Index Catalog // ScholarsArchive@OSU

Stoichiometry of C, N, P, and Si fluxes in a temperate-climate embayment

Creator:: Smith, S. V., Wiebe, W. J., Hollibaugh, J. T., Dollar, S. J., Hager, S. W., Cole, B. E., Tribble, G. W., and Wheeler, Patricia A.
Abstract:: Dissolved C, N, P, and Si budgets for Tomales Bay, California, have been used to solve simultaneous stoichiometric equations which describe a plausible material balance for net organic matter reactions in the bay. Dissolved Si and P were both exported hydrographically. Dissolved C and fixed N were imported hydrographically. If...
Resource Type:: Article
Full Text:: Journal of Marine Research, 45, 427-460, 1987 Stoichiometry of C

woodytext.pdf

Creator:: Moses, Woody C. and Wheeler, Patricia A.
Abstract:: This project, part of the Northeast Pacific GLOBEC Long Term Observation Project (NEPGLOBEC- LTOP), constitutes the first multi-year study of phytoplankton variability in the Oregon coastal environment. The work divides into two studies: analysis of interseasonal change and analysis of detailed changes within the summer upwelling period. In the first...
Full Text:: -Shelf Trends of the Phytoplankton Community of the Oregon Coastal Environment by Woody C

woodyapp.pdf

Creator:: Moses, Woody C. and Wheeler, Patricia A.
Abstract:: This project, part of the Northeast Pacific GLOBEC Long Term Observation Project (NEPGLOBEC- LTOP), constitutes the first multi-year study of phytoplankton variability in the Oregon coastal environment. The work divides into two studies: analysis of interseasonal change and analysis of detailed changes within the summer upwelling period. In the first...
Full Text:: (°C), salinity (psu), and concentrations of the inorganic nutrients phosphate, ammonium, silicate

Seasonal and across-shelf trends of the phytoplankton community of the Oregon coastal environment

Creator:: Moses, Woody C. and Wheeler, Patricia A.
Abstract:: This project, part of the Northeast Pacific GLOBEC Long Term Observation Project (NEPGLOBEC- LTOP), constitutes the first multi-year study of phytoplankton variability in the Oregon coastal environment. The work divides into two studies: analysis of interseasonal change and analysis of detailed changes within the summer upwelling period. In the first...
Resource Type:: Technical Report

Ammonium uptake and incorporation by Chesapeake Bay phytoplankton: Short term uptake kinetics

Creator:: Wheeler, Patricia A., Glibert, Patricia M., and McCarthy, James J.
Abstract:: Using 15N-labeled NH4+, we assessed the time-course of NH4+ uptake, the parameters of saturation kinetics, and the rates of incorporation of NH4+ into trichloroacetic acid-insoluble material by Chesapeake Bay phytoplankton. The amount of NH4+ taken up by the phytoplankton increased linearly with time for 2 h for all samples growing...
Resource Type:: Article
Full Text:: WHEELER, PATRICIA A., PATRICIA M. GLIBERT, AND JAMES J. MCCARTHY

Release of dissolved organic matter by coastal diatoms

Creator:: Wetz, Michael S. and Wheeler, Patricia A.
Abstract:: Dissolved organic matter (DOM) production was examined in axenic batch cultures of five coastal diatom species. For Chaetoceros decipiens, dissolved organic carbon (DOC) accumulated beginning in late exponential growth as a result of increased cell density. For Cylindrotheca closterium, DOC actually decreased in late exponential growth and reached zero by...
Resource Type:: Article
Full Text:: Wetz, Michael S., and Patricia A. Wheeler. Release of dissolved

Anthropogenic CO₂ invasion into the northeast Pacific based on concurrent δ¹³CDIC and nutrient profiles from the California Current

Creator:: Ortiz, Joseph D., Mix, Alan C., Wheeler, Patricia A., and Key, R. M.
Abstract:: The stable isotopic signature of dissolved inorganic carbon (δ¹³CDIC) in the northeast Pacific Ocean is lower in near-surface waters by 1.1‰ relative to values predicted from global oceanic trends of δ¹³CDIC versus nutrients. A combination of anthropogenic carbon uptake from the atmosphere and thermodynamic, air-sea gas exchange processes in different...
Resource Type:: Article
Full Text:: Based on Concurrent δ¹³C_DIC and NutrientProfiles From the California Current

Amino acid uptake by marine phytoplankters

Creator:: Wheeler, Patricia A., North, Barbara B., and Stephens, Grover C.
Abstract:: Axenic cultures of 25 species of unicellular marine algae were tested for their ability to utilize nine common amino acids, supplied at high concentrations in batch culture, as a nitrogen source; most species were able to use several amino acids, although growth was often slower than on nitrate nitrogen. The...
Resource Type:: Article
Full Text:: marine phytoplankters1*2 Patricia A. Wheeler, Barbara B. North, and Grover C. Stephens Department of

