|本期目录/Table of Contents|

[1]曹鹏,梁其椿,李淑敏.基于Otsu算法的太湖蓝藻水华与水生植被遥感同步监测方法[J].江苏农业科学,2019,47(14):288-294.
 Cao Peng,et al.A novel remote sensing simultaneous monitoring method for cyanobacteria blooms and aquatic vegetation in Taihu Lake based on Otsu algorithm[J].Jiangsu Agricultural Sciences,2019,47(14):288-294.
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基于Otsu算法的太湖蓝藻水华与水生植被
遥感同步监测方法
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第14期
页码:
288-294
栏目:
资源与环境
出版日期:
2019-08-10

文章信息/Info

Title:
A novel remote sensing simultaneous monitoring method for cyanobacteria blooms and aquatic vegetation in Taihu Lake based on Otsu algorithm
作者:
曹鹏1 梁其椿2 李淑敏2
1.北京大学遥感与地理信息系统研究所,北京 100871; 2.中国电子科技集团海洋信息技术研究院,海南陵水 572427
Author(s):
Cao Penget al
关键词:
蓝藻水华水生植被太湖OtsuMODIS
Keywords:
-
分类号:
Q178.5
DOI:
-
文献标志码:
A
摘要:
蓝藻水华与水生植被在光学遥感影像上容易混淆,传统方法将太湖划分为藻型湖区和草型湖区进行分区监测,近年来太湖梅梁湖等蓝藻水华易发区域出现了大量的水生植物,分区的方法已无法满足蓝藻水华和水生植被遥感监测要求。基于光谱特征分析,采用蓝藻水华与水生植被指数(cyanobacteria and macrophytes index,简称CMI)判别蓝藻水华与水生植被水域,采用浮游藻类指数(floating algae index,简称FAI)识别蓝藻水华、浮叶/挺水植被与沉水植被,构建同步监测决策树,基于Otsu算法自动获取阈值,将中分辨率成像光增仪(MODIS)卫星影像分成湖水、蓝藻水华、沉水植被和浮叶/挺水植被几种类型。结果表明,分类结果较好,符合太湖不同地物类型实际分布情况;与相关研究HJ卫星影像东部湖区水生植被监测结果进行交叉检验,水生植被的空间分布基本一致,一致性检验结果显示,2种分类结果一致的像元比例为70.11%。实现蓝藻水华及水生植物的同步遥感监测,有助于精确评估蓝藻水华的实际强度和水生植被区范围,为富营养化湖泊的水环境管理和决策提供重要的科技支撑。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2018-04-23
基金项目:国家自然科学基金(编号:41625003);中电科海洋信息技术研究院创新基金(编号:xyxt)。
作者简介:曹鹏(1992—),男,江苏南通人,硕士研究生,主要从事遥感技术应用、地理空间信息研究。E-mail:caopeng@pku.edu.cn。
通信作者:梁其椿,硕士,工程师,主要从事环境遥感研究。E-mail:liangqc@cetcocean.com。
更新日期/Last Update: 2019-07-20