Index Catalog // ScholarsArchive@OSU

Routing of western Canadian Plains runoff during the 8.2 ka cold event

Creator:: Carlson, Anders E., Clark, Peter U., 1956-, Haley, Brian A., and Klinkhammer, Gary P.
Abstract:: The collapse of the Laurentide Ice Sheet over Hudson Bay ∼8.47 ka allowed the rapid drainage of glacial Lake Agassiz into the Labrador Sea, an event identified as causing a reduction in Atlantic meridional overturning circulation (AMOC) and the 8.2 ka cold event. Atmosphere‐ocean models simulations based on this forcing,...
Resource Type:: Article
Full Text:: the 8.2 ka cold event Anders E. Carlson,1 Peter U. Clark,2 Brian A. Haley,3 and Gary P. Klinkhammer4

Rapid Holocene Deglaciation of the Labrador Sector of the Laurentide Ice Sheet

Creator:: Carlson, Anders E., Clark, Peter U., Raisbeck, Grant M., and Brook, Edward J.
Abstract:: Retreat of the Laurentide Ice Sheet (LIS) following the Last Glacial Maximum 21 000 yr BP affected regional to global climate and accounted for the largest proportion of sea level rise. Although the late Pleistocene LIS retreat chronology is relatively well constrained, its Holocene chronology remains poorly dated, limiting our...
Resource Type:: Article
Full Text:: Laurentide Ice Sheet ANDERS E. CARLSON* AND PETER U. CLARK Department of Geosciences, Oregon State

Microbial communities from methane hydrate-bearing deep marine sediments in a forearc basin

Creator:: Reed, David W., Fujita, Yoshiko, Delwiche, Mark E., Blackwelder, D. Brad, Sheridan, Peter P., Uchida, Takashi, and Colwell, Frederick
Abstract:: Microbial communities in cores obtained from methane hydrate-bearing deep marine sediments (down to more than 300 m below the seafloor) in the forearc basin of the Nankai Trough near Japan were characterized with cultivation-dependent and -independent techniques. Acridine orange direct count data indicated that cell numbers generally decreased with sediment...
Resource Type:: Article
Full Text:: Deep Marine Sediments in a Forearc Basin David W. Reed,1* Yoshiko Fujita,1 Mark E. Delwiche,1 D. Brad

Internal Tides and Turbulence along the 3000-m Isobath of the Hawaiian Ridge

Creator:: Lee, Craig M., Sanford, Thomas B., Kunze, Eric, Nash, Jonathan D., Merrifield, Mark A., and Holloway, Peter E.
Abstract:: Full-depth velocity and density profiles taken along the 3000-m isobath characterize the semidiurnal internal tide and bottom-intensified turbulence along the Hawaiian Ridge. Observations reveal baroclinic energy fluxes of 21 ± 5 kW m⁻¹ radiating from French Frigate Shoals, 17 ± 2.5 kW m⁻¹ from Kauai Channel west of Oahu, and...
Resource Type:: Article
Full Text:: ,@ AND PETER E. HOLLOWAY&,** *Applied Physics Laboratory, University of Washington, Seattle, Washington

Geochemical proxies of North American freshwater routing during the Younger Dryas cold event

Creator:: Carlson, Anders E., Clark, Peter U., Haley, Brian A., Klinkhammer, Gary P., Simmons, Kathleen, Brook, Edward J., and Meissner, Katrin J.
Abstract:: The Younger Dryas cold interval represents a time when much of the Northern Hemisphere cooled from ≈12.9 to 11.5 kiloyears B.P. The cause of this event, which has long been viewed as the canonical example of abrupt climate change, was initially attributed to the routing of freshwater to the St....
Resource Type:: Article
Full Text:: during the Younger Dryas cold event Anders E. Carlson*†, Peter U. Clark*, Brian A. Haley‡, Gary P

Feeding methane vents and gas hydrate deposits at south Hydrate Ridge

Creator:: Tréhu, Anne Martine, Flemings, Peter B., Bangs, Nathan Lawrence Bailey, Chevallier, Johanna, Gracia, Eulalia, Johnson, Joel E., Liu, C. S., Liu, Xiaoli, Riedel, Michael, and Torres, Marta E.
Abstract:: Log and core data document gas saturations as high as 90% in a coarse-grained turbidite sequence beneath the gas hydrate stability zone (GHSZ) at south Hydrate Ridge, in the Cascadia accretionary complex. The geometry of this gas-saturated bed is defined by a strong, negative-polarity reflection in 3D seismic data. Because...
Resource Type:: Article
Full Text:: south Hydrate Ridge Anne M. Tréhu,1 Peter B. Flemings,2 Nathan L. Bangs,3 Johanna Chevallier,1

