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A water mass history of the Southern California current system
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2019
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Source: Geophysical Research Letters, 46(12), 6690-6698
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Journal Title:Geophysical Research Letters
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Description:The California Current System represents a con fluence of different water masses originating in the subarctic, subtropical, and tropical eastern Paci fic. Variations in their relative in fluence can alter regional biogeochemistry and ecosystem structure. We perform an optimum multiparameter analysis onhistorical hydrographic data to quantify the spatiotemporal variability of water mass contributions to the California Current. Within the pycnocline, a strong cross ‐shore gradient in the primary water mass source reflects the dominant advective pathways within the California Current and California Undercurrent. The El Niño Southern Oscillation imparts variability in the relative contributions and depth structure of source waters, allowing stronger upwelling during La Niña to more effectively tap nutrient ‐rich, oxygen ‐poor
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Source:Geophysical Research Letters, 46(12), 6690-6698
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ISSN:0094-8276;1944-8007;
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Rights Information:CC BY-NC-ND
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Compliance:Library
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