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首页> 外文期刊>Geophysical Research Letters >Changes of temperature and bio-optical properties in the South China Sea in response to Typhoon Lingling, 2001
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Changes of temperature and bio-optical properties in the South China Sea in response to Typhoon Lingling, 2001

机译：2001年台风玲玲对南海温度和生物光学性质的影响

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摘要

A large patch of enhanced chlorophyll a concentration (Chla), lower sea surface temperature (SST), and lower sea surface height (SSH) was revealed in the central South China Sea (SCS) in November 2001 after the passage of typhoon Lingling. Maximum SST reduction of 11 degrees C occurred one day after Lingling's passage on 11/11. Subsequently, against a background level of 0.08 mg/m(3), average Chla within the area of 12.60-16.49 degrees N, 112.17-117.05 degrees E increased to 0.14 mg/m(3) on 11/12 and then to 0.37 mg/m(3) on 11/14. Dissolved organic matter and detritus were differentiated from Chla using a recent bio-optical algorithm. They contributed 64% to the increase of total absorption immediately after Lingling, while most of the changes later (74%) were due to phytoplankton. The area under Lingling's impact covered ca. 3 degrees latitude and 4 degrees longitude, which is much greater than the two summer cases previously observed in the northern SCS. This event lasted for ca. 15 days, and resulted in carbon fixation in the order of 0.4 Mt. Such a drastic response was attributed to the coupling of typhoon-induced nutrient pumping with the pre-established cyclonic gyre in the central SCS driven by the prevailing northeast monsoon.
机译：2001年11月台风玲玲通过后，在南海中部（SCS）发现了一大片增强的叶绿素a浓度（Chla），较低的海面温度（SST）和较低的海面高度（SSH）。 Lingling在11/11逝世后的一天，最大SST降低了11摄氏度。随后，在0.08 mg / m（3）的背景水平下，北纬12.60-16.49度，东经112.17-117.05度范围内的平均Chla在11/12时增加到0.14 mg / m（3），然后增加到0.37 mg / m（3）在11/14。使用最新的生物光学算法将溶解的有机物和碎屑与Chla进行区分。零陵后，它们对总吸收的增加贡献了64％，而后来的大部分变化（74％）归因于浮游植物。零陵的影响范围覆盖约。纬度为3度，经度为4度，这比以前在南海北部发现的两个夏季案例要大得多。此事件持续了大约15天，并导致固碳量为0.4Mt。如此剧烈的反应归因于台风诱发的养分抽运与由盛行的东北季风驱动的南海中部已建立的旋风回旋的耦合。

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