Utilization of inorganic and organic nitrogen by bacteria in marine systems

Creator:: Wheeler, Patricia A. and Kirchman, David L.
Abstract:: The relative contribution of various inorganic and organic forms of nitrogen to the nitrogen requirements of picoplankton was examined with 15N tracers. Size fractionation was used to measure uptake by <1-μM size microorganisms, and inhibitors of protein synthesis were used to separate procaryotic from eucaryotic nitrogen uptake, Picoplankton utilized mainly...
Resource Type:: Article
Full Text:: WHEELER, PATRICIA A., AND DAVID L. KIRCHMAN. Utilization of

Production and partitioning of organic matter during simulated phytoplankton blooms

Creator:: Wetz, Michael S. and Wheeler, Patricia A.
Abstract:: Few studies have examined the partitioning of organic matter in upwelling systems, despite the fact that these systems play a key role in carbon and nitrogen budgets in the ocean. We examined the production and partitioning of phytoplankton-derived organic matter in deck incubations off Oregon during the upwelling season. During...
Resource Type:: Article
Full Text:: Wetz, Michael S., and Patricia A. Wheeler, Production and

Response of bacteria to simulated upwelling phytoplankton blooms

Creator:: Wetz, Michael S. and Wheeler, Patricia A.
Abstract:: Until recently, studies of the fate of primary production in coastal upwelling systems have focused mainly on export through sinking of particulate organic matter (POM). In week-long deck incubations conducted during the upwelling season off Oregon, a large accumulation of carbonrich (C:N ≥ 16) dissolved organic matter (DOM) occurred following...
Resource Type:: Article
Full Text:: that autochthonously produced DOM is an important component of C and N budgets in upwelling systems

Nitrate uptake rates in a coastal upwelling regime: a comparison of PN-specific, absolute, and Chl a-specific rates

Creator:: Dickson, Mary-Lynn and Wheeler, Patricia A.
Abstract:: PN-specific, absolute, and Chl a-specific nitrate uptake rates were measured during two upwelling seasons and one winter off Oregon. Although PN-specific and absolute uptake rates showed no dependence on nitrate concentration, Michaelis-Menten kinetics applied when the uptake rates were normalized to Chl a. Chl a-specific nitrate uptake rates were saturated...
Resource Type:: Article
Full Text:: DICKSON, MARY-LYNN, AND PATRICIA A. WHEELER. Nitrate uptake

Chlorophyll a concentrations in the North Pacific: does a latitudinal gradient exist?

Creator:: Dickson, Mary-Lynn and Wheeler, Patricia A.
Abstract:: Chlorophyll a concentrations were measured as a function of depth from 28 to 48°N along 152°W in March 1991 with Whatman GF/F and 0.2‐µm Nuclepore filters. Surface Chl a concentrations measured with 0.2‐µm Nuclepore filters were up to fourfold higher than those measured with Whatman GF/F filters. The largest difference...
Resource Type:: Article
Full Text:: DICKSON, MARY-LYNN, AND PATRICIA A. WHEELER. Chlorophyll a

Reply to the note by Chavez et al.

Creator:: Dickson, Mary-Lynn and Wheeler, Patricia A.
Resource Type:: Article
Full Text:: DICKSON, MARY-LYNN, AND PATRICIA A. WHEELER. Reply to the note

Nitrogen uptake and phytoplankton growth in coastal upwelling regions

Creator:: Kokkinakis, Steven A. and Wheeler, Patricia A.
Abstract:: Uptake of nitrogenous nutrients by microplankton off the Washington and Oregon coasts was measured during the 1985 upwelling period. Nitrogen uptake rates in low-NO3- waters (<5 μM) were 0.020–0.258 μmol N liter-1 h-1 and were primarily supported by regenerated nitrogen (71% of total uptake). Nitrogen uptake rates in high-NO3- waters...
Resource Type:: Article
Full Text:: KOKKINAKIS, STEVEN A., AND PATRICIA A. WHEELER Nitrogen uptake

Methylammonium uptake by Chesapeake Bay phytoplankton: Evaluation of the use of the ammonium analogue for field uptake measurements

Creator:: Wheeler, Patricia A. and McCarthy, James J.
Abstract:: The uptake of methylammonium (MA) by Chesapeake Bay phytoplankton was measured in short term experiments by using the 14C radioisotope. This uptake was inversely related to ambient NH4+ concentrations, and the specificity for uptake of both substrates was demonstrated by competitive inhibition. At stations with low ambient NH4+, MA uptake...
Resource Type:: Article
Full Text:: WHEELER, PATRICIA A., AND JAMES J. MCCARTHY. Methylammonium

Nitrogen cycling in the Barents Sea - seasonal dynamics of new and regenerated production in the marginal ice zone

Creator:: Kristiansen, Svein, Farbrot, Tove, and Wheeler, Patricia A.
Abstract:: The uptake rates of nitrate, ammonium, and urea were measured with a ¹⁵N technique during seven cruises in the marginal ice zone (MIZ) in the Barents Sea in 1984–1988. The results from all the cruises were pooled to obtain means for the prebloom, bloom, transition, and postbloom periods. New production—nitrate...
Resource Type:: Article
Full Text:: KRISTIANSEN, SVEIN, TOVE FARBROT, AND PATRICIA A. WHEELER

Uptake of ammonium and urea in the northeast Pacific: comparison between netplankton and nanoplankton

