The Impact of Astronomical Forcing on Surface and Thermocline Variability Within the Western Pacific Warm Pool Over the Past 160 kyr

M. Hollstein; M. Mohtadi; M. Kienast; Y. Rosenthal; J. Groeneveld; D. W. Oppo; J. R. Southon; A. Lückge

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The Impact of Astronomical Forcing on Surface and Thermocline Variability Within the Western Pacific Warm Pool Over the Past 160 kyr

机译：在过去的160 kyr中，天文强迫在西太平洋温水池地表和热控变异性的影响

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The Western Pacific Warm Pool (WPWP) constitutes an important component within the global climate system by providing an enormous amount of heat and moisture to the global atmosphere. Nevertheless, past variability of oceanography and climate across the WPWP is still debated. Here, we compile newly generated and published surface and thermocline temperature and seawater stable oxygen isotope (δ~(18)O_(SW)) records from the WPWP north and south of the equator to monitor its variability, particularly in response to astronomical forcing, over the last glacial-interglacial cycle. We find a coherent first-order variability in all records from the northern and southern WPWP sites over the past 160 kyr indicating a relatively stable WPWP spatial structure. The second-order variability is modulated by regionally varying influences. Precipitation varied uniformly across the WPWP marine realm. Thermocline records illustrate the influence of both northern and southern Pacific waters on the WPWP. Differences between the thermocline temperature records are attributed to the differing effect of obliquity on the thermocline water masses influencing the individual sites. Precession exerts an influence on the thermocline at both northern and southern WPWP sites. Variations in thermocline conditions in the precession band are attributed to a combination of modifications in the thermocline source waters, changes in the regional atmospheric circulation and the El Ni?o-Southern Oscillation regime.

机译：西太平洋暖池为全球大气提供了大量的热量和水分，是全球气候系统的重要组成部分。然而，整个WPWP过去的海洋学和气候变化仍然存在争议。在这里，我们从赤道以北和以南的WPWP收集新生成和公布的地表温度和温跃层温度以及海水稳定氧同位素（δ~（18）O_ww））记录，以监测其在最后一次冰期间冰期循环中的变化，尤其是对天文强迫的响应。我们发现，在过去160 kyr期间，北部和南部WPWP站点的所有记录中都存在一致的一阶变异，表明WPWP的空间结构相对稳定。二阶变异性受区域变化影响的调节。整个WPWP海洋区域的降水量变化均匀。温跃层记录说明了北太平洋和南太平洋水域对WPWP的影响。温跃层温度记录之间的差异归因于倾角对影响各个位置的温跃层水团的不同影响。进动对WPWP北部和南部的温跃层都有影响。进动带温跃层条件的变化归因于温跃层源水的变化、区域大气环流的变化和厄尔尼诺现象？o-南方涛动区。

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来源
《Paleoceanography》 |2020年第6期|共19页
作者
M. Hollstein; M. Mohtadi; M. Kienast; Y. Rosenthal; J. Groeneveld; D. W. Oppo; J. R. Southon; A. Lückge;
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作者单位

MARUM - Center for Marine Environmental Sciences University of Bremen Bremen Germany;

MARUM - Center for Marine Environmental Sciences University of Bremen Bremen Germany;

Department of Oceanography Dalhousie University Halifax Nova Scotia Canada;

Department of Marine and Coastal Sciences Rutgers University New Brunswick NJ USA;

MARUM - Center for Marine Environmental Sciences University of Bremen Bremen Germany;

Department of Geology and Geophysics Woods Hole Oceanographic Institution Woods Hole MA USA;

Department of Earth System Science University of California Irvine CA USA;

Bundesanstalt für Geowissenschaften und Rohstoffe Hannover Germany;

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正文语种 eng
中图分类海洋学;
关键词
Astronomical Forcing; Thermocline Variability Within; Western Pacific Warm Pool Over;

机译：天文强迫;热量下划线变异;西太平洋温池结束;

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2. Seasonal variability in the thermohaline structure of the Western Pacific Warm Pool [J] . QIN Sisi, ZHANG Qilong, YIN Baoshu 海洋学报（英文版） . 2015,第007期
3. Interdecadal Variability in Large and Small Warm Pools in Western Pacific and Their Association with Rainfall Anomalies [J] . ZHOU Lian-Tong 大气和海洋科学快报（英文版） . 2014,第001期
4. Possible Origins of the Western Pacific Warm Pool Decadal Variability [J] . GAN Bolan, WU Lixin 大气科学进展（英文版） . 2012,第001期
5. Variations in Western Pacific Warm Pool surface and thermocline conditions over the past 110,000 years: Forcing mechanisms and implications for the glacial Walker circulation [J] . Hollstein Martina, Mohtadi Mahyar, Rosenthal Yair, Quaternary Science Reviews: The International Multidisciplinary Review Journal . 2018,第期

机译：在过去的110,000年里，西太平洋温池表面和热控条件的变化：迫使机制和对冰川步行者流通的影响和影响
6. Mindanao Dome variability over the last 160 kyr: Episodic glacial cooling of the West Pacific Warm Pool [J] . Bolliet T., Holbourn A., Kuhnt W., Paleoceanography . 2011,第1期

机译：在过去的160年里棉兰老岛穹顶变化：西太平洋暖池的间歇性冰川冷却
7. Variability of sea surface temperature and warm pool area in the South China Sea and its relationship to the western Pacific warm pool [J] . Chun-Yi Lin, Chung-Ru Ho, Quanan Zheng, Journal of oceanography . 2011,第6期

机译：南海海表温度和暖池面积的变化及其与西太平洋暖池的关系
8. INTERDECADAL VARIABILITY OF THE WESTERN PACIFIC WARM POOL [C] . Hongna Wang, Jinnian Chen, Qinyan Liu IEEE International Geoscience and Remote Sensing Symposium . 2012

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9. MULTISCALE VARIABILITY ASSOCIATED WITH THE INTRASEASONAL OSCILLATION OVER THE WESTERN PACIFIC WARM POOL (PACIFIC OCEAN, TOGA COARE, WIND BURSTS). [D] . LIN, XIN. 1997

机译：西太平洋暖池（太平洋，TOGA COARE和风浪）的季节内振荡引起的多尺度变化。
10. Decadal Western Pacific Warm Pool Variability: A Centroid and Heat Content Study [O] . Autumn Kidwell, Lu Han, Young-Heon Jo, -1

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机译：在过去的110,000年中西太平洋温水池表面和热控条件的变化：迫使机制和对冰川助行器流通的影响
12. Optically thin cirrus clouds over oceans and possible impact on sea surface temperature of warm pool in western Pacific [R] . Prabhakara, C., Yoo, J.-M., Dalu, G., 1991

机译：西太平洋温暖的海洋上空的光学薄卷云和可能对海水表面温度的影响

The Impact of Astronomical Forcing on Surface and Thermocline Variability Within the Western Pacific Warm Pool Over the Past 160 kyr

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