Some guidelines for helping natural resources adapt to climate change
Jill S. Baron, Susan Herrod Julius, Jordan M. West, Linda A. Joyce, Geoffrey Blate, Charles H. Peterson, Margaret Palmer, Brian D. Keller, Peter Kareiva, J. Michael Scott, Brad Griffith
2008, IHDP Update 46-52
The changes occurring in mountain regions are an epitome of climate change. The dramatic shrinkage of major glaciers over the past century – and especially in the last 30 years – is one of several iconic images that have come to symbolize climate change. Climate creates the context for ecosystems,...
California Cenozoic Biostratigraphy -- Paleogene: Chapter 4 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
Kristin McDougall
2008, Professional Paper 1713-4
The time transgressive nature of the California benthic foraminiferal stages is in most cases the result of poor taxonomy, use of local species ranges, and a lack of understanding about the type sections. Correcting these problems allows the stages to be consistently applied and enhances their ability to identify coeval...
An exploration of Bureau of Reclamation approaches for managing conflict over diverging science
Nina Burkardt, Emily Ruell, Douglas Clark
2008, Technical Memorandum 86-68211-09-01
As a major institutional agent supplying Western water resources, the Bureau of Reclamation (Reclamation) provides important leadership, technical, and financial resources in water management, serving as the West's "water broker" (Bowersox 2000; Pisani 2003). In recent years, growing numbers of constituencies using water and the over-allocation of water resources have...
Miocene Total Petroleum System -- Southeast Stable Shelf Assessment Unit of the San Joaquin Basin Province: Chapter 13 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
Donald L. Gautier, Allegra Hosford Scheirer
2008, Professional Paper 1713-13
The confirmed stratigraphic and structural-stratigraphic Southeast Stable Shelf Assessment Unit (AU) of the Miocene Total Petroleum System (San Joaquin Basin Province) comprises all hydrocarbon accumulations within the geographic limits of the AU. Traps typically display low dip angles, gentle folds, and normal faults. Reservoirs, which range in age from fractured...
Winters-Domengine Total Petroleum System—Northern Nonassociated Gas Assessment Unit of the San Joaquin Basin Province: Chapter 21 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
Allegra Hosford Scheirer, Leslie B. Magoon
2008, Professional Paper 1713-21
The Northern Nonassociated Gas Assessment Unit (AU) of the Winters-Domengine Total Petroleum System of the San Joaquin Basin Province consists of all nonassociated gas accumulations in Cretaceous, Eocene, and Miocene sandstones located north of township 15 South in the San Joaquin Valley. The northern San Joaquin Valley forms a northwest-southeast...
National Wildlife Health Center's quarterly wildlife mortality report
Mark Jankowski, Krysten Schuler, Jennifer Bradsby
2008, Newsletter of the Wildlife Disease Association (2008) 9-15
Age, distribution, and stratigraphic relationship of rock units in the San Joaquin Basin Province, California: Chapter 5 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California
Allegra Hosford Scheirer, Leslie B. Magoon
2008, Professional Paper 1713-5
The San Joaquin Basin is a major petroleum province that forms the southern half of California’s Great Valley, a 700-km-long, asymmetrical basin that originated between a subduction zone to the west and the Sierra Nevada to the east. Sedimentary fill and tectonic structures of the San Joaquin Basin record the...
Co-precipitation of dissolved organic matter by calcium carbonate in Pyramid Lake, Nevada
Jerry A. Leenheer, Michael M. Reddy
2008, Annals of Environmental Science (2) 11-25
Our previous research has demonstrated that dissolved organic matter (DOM) influences calcium carbonate mineral formation in surface and ground water. To better understand DOM mediation of carbonate precipitation and DOM co-precipitation and/or incorporation with carbonate minerals, we characterized the content and speciation of DOM in carbonate minerals and in the...
Modeling landslide recurrence in Seattle, Washington, USA
Diana Salciarini, Jonathan W. Godt, William Z. Savage, Rex L. Baum, Pietro Conversini
2008, Engineering Geology (102) 227-237
To manage the hazard associated with shallow landslides, decision makers need an understanding of where and when landslides may occur. A variety of approaches have been used to estimate the hazard from shallow, rainfall-triggered landslides, such as empirical rainfall threshold methods or probabilistic methods based on historical records. The wide...