Creator:: Kokkinakis, Steven A. and Wheeler, Patricia A.
Abstract:: The stable isotope 15N was used to measure nitrogen uptake in the coastal upwelling region off Oregon and Washington, USA, where nitrate concentrations in the surface water ranged from 0.7 to 49.1 μM. Nanoplankton biomass (1 to 10 pm) was relatively more abundant at low-nitrate stations, while netplankton biomass (10...
Resource Type:: Article
Full Text:: : comparison between netplankton and nanoplankton Steven A. Kokkinakis, Patricia A. Wheeler College of

Ammonium recycling limits nitrate use in the oceanic subarctic Pacific

Creator:: Wheeler, Patricia A. and Kokkinakis, Steven A.
Abstract:: Seasonal and diel changes in nutrient concentrations and nitrogen assimilation rates were used to assess the effects of NH4+ on NO3- assimilation. Surface-water NO3- concentrations ranged from 6 to 17 μM while NH4+ concentrations ranged from 0 to 0.4 μM. Total N assimilation ranged from 84 to 732 nM d–1...
Resource Type:: Article
Full Text:: WHEELER, PATRICIA A., AND STEVEN A. KOKKINAKIS. Ammonium recycling

Introduction to special section : Coastal Advances in Shelf Transport

Creator:: Barth, John A. and Wheeler, Patricia A.
Abstract:: The Coastal Ocean Advances in Shelf Transport (COAST) program conducted an interdisciplinary study of coastal upwelling off central Oregon during summer 2001. Two intensive field efforts during May–June and August 2001 were coordinated with ocean circulation, ecosystem, and atmospheric modeling of the region. A primary goal was to contrast the...
Resource Type:: Article
Full Text:: cross-shelf distribution of copepod biomass, and of the species A. hudsonica and C. marshalle were

Pump station data report for the May 2001, August 2001 and January 2003 COAST cruises : nutrients, extracted chlorophyll, and dissolved and particulate organic carbon and nitrogen

Creator:: Wetz, Jennifer Jarrell and Wheeler, Patricia A.
Abstract:: The data set presented here includes the discrete depth profile data and time series data from the vertical profiling cruises carried out as a portion of the “Coastal Ocean Advances in Shelf Transport” (COAST) project. The primary purpose for collection of this data set was to calibrate the optical parameters...
Resource Type:: Technical Report
Full Text:: and Patricia Wheeler College of Oceanic and Atmospheric Sciences Oregon State University

Ammonium uptake and regeneration rates in a coastal upwelling regime

Creator:: Dickson, Mary-Lynn and Wheeler, Patricia A.
Abstract:: Ammonium uptake and regeneration rates were measured in time course experiments with 15N as a tracer. Both ammonium uptake and regeneration rates measured over 12 to 18 h remained essentially constant. However, as the length of the incubations increased the amount of usable data decreased dramatically due to substrate depletion...
Resource Type:: Article
Full Text:: upwelling regime Mary-Lynn ~ i c k s o n ' . ~ , Patricia A. Wheeler ' ' College of Oceanic and

Carbon limitation of ammonium uptake by heterotrophic bacteria in the subarctic Pacific

Creator:: Kirchman, David L., Keil, Richard G., and Wheeler, Patricia A.
Abstract:: The purpose of this study was to test the hypothesis that NH4+ uptake by heterotrophic bacteria in the subarctic Pacific is C limited. Addition of glucose (0.5–1.0 μM) stimulated NH4+ uptake in unfractionated water but had no effect on bacterial abundance. Glucose stimulation of NH4+ uptake was even greater in...
Resource Type:: Article
Full Text:: KIRCHMAN, DAVID L., RICHARD G. KEIL, AND PATRICIA A. WHEELER

Light-induced growth of phytoplankton collected during the winter from the benthic boundary layer off Oregon, USA

Creator:: Wetz, Michael S., Wheeler, Patricia A., and Letelier, Ricardo M.
Abstract:: Despite the importance of the spring phytoplankton bloom off Oregon as a food source for zooplankton, little is known about the sources of phytoplankton seed stock for the bloom or its timing. Experiments were conducted in the late winter to determine if the benthic boundary layer (BBL) could be a...
Resource Type:: Article
Full Text:: from the benthic boundary layer off Oregon, USA Michael S. Wetz*, Patricia A. Wheeler, Ricardo M

Uptake of glycine by natural phytoplankton communities

Creator:: Wheeler, Patricia A., North, B., Littler, M., and Stephens, G.
Abstract:: Uptake of [14C]glycine by various size fractions of natural plankton communities was measured to determine if phytoplankton can compete effectively with other members of the plankton community for the free amino acids in seawater. The simultaneous occurrence of glycine uptake, plant pigments, and photosynthetic activity in the same size fractions,...
Resource Type:: Article
Full Text:: 3 m deep, salinity ranged from 30- 33%0, and the water temperature from 14”-20°C. The average

