Spatio-temporal distribution of chlorophyll-a concentration derived from MODIS satellite remote-sensing and in situ observations in Sanya Bay, China | |
Shen, CY ; Shi, P ; Zhao, H ; Zhang, YY ; Dong, JD | |
刊名 | INTERNATIONAL JOURNAL OF REMOTE SENSING
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2014 | |
卷号 | 35期号:41955页码:4127-4137 |
ISSN号 | 0143-1161 |
通讯作者 | chaohui@scsio.ac.cn |
中文摘要 | This study examined satellite chlorophyll-a (chl-a) concentration and in situ observations in Sanya Bay (SYB). In situ observation of chl-a was conducted four times per year at 12 sampling stations in SYB from January 2004 to October 2008. Monthly satellite chl-a was derived from the Moderate Resolution Imaging Spectroradiometer (MODIS) during 2000-2012. This study compared satellite chl-a values to in situ measurements in SYB. The two data sets match well in the whole region except for two estuaries. Results show that the average in situ chl-a was 1.49 mg m(-3) in SYB. Chl-a was relatively higher (>2 mg m(-3)) and more variable in coastal areas, with a tendency to decrease offshore (<0.4 mg m(-3)). The chl-a level in summer displayed obviously vertical stratification, with higher values at the bottom and lower values at the surface. Analysis of monthly mean chl-a showed that the highest level (>2 mg m(-3)) appeared in December, with the lowest in March (< 1 mg m(-3)). The gradients are ranked winter, autumn, summer and spring. There was higher chl-a in autumn and winter, which may be associated with the stronger wind monsoon then. Annual mean chl-a from 2000 to 2012 varied from 1.17 to 2.05 mg m(-3), with the minimum in 2001 and the maximum in 2005. The chl-a level presented a roughly increasing tendency from 2000 to 2012, which may be related to the increasing nutrients associated with the development of tourism and fishery. |
收录类别 | SCI |
资助信息 | National Natural Science Foundation of China [41376125, 41006070]; Educational Commission of Guangdong Province, China [2012KJCX0065]; Scientific Research Foundation for the Talents by Guangdong Ocean University |
原文出处 | TAYLOR & FRANCIS LTD |
WOS记录号 | WOS:000337623200014 |
公开日期 | 2014-12-11 |
内容类型 | 期刊论文 |
源URL | [http://ir.scsio.ac.cn/handle/344004/10582] ![]() |
专题 | 南海海洋研究所_热带海洋环境国家重点实验室(LTO) |
推荐引用方式 GB/T 7714 | Shen, CY,Shi, P,Zhao, H,et al. Spatio-temporal distribution of chlorophyll-a concentration derived from MODIS satellite remote-sensing and in situ observations in Sanya Bay, China[J]. INTERNATIONAL JOURNAL OF REMOTE SENSING,2014,35(41955):4127-4137. |
APA | Shen, CY,Shi, P,Zhao, H,Zhang, YY,&Dong, JD.(2014).Spatio-temporal distribution of chlorophyll-a concentration derived from MODIS satellite remote-sensing and in situ observations in Sanya Bay, China.INTERNATIONAL JOURNAL OF REMOTE SENSING,35(41955),4127-4137. |
MLA | Shen, CY,et al."Spatio-temporal distribution of chlorophyll-a concentration derived from MODIS satellite remote-sensing and in situ observations in Sanya Bay, China".INTERNATIONAL JOURNAL OF REMOTE SENSING 35.41955(2014):4127-4137. |
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