assessment of conventional petroleum accumulations: Chapter 25 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
T. R. Klett, James W. Schmoker, Ronald R. Charpentier
2007, Professional Paper 1713-25
The U.S. Geological Survey model for undiscovered conventional accumulations is designed to aid in the assessment of crude oil, natural gas, and natural gas liquids (collectively called petroleum) resources. Conventional accumulations may be described in terms of discrete fields or pools localized in structural and stratigraphic traps by the buoyancy...
Conversion factors (approximate): Chapter 31 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
2007, Professional Paper 1713-31
In 2003, the U.S. Geological Survey (USGS) completed an assessment of the oil and gas resource potential of the San Joaquin Basin Province of California. The assessment is based on the geologic elements of each Total Petroleum System defined in the province, including hydrocarbon source rocks (source-rock type and maturation...
Middle Tertiary stratigraphic sequences of the San Joaquin Basin, California
Cari L. Johnson, Stephan A. Graham
2007, Professional Paper 1713-6
An integrated database of outcrop studies, borehole logs, and seismic-reflection profiles is used to divide Eocene through Miocene strata of the central and southern San Joaquin Basin, California, into a framework of nine stratigraphic sequences. These third- and higher-order sequences (<3 m.y. duration) comprise the principal intervals for petroleum assessment...
Abbreviations and acronyms: Chapter 30 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
T.R. Klett (compiler)
2007, Professional Paper 1713-30
No abstract available....
U.S. Geological Survey assessment concepts for conventional petroleum accumulations: Chapter 24 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
James W. Schmoker, T. R. Klett
2007, Professional Paper 1713-24
Conventional petroleum accumulations are discrete fields or pools localized in structural or stratigraphic traps by the buoyancy of oil or gas in water; they float, bubble-like, in water. This report describes the fundamental concepts supporting the U.S. Geological Survey “Seventh Approximation” model for resource assessments of conventional accumulations. The Seventh...
A brief history of oil and gas exploration in the southern San Joaquin Valley of California:
Kenneth I. Takahashi, Donald L. Gautier
2007, Professional Paper 1713-3
The Golden State got its nickname from the Sierra Nevada gold that lured so many miners and settlers to the West, but California has earned much more wealth from so-called “black gold” than from metallic gold. The San Joaquin Valley has been the principal source for most of the petroleum...
Tabular data and graphical images in support of the U.S. Geological Survey National Oil and Gas Assessment -- San Joaquin Basin (5010): Chapter 28 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
T. R. Klett, P. A. Le
2007, Professional Paper 1713-28
This chapter describes data used in support of the assessment process. Digital tabular data used in this report and archival data that permit the user to perform further analyses are available elsewhere on this CD–ROM. Computers and software may import the data without transcription from the portable document format (.pdf)...
Glossary: Chapter 29 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
T. R. Klett, James W. Schmoker, Ronald R. Charpentier, Thomas S. Ahlbrandt, Gregory F. Ulmishek
2007, Professional Paper 1713-29
Selected terms of particular importance to the U.S. Geological Survey assessment of undiscovered resources in total petroleum systems are defined here. The definitions are intended to be generally explanatory rather than strictly technical. No attempt has been made to include a detailed listing of common industry definitions....
Soils at the hyperarid margin: The isotopic composition of soil carbonate from the Atacama Desert, Northern Chile
Jay Quade, Jason A. Rech, Claudio Latorre, Julio L. Betancourt, Erin Gleeson, Mary T.K. Kalin
2007, Geochimica et Cosmochimica Acta (71) 3772-3795
We evaluate the impact of exceptionally sparse plant cover (0–20%) and rainfall (2–114 mm/yr) on the stable carbon and oxygen composition of soil carbonate along elevation transects in what is among the driest places on the planet, the Atacama Desert in northern Chile. δ13C and δ18O values of carbonates from...
Inferences about winter temperatures and summer rains from the late Quaternary record of C4 perennial grasses and C3 desert shrubs in the northern Chihuahuan Desert
Camille A. Holmgren, Jodi Norris, Julio L. Betancourt
2007, Journal of Quaternary Science (22) 141-161
Late Quaternary histories of two North American desert biomes—C4 grasslands and C3 shrublands—are poorly known despite their sensitivity and potential value in reconstructing summer rains and winter temperatures. Plant macrofossil assemblages from packrat midden series in the northern Chihuahuan Desert show that C4 grasses and annuals typical of desert grassland...
Landscape scale controls on the vascular plant component of dissolved organic carbon across a freshwater delta
Robert S. Eckard, Peter J. Hernes, Brian A. Bergamaschi, Ramunas Stepanauskas, Carol Kendall
2007, Geochimica et Cosmochimica Acta (71) 5968-5984
Lignin phenol concentrations and compositions were determined on dissolved organic carbon (DOC) extracts (XAD resins) within the Sacramento-San Joaquin River Delta (the Delta), the tidal freshwater portion of the San Francisco Bay Estuary, located in central California, USA. Fourteen stations were sampled, including the following habitats and land-use types: wetland,...
