Evaluation of ADCP apparent bed load velocity in a large sand-bed river: Moving versus stationary boat conditions
E. C. Jamieson, C. D. Rennie, R. B. Jacobson, R. D. Townsend
2011, Journal of Hydraulic Engineering (137) 1064-1071
Detailed mapping of bathymetry and apparent bed load velocity using a boat-mounted acoustic Doppler current profiler (ADCP) was carried out along a 388-m section of the lower Missouri River near Columbia, Missouri. Sampling transects (moving boat) were completed at 5- and 20-m spacing along the study section....
Eruption dynamics of Hawaiian-style fountains: The case study of episode 1 of the Kilauea Iki 1959 eruption
W.K. Stovall, Bruce F. Houghton, H. Gonnermann, S.A. Fagents, Don Swanson
2011, Bulletin of Volcanology (73) 511-529
Hawaiian eruptions are characterized by fountains of gas and ejecta, sustained for hours to days that reach tens to hundreds of meters in height. Quantitative analysis of the pyroclastic products from the 1959 eruption of Kīlauea Iki, Kīlauea volcano, Hawai‘i, provides insights into the processes occurring during typical Hawaiian fountaining...
Influence of dissolved organic matter on the environmental fate of metals, nanoparticles, and colloids
George R. Aiken, Heileen Hsu-Kim, Joseph N. Ryan
2011, Environmental Science & Technology (45) 3196-3201
We have known for decades that dissolved organic matter (DOM) plays a critical role in the biogeochemical cycling of trace metals and the mobility of colloidal particles in aquatic environments. In recent years, concerns about the ecological and human health effects of metal-based engineered nanoparticles released into natural waters have...
Geology and petroleum potential of the Eurasia Basin
Thomas E. Moore, Janet K. Pitman
Anthony M. Spencer, A.F. Embry, Donald L. Gautier, A.V. Stoupakova, Kai Sorenson, editor(s)
2011, Book chapter, Arctic petroleum geology
The Eurasia Basin petroleum province comprises the younger, eastern half of the Arctic Ocean, including the Cenozoic Eurasia Basin and the outboard part of the continental margin of northern Europe. For the USGS petroleum assessment (CARA), it was divided into four assessment units (AUs): the Lena Prodelta AU, consisting of...
Stratigraphy and chronology of offshore to nearshore deposits associated with the Provo shoreline, Pleistocene Lake Bonneville, Utah
Holly S. Godsey, Charles G. Oviatt, David M. Miller, Marjorie A. Chan
2011, Palaeogeography, Palaeoclimatology, Palaeoecology (310) 442-450
Stratigraphic descriptions and radiocarbon data from eleven field locations are presented in this paper to establish a chronostratigraphic framework for offshore to nearshore deposits of Lake Bonneville. Based on key marker beds and geomorphic position, the deposits are interpreted to have accumulated during the period from the late transgressive phase,...
Effectiveness of bait tubes for brown treesnake control on Guam
B. Lardner, J. A. Savidge, G.H. Rodda, R.N. Reed, A. A. Yackel Adams, C.S. Clark
2011, Conference Paper, Island Invasives: Eradication and Management: Proceedings of the International Conference on Island Invasives
A bait tube is a device with which a toxicant inserted in a dead mouse (Mus musculus) can be delivered to invasive brown treesnakes (Boiga irregularis) with low risk of non-target bait take. We tested two bait tube designs in a 5ha snake enclosure where the identity of virtually every...
Genetic identity of Thamnophis sp. using microsatellite genetic markers
Brian L. Sloss
2011, Report
Butler’s gartersnake (Thamnophis butleri) was previously listed by the Wisconsin Department of Natural Resources as a state threatened species. Several key questions associated with species identity, integrity, and hybridization with other gartersnake species needed to be addressed to further refi ne the management plan for this species. The objectives of...
Concluding remarks: The way forward for urban ecology
J. Niemela, J.H. Breuste, Thomas Elmqvist, Glenn R. Guntenspergen, P. James, N.E. McIntyre
J. Niemela, J.H. Breuste, T. Elmqvist, Glenn R. Guntenspergen, P. James, N.E. McIntyre, editor(s)
2011, Book chapter, Urban ecology: Patterns, processes, and applications
No abstract available....
Origin of minor and trace element compositional diversity in anorthitic feldspar phenocrysts and melt inclusions from the Juan de Fuca Ridge
David T. Adams, Roger L. Nielsen, Adam J. R. Kent, Frank J. Tepley III
2011, Geochemistry, Geophysics, Geosystems (12)
Melt inclusions trapped in phenocryst phases are important primarily due to their potential of preserving a significant proportion of the diversity of magma composition prior to modification of the parent magma array during transport through the crust. The goal of this investigation was to evaluate the impact of formational and...
