| 基于GEE的东海渔场长时间序列环境分析 |
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| 引用本文： | 张胜茂,常卫东,王斐,杨胜龙. 基于GEE的东海渔场长时间序列环境分析[J]. 电脑与信息技术, 2021, 29(1): 17-20. DOI: 10.3969/j.issn.1005-1228.2021.01.006 |
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| 作者姓名： | 张胜茂 常卫东 王斐 杨胜龙 |
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| 作者单位： | 中国水产科学研究院东海水产研究所,农业农村部东海渔业资源开发利用重点实验室,上海 200090;上海开创远洋渔业有限公司,上海 200082;中国水产科学研究院东海水产研究所,农业农村部东海渔业资源开发利用重点实验室,上海 200090;中国水产科学研究院东海水产研究所,农业农村部东海渔业资源开发利用重点实验室,上海 200090 |
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| 基金项目： | 国家自然科学基金面上项目;国家自然科学基金重点项目 |
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| 摘 要： | 地球环境变化分析研究中,大尺度长时间序列遥感是研究的数据基础.Google Earth Engine(GEE)借助谷歌公司高性能的并行计算与高效率的数据管理技术,为科研人员提供在线可视化计算和分析处理的云平台.文章利用GEE提取MODIS-Terra的L3SMI的海表温度和叶绿素数据,根据东海渔场范围计算20年的年平均...
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| 关 键 词： | 东海渔场 GEE平台 海表温度 叶绿素 |
Analysis of Long Time series Environment of Fishing Ground in East China Sea Based on GEE |
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| ZHANG Sheng-mao,CHANG Wei-dong,WANG Fei,YANG Sheng-long. Analysis of Long Time series Environment of Fishing Ground in East China Sea Based on GEE[J]. Computer and Information Technology, 2021, 29(1): 17-20. DOI: 10.3969/j.issn.1005-1228.2021.01.006 |
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| Authors: | ZHANG Sheng-mao CHANG Wei-dong WANG Fei YANG Sheng-long |
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| Affiliation: | (Key Laboratory of East China Sea Fishery Resources Exploitation&Utilization,Ministry of Agriculture and Rural Affairs,East China Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Shanghai 200090 China;Shanghai KaiChuang Deep Sea Fisheries Co.,Ltd,Shanghai 200082,China) |
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| Abstract: | In the analysis of the change of the earth's environment,large-scale long-time series remote sensing is the data base of the study.Google Earth engine(GEE)relies on Google's high-performance parallel computing and efficient data management technology.It provides a cloud platform for researchers to conduct online visual computing and analysis.In this paper,the sea surface temperature and chlorophyll data of l3smi of MODIS Terra were extracted by GEE.According to the range of fishing ground in the East China Sea,the annual average temperature and chlorophyll of 20 years were calculated.The analysis shows that the annual mean sea surface temperature of the fishing grounds in the East China Sea is gradually increasing from north to south.The annual average temperature of offshore fishing ground is 20-26℃.The annual average temperature of the open sea fishing ground is 22-28℃.The annual average temperature of the open sea is higher than that of the offshore.The annual average chlorophyll concentration in the fishing grounds of the East China Sea gradually decreased from north to south.The annual average chlorophyll concentration in the offshore fishing ground is 0.8-4 mg/m3.The average annual concentration of chlorophyll in open sea fishing ground is 0.1-1.2 mg/m3.Open sea fisheries are lower than offshore fisheries. |
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| Keywords: | Fishing ground in East China sea Google Earth Engine sea surface temperature chlorophyll |
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