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Browsing by Author "Pierce, Stephen D."

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Acoustic Doppler current profiler observations during the coastal jet separation project on R/V Wecoma, 17-27 August 1995

Pierce, Stephen D.; Barth, John A.; Smith, Robert L. (Robert Lloyd), 1935-; Oregon State University. College of Oceanic and Atmospheric Sciences (Corvallis, Or. : College of Oceanic and Atmospheric Sciences, Oregon State University, 1997)
Acoustic Doppler current profiler observations during the coastal jet separation project on R/V Wecoma, August 23 to September 2, 1994

Pierce, Stephen D.; Barth, John A.; Smith, Robert L. (Robert Lloyd), 1935-; Oregon State University. College of Oceanic and Atmospheric Sciences (Corvallis, Or. : College of Oceanic and Atmospheric Sciences, Oregon State University, 1996-11)
Acoustic Doppler current profiler observations during the coastal mixing and optics experiment : R/V Endeavor cruises from 14 August to 1 September 1996 and 25 April to 15 May 1997

Pierce, Stephen D.; Barth, John A.; Kosro, P. Michael, 1951- (Corvallis, Or. : College of Oceanic and Atmospheric Sciences, Oregon State University, 1998-12)
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

Pierce, Stephen D.; Barth, John A.; Oregon State University. College of Oceanic and Atmospheric Sciences; Coastal Ocean Advances in Shelf Transport (Project) (Corvallis, Or. : College of Oceanic & Atmospheric Sciences, Oregon State University, 2002)

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 Advance ...
Acoustic doppler current profiler observations during the Coastal Ocean Advances in Shelf Transport (COAST) Survey II : R/V Wecoma cruise W0108A, 6-25 August 2001

Pierce, Stephen D.; Barth, John A.; Oregon State University. College of Oceanic and Atmospheric Sciences; Coastal Ocean Advances in Shelf Transport (Project) (Corvallis, Or. : College of Oceanic & Atmospheric Sciences, Oregon State University, 2002)

We present velocity observations from a shipboard acoustic Doppler current profiler (ADCP) on R/V Wecoma during cruise W0108a (6-25 August 2001). The cruise was a component (Survey II) of the Coastal Ocean Advances in ...
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

Pierce, Stephen D.; Barth, John A.; Oregon State University. College of Oceanic and Atmospheric Sciences (Corvallis, Or. : College of Oceanic & Atmospheric Sciences, Oregon State University, 2004)

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 ...
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

Pierce, Stephen D.; Barth, John A.; Cowles, Timothy J.; Oregon State University. College of Oceanic and Atmospheric Sciences (Corvallis, Or. : College of Oceanic & Atmospheric Sciences, Oregon State University, 1999-12)
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

Pierce, Stephen D.; Oregon State University. College of Oceanic and Atmospheric Sciences; Barth, John A.; Cowles, Timothy J. (Corvallis, Or. : College of Oceanic & Atmospheric Sciences, Oregon State University, 1999-12)
Anomalously warm July 2005 in the northern California Current : historical context and the significance of cumulative wind stress

Pierce, Stephen D.; Barth, John A.; Thomas, Rebecca E.; Fleischer, Guy W. (American Geophysical Union, 2006)

In the northern California Current, the onset of the 2005 upwelling season was five weeks later than usual, and well established upwelling with a cold surface signature did not occur until about seven weeks after this ...
Currents and water masses of the coastal transition zone off Northern California, June to August 1988

Huyer, Adriana, 1945-; Kosro, P. Michael, 1951-; Fleischbein, Jane; Ramp, Steven R.; Stanton, Tim; Washburn, Libe; Chavez, Francisco P.; Cowles, Timothy J.; Pierce, Stephen D.; Smith, Robert L. (Robert Lloyd), 1935- (Journal of Geophysical Research, 1991-08-15)

