Index Catalog // ScholarsArchive@OSU

Equatorward jets and poleward undercurrents along the eastern boundary of the mid-latitude north Pacific

Creator:: Pierce, Stephen D.
Abstract:: We sharpen our view of an eastern boundary current region during the upwelling season through the analysis of several data sets. We focus on the mesoscale flow field off of northern California, observed during the Coastal Transition Zone (CTZ) experiment of 1988. First, we estimate tidal currents in the region...
Resource Type:: Dissertation
Full Text:: Untitled AN ABSTRACT OF THE THESIS OF Stephen D. Pierce for the

Microbial alteration of the seafloor

Creator:: Josef, Jennifer A.
Abstract:: In the early 1980's the first evidence of biological alteration of basalt glass (sideromelane) was published. Since that time additional evidence, including DNA staining, isotopic abundance and chemical mapping, has come to light suggesting that this unique alteration of glass can be attributed to microbial activity. Microbial alteration textures have...
Resource Type:: Masters Thesis
Full Text:: the Seafloor. Abstract approved: Stephen Giovannoni In the early 1980's the first evidence of

Acoustic doppler current profiler observations during the Coastal Ocean Advances in Shelf Transport (COAST) Survey I : R/V Wecoma cruise W0105c, 23 May to 13 June 2001

Creator:: Pierce, Stephen D. and Barth, John A.
Abstract:: We present velocity observations from a shipboard acoustic Doppler current profiler (ADCP) on R/V Wecoma during cruise W0105c (23 May to 13 June 2001). The cruise was a component (Survey I) of the Coastal Ocean Advances in Shelf Transport (COAST) experiment. The ADCP was an RD Instruments hull-mounted 153.6-kHz narrowband...
Resource Type:: Technical Report
Full Text:: #GEOGRAPHIC_REGION: Oregon coast #PROCESSED_BY: Stephen D. Pierce (spierce@coas.oregonstate.edu) #NAVIGATION: GPS

Prokaryotes associated with marine crust

Creator:: Mason, Olivia Underwood
Abstract:: Oceanic crust covers nearly 70% of the Earth's surface, of which, the upper, sediment layer is estimated to harbor substantial microbial biomass. Marine crust; however, extends several kilometers beyond this surficial layer, and includes the basalt and gabbro layers. In particular, the basalt layer has high permeabilities which allows for...
Resource Type:: Dissertation
Full Text:: : _______________________________________________ Stephen J. Giovannoni Martin R. Fisk Oceanic crust covers nearly 70% of the

Integrating traceability with onboard handling to enhance product quality and marketability of Eastern Pacific troll-caught albacore tuna (Thunnus alalunga)

Creator:: Thompson, Michael J.
Abstract:: The fishing industry in the Pacific Northwest is a dynamic and highly competitive industry that must constantly respond to rapidly changing resource, regulatory and market forces. These forces have already had a significant impact on our fisheries and will continue to do so as we learn more about the biology...
Resource Type:: Masters Thesis
Full Text:: ) and after (C, D) with residual blood is shown in black………………….. 50 2.4 2003 Spectrophotometry

Using an indicator model to rank relative stock status of minor West Coast rockfish species

Creator:: Miller, Stacey D.
Abstract:: Quantitative assessments of many West coast rockfish stocks of both major and minor importance to commercial fisheries have shown varying declines in abundances. The population sizes of less-abundant, co-occurring unassessed species may also be declining. However, determining stock status of the many non-targeted, minor species with high levels of certainty...
Resource Type:: Capstone Project
Full Text:: West Coast Rockfish Species by Stacey D. Miller A PROJECT REPORT Submitted To Marine Resource

Secondary circulation associated with a shelfbreak front

Creator:: Barth, John A., Bogucki, Darek, Pierce, Stephen D., and Kosro, P. Michael, 1951-
Abstract:: Evidence for secondary circulation associated with a shelfbreak front is obtained from a high‐resolution, cross‐shelf section of hydrographic, optical and velocity fields. Convergence in the bottom boundary layer on the inshore side of the front and subsequent upwelling into the interior is evident by a mid‐water region of suspended bottom...
Resource Type:: Article
Full Text:: associated with a shelfbreak front John A. Barth, Darek Bogucki, Stephen D. Pierce, and P. Michael Kosro

Improving Acoustic Doppler Current Profiler Accuracy with Wide-Area Differential GPS and Adaptive Smoothing of Ship Velocity

Creator:: Pierce, Stephen D., Barth, John A., and Smith, Robert L.
Abstract:: Accurate ship velocity is important for determining absolute currents from acoustic Doppler current profiler (ADCP) measurements. In this paper, the authors describe the application of two methods to improve the quality of ship velocity estimates. The first uses wide-area differential global positioning system (WADGPS) navigation to improve ship positioning. During...
Resource Type:: Article
Full Text:: Adaptive Smoothing of Ship Velocity STEPHEN D. PIERCE, JOHN A. BARTH, AND ROBERT L. SMITH College of

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:: PERSONNEL IN CHARGE : Stephen D. Pierce DATE OF PROCESSING : finalized July 1999 NAVIGATION 2 GPS

Acoustic doppler current profiler observations during the Coastal Ocean Advances in Shelf Transport (COAST) Survey III : R/V Wecoma cruise W0301B, 19 January - 9 February 2003

Creator:: Pierce, Stephen D. and Barth, John A.
Abstract:: We present velocity observations from a shipboard acoustic Doppler current profiler (ADCP) on R/V Wecoma during cruise W0301b (19 January - 3 February 2003). The cruise was a component (Survey III) of the Coastal Ocean Advances in Shelf Transport (COAST) experiment. The ADCP was an RD Instruments hull-mounted 153-kHz narrowband...
Resource Type:: Technical Report

ScholarsArchive@OSU

Equatorward jets and poleward undercurrents along the eastern boundary of the mid-latitude north Pacific

Microbial alteration of the seafloor

Acoustic doppler current profiler observations during the Coastal Ocean Advances in Shelf Transport (COAST) Survey I : R/V Wecoma cruise W0105c, 23 May to 13 June 2001

Prokaryotes associated with marine crust

Integrating traceability with onboard handling to enhance product quality and marketability of Eastern Pacific troll-caught albacore tuna (Thunnus alalunga)

Using an indicator model to rank relative stock status of minor West Coast rockfish species

Secondary circulation associated with a shelfbreak front

Improving Acoustic Doppler Current Profiler Accuracy with Wide-Area Differential GPS and Adaptive Smoothing of Ship Velocity

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 Coastal Ocean Advances in Shelf Transport (COAST) Survey III : R/V Wecoma cruise W0301B, 19 January - 9 February 2003

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