摘要
为进一步加强对赤潮等海洋生态灾害的动态监测,科学支撑海洋防灾减灾工作,文章基于海洋一号D卫星搭载的海岸带成像仪数据,选取北部湾、茂名近岸和陵水湾为研究区域,分析2021年2月发生的4例赤潮事件的遥感影像、叶绿素a浓度和赤潮指数特征。研究结果表明:遥感影像可清晰呈现赤潮分布状况,叶绿素a浓度和赤潮指数的异常值范围与遥感影像一致,赤潮水体的叶绿素a浓度和赤潮指数整体高于非赤潮水体。
In order to strengthen the dynamic monitoring of marine ecological disasters such as red tides and scientifically support marine disaster prevention and mitigation, this paper selected Beibu Gulf, Maoming Coast and Lingshui Bay as the study areas, analyzed the remote sensing images, chlorophyll a concentration and red tide index characteristics for 4 cases of red tide events that occurred in February 2021, based on the coastal zone imager data onboard the Chinese Haiyang-1 D(HY-1 D) satellite. The results showed that the remote sensing images could clearly show the distribution of red tides, the abnormal value ranges of chlorophyll a concentration and red tide index were consistent with the remote sensing images, and the chlorophyll a concentration and red tide index of red tide waters were higher than those of non-red tide waters.
作者
滕越
邹斌
叶小敏
TENG Yue;ZOU Bin;YE Xiaomin(National Marine Environmental Forecasting Center,Beijing 100081,China;National Satellite Ocean Application Service,Beijing 100081,China;Key Laboratory of Space Ocean Remote Sensing and Application,MNR,Beijing 100081,China)
出处
《海洋开发与管理》
2022年第8期60-66,共7页
Ocean Development and Management
基金
民用航天技术预先研究项目(D040107)。
关键词
赤潮
海岸带成像仪
遥感影像
叶绿素
赤潮指数
Red tide
Coastal zone imager
Remote sensing image
Chlorophyll
Red tide index
