By Michael R. Landry and Barbara M. Hickey (Eds.)
The Washington-Oregon coastal region is a classical japanese Boundary present zone. the realm is intensely efficient, the productiveness depending on near-shore infusions of nutrition into floor layers in the course of wind-driven coastal upwelling. The Washington-Oregon beach is far extra usual than parts off California or off the East Coast, the place huge capes lend complexity to either the actual surroundings and the atmosphere reaction. The quite instantly beach and wide, deep shelf significantly simplify the actual atmosphere, in order that methods chargeable for a lot of the variance are extra simply pointed out. The method reaction from mid-Oregon northward, even supposing now not strictly two-dimensional, is extra so than many different coastal parts. therefore, the process is amenable to the checking out of really easy types integrating wind forcing with actual, chemical and organic responses within the higher water column.
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Extra resources for Coastal Oceanography of Washington and Oregon
M. Shenker. 1989. Oceanographic influences on the dynamics of commercial fish stocks. R. M. ), Coastal Oceanography of Washington and Oregon. Elsevier,Amsterdam, Neth. A. A. McGowan. 1982. Large-scale interannual physical and biological interaction in the California Current. J . Mar. , 40: 1095-1125. Hamilton, K. J. Emery. 1985. Regional atmospheric forcing of interannual surface temperature and sea level variability in the Northeast Pacific. Pages 22-30 in: W. S. Wooster and D. L. ), El Niiio North.
As previously noted, the Columbia River influence adds to the variability in salinity in the Pacific Northwest. It also accentuates the upwelling signal. Under downwelling conditions the low salinity river water lies along the coast, particularly over the Washington shelf. During periods of upwelling, the river water moves offshore and is replaced at the surface by deeper water with a much higher salt content. Chelton et al. (1982) observed that salinity anomalies were positively, though not significantly, correlated with temperature anomalies in the CalCOFI data.
Perry. The compilation of this data was supported by the Department of Energy under contract DE-AT06- 39 EV-10047. Contribution No. 1784 from the School of Oceanography, University of Washington. REFERENCES Bakun, A. 1973. Coastal upwelling indices, west coast of North America, 1946-1971. U. S. Dept. of Commerce, NOAA Tech. Rep. NMFS SSRF-671, 103 pp. Bakun, A. 1975. Daily and weekly upwelling indices, west coast of North America, 1967-73. U. S. Dept. of Commerce, NOAA Tech. Rep. NMFS SSRF-693, 114 pp.
Coastal Oceanography of Washington and Oregon by Michael R. Landry and Barbara M. Hickey (Eds.)