Understanding interaction effects of climate change and fire management on bird distributions through combined process and habitat models
Joseph D. White, Kevin J. Gutzwiller, Wylie C. Barrow, Lori Johnson-Randall, Lisa Zygo, Pamela Swint
2011, Conservation Biology (25) 536-546
Avian conservation efforts must account for changes in vegetation composition and structure associated with climate change. We modeled vegetation change and the probability of occurrence of birds to project changes in winter bird distributions associated with climate change and fire management in the northern Chihuahuan Desert (southwestern U.S.A.). We simulated...
Sedimentary response to orogenic exhumation in the northern Rocky Mountain Basin and Range province, Flint Creek basin, west-central Montana
R.A. Portner, M.S. Hendrix, J.C. Stalker, D. P. Miggins, S.D. Sheriff
2011, Canadian Journal of Earth Sciences (48) 1131-1153
Middle Eocene through Upper Miocene sedimentary and volcanic rocks of the Flint Creek basin in western Montana accumulated during a period of significant paleoclimatic change and extension across the northern Rocky Mountain Basin and Range province. Gravity modelling, borehole data, and geologic mapping from the Flint Creek basin indicate that...
Normalized Difference Vegetation Index for Fanno Creek, Oregon
Steven Sobieszczyk
2011, Report
Fanno Creek is a tributary to the Tualatin River and flows though parts of the southwest Portland metropolitan area. The stream is heavily influenced by urban runoff and shows characteristic flashy streamflow and poor water quality commonly associated with urban streams. This data set represents the Normalized Difference Vegetation Index...
Soil carbon distribution in Alaska in relation to soil-forming factors
K.D. Johnson, J. Harden, A. D. McGuire, N.B. Bliss, James G. Bockheim, M.R. Clark, T. Nettleton-Hollingsworth, M.T. Jorgenson, E.S. Kane, M. Mack, J. O'Donnell, C.-L. Ping, E.A.G. Schuur, M.R. Turetsky, D.W. Valentine
2011, Geoderma (167-168) 71-84
The direction and magnitude of soil organic carbon (SOC) changes in response to climate change remain unclear and depend on the spatial distribution of SOC across landscapes. Uncertainties regarding the fate of SOC are greater in high-latitude systems where data are sparse and the soils are affected by sub-zero temperatures....
Duration and severity of Medieval drought in the Lake Tahoe Basin
J.A. Kleppe, D.S. Brothers, G.M. Kent, F. Biondi, S. Jensen, N. W. Driscoll
2011, Quaternary Science Reviews (30) 3269-3279
Droughts in the western U.S. in the past 200 years are small compared to several megadroughts that occurred during Medieval times. We reconstruct duration and magnitude of extreme droughts in the northern Sierra Nevada from hydroclimatic conditions in Fallen Leaf Lake, California. Stands of submerged trees rooted in situ below...
Fire management of Mediterranean landscapes
Jon E. Keeley, William J. Bond, Ross A. Bradstock, Juli G. Pausas, Philip W. Rundel
2011, Book chapter, Fire in Mediterranean ecosystems: Ecology, evolution and management
The hazardous mediterranean climate, highly flammable vegetation, and rugged terrain, all important elements of fire behavior, become problems only in the presence of people. People recreate and build homes in the mediterranean wildlands because of the delightful climate and will continue to do so as long as space is...
Dispersal and dam passage of sonic-tagged juvenile lake sturgeon in the upper Tennessee River
William R. Collier, Phillip William Bettoli, George D. Scholten
2011, Proceedings of the Southeastern Association of Fish and Wildlife Agencies (65) 143-147
More than 90,000 state-endangered lake sturgeon (Acipenser fulvescens) have been stocked into the French Broad River, Holston River, and Fort Loudoun Lake in the upper Tennessee River system. Although incidental reports of anglers catching these fish have increased, little is known about their fate after stocking....
High-resolution well-log derived dielectric properties of gas-hydrate-bearing sediments, Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope
Y. Sun, D. Goldberg, Timothy S. Collett, R. Hunter
2011, Marine and Petroleum Geology (28) 450-459
A dielectric logging tool, electromagnetic propagation tool (EPT), was deployed in 2007 in the BPXA-DOE-USGS Mount Elbert Gas Hydrate Stratigraphic Test Well (Mount Elbert Well), North Slope, Alaska. The measured dielectric properties in the Mount Elbert well, combined with density log measurements, result in a vertical high-resolution (cm-scale) estimate...
