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On the horizontal distribution of algal-bloom in Chaohu lake and its formation process
Chen YY(陈苑盈); Liu QQ(刘青泉); Liu QQ(刘青泉)
Source PublicationActa Mechanica Sinica
2014
Volume30Issue:5Pages:656–666
ISSN0567-7718
Abstract Based on the remote sensing images of algae, the present work analyzes the horizontal distribution characteristics of algal blooms in Chaohu Lake, China, which also reveals the frequency of algal blooms under different wind directions. Further, an unstructured-grid, three-dimensional finite-volume coastal ocean model (FVCOM) is applied to investigate the wind-induced currents and the transport process to explain the reason why algal blooms occur at the detected places. We first deduce the primary distribution of biomass from overlaid satellite images, and explain the formation mechanism by analyzing the pollution sources, and simulating the flow field and transportation process under prevailing wind over Chaohu Lake. And then, we consider the adjustment action of the wind on the corresponding day and develop a two-time scale approach to describe the whole formation process of algae horizontal distribution in Chaohu Lake. That is, on the longer time scale, i.e., during bloom season, prevailing wind determines the primary distribution of biomass by inducing the characteristic flow field; on the shorter time scale, i.e., on the day when bloom occurs, the wind force adjusts the primary distribution of biomass to form the final distribution of algal bloom.
KeywordChaohu Lake Algal Bloom Horizontal Distribution Wind-driven Current Two-time Scale Process
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Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000344382200005
Funding OrganizationThe project was supported by the Hundred Talents Program of Chinese Academy of Sciences and the National Natural Science Fundation of China for Distinguished Young Scholar (10825211).
DepartmentLMFS水环境流体力学(LEM)
Classification二类
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49404
Collection流固耦合系统力学重点实验室
Corresponding AuthorLiu QQ(刘青泉)
Recommended Citation
GB/T 7714
Chen YY,Liu QQ,Liu QQ. On the horizontal distribution of algal-bloom in Chaohu lake and its formation process[J]. Acta Mechanica Sinica,2014,30(5):656–666.
APA Chen YY,Liu QQ,&刘青泉.(2014).On the horizontal distribution of algal-bloom in Chaohu lake and its formation process.Acta Mechanica Sinica,30(5),656–666.
MLA Chen YY,et al."On the horizontal distribution of algal-bloom in Chaohu lake and its formation process".Acta Mechanica Sinica 30.5(2014):656–666.
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