Oxygen production and carbon sequestration in an upwelling coastal margin

Creator:: Hales, Burke, Karp-Boss, Lee, Perlin, Alexander, and Wheeler, Patricia A.
Abstract:: We examined high-resolution cross-shelf distributions of particulate organic carbon (POC) and dissolved O₂ during the upwelling season off the Oregon coast. Oxygen concentrations were supersaturated in surface waters, and hypoxic in near-bottom waters, with greatly expanded hypoxic conditions late in the season. Simplified time-dependent mass balances on cross-shelf integrated concentrations...
Resource Type:: Article
Full Text:: upwelling coastal margin Burke Hales,1 Lee Karp-Boss,2 Alexander Perlin,1 and Patricia A. Wheeler1

Cold halocline, increased nutrients and higher chlorophyll off Oregon in 2002

Creator:: Wheeler, Patricia A., Huyer, Adriana, 1945-, and Fleischbein, Jane
Abstract:: Observed changes in the nutrient levels in the halocline of the California Current during 2002 indicated a natural eutrophication that was accompanied by increased chlorophyll and oxygen in surface water. Decreased oxygen in the lower water column over the shelf indicated that much of the phytoplankton production was respired rather...
Resource Type:: Article
Full Text:: chlorophyll off Oregon in 2002 Patricia A. Wheeler, Adriana Huyer, and Jane Fleischbein College of Oceanic

Diel periodicity in ammonium uptake and regeneration in the oceanic subarctic Pacific: Implications for interactions in microbial food webs

Creator:: Wheeler, Patricia A., Kirchman, David L., Landry, Michael R., and Kokkinakis, Steven A.
Abstract:: Diel periodicity in NH4+ uptake and regeneration in the nutrient-rich environment of the oceanic subarctic Pacific was examined. Surface water was incubated in large shipboard microcosms that allowed repeated sampling of the planktonic community for NH4+ cycling rates, bacterial production rates, and population densities of the dominant autotrophs and heterotrophs....
Resource Type:: Article
Full Text:: WHEELER, PATRICIA A., DAVID L. KIRCHMAN, MICHAEL R. LANDRY, AND

Assessment of macroalgal nitrogen limitation in a seasonal upwelling region

Creator:: Fujita, Rodney M., Wheeler, Patricia A., and Edwards, Robert L.
Abstract:: The relationship between nitrogen (N) availability and the growth of macroalgae in a seasonal upwelling region (Yaquina Head, Oregon, USA) was investigated. Water column nutrient concentrations were relatively high and stable during the winter, decreased in early spring, and were highly variable in the summer and early fall. Periods of...
Resource Type:: Article
Full Text:: region Rodney M. Fujita*, Patricia A. Wheeler**, Robert L. Edwards College of Oceanography, Oregon

Rocky intertidal oceanography: an association between community structure and nearshore phytoplankton concentration

Creator:: Menge, Bruce A., Daley, Bryon A., Wheeler, Patricia A., and Strub, P. Ted
Abstract:: On Oregon coastal rocky shores, filter‐feeders were relatively abundant and macrophytes were relatively scarce at Strawberry Hill, whereas opposite abundance patterns occurred at Boiler Bay. To determine whether nearshore oceanographic differences were associated with these patterns, we made shore‐based measurements of nutrient and Chl a concentrations. We used a three‐level...
Resource Type:: Article
Full Text:: MENGE, BRUCE A., BRYON A. DALEY, PATRICIA A. WHEELER, AND P

Nutrient and extracted chlorophyll data from the GLOBEC long-term observation program, 1997-2004 (revised 2012)

Creator:: Wetz, Jennifer Jarrell, Hill, Jon, Corwith, Holly L., and Wheeler, Patricia A.
Abstract:: Originally published in 2004, revised in 2012.
Resource Type:: Technical Report
Full Text:: , Holly Corwith, and Patricia A. Wheeler College of Oceanic and Atmospheric Sciences Oregon State

Riverine input of macronutrients, iron, and organic matter to the coastal ocean off Oregon, U.S.A., during the winter

Creator:: Wetz, Michael S., Hales, Burke, Chase, Zanna, Wheeler, Patricia A., and Whitney, Michael M.
Abstract:: Three cross‐shelf transects were conducted off northern Oregon in February, 2003, coincident with flooding of Coast Range rivers, to assess the riverine impact on coastal ocean biogeochemistry. During downwelling conditions, low salinity river‐influenced water was located in a narrow band near the coast and contained elevated macronutrient, iron, and organic...
Resource Type:: Article
Full Text:: Wetz, Michael S., Burke Hales, Zanna Chase, Patricia A. Wheeler

Iron, nutrient, and phytoplankton distributions in Oregon coastal waters

Creator:: Chase, Zanna, van Geen, Alexander, Kosro, P. Michael, 1951-, Marra, John, and Wheeler, Patricia A.
Abstract:: The relationship between iron and nitrate concentrations was examined off the coast of Oregon during the upwelling season. Surface Fe and N (nitrate + nitrite) concentrations measured underway by flow injection analysis ranged from <0.3 to 20 nmol L¯¹ and <0.1 to 30 mmol L¯¹, respectively. Total dissolvable Fe concentrations,...
Resource Type:: Article
Full Text:: and Patricia A. Wheeler4 Received 18 May 2001; revised 5 December 2001; accepted 14 March 2002

Particulate and dissolved organic carbon and nitrogen data from the GLOBEC long-term observation program, 1997-2004 (revised 2012)