In summer 1988, we made repeated mesoscale surveys of a grid extending 200 km offshore between 37°N and 39°N in the coastal transition zone off northern California, obtaining continuous acoustic Doppler current profile ...
Declining Oxygen in the Northeast Pacific

Pierce, Stephen D.; Barth, John A.; Shearman, R. Kipp; Erofeev, Anatoli Y. (American Meteorological Society, 2012-03)

Climate models predict a decrease in oceanic dissolved oxygen and a thickening of the oxygen minimum zone, associated with global warming. Comprehensive observational analyses of oxygen decline are challenging, given gen ...
Delayed upwelling alters nearshore coastal ocean ecosystems in the northern California current

Barth, John A.; Menge, Bruce A.; Lubchenco, Jane; Chan, Francis; Bane, John M.; Kirincich, Anthony R.; McManus, Margaret A.; Nielsen, Karina J.; Pierce, Stephen D.; Washburn, Libe (National Academy of Sciences of the USA, 2007-03)

Wind-driven coastal ocean upwelling supplies nutrients to the euphotic zone near the coast. Nutrients fuel the growth of phytoplankton, the base of a very productive coastal marine ecosystem [Pauly D, Christensen V (1 ...
Dynamics of the Coastal Transition Zone Jet 1. Linear stability analysis

Pierce, Stephen D.; Allen, John S.; Walstad, Leonard J. (American Geophysical Union, 1991)

The linear stability of a coastal transition zone (CTZ) jet is analyzed using a six-layer quasi-geostrophic model with observed basic state velocity profiles. The velocity profiles are obtained from objectively analyzed ...
Equatorward jets and poleward undercurrents along the eastern boundary of the mid-latitude north Pacific

Pierce, Stephen D. (1998-05-06)

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

Pierce, Stephen D.; Barth, John A.; Smith, Robert L. (American Meteorological Society, 1999-05)

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 ...
Mesoscale physical and bio-optical structure of the Antarctic Polar Front near 170°W during austral spring

Barth, John A.; Cowles, Timothy J.; Pierce, Stephen D. (American Geophysical Union, 2001)

As part of the U.S. Joint Global Ocean Flux Study Southern Ocean program, high-resolution surveys of the Antarctic Polar Front near 170øW were conducted during October-November 1997 with a towed undulating system equip ...
Physical versus biological spring transition: 2005

Kosro, P. Michael, 1951-; Peterson, William T.; Hickey, Barbara M.; Shearman, R. Kipp; Pierce, Stephen D. (American Geophysical Union, 2006)

In 2005, the onset of spring conditions in the physics of the coastal ocean (lowered sea level, spin-up of vertically-sheared equatorward coastal jet) came about 50 days later than average off Newport Oregon, on May 2 ...
SeaSoar CTD observations during the coastal mixing and optics experiment : R/V Endeavor cruises from 14-Aug to 1-Sep 1996 and 25-Apr to 15-May 1997

O'Malley, Robert T.; Barth, John A.; Erofeev, A. Y. (Anatoli Y.); Fleischbein, Jane; Kosro, P. Michael, 1951-; Pierce, Stephen D.; Oregon State University. College of Oceanic and Atmospheric Sciences (Corvallis, Or. : College of Oceanic and Atmospheric Sciences, Oregon State University, 1998-10)
Secondary circulation associated with a shelfbreak front

Barth, John A.; Bogucki, Darek; Pierce, Stephen D.; Kosro, P. Michael, 1951- (American Geophysical Union, 1998-08-01)

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 ...
Small-boat hydrographic surveys of the Oregon mid- to inner shelf : May-September 1999 : a component of the Prediction of Wind-Driven Coastal Circulation Project

Austin, Jay Alan; Barth, John A.; Pierce, Stephen D.; Oregon State University. College of Oceanic and Atmospheric Sciences (Corvallis, Or. : Oregon State University, College of Oceanic and Atmospheric Sciences, 2000-04)

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