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Indonesian Throughflow Transport Variability Estimated From Satellite Altimetry

机译:卫星测高估计的印尼流量运输变异性

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摘要

The relatively intense boundary currents of the western equatorial Pacific, as well as the western Pacific warm pool, have long been recognized as key components in the global climate system. More recently, the eastern Indian Ocean has been identified as a potential source for climate variability over a larger area (Saji and Yamagata, 2003). These systems are not isolated, however, and Pacific to-Indian Ocean exchange occurs via the Indonesian throughflow (ITF) (see Gordon, this issue). Understanding this exchange, and the ability to estimate it, are therefore essential for understanding the global climate system. Directly measuring this flow has been challenging. This paper outlines a method to estimate the large-scale oceanic transport in the ITF by using satellite-measured sea level from the TOPEX/Poseidon (T/P) altimeter. The satellite measurements do not directly measure transport, but they comprise a long, almost global, measure- ment of sea level that may be used to index ITF flow.
机译:长期以来,人们一直认为赤道西太平洋以及西太平洋暖池的相对强烈的边界流是全球气候系统的关键组成部分。最近,印度洋东部被认为是大面积气候变化的潜在来源(Saji和Yamagata,2003年)。但是,这些系统并不是孤立的,太平洋到印度洋的交换是通过印尼流量(ITF)进行的(请参阅Gordon,本期)。因此,了解这种交换及其估计能力对于理解全球气候系统至关重要。直接测量该流量是一项挑战。本文概述了一种使用TOPEX / Poseidon(T / P)高度计通过卫星测量的海平面来估算ITF中大规模海洋运输的方法。卫星测量值不能直接测量运输量,但它包括很长的,几乎是全球性的海平面测量值,可用于为ITF流量编制索引。

著录项

  • 来源
    《Oceanography》 |2005年第4期|p.98-107|共10页
  • 作者

    James T. Potemra;

  • 作者单位

    School of Ocean and Earth Science and Technology, International Pacific Research Center, University of Hawaii, Honolulu, HI, USA;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 海洋学;
  • 关键词

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