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Strong enhancement ofchlorophyll aconcentration by aweak typhoon Liang SunYuanjian YangTao Xian2010 год

Strong enhancement of chlorophyll a concentration by a weak typhoon
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Аннотация: MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsTheme Sections MEPS 404:39-50 (2010) - DOI: https://doi.org/10.3354/meps08477 Strong enhancement of chlorophyll a concentration by a weak typhoon Liang Sun1,2,*, Yuan-Jian Yang3, Tao Xian1, Zhu-min Lu4, Yun-Fei Fu1 1Laboratory of Atmospheric Observation and Climatological Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, PR China 2LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, PR China 3Anhui Institute of Meteorological Sciences, Hefei 230031, PR China 4Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, PR China *Email: sunl@ustc.edu.cn ABSTRACT: Recent studies demonstrate that chlorophyll a (chl a) concentrations in ocean surface waters can be significantly enhanced due to typhoons. The present study investigated chl a concentrations in the middle of the South China Sea (SCS) from 1997 to 2007. Only the Category 1 (minimal) Typhoon Hagibis (2007) had a notable effect on chl a concentrations. Typhoon Hagibis had a strong upwelling potential due to its location near the equator, and the forcing time of the typhoon (>82 h) was much longer than the geostrophic adjustment time (~63 h). The higher upwelling velocity and the longer forcing time increased the depth of the mixed-layer, which consequently induced a strong phytoplankton bloom that accounted for about 30% of the total annual chl a concentration in the middle of the SCS. Induction of significant upper ocean responses can be expected if the forcing time of a typhoon is long enough to establish strong upwelling. KEY WORDS: SCS · Forcing time · Upwelling Full text in pdf format PreviousNextCite this article as: Sun L, Yang Y, Xian T, Lu Z, Fu Y (2010) Strong enhancement of chlorophyll a concentration by a weak typhoon. Mar Ecol Prog Ser 404:39-50. https://doi.org/10.3354/meps08477 Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in MEPS Vol. 404. Online publication date: April 08, 2010 Print ISSN: 0171-8630; Online ISSN: 1616-1599 Copyright © 2010 Inter-Research.
Год издания: 2010
Авторы: Liang Sun, Yuanjian Yang, Tao Xian, Lu Zhang, Ying Fu
Издательство: Inter-Research
Источник: Marine Ecology Progress Series
Ключевые слова: Tropical and Extratropical Cyclones Research, Climate variability and models, Meteorological Phenomena and Simulations
Другие ссылки: Marine Ecology Progress Series (HTML)
arXiv (Cornell University) (PDF)
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