Regional Fisheries Oceanography of the California Current by Sam McClatchie

By Sam McClatchie

The California present process is likely one of the top studied ocean areas of the area, and the extent of oceanographic details on hand may be basically passed by way of the northeast and northwest Atlantic. the present literature (later than 1993) deals no complete, built-in evaluation of the local fisheries oceanography of the California present System.

This quantity summarizes info of greater than 60-year California Cooperative Oceanic Fisheries research (CalCOFI). whereas supplying a wide bibliography, the cause was once to extract issues appropriate to present learn instead of to arrange a compendious assessment of the literature.

The paintings provides an invaluable evaluate and reference aspect for multidisciplinary fisheries scientists and organic oceanographers new to operating within the California present process, and to experts wishing to entry details outdoors their center components of workmanship. additionally it goals to carry an up-to-the-minute connection with the present nation of information of fisheries oceanography within the California present approach.

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Extra resources for Regional Fisheries Oceanography of the California Current System: The CalCOFI program

Sample text

The poleward flow at depth known as the California Undercurrent has been known for decades from studies based on the CalCOFI survey data ([77, 339] cited in [560]). The classic pattern derived from CalCOFI CTD profiles, which mostly extend to 500 m depth, shows a nearshore California Undercurrent, with highest velocities at 100–300 m, and seasonally reversing surface flows near the coast. To the south of Point Conception the California Undercurrent flows inshore of the Santa Rosa Ridge, but gaps in the ridge provide exit points for the Undercurrent [340].

3). A second Y-shaped ridge extends from Santa Cruz Island and splits into two ridges extending to Santa Catalina and San Clemente Islands, respectively. The three deep basins of the SCB south of Santa Cruz Island, west of Santa Catalina Island and west of San Clemente Island are all deeper than the Santa Barbara Basin to the north of Santa Cruz, Santa Bathymetry off southern California and the region to the west of the Southern California Bight (SCB) is complex, with a narrow shelf inside the 200 m depth contour and a complicated “rough borderland” [148] of deep basins and 1 Another definition places the western boundary of the Southern California Bight at the base of the Patton Escarpment offshore of the Santa Rosa Ridge (about at the 2000 m isobath in Fig.

Positive velocities are poleward. 0 (b and d) denotes the location of the Santa Rosa Ridge. Dark gray shading represents the bathymetry along the survey lines. 1), and the driving mechanisms had not been distinguished. The importance of advection to zooplankton variability in the California Current was first suggested by Wickett (1967) ([583] cited by Chelton (1981) [106]). Wickett (1967) found a positive correlation between wind forcing in the Alaska Gyre and zooplankton volume off California one year later.

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