Occurrence and potential human-health relevance of volatile organic compounds in drinking water from domestic wells in the United States
Barbara L. Rowe, Patricia Toccalino, Michael J. Moran, John S. Zogorski, Curtis V. Price
2007, Environmental Health Perspectives (115) 1539-1546
BackgroundAs the population and demand for safe drinking water from domestic wells increase, it is important to examine water quality and contaminant occurrence. A national assessment in 2006 by the U.S. Geological Survey reported findings for 55 volatile organic compounds (VOCs) based on 2,401 domestic wells sampled...
Annual precipitation in the Yellowstone National Park region since AD 1173
Stephen T. Gray, Lisa J. Graumlich, Julio L. Betancourt
2007, Quaternary Research (68) 18-27
Cores and cross sections from 133 limber pine (Pinus flexilis James) and Douglas fir (Pseudotsuga menziesii (Mirbel) Franco) at four sites were used to estimate annual (July to June) precipitation in the Yellowstone National Park region for the period from AD 1173 to 1998. Examination of the long-term record shows...
Release of elements to natural water from sediments of Lake Roosevelt, Washington, USA
Anthony J. Paulson, Stephen E. Cox
2007, Environmental Toxicology and Chemistry (26) 2550-2559
Reservoir sediments from Lake Roosevelt (WA, USA) that were contaminated with smelter waste discharged into the Columbia River (BC, Canada) were examined using three measures of elemental release reflecting varying degrees of physical mixing and time scales. Aqueous concentrations of Cd, Cu, Pb, and Zn in the interstitial water of...
Testing global positioning system telemetry to study wolf predation on deer fawns
D. J. Demma, S. M. Barber-Meyer, L.D. Mech
2007, Journal of Wildlife Management (71) 2767-2775
We conducted a pilot study to test the usefulness of Global Positioning System (GPS) collars for investigating wolf (Canis lupus) predation on white-tailed deer (Odocoileus virginianus) fawns. Using GPS collars with short location-attempt intervals on 5 wolves and 5 deer during summers 2002-2004 in northeastern Minnesota, USA, demonstrated how this...
Quantifying landscape ruggedness for animal habitat analysis: A case study using bighorn sheep in the Mojave Desert
J.M. Sappington, K.M. Longshore, D.B. Thompson
2007, Journal of Wildlife Management (71) 1419-1426
Terrain ruggedness is often an important variable in wildlife habitat models. Most methods used to quantify ruggedness are indices derived from measures of slope and, as a result, are strongly correlated with slope. Using a Geographic Information System, we developed a vector ruggedness measure (VRM) of terrain based on a...
Evaluation of harmonic direction-finding systems for detecting locomotor activity
V.L. Boyarski, G.H. Rodda, J. A. Savidge
2007, Journal of Wildlife Management (71) 1704-1707
We conducted a physical simulation experiment to test the efficacy of harmonic direction finding for remotely detecting locomotor activity in animals. The ability to remotely detect movement helps to avoid disturbing natural movement behavior. Remote detection implies that the observer can sense only a change in signal bearing. In our...
Activity budgets derived from time-depth recorders in a diving mammal
James L. Bodkin, Daniel H. Monson, George G. Esslinger
2007, Journal of Wildlife Management (71) 2034-2044
We describe a method to convert continuously collected time–depth data from archival time–depth recorders (TDRs) into activity budgets for a benthic-foraging marine mammal. We used data from 14 TDRs to estimate activity-specific time budgets in sea otters (Enhydra lutris) residing near Cross Sound, southeast Alaska, USA. From the TDRs we...
Bighorn sheep response to road-related disturbances in Rocky Mountain National Park, Colorado
B.J. Keller, Louis C. Bender
2007, Journal of Wildlife Management (71) 2329-2337
Bighorn sheep (Ovis canadensis) use of Sheep Lakes mineral site, Rocky Mountain National Park, Colorado, USA, has decreased since 1996. Officials were concerned that human disturbance may have been contributing to this decline in use. We evaluated effects of vehicular traffic and other road-related disturbance on bighorn use of Sheep...
Effectiveness of scat detection dogs for detecting forest carnivores
Robert A. Long, T.M. Donovan, Paula MacKay, William J. Zielinski, Jeffrey S. Buzas
2007, Journal of Wildlife Management (71) 2007-2017
We assessed the detection and accuracy rates of detection dogs trained to locate scats from free-ranging black bears (Ursus americanus), fishers (Martes pennanti), and bobcats (Lynx rufus). During the summers of 2003-2004, 5 detection teams located 1,565 scats (747 putative black bear, 665 putative fisher, and 153 putative bobcat) at...