Creator:: Wetz, Jennifer Jarrell, Arrington, Julie, Wheeler, Patricia A., and Global Ocean Ecosystems Dynamics (Program)
Abstract:: The particulate and dissolved organic carbon and nitrogen data included in this report are a complete version of all data for GLOBEC cruises 1997-2004. The nutrient and chlorophyll data that correspond to this data set can be found in "Nutrient and Extracted Chlorophyll Data from the GLOBEC Long-Term Observation Program,...
Resource Type:: Technical Report
Full Text:: , 1997-2004 Jennifer Jarrell Wetz, Julie Arrington, and Patricia A. Wheeler College of Oceanic

Particulate and dissolved organic carbon and nitrogen data from the GLOBEC Long-Term Observation Program, 1997-2004

Creator:: Wetz, Jennifer Jarrell, Arrington, Julie, Wheeler, Patricia A., and Global Ocean Ecosystems Dynamics (Program)
Abstract:: The particulate and dissolved organic carbon and nitrogen data included in this report are a complete version of all data for GLOBEC cruises 1997-2004. The nutrient and chlorophyll data that correspond to this data set can be found in “Nutrient and Extracted Chlorophyll Data from the GLOBEC Long-Term Observation Program,...
Resource Type:: Technical Report
Full Text:: Jarrell Wetz, Julie Arrington, and Patricia A. Wheeler College of Oceanic and Atmospheric Sciences

Benthic-Pelagic Links and Rocky Intertidal Communities: Bottom-Up Effects on Top-Down Control?

Creator:: Menge, Bruce A., Daley, Bryon A., Wheeler, Patricia A., Dahlhoff, Elizabeth, Sanford, Eric, and Strub, P. Ted
Abstract:: Insight into the dependence of benthic communities on biological and physical processes in nearshore pelagic environments, long considered a ``black box,'' has eluded ecologists. In rocky intertidal communities at Oregon coastal sites 80 km apart, differences in abundance of sessile invertebrates, herbivores, carnivores, and macrophytes in the low zone were...
Resource Type:: Article
Full Text:: ? (productivityycurrentsyscaleycommunity structureyupwelling) BRUCE A. MENGE*†, BRYON A. DALEY*‡, PATRICIA A. WHEELER§, ELIZABETH DAHLHOFF

Preliminary Cruise Report, W0408D and W0409A, R/V WECOMA, 30 August – 3 September and 7-9 September 2004 : GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., and Peterson, W. T.
Abstract:: PURPOSE (W0408D): To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/ rosette and net tow stations along 3 lines (off Newport, Strawberry Hill and Heceta Head, OR.), and to make continuous observations of currents...
Resource Type:: Technical Report
Full Text:: during W0408D, and sampling at each station (C: Bio/Chem bottle sampling, N:half- meter vertical net tows

Ecological dynamics in the subarctic Pacific, a possibly iron-limited ecosystem

Creator:: Miller, Charles B., Frost, Bruce W., Wheeler, Patricia A., Landry, Michael R., Welschmeyer, Nicholas, and Powell, Thomas M.
Abstract:: It has been suggested that production in offshore waters of the subarctic Pacific is limited by availability of dissolved Fe. Although that is not yet adequately established, the functional consequences of the limitation (if it exists) can be characterized from the results of the Subarctic Pacific Ecosystem Research (SUPER) program....
Resource Type:: Article
Full Text:: MILLER, CHARLES B., BRUCE W. FROST, PATRICIA A. WHEELER, MICHAEL

Upper ocean water properties and currents along paired sections in the Northern California current, spring 1998-2003

Creator:: Fleischbein, Jane H., Huyer, Adriana, 1945-, Kosro, P. Michael, 1951-, Smith, Robert L. (Robert Lloyd), 1935-, Wetz, Jennifer Jarrell, and Wheeler, Patricia A.
Abstract:: As part of the U. S. GLOBEC NorthEast Pacific Program we made repeated seasonal hydrographic surveys in the northern California Current system (Figure 1) between July 1997 and September 2003. These surveys included early spring sampling along a pair of hydrographic sections, one north (at 44.6ºN) and one south (at...
Resource Type:: Technical Report
Full Text:: Jarrell Wetz and Patricia A. Wheeler College of Oceanic and Atmospheric Sciences Oregon State

Upper ocean water properties and currents along paired sections in the Northern California Current, September 1999-2003

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Kosro, P. Michael, 1951-, Smith, Robert L. (Robert Lloyd), 1935-, Wetz, Jennifer Jarrell, and Wheeler, Patricia A.
Abstract:: As part of the U. S. GLOBEC NorthEast Pacific Program we made repeated seasonal hydrographic surveys in the northern California Current system between July 1997 and September 2003. These surveys included sampling along a pair of hydrographic sections, one north (at 44.6ºN) and one south (at 41.9ºN) of Cape Blanco...
Resource Type:: Technical Report
Full Text:: Jennifer J. Wetz and Patricia A. Wheeler College of Oceanic and Atmospheric Sciences Oregon

Hydrographic data from the GLOBEC long-term observation program off Oregon, 1997 and 1998

