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Changes in North Pacific Sea Surface...

Werb, Benjamin Eric.

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Changes in North Pacific Sea Surface Temperature and Source Water in the California Current Ecosystem.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Changes in North Pacific Sea Surface Temperature and Source Water in the California Current Ecosystem./
Author:	Werb, Benjamin Eric.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
Description:	77 p.
Notes:	Source: Masters Abstracts International, Volume: 85-01.
Contained By:	Masters Abstracts International85-01.
Subject:	Physical oceanography. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30524114
ISBN:	9798379918293

Changes in North Pacific Sea Surface Temperature and Source Water in the California Current Ecosystem.
Werb, Benjamin Eric.

Changes in North Pacific Sea Surface Temperature and Source Water in the California Current Ecosystem. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 77 p.

Source: Masters Abstracts International, Volume: 85-01.

Thesis (M.S.)--University of California, San Diego, 2023.

This item must not be sold to any third party vendors.

From 2014 to 2019, there was a period of persistent, record-breaking marine heatwaves in the North Pacific that had significant impacts on the California Current Ecosystem (CCE). This thesis first revisited the calculation of the empirical orthogonal functions (EOFs) and principal components (PCs) of sea surface temperature (SST) in this region. We found that since 2014, there were fundamental changes to the dominant EOFs and PCs. A conclusion was that the Pacific Decadal Oscillation (PDO), a measure of variability in the North Pacific, and other EOF-based metrics may not be as useful as climate continues to change. Next, the thesis provided a first look at the anomaly of dissolved oxygen concentration from the annual cycle as measured by the California Underwater Glider Network. We gained new insights on the water masses in the CCE and found that a major contributing factor of oxygen anomalies were changes in source water concentration. Finally, the thesis examined the environmental factors influencing ichthyoplankton abundance in the CCE and suggested new indices to reflect the abundances of several prominent northern and southern mesopelagic species.

ISBN: 9798379918293Subjects--Topical Terms:

3168433
Physical oceanography.
Subjects--Index Terms:

California Current Ecosystem

Changes in North Pacific Sea Surface Temperature and Source Water in the California Current Ecosystem.
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245 1 0 $a Changes in North Pacific Sea Surface Temperature and Source Water in the California Current Ecosystem.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2023
300 $a 77 p.
500 $a Source: Masters Abstracts International, Volume: 85-01.
500 $a Advisor: Rudnick, Daniel.
502 $a Thesis (M.S.)--University of California, San Diego, 2023.
506 $a This item must not be sold to any third party vendors.
520 $a From 2014 to 2019, there was a period of persistent, record-breaking marine heatwaves in the North Pacific that had significant impacts on the California Current Ecosystem (CCE). This thesis first revisited the calculation of the empirical orthogonal functions (EOFs) and principal components (PCs) of sea surface temperature (SST) in this region. We found that since 2014, there were fundamental changes to the dominant EOFs and PCs. A conclusion was that the Pacific Decadal Oscillation (PDO), a measure of variability in the North Pacific, and other EOF-based metrics may not be as useful as climate continues to change. Next, the thesis provided a first look at the anomaly of dissolved oxygen concentration from the annual cycle as measured by the California Underwater Glider Network. We gained new insights on the water masses in the CCE and found that a major contributing factor of oxygen anomalies were changes in source water concentration. Finally, the thesis examined the environmental factors influencing ichthyoplankton abundance in the CCE and suggested new indices to reflect the abundances of several prominent northern and southern mesopelagic species.
590 $a School code: 0033.
650 4 $a Physical oceanography. $3 3168433
650 4 $a Biological oceanography. $3 2122748
650 4 $a Aquatic sciences. $3 3174300
653 $a California Current Ecosystem
653 $a Climate
653 $a Fisheries
653 $a Marine heatwaves
653 $a PDO
653 $a Water mass
690 $a 0415
690 $a 0416
690 $a 0792
710 2 $a University of California, San Diego. $b Scripps Institution of Oceanography. $3 3543449
773 0 $t Masters Abstracts International $g 85-01.
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791 $a M.S.
792 $a 2023
793 $a English
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30524114