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首页> 外文期刊>Journal of Geophysical Research, C. Oceans: JGR >Understanding Sea Level Change in the South Pacific During the Late 20th Century and Early 21st Century
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Understanding Sea Level Change in the South Pacific During the Late 20th Century and Early 21st Century

机译：在20世纪末和21世纪初，了解南太平洋的海平面变化

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摘要

A spatially nonuniform sea level rise was observed in the South Pacific with high trends of up to 8 mm/year in the southwest subtropical Pacific and much lower values in the eastern ocean during the 1993 to 2015 altimetry data period. Negative trends were observed further south. In recent decades, these trends have been interpreted as a spin-up of subtropical gyre circulation. Here an analysis of altimetry data and data from the Coupled Model Intercomparison Project Phase 5 is presented, which attempts to separate natural climate variability from sea level changes. In order to quantify the impact of natural variability, a multiple linear regression was performed between sea level and dominant climate indices in the region, with the latter representing interannual to interdecadal climate variability. Our results indicate that the observed pattern cannot completely be explained by the climate modes but that a large residual trend remains.
机译：在南太平洋观察到空间不均匀的海平面上升，西南亚热带太平洋高达8毫米/年的高达8毫米/年，在1993年至2015年的高度数据期间，东部海洋价值远远低得多。 南方观察到负面趋势。 近几十年来，这些趋势被解释为亚热带孢子循环的旋转。 这里提出了对来自耦合型号的互通项目5的高度测定数据和数据的分析，这试图将自然气候变化与海平面变化分开。 为了量化自然变异性的影响，地区海平面和主要气候指数之间进行了多元线性回归，后者代表跨年气候变异性。 我们的结果表明，观察到的模式不能完全由气候模式解释，但仍然存在大的剩余趋势。

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