Creator:: Fleischbein, Jane, Hill, Jon, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Wheeler, Patricia A., and Global Ocean Ecosystems Dynamics (Program)
Resource Type:: Technical Report
Full Text:: participating on the Pilot Monitoring Cruises. W 97 07 B W 97 09 B W 97 11 C W 98 01 B W 98 04 A A R

Nutrient and extracted chlorophyll data from the GLOBEC long-term observation program, 1997-2004

Creator:: Wetz, Jennifer Jarrell, Hill, Jon, Corwith, Holly L., Wheeler, Patricia A., and Global Ocean Ecosystems Dynamics (Program)
Abstract:: Originally published Feb 2004, revised Jan 2005. A 2012 revision of this item can be found at http://hdl.handle.net/1957/30347.
Resource Type:: Technical Report
Full Text:: Jarrell Wetz, Jon Hill, Holly Corwith, and Patricia A. Wheeler College of Oceanic and Atmospheric

Scholarly Communications Task Force Report to the Faculty Senate

Creator:: Wheeler, Patricia A., Allen, Bonnie, Beach, Gary L., Boock, Michael, Carter, Rich, Walker, Alexis, and Winograd, Ken
Abstract:: Reports the work of the 2004/2005 Oregon State University Faculty Senate Task Force on Scholarly Communication. Report: Determines the current practices that impede an open and sustainable system of scholarly communication, citing data where necessary to substantiate the findings; 2. Determines actions that OSU faculty members, as authors, readers, reviewers,...
Resource Type:: Other
Full Text:: Repository at OSU. c. Reviewers: Faculty members should support non-profit scholarly societies by

Two coastal upwelling domains in the northern California Current system

Creator:: Huyer, Adriana, 1945-, Fleischbein, Jane, Keister, Julie Eileen, Kosro, P. Michael, 1951-, Perlin, Natalie, Smith, Robert L. (Robert Lloyd), 1935-, and Wheeler, Patricia A.
Abstract:: A pair of hydrographic sections, one north and one south of Cape Blanco at 42.9N, was sampled in five summers (1998–2000 and 2002–2003). The NH line at 44.6N lies about 130 km south of the Columbia River, and spans a relatively wide shelf off Newport, Oregon. The CR line at...
Resource Type:: Article
Full Text:: , Robert L. Smith1 and Patricia A. Wheeler1 ABSTRACT A pair of hydrographic sections, one north and one

Preliminary Cruise Report, W9909C, R/V WECOMA, 22-27 September 1999 : GLOBEC/ENSO Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Peterson, W. T., and Barth, Jack A.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 4 lines (off Newport, Coos Bay, Crescent City and Eureka), to make additional stations along a fifth line (off...
Resource Type:: Technical Report
Full Text:: station (showing Station name, distance (km) to shore, longitude, depth (m), and additional sampling (C

Preliminary Cruise Report, W0002A, R/V WECOMA, 1-3 February 2000 : GLOBEC/ENSO Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Peterson, W. T., and Barth, Jack A.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along one line off Newport, OR, and to make continuous observations of currents using ADCP and of surface-layer temperature, salinity...
Resource Type:: Technical Report
Full Text:: are constant to within 0.015 C and 0.01 psu between the surface and the deepest observation at 87 m

Preliminary Cruise Report, W0309B, R/V WECOMA, 26 September – 1 October 2003 : GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Barth, Jack A., Peterson, W. T., Sherr, Evelyn, and Sherr, Barry F.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, OR. and Crescent City, CA.), to deploy drifters at selected locations...
Resource Type:: Technical Report
Full Text:: September - October 2003 (GMT) W i n d D i r e c t i o n ( ° T ) 26 27 28 29 30 W0309B

Preliminary Cruise Report, W0004B, R/V WECOMA, 11-17 April 2000 : GLOBEC/ENSO Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Peterson, W. T., and Barth, Jack A.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, the Rogue River and Crescent City, OR, to deploy drifters at...
Resource Type:: Technical Report
Full Text:: . The most remarkable feature in the temperature and salinity sections is the pool of cold (<7 C

Preliminary Cruise Report, W0204A, R/V WECOMA, 4-10 April 2002 : GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Barth, Jack A., Peterson, W. T., Sherr, Evelyn, and Sherr, Barry F.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, the Rogue River, OR. and Crescent City, CA.), to make continuous...
Resource Type:: Technical Report
Full Text:: tem- perature inversions between the 8 and 9 C isotherms off Newport, and in oxygen inversions between

Preliminary Cruise Report, W0207A, R/V WECOMA, 9-15 July 2002 : GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Barth, Jack A., Peterson, W. T., Sherr, Evelyn, and Sherr, Barry F.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, the Rogue River, OR. and Crescent City, CA.), to make continuous...
Resource Type:: Technical Report
Full Text:: Head and Coos Bay) the 8 C isotherm lay at a depth of about 20 m over the shelf, and at about 50-80 m

Preliminary Cruise Report, AT721, R/V ATLANTIS, 27 September – 3 October 2002 : GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Barth, Jack A., Peterson, W. T., Sherr, Evelyn, and Sherr, Barry F.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, the Rogue River, OR. and Crescent City, CA.), to make continuous...
Resource Type:: Technical Report
Full Text:: c t i o n ( ° T ) 28 29 30 1 2 3 4 AT721 Wind Speed and Direction 90 180 270 360/0 90