Delineation of landform and lithologic units for Ecological Landtype-Association analysis in Glacier Bay National Park, Southeast Alaska
David A. Brew
2008, Scientific Investigations Report 2008-5183
Landform and generalized bedrock lithologic units have been delineated for ecological landtype association analysis in Glacier Bay National Park in southeast Alaska (as the Park boundaries were defined before the 1971 Alaska National Interest Lands expansion). Related U.S. Forest Service efforts have covered (1) the whole region at coarse ecological- unit...
The National Map product and services directory
Mark R. Newell
2008, Fact Sheet 2008-3065
As one of the cornerstones of the U.S. Geological Survey's (USGS) National Geospatial Program (NGP), The National Map is a collaborative effort among the USGS and other Federal, state, and local partners to improve and deliver topographic information for the Nation. It has many uses ranging from recreation to scientific...
Responses in bird communities to wildland fires in southern California
Mark B. Mendelsohn, Cheryl S. Brehme, Carlton J. Rochester, Drew C. Stokes, Stacie A. Hathaway, Robert N. Fisher
2008, Fire Ecology (4) 63-82
There is a growing body of literature covering the responses of bird species to wildland fire events. Our study was unique among these because we investigated the effects of large-scale wildland fires on entire bird communities across multiple vegetation types. We conducted avian point counts during the breeding seasons for...
Reevaluation of mid-Pliocene North Atlantic sea surface temperatures
Marci M. Robinson, Harry J. Dowsett, Gary S. Dwyer, Kira T. Lawrence
2008, Paleoceanography (23)
Multiproxy temperature estimation requires careful attention to biological, chemical, physical, temporal, and calibration differences of each proxy and paleothermometry method. We evaluated mid-Pliocene sea surface temperature (SST) estimates from multiple proxies at Deep Sea Drilling Project Holes 552A, 609B, 607, and 606, transecting the North Atlantic Drift. SST estimates derived...
Radargrammetry on three planets
Randolph L. Kirk, Elpitha Howington-Kraus
Jun Chen, Jie Jiang, Shailesh Nayak, editor(s)
2008, Conference Paper, Proceedings: XXIst ISPRS Congress, Technical Commission IV
Synthetic Aperture Radar (SAR) can provide useful images in situations where passive optical imaging cannot, either because the microwaves used can penetrate atmospheric clouds, because active imaging can "see in the dark," or both. We have participated in the NASA Magellan mission to Venus in the 1990s and the current...
Environmental occurrence and shallow ground water detection of the antibiotic monensin from dairy farms
N. Watanabe, T.H. Harter, B.A. Bergamaschi
2008, Journal of Environmental Quality (37) S78-S85
Pharmaceuticals used in animal feeding operations have been detected in various environmental settings. There is a growing concern about the impact on terrestrial and aquatic organisms and the development of antibiotic-resistant strains of microorganisms. Pharmaceutical use in milking cows is relatively limited compared with other livestock operations, except for the...
Light-toned salty soils and co-existing Si-rich species discovered by the Mars Exploration Rover Spirit in Columbia Hills
Alian Wang, J.F. Bell III, Ron Li, J. R. Johnson, W. H. Farrand, E.A. Cloutis, R. E. Arvidson, L. Crumpler, S. W. Squyres, S. M. McLennan, Kenneth E. Herkenhoff, S. W. Ruff, A.T. Knudson, Wei Chen, R. Greenberger
2008, Journal of Geophysical Research (113) 1-35
Light-toned soils were exposed, through serendipitous excavations by Spirit Rover wheels, at eight locations in the Columbia Hills. Their occurrences were grouped into four types on the basis of geomorphic settings. At three major exposures, the light-toned soils are hydrous and sulfate-rich. The spatial distributions of distinct types of salty...
Ferguson rock slide buries California State Highway near Yosemite National Park
Edwin L. Harp, Mark E. Reid, Jonathan W. Godt, Jerome V. DeGraff, Alan J. Gallegos
2008, Landslides (5) 331-337
During spring 2006, talus from the toe area of a rock-block slide of about 800,000 m3 buried California State Highway 140, one of the main routes into heavily-visited Yosemite National Park, USA. Closure of the highway for 92 days caused business losses of about 4.8 million USD. The rock slide,...
