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Long time-series remote sensing monitoring of mangrove forests in the Guangdong-Hong Kong-Macao Greater Bay Area

Kai Jia, CHEN Shuisen, Weiguo JIANG

2022National Remote Sensing Bulletin13 citationsDOIOpen Access PDF

Abstract

随着遥感数据量的爆发式增长,对变化过程分析的精细化要求与本地算力不足之间的矛盾日益突出。GEE(Google Earth Engineï¼‰åœ°ç†äº‘å¹³å°çš„å‡ºçŽ°ï¼Œè§£å†³äº†ç”¨æˆ·ç®—åŠ›ç´§å¼ çš„è¡Œä¸šç—›ç‚¹ã€‚æœ¬æ–‡ä»¥ç²¤æ¸¯æ¾³å¤§æ¹¾åŒºä¸ºç ”ç©¶åŒºï¼Œåœ¨GEE的支持下,构建1987年—2020å¹´å¹´åº¦æ¹¿åœ°åˆ†ç±»æ•°æ®é›†ï¼Œåˆ†æžå¤§æ¹¾åŒºçº¢æ ‘æž—çš„æ—¶é—´é˜¶æ®µæ€§ç‰¹å¾å’Œç©ºé—´æ‰©å¼ è¿‡ç¨‹ï¼Œç»“åˆè¿žç»­é•¿åŽ†æ—¶åˆ†æžå¯¹å˜åŒ–æ—¶é—´ç‚¹çš„å‡†ç¡®è¯†åˆ«ï¼Œæ­ç¤ºäº†ä¿æŠ¤åŒºè®¾ç«‹ä¸Žæ»©æ¶‚é€ æž—ç­‰å·¥ç¨‹åœ¨çº¢æ ‘æž—ä¿æŠ¤ä¸Žä¿®å¤ä¸­çš„ç§¯æžæˆæ•ˆã€‚ä¸»è¦ç»“è®ºæœ‰ï¼šï¼ˆ1)截止到2020å¹´ï¼Œå¤§æ¹¾åŒºå ±æœ‰çº¢æ ‘æž—2174 ha,81%çš„çº¢æ ‘æž—é›†ä¸­åœ¨æ·±åœ³æ¹¾ã€æ·‡æ¾³å²›å’Œé•‡æµ·æ¹¾ï¼›ï¼ˆ2ï¼‰å¤§æ¹¾åŒºçš„çº¢æ ‘æž—ç»åŽ†äº†ç”±å¹³ç¨³å‘å±•ï¼ˆ1987年—2003年)到快速增长(2003年—2020å¹´ï¼‰çš„å˜åŒ–è¿‡ç¨‹ï¼Œå ¶ä¸»è¦å¢žé‡æ¥æºäºŽé•‡æµ·æ¹¾ï¼ˆ40%)和淇澳岛(28%);(3ï¼‰æ·‡æ¾³å²›å’Œé•‡æµ·æ¹¾çš„çº¢æ ‘æž—ä»å¤„äºŽå¿«é€Ÿå¢žé•¿æœŸï¼Œä½†æ·‡æ¾³å²›å¢žé€Ÿæœ€å¿«ï¼Œä»Ž2002年至今面积翻了30倍,深圳湾则在早期的快速增长(1987年—2009å¹´ï¼‰åŽè¿›å ¥å¹³ç¨³æœŸï¼ˆ2009年—2020年);(4ï¼‰ç”±äºŽä¿æŠ¤åŒºè®¾ç«‹æ—¶é—´è¾ƒæ—©ï¼Œæ·±åœ³æ¹¾æˆä¸ºå¤§æ¹¾åŒºå”¯ä¸€ä¸€ä¸ªå½¢æˆç¨³å®šæ ¸å¿ƒåŒºçš„çº¢æ ‘æž—åˆ†å¸ƒåŒºï¼Œé•‡æµ·æ¹¾è™½ç„¶æ‹¥æœ‰æœ€å¤§çš„çº¢æ ‘æž—é¢ç§¯ï¼Œä½†æž—é“ç‹­çª„ï¼Œæ™¯è§‚ç ´ç¢Žï¼Œç”Ÿæ€ç³»ç»Ÿåè€Œæ›´åŠ è„†å¼±ï¼›ï¼ˆ5ï¼‰è®¾ç«‹è‡ªç„¶ä¿æŠ¤åŒºå’Œæ»©æ¶‚é€ æž—éƒ½å¯¹çº¢æ ‘æž—é¢ç§¯å¢žé•¿èµ·åˆ°äº†ç§¯æžä½œç”¨ã€‚æœ¬ç ”ç©¶ä¸ºå¤§æ¹¾åŒºæµ·å²¸å¸¦æ¹¿åœ°ç”Ÿæ€ç³»ç»Ÿä¿æŠ¤ä¸Žä¿®å¤æä¾›ç§‘å­¦çš„è¯æ®æ”¯æŒï¼Œå¯¹æ²¿æµ·ç”Ÿæ€å±éšœå»ºè®¾å ·æœ‰ä¸€å®šçš„æŒ‡å¯¼ä½œç”¨ã€‚

Topics & Concepts

GeeBayMangroveGeographySeries (stratigraphy)Time seriesRemote sensingEnvironmental sciencePhysical geographyGeologyFisheryArchaeologyGeneralized estimating equationMathematicsStatisticsPaleontologyBiologyCoastal wetland ecosystem dynamicsAgricultural and Environmental ManagementPlant and Fungal Species Descriptions
Long time-series remote sensing monitoring of mangrove forests in the Guangdong-Hong Kong-Macao Greater Bay Area | Litcius