Comparisons of watershed sulfur budgets in southeast Canada and northeast US: New approaches and implications
Myron J. Mitchell, Gary Lovett, Scott Bailey, Fred Beall, Doug Burns, Don Buso, Thomas A. Clair, Francois Courchesne, Louis Duchesne, Cathy Eimers, Ivan Fernandez, Daniel Houle, Dean S. Jeffries, Gene E. Likens, Michael D. Moran, Christopher Rogers, Donna Schwede, Jamie Shanley, Kathleen C. Weathers, Robert Vet
2011, Biogeochemistry (103) 181-207
Most of eastern North America receives elevated levels of atmospheric deposition of sulfur (S) that result from anthropogenic SO2 emissions from fossil fuel combustion. Atmospheric S deposition has acidified sensitive terrestrial and aquatic ecosystems in this region; however, deposition has been declining since the 1970s, resulting in some recovery in previously...
Fire in Chile
Jon E. Keeley, William J. Bond, Ross A. Bradstock, Juli G. Pausas, Philip W. Rundel
2011, Book chapter, Fire in Mediterranean ecosystems: Ecology, evolution and management
The mediterranean-type climate (MTC) in Chile (Fig. 6.1) is distributed from La Serena (30° S; Región IV, see Appendix 6.1) in the north to Concepción (37° S; Región X) in the south. It is constrained to the west side of the Andean mountain range, although as the height of this...
Fire in California
Jon E. Keeley, William J. Bond, Ross A. Bradstock, Juli G. Pausas, Philip W. Rundel
2011, Book chapter, Fire in Mediterranean ecosystems: Ecology, evolution and management
On the west coast of North America lies the state of California, USA (Fig. 5.1), the bulk of which is dominated by a mediterranean-type climate (MTC). Elevations range from sea level to over 4000 m. Mountain ranges are largely oriented north to south with a major valley between the coastal...
Overview and status of the witchweed (striga asiatica) eradication program in the Carolinas
Richard D. Iverson, Randy G. Westbrooks, Robert E. Eplee, Alan V. Tasker
2011, Book chapter, Invasive plant management issues and challenges in the United States: 2011 Overview
Witchweed [(Striga asiatica (L.) O. Kuntze)] is a parasitic weed from Asia and Africa that attaches to the roots of grasses and grass crops such as corn and sorghum. Witchweed was first detected in the western hemisphere in a corn field in Columbus County, North Carolina, in July, 1956. Since that...
Management case study: Tampa Bay, Florida
Gerold Morrison, Holly Greening, Kimberly K. Yates
Eric Wolanski, Donald S. McLusky, editor(s)
2011, Book chapter, Management of Estuaries and Coasts
Tampa Bay, Florida, USA, is a shallow, subtropical estuary that experienced severe cultural eutrophication between the 1940s and 1980s, a period when the human population of its watershed quadrupled. In response, citizen action led to the formation of a public- and private-sector partnership (the Tampa Bay Estuary Program), which...
Re-establishing marshes can return carbon sink functions to a current carbon source in the Sacramento-San Joaquin Delta of California, USA
Robin L. Miller, Roger Fujii
Paul E. Schmidt, editor(s)
2011, Book chapter, River deltas: Types, structures and ecology
The Sacramento-San Joaquin Delta in California was an historic, vast inland freshwater wetland, where organic soils almost 20 meters deep formed over the last several millennia as the land surface elevation of marshes kept pace with sea level rise. A system of levees and pumps were installed in the late...
Fire-related plant traits
Jon E. Keeley, William J. Bond, Ross A. Bradstock, Juli G. Pausas, Philip W. Rundel
2011, Book chapter, Fire in Mediterranean ecosystems: Ecology, evolution and management
As illustrated in Fig. 2.1 there are four environmental parameters that are necessary to determine the distribution of fire-prone ecosystems. However, they are insufficient to predict ecosystem responses to fire without a detailed understanding of the fire regime (see Fig. 2.7). Different fire regimes have very different potentials for recovery...
Fire and the fire regime framework
Jon E. Keeley, William J. Bond, Ross A. Bradstock, Juli G. Pausas, Philip W. Rundel
2011, Book chapter, Fire in Mediterranean ecosystems: Ecology, evolution and management
A global view of potential vs. actual vegetation distributions points to fire as a major driver of biome distribution and determinant of community structure (Bond et al. 2005). In ecological terms, fire acts much like an herbivore, consuming biomass and competing with biotic consumers for resources, and in this sense...