Hydrologic connections and dynamics of water movement in the classical Karst (Kras) aquifer: Evidence from frequent chemical and stable isotope sampling
Daniel H. Doctor
2008, Acta Carsologica (37) 101-123
A review of past researchon the hydrogeology of the Classical Karst (Kras) region and new information obtained from a two-year study using environmental tracers are presented in this paper. The main problems addressed are 1) the sources of water to the Kras aquifer resurgence zone—including the famous Timavo springs—under changing...
Dual-Carbon sources fuel the OCS deep-reef Community, a stable isotope investigation
Kenneth J. Sulak, J. Berg, Michael T. Randall, George D. Dennis III, R. A. Brooks
2008, Proceedings of the 11th International Coral Reef Symposium, Ft. Lauderdale, Florida (2) 945-949
The hypothesis that phytoplankton is the sole carbon source for the OCS deep-reef community (>60 m) was tested. Trophic structure for NE Gulf of Mexico deep reefs was analyzed via carbon and nitrogen stable isotopes. Carbon signatures for 114 entities (carbon sources, sediment, fishes, and invertebrates) supported surface phytoplankton as...
Assessing contribution of DOC from sediments to a drinking-water reservoir using optical profiling
Bryan D. Downing, Brian A. Bergamaschi, David G. Evans, Emmanuel Boss
2008, Lake and Reservoir Management (24) 381-391
Understanding the sources of dissolved organic carbon (DOC) in drinking-water reservoirs is an important management issue because DOC may form disinfection by-products, interfere with disinfection, or increase treatment costs. DOC may be derived from a host of sources-algal production of DOC in the reservoir, marginal production of DOC from mucks...
Anatomy of a shoreface sand ridge revisted using foraminifera: False Cape Shoals, Virginia/North Carolina inner shelf
Marci M. Robinson, Randolph A. McBride
2008, Continental Shelf Research (17) 2428-2441
Certain details regarding the origin and evolution of shelf sand ridges remain elusive. Knowledge of their internal stratigraphy and microfossil distribution is necessary to define the origin and to determine the processes that modify sand ridges. Fourteen vibracores from False Cape Shoal A, a well-developed shoreface-attached sand ridge on the...
Conservation: saving Florida's manatees
Robert K. Bonde
2008, WetPixel Quarterly (4) 50-54
Robert K. Bonde of the U.S. Geological Survey writes about the protected population of manatees in Crystal River, Florida, including information about the threats they face as they migrate in and out of protected waters. Photographer Carol Grant shares images of "Angel," a newborn manatee she photographed early one winter...
Cartography for lunar exploration: 2008 status and mission plans
Randolph L. Kirk, Brent A. Archinal, Lisa R. Gaddis, Mark R. Rosiek
Jun Chen, Jie Jiang, Shailesh Nayak, editor(s)
2008, Conference Paper, Proceedings: XXIst ISPRS Congress, Technical Commission IV
The initial spacecraft exploration of the Moon in the 1960s-70s yielded extensive data, primarily in the form of film and television images, which were used to produce a large number of hardcopy maps by conventional techniques. A second era of exploration, beginning in the early 1990s, has produced digital data...
Initial fluvial response to the removal of Oregon's Marmot Dam
Jon J. Major, Kurt R. Spicer, Abagail Rhode, J. E. O’Connor, Heather M. Bragg, Dwight Q. Tanner, Chauncey W. Anderson, J. Rose Wallick, Gordon E. Grant
2008, Eos, Transactions, American Geophysical Union (89) 241-242
A temporary, 14‐meter‐high earthen cofferdam standing in place of Marmot Dam was breached on 19 October 2007, allowing the 80‐ kilometer‐long Sandy River to flow freely from Mount Hood, Oreg., to the Columbia River for the first time in nearly 100 years. Marmot Dam is one of the largest dams...
A 26 million year gap in the central Arctic record at the greenhouse-icehouse transition: Looking for clues
Francesca Sangiorgi, Hans-Juergen Brumsack, Debra A. Willard, Stefan Schouten, Catherine E. Stickley, Matthew O’Regan, Gert-Jan Reichart, Jaap S. Sinninghe Damste, Henk Brinkhuis
2008, Paleoceanography (23)
The Cenozoic record of the Lomonosov Ridge (central Arctic Ocean) recovered during Integrated Ocean Drilling Program (IODP) Expedition 302 revealed an unexpected 26 Ma hiatus, separating middle Eocene (∼44.4 Ma) from lower Miocene sediments (∼18.2 Ma). To elucidate the nature of this unconformity, we performed a multiproxy palynological (dinoflagellate cysts,...
