| Numerical study of hydrodynamic conditions and sedimentary environments of the suspended kelp aquaculture area in Heini Bay | |
Zhang, Zehua1,2,3 ; Huang, Haijun1,4; Liu, Yanxia1,3; Bi, Haibo1,2; Yan, Liwen1,2
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| 2020-01-05 | |
| Source Publication | ESTUARINE COASTAL AND SHELF SCIENCE
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| ISSN | 0272-7714 |
| Volume | 232Pages:13 |
| Corresponding Author | Zhang, Zehua(zzh@qdio.ac.cn) |
| Abstract | Kelp aquaculture is one of the most important exploitation and utilization activities in coastal areas. The impacts of high-density kelp aquaculture on coastal area environments are attracting increasing attention. Based on in situ data from the suspended kelp aquaculture area of Heini Bay, numerical simulations were applied to distinguish hydrodynamic and sediment transport features under natural and aquaculture conditions. By comparing model simulations with observations, the calibrated models reflected the hydrodynamic conditions and sedimentary environments in Heini Bay well. Although the kelp scenario model was calibrated by data measured in an early stage of aquaculture and produced a relatively conservative result, the model was able to simulate the trend of sedimentary environment changes in the aquaculture area. The results of the simulations indicated that, after the occurrence of aquaculture activities, the average velocity was reduced by approximately 21% in the waters around Chu Island and Moye Island, and by 50% within the kelp aquaculture area. Along the western edges of the aquaculture area (i.e., the nearshore area), the average velocity barely changed, but the instantaneous velocity during the flood/ebb tide may increase by up to 3 times. The annual maximum erosion rate around Chu Island, Moye Island and Heishi Reef decreased by approximately 30%, and the total range of the erosion area where the erosion intensity was not less than 0.01 m/yr decreased by almost 36%. The deposition area in Heini Bay shifted to deeper waters, and almost the entire kelp aquaculture area was in a deposition state. However, the deposition rates in the aquaculture area were reduced accordingly. |
| Keyword | Kelp aquaculture Tidal current Sediment transport Sedimentary environments Numerical simulation Heini bay |
| DOI | 10.1016/j.ecss.2019.106492 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | Open Fund of the Key Laboratory of Marine Geology and Environment, Chinese Academy of Sciences[MGE2018KG09] ; National Natural Science Foundation of China (NSFC)-Shandong Joint Fund for Marine Science Research Centers[U1606401] ; NSFC[41076031] ; NSFC[41976166] |
| WOS Research Area | Marine & Freshwater Biology ; Oceanography |
| WOS Subject | Marine & Freshwater Biology ; Oceanography |
| WOS ID | WOS:000514014000004 |
| Publisher | ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.qdio.ac.cn/handle/337002/165596 |
| Collection | 海洋地质与环境重点实验室 |
| Corresponding Author | Zhang, Zehua |
| Affiliation | 1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao, Peoples R China 3.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China 4.Univ Chinese Acad Sci, Beijing, Peoples R China |
| First Author Affilication | Institute of Oceanology, Chinese Academy of Sciences; Center for Ocean Mega-Science, Chinese Academy of Sciences |
| Corresponding Author Affilication | Institute of Oceanology, Chinese Academy of Sciences; Center for Ocean Mega-Science, Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Zhang, Zehua,Huang, Haijun,Liu, Yanxia,et al. Numerical study of hydrodynamic conditions and sedimentary environments of the suspended kelp aquaculture area in Heini Bay[J]. ESTUARINE COASTAL AND SHELF SCIENCE,2020,232:13. |
| APA | Zhang, Zehua,Huang, Haijun,Liu, Yanxia,Bi, Haibo,&Yan, Liwen.(2020).Numerical study of hydrodynamic conditions and sedimentary environments of the suspended kelp aquaculture area in Heini Bay.ESTUARINE COASTAL AND SHELF SCIENCE,232,13. |
| MLA | Zhang, Zehua,et al."Numerical study of hydrodynamic conditions and sedimentary environments of the suspended kelp aquaculture area in Heini Bay".ESTUARINE COASTAL AND SHELF SCIENCE 232(2020):13. |
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| Numerical study of h（5039KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View | |
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