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Creator:: Dugdale, Richard C., Davis, Curtiss O., and Wilkerson, Frances P.
Abstract:: Remotely sensed sea surface temperature (SST) and a model originally developed for Cap Blanc, northwest Africa [Dugdale et al., 1989], are used to estimate new production (i.e., nitrate uptake, in the sense of Dugdale and Goering [1967]) for the persistent coastal upwelling feature at Point Conception, California. Parameters required to...
Resource Type:: Article
Full Text:: temperature Richard C. Dugdale • Department of Biological Sciences, University of Southern California, Los

Creator:: Brandi-Dohrn, Florian M., Dick, Richard P., Hess, Mario, and Selker, John S.
Abstract:: An accurate assessment of leaching losses in the vadose zone requires measurement of both solute and water flux to compute flux concentrations (C[subscript F]). Leachate collected at a depth of 1.2 m in 32 passive capillary samplers (PCAPS), which sample soil-pore water continuously at tensions of 0–50 cm H₂O was...
Resource Type:: Article
Full Text:: -Dohrn Department of Bior½sourc½ Engineering, Oregon State University, Corvallis Richard P. Dick

Creator:: Chavez, Francisco P., Barber, Richard T., Kosro, P. Michael, 1951-, Huyer, Adriana, 1945-, Ramp, Steven R., Stanton, Timothy P., and Rojas de Mendiola, Blanca
Abstract:: Conductivity‐temperature‐depth surveys during 1988 encountered strong baroclinic jets that were evident in acoustic Doppler current profiler and hydrographic data. During June and July 1988 a filament with high surface nitrate, high chlorophyll, abundant populations of neritic centric diatoms, and higher rates of primary production was evident perpendicular to the coast...
Resource Type:: Article
Full Text:: FRANCISCO P. CHAVEZ 1, RICHARD T. BARBER 2, P. MICHAEL KOSRO 3, ADRIANA HUYER 3, STEVEN R. RAMP 4, TIMOTHY

Creator:: Oregon State University. Agricultural Experiment Station, United States. Agricultural Research Service, Columbia Basin Agricultural Research Center, Rasmussen, Paul E., Collins, Harold P., and Smiley, Richard W.
Abstract:: Long-term experiments were started at Pendleton and Moro, Oregon in the 1930's to evaluate the effects of tillage, fertilizer, and residue management on crop productivity in non-irrigated semi-arid regions. Coupled with multi-year varietal improvement, rotation, and green manure studies, they define those practices which sustain soil productivity and improve crop...
Resource Type:: Technical Report
Full Text:: -Arid Regions of Eastern Oregon Paul Rasmussen, Soil Scientist Harold P. Collins, Soil Microbiologist

Creator:: Shum, C. K., Woodworth, P. L., Andersen, O. B., Egbert, Gary D., Francis, O., King, C., Klosko, S. M., Le Provost, C., Li, X., Molines, J-M., Parke, M. E., Ray, Richard D., Schlax, M. G., Stammer, D., Tierney, C. C., Vincent, P., and Wunsch, C. I.
Abstract:: Over 20 global ocean tide models have been developed since 1994, primarily as a consequence of analysis of the precise altimetric measurements from TOPEX/POSEIDON and as a result of parallel developments numerical tidal modeling and data assimilation. This paper provides an accuracy assessment of 10 such tide models and discusses...
Resource Type:: Article
Full Text:: recent ocean tide models C. K. Shum, 1 P. L. Woodworth, 20. B. Andersen, 3 G. D. Egbert, 4 O. Francis

Creator:: Comeau, Philip G., Spittlehouse, David L., Harrington, Timothy B., Chan, Samuel S., Albertson, Graham B., Knowe, Steven A., Shula, Robert G., Hanson, Eric, Schneider, William G., Kauffman, J. Boone, Starkovich, Gary, Powell, Richard L., McMinn, Robert G., Meyer, Bruno, Belz, Douglas, Sharrow, Steven H., Ellen, Geoff, Monfore, John D., Kastner, Walter W., Jr, Monthey, Roger W., Smith, Steven P., McDonald, Philip M., Fiddler, Gary O., Kintop, Craig L., Beckner, Dennis G., Tesch, Steven D., Weber, Chip, and Obermeyer, Edmund L.
Resource Type:: Conference Proceeding
Full Text:: Management Report 65. 28 p. Stathers, R.J. 1989. Summer frost in young plantations. B.C. Ministry of

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