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  • 软件名称:基于HJ-1卫星CCD数据的厦门海域叶绿素a浓度反演
  • 软件大小: 0.00 B
  • 软件评级: ★★★
  • 开 发 商: 郑高强,陈芸芝,汪小钦,陈曦
  • 软件来源: 《遥感技术与应用》
  • 解压密码:www.gissky.net

资源简介

摘要: 针对HJ-1A/B卫星CCD数据,建立适合于厦门海域的叶绿素a浓度反演模型,将为持续监测该海域的赤潮提供时间序列的叶绿素a浓度数据。基于2013年7月31日厦门海域水体实测光谱与叶绿素a浓度同步测量数据,及HJ\|1B卫星CCD2光谱响应函数,对各波段遥感反射率与叶绿素a浓度的相关性进行比较,证实蓝、绿波段比值与叶绿素a浓度相关性最高。对OC3模型在内的5种模型的反演结果和实测叶绿素a浓度做相关性分析,发现各模型相关系数均达到0.7以上。利用2013年7月30日实测数据对同期厦门海域HJ-1B卫星CCD2数据叶绿素a浓度反演结果进行精度验证,结果表明本地化的10指数模型在反演叶绿素a浓度动态范围较大的区域具有更高的精度。 关键词: HJ-1B卫星CCD;  遥感监测;  叶绿素a浓度;  厦门海域     Abstract: For HJ-1 A/B satellite CCD data,The suitable inversion model of Xiamen sea area for chlorophyll a concentration is established based on HJ\|1 A/B satellite CCD data,which provides series time\|data of chlorophyll a concentration for monitoring the red tide in this area continuously.based on the measured spectrum data,the synchronous measured data of Xiamen sea waters and the spectral response function of HJ\|1B satellite CCD2,the correlation between each band’s reflectance and chlorophyll a concentration is compared confirming that the ratio of blue and green band is the highest correlation with chlorophyll concentration.The correlation analysis between the inversion results of five algorithm including OC3 and the measured chlorophyll a concentration is made,the resule shows that each model ‘s correlation coefficient is above 0.7.The chlorophyll a concentration inversion results of HJ-1B satellite CCD2 data on July 30,2013 were validated using the measured data of Xiamen sea during the same period,showing that the localized exponential

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