基于高分1号杭州湾河口悬浮泥沙浓度遥感反演模型构建及应用

doi:10.13634/j.cnki.mes20150415

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摘要杭州湾高悬浮泥沙的实时快速遥感监测是河口沿岸水质保护的关键。本文利用杭州湾实测的高光谱及悬浮泥沙浓度数据,模拟高分1号卫星数据并分析不同波段组合的遥感反射率与悬浮物浓度之间的相关关系,开展杭州湾河口水体悬浮泥沙遥感反演模式的比较验证,得出适用于高分1号卫星的悬浮泥沙浓度的遥感反演模型,并利用该模型进行杭州湾河口跨海大桥水域悬浮泥沙浓度反演,研究发现跨海大桥对潮水稀释悬浮泥沙有一定影响,大桥两侧悬浮泥沙有明显差异。

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关键词：杭州湾光谱反射率悬浮泥沙浓度高分1号

Abstract：Research on remote sensing retrieval of suspended sediment concentration in Hangzhou Bay by GF-1 satellites is an important task,because suspended sediment concentration is one of the important parameters of remote sensing inversion.The simulation of the GF-1 satellite data band settings were performed by using the observed data of the hyperspectrum in the Hangzhou bay,and the relationship between different band combination of remote sensing reflectance and suspended sediment concentration were analyzed.The suspended sediment concentration of satellite remote sensing inversion model was constructed and verified by the GF-1 satellites simulation data.The suspended sediment concentration in cross-sea bridge of Hangzhou bay estuary waters was inversed by using the GF-1 satellites,and the finding is that the cross sea bridge has certain influence on the distribution of suspended sediment,and suspended sediment has obvious difference on both sides cross sea bridge.

Key words： Hangzhou bay spectral reflectance suspended sediment concentration GF-1

收稿日期: 2014-05-08;

PACS:

基金资助:

国家高分辨率对地观测重大专项(E05-Y30B02-9001-13/15-4);国家自然科学基金(41271417);浙江省科技创新活动计划暨新苗人才计划(2014R408003)

作者简介:程乾(1968-),男,河北易县人,教授,博士,主要从事环境遥感方面的工作,E-mail:qiancheng525@163.com

引用本文:

程乾,刘波,李婷等. 基于高分1号杭州湾河口悬浮泥沙浓度遥感反演模型构建及应用[J]. 海洋环境科学, 2015, 34(4): 558-563,577.

CHENG Qian,LIU Bo,LI Ting et al. Research on remote sensing retrieval of suspended sediment concentration in Hangzhou Bay by GF-1 satellite[J]. Marine Environmental Science, 2015, 34(4): 558-563,577.

链接本文:

http://hyhjkx.nmemc.org.cn/CN/10.13634/j.cnki.mes20150415 或 http://hyhjkx.nmemc.org.cn/CN/Y2015/V34/I4/558

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