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HY-1C COCTS and CZI observation of marine oil spills in the South China Sea

Yafeng SHEN, Jianqiang LIU, Jing Ding, Junnan Jiao, Shaojie Sun, Yingcheng Lu

2020National Remote Sensing Bulletin18 citationsDOIOpen Access PDF

Abstract

中国首颗海洋水色业务卫星(HY-1C)搭载有水色水温扫描仪(COCTS)、海岸带成像仪(CZI)、紫外成像仪(UVI)ç­‰å¤šå¥—å ‰å­¦è½½è·ï¼Œå·²äºŽ2019-06å¼€å±•ä¸šåŠ¡åŒ–è¿è¡Œã€‚æº¢æ²¹æ˜¯æµ·æ´‹çŽ¯å¢ƒç›‘æµ‹çš„é‡è¦ç›®æ ‡ä¹‹ä¸€ã€‚è¿‘å¹´æ¥ï¼Œå ‰å­¦é¥æ„Ÿå¯¹æµ·é¢æº¢æ²¹ä¸åŒæ±¡æŸ“ç±»åž‹çš„è¯†åˆ«ã€åˆ†ç±»ä¸Žä¼°ç®—åŽŸç†å¾—ä»¥é˜æ˜Žï¼Œå ¶æŠ€æœ¯ä¼˜åŠ¿èŽ·å¾—è®¤å¯ï¼Œèƒ½æœ‰æ•ˆä¿ƒè¿›æµ·é¢æº¢æ²¹çš„ç²¾ç»†åŒ–å®šé‡æŽ¢æµ‹ã€‚æœ¬ç ”ç©¶ä»¥ä¸­å›½è¿‘æµ·ï¼Œä¸»è¦ä»¥2019-02-20中国南海东沙岛附近海域一次溢油事件为例,收集了HY-1C星COCTS和CZI数据,并获取了同一天的VIIRS、MODIS Terra & Aquaé¥æ„Ÿæ•°æ®ï¼Œå¼€å±•äº†æµ·é¢æº¢æ²¹çš„è¯†åˆ«åˆ†ç±»åŠå ¶å¯¹æ¯”åˆ†æžï¼Œé‡ç‚¹è¯„ä¼°COCTS与CZIå ‰å­¦è½½è·å¯¹æµ·é¢æº¢æ²¹è¯†åˆ«çš„æ•ˆèƒ½ã€‚ç»“æžœè¡¨æ˜Žï¼šåœ¨å¼±è€€å ‰å¯¹æ¯”æ¡ä»¶ä¸‹ï¼ŒCOCTS、CZI、VIIRS均能有效识别此次东沙岛溢油,且COCTS对溢油的识别能力不弱于VIIRS数据;CZIä¸ä» èƒ½è¯†åˆ«æ­¤æ¬¡æº¢æ²¹ï¼Œè¿˜èƒ½åŒºåˆ†æ­¤æ¬¡æº¢æ²¹å½¢æˆçš„æµ·é¢æ²¹è†œä¸Žæº¢æ²¹ä¹³åŒ–ç‰©ï¼Œä»Žè€Œæä¾›æ›´å¤šçš„åˆ¤å®šä¿¡æ¯ï¼›CZIæ•°æ®ä¸­ï¼Œä¸åŒæº¢æ²¹æ±¡æŸ“ç±»åž‹çš„å ‰è°±ä¿¡å·ç¦»æ•£åº¦å¤§äºŽæ¸ æ´æµ·æ°´å¹³å‡å™ªå£°ï¼Œå±•çŽ°äº†æº¢æ²¹é‡ä¼°ç®—çš„æ½œåŠ›ã€‚HY-1Cæ˜Ÿå ‰å­¦è½½è·å±•çŽ°äº†ä¼˜è‰¯çš„è¾å°„åˆ†è¾¨çŽ‡ã€é«˜ä¿¡å™ªæ¯”ç­‰æ€§èƒ½ï¼Œéšç€HY-1D星的发射,双星组网观测还能提供更佳的时相分辨率数据,未来会在海洋溢油的实时、定量、精细化观测中提供丰富的数据支撑。

Topics & Concepts

Oil spillChinaOceanographyEnvironmental scienceGeologyRemote sensingPetroleum engineeringGeographyArchaeologyOceanographic and Atmospheric Processes
HY-1C COCTS and CZI observation of marine oil spills in the South China Sea | Litcius