Preliminary Cruise Report, W0212A, R/V WECOMA, 3-5 December 2002 : GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Peterson, W. T., Barth, John A., Sherr, Evelyn, and Sherr, Barry F.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along the Newport Hydro line, and to make continuous observations of currents using ADCP and of surface-layer temperature, salinity and...
Resource Type:: Technical Report
Full Text:: temperature anomalies on the equator exceeded 1.5 C from 180 W to 105 W in November 2002 (Figure 3

Preliminary Cruise Report, W0009A Leg 1, R/V WECOMA, 7-12 September 2000 : GLOBEC/ENSO Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Peterson, W. T., and Barth, Jack A.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, the Rogue River, OR. and Crescent City, CA.), to make continuous...
Resource Type:: Technical Report
Full Text:: few days, and surface temperatures inshore exceeded 12 C. Nevertheless, salinities over the inner

Preliminary Cruise Report, W0304A, R/V WECOMA, 1-6 April 2003 : GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Barth, Jack A., Peterson, W. T., Sherr, Evelyn, and Sherr, Barry F.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, the Rogue River, OR. and Crescent City, CA.), to deploy drifters...
Resource Type:: Technical Report
Full Text:: upwarping toward the coast. Surface temperatures were nearly uniform (about 11 C). Surface salinities were

Preliminary Cruise Report, W0007A, R/V WECOMA, 7-13 July 2000 : GLOBEC/ENSO Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Peterson, W. T., and Barth, Jack A.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, the Rogue River, OR. and Crescent City, CA., to make continuous...
Resource Type:: Technical Report
Full Text:: to lie near the 7° C isotherm, at a depth of 150-250 m. As during our April cruise, there was a pool

Preliminary Cruise Report, W0109A, R/V WECOMA, 4-10 September 2001 : GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Barth, Jack A., Peterson, W. T., Sherr, Evelyn, and Sherr, Barry F.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, the Rogue River, OR. and Crescent City, CA.), to make continuous...
Resource Type:: Technical Report
Full Text:: Crescent City (8-13 C) were much lower than off Newport (12-16 C). Surface salinities off Crescent City

Preliminary Cruise Report, NH 0307A, R/V NEW HORIZON, 2-8 July 2003 : GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Barth, Jack A., Peterson, W. T., Sherr, Evelyn, and Sherr, Barry F.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 4 lines (off Newport, Heceta Head, Coos Bay, OR. and Crescent City, CA.), to deploy drifters at selected locations...
Resource Type:: Technical Report
Full Text:: sharp surface salinity front between NH-5 and NH-10. Surface temperatures ranged from <10º C inshore to

Preliminary Cruise Report, W0302A, R/V WECOMA, 14-16 February 2003 : GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Peterson, W. T., Barth, Jack A., Sherr, Evelyn, and Sherr, Barry F.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along the Newport Hydro line, and to make continuous observations of currents using ADCP and of surface-layer temperature, salinity and...
Resource Type:: Technical Report
Full Text:: r e c t i o n ( ° T ) 14.5 15 15.5 16 16.5 W0302A Wind Speed and Direction 0 90 180

Preliminary Cruise Report, W9911A, R/V WECOMA, 3-5 November 1999 : GLOBEC/ENSO Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Peterson, W. T., and Barth, Jack A.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along one lines off Newport, OR, and to make continuous observations of currents using ADCP and of surface-layer temperature, salinity...
Resource Type:: Technical Report
Full Text:: (showing Station name, distance (km) to shore, longitude, depth (m), and additional sampling (C: Bio/Chem

Preliminary Cruise Report, W0101C, R/V WECOMA, 27-28 January 2001 : GLOBEC Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Peterson, W. T., Barth, Jack A., Sherr, Barry F., and Sherr, Evelyn
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along the Newport Hydro line, to make continuous bio-acoustic observations between the 50-500m. isobath, and to make continuous observations of...
Resource Type:: Technical Report
Full Text:: W0101C. 3 Table 1. CTD station positions during W0101C, and sampling at each station (C: Bio/Chem

Preliminary Cruise Report, W0107A, R/V WECOMA, 6-8 July 2001, GLOBEC/ENSO Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Peterson, W. T., Sherr, Evelyn, Sherr, Barry F., and Barth, Jack A.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along the Newport Hydro line, to make continuous bio-acoustic observations between the 50-500m. isobath, and to make continuous observations of...
Resource Type:: Technical Report
Full Text:: inshore stations showed that coastal upwelling was occurring. The surface temperature of 8°C at the most

Preliminary Cruise Report, W0111B, R/V WECOMA, 27-29 November 2001, GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Sherr, Evelyn, Sherr, Barry F., and Barth, Jack A.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in the NE Pacific. In particular, to make CTD/rosette and net tow stations along the Newport Hydro line, to make continuous bio-acoustic observations between the 50-500m. isobath, and to make continuous observations of currents...
Resource Type:: Technical Report
Full Text:: during the preceding week are obvious: the 10 C isotherm intersects the bottom at a depth of 100 m; the

