Index Catalog // ScholarsArchive@OSU

Variability in mesoscale circulation and its effects on zooplankton distribution in the Northern California Current

Creator:: Keister, Julie Eileen
Abstract:: In eastern boundary current upwelling ecosystems, mesoscale circulation features such as eddies and upwelling filaments play a prominent role in the transfer of water and the associated plankton from the productive nearshore to the oligotrophic deep sea. The relationship between mesoscale circulation, zooplankton distributions, and the across-shelf transport of coastal...
Resource Type:: Dissertation
Full Text:: : ____________________________________________________ Timothy J. Cowles, William T. Peterson In eastern

Acoustic doppler current profiler observations during the JGOFS AESOPS Antarctic polar front surveys I and II : R/V Revelle cruises from 20-Oct to 23-Nov 1997 and 9-Jan to 7-Feb 1998

Creator:: Pierce, Stephen D., Barth, John A., and Cowles, Timothy J.
Abstract:: We present velocity observations from a shipboard acoustic Doppler current profiler (ADCP) on RJV Revelle during cruises R9710 (20 October to 23 November 1997) and R9801 (9 January to 7 February 1998). The cruises were conducted as part of the Southern Ocean JGOFS (Joint Global Ocean Flux) Antarctic Polar Frontal...
Resource Type:: Technical Report
Full Text:: 1998 by S. D. Pierce, J. A. Barth, and T. J. Cowles College of Oceanic & Atmospheric Sciences

Acoustic doppler current profiler observations during the JGOFS AESOPS Antarctic polar front process studies I and II : R/V Revelle cruises from 30-Nov-97 to 3-Jan-98 and 13-Feb-98 to 19-Mar-98

Creator:: Pierce, Stephen D., Barth, John A., and Cowles, Timothy J.
Abstract:: We present velocity observations from a shipboard acoustic Doppler current profiler (ADCP) on RIV Revelle during cruises R9711 (30 November 1997 to 3 January 1998) and R9802 (13 February 1998 to 19 March 1998). The cruises were conducted as part of the Southern Ocean JGOFS (Joint Global Ocean Flux) Antarctic...
Resource Type:: Technical Report

Seconds to hour scale photosynthetic responses in marine microalgae

Creator:: Laney, Samuel R.
Abstract:: Our view of phytoplankton has historically revolved around their inability to control their location in space. The term phytoplankton itself underscores this particular difference between phytoplankton and their sessile terrestrial counterparts. Yet there are other differences between land plants and the phytoplankton that are perhaps equally important, beyond this sessile-planktonic...
Resource Type:: Dissertation
Full Text:: : Pat Wheeler, Ron Zaneveld, and Tim Cowles from COAS, Tom Plant from Electrical Engineering and

SeaSoar observations during the GLOBEC NEP California Current survey III (T0205) : 31 May - 17 June 2002

Creator:: O'Malley, Robert T., Cowles, Timothy J., Barth, John A., and Global Ocean Ecosystems Dynamics (Program)
Resource Type:: Technical Report

Do vigorous young forests reduce streamflow? Results from up to 54 years of streamflow records in eight paired-watershed experiments in the H. J. Andrews and South Umpqua Experimental Forests

Creator:: Perry, Timothy D.
Abstract:: This study quantified the magnitude and timing of summer streamflow deficits in paired-watershed experiments in the Cascade Range of Oregon where mature and old-growth conifer forests were subjected to clearcutting, patch cutting, and overstory thinning treatments in the 1960s and 1970s. Hydrologic effects of clearcutting, small-patch cutting, and overstory thinning...
Resource Type:: Masters Thesis
Full Text:: OF THE THESIS OF Timothy D. Perry for the degree of Master of Science in Geography presented

Factors influencing diet composition of beef cattle grazing mixed conifer mountain riparian areas

Creator:: Darambazar, Enkhjargal
Abstract:: Two trials were conducted to evaluate changes in the quantity, quality, and moisture of available forage in the pasture, and shrub utilization by cattle during a 30-d late summer grazing period (Trial 1) and the effect of cow age (experience) on grazing distribution and diet composition (Trial 2) in mountain...
Resource Type:: Masters Thesis
Full Text:: : Timothy Two trials were conducted to evaluate changes in the quantity, quality, and moisture of available

Influence of previous cattle and elk grazing on the subsequent diet quality and nutrient intake rate of cattle, deer, and elk grazing late-summer mixed-conifer rangelands

Creator:: Damiran, Daalkhaijav
Abstract:: Four studies were conducted on late-summer diet quality and quantity of cattle (Bos taurus), mule deer (Odocoileus hemionus hemionus), and elk (Cervus elaphus) in response to prior grazing by cattle and elk on mixed-conifer rangelands and on related research techniques. In our first study we assessed a photographic technique to...
Resource Type:: Dissertation
Full Text:: , and Elk Grazing Late-Summer Mixed- Conifer Rangelands. Abstract approved: Timothy DelCurto

Quantities of prostaglandins in whole and extended bovine semen and their potential effect on fertility following insemination

Creator:: Jaeger, John Ralph
Abstract:: Our objectives were to determine 1) the concentration of prostaglandin F2α (PGF2α) in whole and extended bovine semen, 2) if concentrations of prostaglandins in extended bovine semen are correlated to fertility, and 3) if PGF2α administered at the time of artificial insemination would improve conception rate. Concentration of PGF2α tended...
Resource Type:: Dissertation
Full Text:: : Timothy DelCurto Our objectives were to determine 1) the concentration of prostaglandin F2α (PGF2α

DNA mismatch repair and 0[superscript 6]-methylguanine toxicity : Testing the futile repair cycle hypothesis

Creator:: Brodeur, Timothy J.
Abstract:: Cell lines deficient in certain genes of the DNA mismatch repair (MMR) system show a marked resistance to the cell killing or apoptotic effects of DNA alkylating agents. The molecular mechanism for this resistance is not yet understood, but is currently of great interest because of the recent use of...
Resource Type:: Undergraduate Thesis

ScholarsArchive@OSU

Variability in mesoscale circulation and its effects on zooplankton distribution in the Northern California Current

Acoustic doppler current profiler observations during the JGOFS AESOPS Antarctic polar front surveys I and II : R/V Revelle cruises from 20-Oct to 23-Nov 1997 and 9-Jan to 7-Feb 1998

Acoustic doppler current profiler observations during the JGOFS AESOPS Antarctic polar front process studies I and II : R/V Revelle cruises from 30-Nov-97 to 3-Jan-98 and 13-Feb-98 to 19-Mar-98

Seconds to hour scale photosynthetic responses in marine microalgae

SeaSoar observations during the GLOBEC NEP California Current survey III (T0205) : 31 May - 17 June 2002

Do vigorous young forests reduce streamflow? Results from up to 54 years of streamflow records in eight paired-watershed experiments in the H. J. Andrews and South Umpqua Experimental Forests

Factors influencing diet composition of beef cattle grazing mixed conifer mountain riparian areas

Influence of previous cattle and elk grazing on the subsequent diet quality and nutrient intake rate of cattle, deer, and elk grazing late-summer mixed-conifer rangelands

Quantities of prostaglandins in whole and extended bovine semen and their potential effect on fertility following insemination

DNA mismatch repair and 0[superscript 6]-methylguanine toxicity : Testing the futile repair cycle hypothesis

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