Substrate degradation kinetics, microbial diversity, and current efficiency of microbial fuel cells supplied with marine plankton

Creator:: Reimers, Clare E., Stecher, Hilmar A., Westall, John C., Alleau, Yvan, Howell, Kate A., Soule, Leslie, White, Helen K., and Girguis, Peter R.
Abstract:: The decomposition of marine plankton in two-chamber, seawater-filled microbial fuel cells (MFCs) has been investigated and related to resulting chemical changes, electrode potentials, current efficiencies, and microbial diversity. Six experiments were run at various discharge potentials, and a seventh served as an open-circuit control. The plankton consisted of a mixture...
Resource Type:: Article
Full Text:: Current Efficiency of Microbial Fuel Cells Supplied with Marine Plankton� Clare E. Reimers,1* Hilmar A

Coastally trapped wind reversals : progress toward understanding

Creator:: Nuss, Wendell A., Bane, John M., Thompson, William T., Holt, Teddy, Dorman, Clive E., Ralph, F. Martin, Rotunno, Richard, Klemp, Joseph B., Skamarock, William C., Samelson, Roger M., Rogerson, Audrey M., Reason, Chris, and Jackson, Peter
Abstract:: Coastally trapped wind reversals along the U.S. west coast, which are often accompanied by a northward surge of fog or stratus, are an important warm—season forecast problem due to their impact on coastal maritime activities and airport operations. Previous studies identified several possible dynamic mechanisms that could be responsible for...
Resource Type:: Article
Full Text:: . Nuss,* John M. Bane,+ William T. Thompson,# Teddy Holt,# Clive E. Dorman,@ F. Martin Ralph,& Richard

Willamette Valley-PugetTrough-Georgia Basin ecoregional assessment

Creator:: Floberg, J., Goering, M., Wilhere, George, MacDonald, C., Chappell, C., Rumsey, C., Ferdana, Zack, Holt, A., Skidmore, Peter, Horsman, T., Alverson, E., Tanner, C., Bryer, M., Lachetti, Pierre, Harcombe, A., McDonald, B., Cook, T., Summers, M., and Rolph, D.
Abstract:: This assessment is intended to help conservation agencies, planners and organizations direct their resources to the most important places for supporting the ecoregion's biodiversity.
Resource Type:: Technical Report
Full Text:: Willamette Valley–Puget Trough–Georgia Basin E C O R E G I O N A L A S S E S S M E N T MARCH 2004

Watershed stewardship : a learning guide

Creator:: Conway, Flaxen D. L., Godwin, Derek, Cloughesy, Mike, Corcoran, P. E. (Patrick E.), Nierenberg, Tara R., Adams, Paul W., Brewer, Linda J., Ellis-Sugai, Barbara, 1957-, Giannico, Guillermo Roberto, 1960-, Good, James W., Hibbs, David E., Holbert, Mary, Huddleston, J. H. (James Herbert), 1942-, Lambert, Beth C., Minshew, Hudson F., Rogers, Bill, Runyon, John, Schreder, Peter, Simon-Brown, Viviane, Stephenson, Garry Owen, and Oregon State University. Extension Service
Abstract:: Provides information about complexity of watersheds. Outlines ways to form partnerships, to develop strategies for enhancing watershed resources, and to implement enhancement projects.
Resource Type:: Technical Report

ScholarsArchive@OSU

Routing of western Canadian Plains runoff during the 8.2 ka cold event

Rapid Holocene Deglaciation of the Labrador Sector of the Laurentide Ice Sheet

Microbial communities from methane hydrate-bearing deep marine sediments in a forearc basin

Internal Tides and Turbulence along the 3000-m Isobath of the Hawaiian Ridge

Geochemical proxies of North American freshwater routing during the Younger Dryas cold event

Feeding methane vents and gas hydrate deposits at south Hydrate Ridge

Substrate degradation kinetics, microbial diversity, and current efficiency of microbial fuel cells supplied with marine plankton

Coastally trapped wind reversals : progress toward understanding

Willamette Valley-PugetTrough-Georgia Basin ecoregional assessment

Watershed stewardship : a learning guide

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