Preliminary Cruise Report, W0103B, R/V WECOMA, 20-24 March 2001 : GLOBEC NEP Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Barth, Jack A., Peterson, W. T., Sherr, Evelyn, and Sherr, Barry F.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, the Rogue River, OR. and Crescent City, CA.), to make continuous...
Resource Type:: Technical Report
Full Text:: Newport Line: the 8.5 to 9.5 C isotherms and the 32.8 to 33.6 psu isopycnals are nearly level across the

Preliminary Cruise Report, W0202A, R/V WECOMA, 19-20 February 2002 : GLOBEC/ENSO Long-Term Observations off Oregon

Creator:: Fleischbein, Jane, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Kosro, P. Michael, 1951-, Wheeler, Patricia A., Peterson, W. T., and Barth, Jack A.
Abstract:: PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along the Newport Hydro line, to make continuous bio-acoustic observations between the 50-500m. isobath, and to make continuous observations of...
Resource Type:: Technical Report
Full Text:: , between 8.5 and 9.5 C. Surface salinities inshore were low, less than 32.0, as usual for this time of year

The state of California current, 2000 – 2001 : a third straight La Niña year

Creator:: Durazo, Reginaldo, Collins, Curtis A., Hyrenbach, David K., Schwing, Franklin B., Baumgartner, Timothy R., García, Joaqúin, Loya, Daniel, Smith, Robert L. (Robert Lloyd), 1935-, Wheeler, Patricia A., Bograd, Steven J., Huyer, Adriana, 1945-, Lynn, Ronald J., and Sydeman, William J.
Abstract:: This report is the eighth in a series that describe recent oceanographic observations within the California Current system, from Oregon to Baja California. The emphasis here is placed on the observations conducted concurrently by the CalCOFI (California Cooperative Oceanic Fisheries Investigations), IMECOCAL (Investigaciones Mexicanas de la COrriente de CALifornia), and...
Resource Type:: Article
Full Text:: Cientifica y E d u c a c h Supenor de Ensenada Apartado Postal 2832 Ensenada, B.C., MGxlco R O B E R

The state of California, 2003 - 2004 : a rare "normal" year

Creator:: Goericke, Ralf, Venrick, Elizabeth, Mantyla, Arnold W., Bograd, Steven J., Schwing, Franklin B., Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Wheeler, Patricia A., Hooff, Rian, Peterson, William T., Gaxiola-Castro, Gilberto, Gomez-Valdes, Jose, Lavaniegos, Bertha E., Hyrenbach, K. David, and Sydeman, William J.
Abstract:: This report describes the state of the California Current System (CCS)—meteorological, physical, chemical, and biological—from January 2003 to the spring of 2004. The area covered in this report ranges from Oregon coastal waters to southern Baja California. Over the past year, most physical, chemical, and biological parameters were close to...
Resource Type:: Article
Full Text:: Lighthouse Avenue Pacific Grove, California 93950-2097 ADRIANA HUYER, ROBERT L. SMITH, PATRICIA A. WHEELER

The state of California, 2003 - 2004 : still cool?

Creator:: Goericke, Ralf, Venrick, Elizabeth, Mantyla, Arnold W., Hooff, Rian, Collins, Curtis A., Gaxiola-Castro, Gilberto, Bograd, Steven J., Schwing, Franklin B., Peterson, William T., Marinovic, Baldo, Durazo, Reginaldo, Huyer, Adriana, 1945-, Smith, Robert L. (Robert Lloyd), 1935-, Wheeler, Patricia A., Chavez, Francisco, Lo, Nancy, Hyrenbach, K. David, and Sydeman, William J.
Abstract:: This report summarizes the recent state of the California Current System (CCS), primarily during the period of April 2004 to January 2005. The report is based on observations made between Oregon and Baja California by various ocean observing programs. The CCS was not forced by any coherent basin-wide processes during...
Resource Type:: Article
Full Text:: VENRICK, STEVEN J. BOGRAD, ADRIANA HUYER, ROBERT L. SMITH ARNOLD MANTYLA FRANKLIN B. SCHWING PATRICIA A

The state of California current, 2001 – 2002 : will the Californa current system keep its cool, or is El Niño coming?

Creator:: Schwing, Franklin B., Gaxiola-Castro, Gilberto, Goméz-Valdéz, José, Kosro, P. Michael, 1951-, Mantyla, Arnold W., Smith, Robert L. (Robert Lloyd), 1935-, Bograd, Steven J., García, Joaqúin, Huyer, Adriana, 1945-, Lavaniegos, Bertha E., Ohman, Mark D., Sydeman, William J., Wheeler, Patricia A., Collins, Curtis A., Goericke, Ralf, Hyrenbach, K. David, Lynn, Ronald J., Peterson, William T., and Venrick, Elizabeth
Abstract:: This report summarizes physical and biological conditions in the California Current System (CCS), from Oregon to Baja California, in 2001 and 2002. The principal sources of the observations described here are the CalCOFI (California Cooperative Oceanic Fisheries Investigations), IMECOCAL (Investigaciones Mexicanas de la Corriente de California), and U.S. GLOBECLTOP (Global...
Resource Type:: Article
Full Text:: Beach, California 94970 9500 Gilman Drive La Jolla, California 92093-0227 PATRICIA A. WHEELER College

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