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MODIS海洋遥感叶绿素a浓度数据一致性实验
  • 时间:0
  • 分类:X834[环境科学与工程—环境工程] P735[天文地球—海洋生物学;天文地球—海洋科学]
  • 作者机构:[1]北京大学城市与环境学院,北京100871, [2]北京大学地表过程分析与模拟教育部重点实验室,北京100871
  • 相关基金:基金委重大研究计划“南海深部过程的海水14C示踪研究”(项目编号:91228209).
中文摘要:

遥感是海洋叶绿素调查的有效技术.利用2013年MODIS遥感卫星数据,对西北太平洋4个站点逐天的两种遥感卫星Terra和Aqua的海洋叶绿素a浓度进行一致性实验.结果表明,两种海洋遥感叶绿素浓度数据相关系数达到0.93,具有高度一致性.数据经过融合后,有效率提高了29%.这一实验处理为多源遥感数据一致性检验提供了技术方法.

英文摘要:

The remote sensing is a powerful technology in chlorophyll detection. By using remote sens-ing image of MOD1S,to test the consistency of the chlorophyll a daily data of MOD1S,s Terra and Aqua on 2013 in four sites in the northwestern Pacific. The results showed that the correlation coefficient is 0. 93 between the two kinds of data and they are highly consistent. By merging the data from Terra and Aqua, the data usability can be improved by 29%. This study provides justification for the merging of the Terra and Aqua MOD1 S chlorophyll data, and also provides a technical method for consistency test for multiple source data of remote sensing.

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