Article(id=1314923042279613062, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314922986466009203, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1751731200000, receivedDateStr=2025-07-06, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791431683368, onlineDateStr=2026-10-08, pubDate=1773936000000, pubDateStr=2026-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791431683368, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791431683368, creator=13701087609, updateTime=1791431683368, updator=13701087609, issue=Issue{id=1314922986466009203, tenantId=1146029695717560320, journalId=1234093305789726721, year='2026', volume='46', issue='3', pageStart='1185', pageEnd='1776', issueExtLink='null', onlineDate='null', pubDate='1773936000000', pubDateStr='2026-03-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791431670061, creator='13701087609', updateTime=1791431955369, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314924183251935526, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314922986466009203, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314924183251935527, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314922986466009203, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1509, endPage=1521, ext={EN=ArticleExt(id=1314923042757763719, articleId=1314923042279613062, tenantId=1146029695717560320, journalId=1234093305789726721, language=EN, title=Time-series monitoring and prediction of cyanobacteria blooms based on FY3D/MERSI data, columnId=1234106388083954308, journalTitle=China Environmental Science, columnName=Environmental Ecology, runingTitle=null, highlight=null, articleAbstract=

Conventional remote sensing platforms like Landsat and Sentinel face inherent limitations in achieving continuous dynamic monitoring of cyanobacterial blooms due to their inadequate temporal resolution. Similarly, existing FY satellite-based monitoring and prediction approaches are constrained by unidimensional analyses and oversimplified models dependent on single-variable inputs. To overcome these challenges, this study developed a comprehensive multidimensional monitoring and prediction system utilizing high-temporal-resolution FY3D/MERSI data for Taihu Lake cyanobacterial blooms. Our methodology integrated spectral indices with an optimized Otsu algorithm for accurate bloom detection, coupled with innovative dual-scale (pixel and sub-pixel) quantification techniques. Through this framework, we conducted systematic multidimensional analysis of Taihu Lake's cyanobacterial blooms (2019~2023), examining critical parameters including bloom intensity, frequency patterns, and outbreak severity dynamics. Concurrently, integrating meteorological and water quality factors, we constructed a BP neural network model to predict bloom areas. Validation analyses demonstrated the strong performance of FY3D/MERSI data in cyanobacterial bloom extraction, showing excellent agreement with in-situ measurements (R2 = 0.98, RMSE = 21.6km2). Cyanobacterial bloom areas in Lake Tai exhibited seasonal double-peak patterns, with peaks occurring in May and October. Bloom severity predominantly ranged from mild to moderate, while severe blooms remained at low levels throughout the year. Outbreak frequency was significantly higher in the western, southern coastal, and central lake areas than in the eastern region, and higher frequencies occurred during summer and autumn. Inter annual outbreak intensity showed a gradual decreasing trend, with the proportion of "no cyanobacterial blooms" rising to 89% in 2023. Correlation analysis indicated that factors such as temperature and relative humidity promote bloom outbreaks, while turbidity and fluorescent dissolved organic matter exerted inhibitory effects. The BP neural network model demonstrated robust predictive capability, achieving a root mean square error (RMSE) of 27.07km2 and a Pearson correlation coefficient (r) of 0.94 on the validation set. Notably, 83% of predictions fell within ±25km2 of observed values. These metrics collectively confirm the model's effectiveness in capturing the dynamic spatiotemporal trends of cyanobacterial bloom areas.

, authors=Ruo-lin ZHANG1, Meng WANG2, *, Qing-yan MENG3, 4, Yun-xiao SUN5, Xi-tun YUAN1, Lin-lin ZHANG3, Han-tian WU6, Zhen-hui SUN5, Jia-long WANG5, authorsList=Ruo-lin ZHANG, Meng WANG, Qing-yan MENG, Yun-xiao SUN, Xi-tun YUAN, Lin-lin ZHANG, Han-tian WU, Zhen-hui SUN, Jia-long WANG, authorCompany=null, correspAuthors=Meng WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314923043181388424, articleId=1314923042279613062, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=基于FY3D/MERSI数据的蓝藻水华时序监测与预测研究, columnId=1234106388268503686, journalTitle=中国环境科学, columnName=环境生态, runingTitle=null, highlight=null, articleAbstract=

针对Landsat、Sentinel等遥感平台因时间分辨率较低,难以实现蓝藻水华的连续动态监测;而基于FY卫星数据的蓝藻监测与预测普遍存在监测维度单一、预测模型依赖单一类型变量等问题,基于FY3D/MERSI高时间分辨率遥感数据,构建太湖蓝藻水华多维度时序监测与预测体系;结合遥感指数与大津算法提取蓝藻水华信息,通过像元级与亚像元级双尺度计算量化面积,并从强度、频率、暴发程度等维度系统分析2019~2023年太湖蓝藻水华时空特征.同时整合气象与水质因子,构建BP神经网络模型预测水华面积.结果表明,利用FY3D/MERSI数据提取水华具有较高精度,与实测数据的决定系数R2达0.98,均方根误差为21.6km2.太湖蓝藻水华面积呈季节性双峰特征,峰值出现在5月和10月;水华等级以轻度和中度为主,重度水华全年维持低水平;西部、南部沿岸及湖心区暴发频率显著高于东部,夏秋季节暴发频率较高;年际暴发程度呈逐步减弱趋势,2023年“无蓝藻水华”占比升至89%.相关性分析显示,温度、相对湿度等因子促进水华暴发,浊度、荧光可溶性有机物等起抑制作用.BP神经网络模型验证集均方根误差为27.07km2,皮尔逊相关系数0.94,83%的样本预测误差控制在±25km2内,多项指标表明该模型能够有效捕捉蓝藻水华面积动态变化趋势.

, authors=张若琳1, 王萌2, *, 孟庆岩3, 4, 孙云晓5, 原喜屯1, 张琳琳3, 吴晗天6, 孙震辉5, 王佳龙5, authorsList=张若琳, 王萌, 孟庆岩, 孙云晓, 原喜屯, 张琳琳, 吴晗天, 孙震辉, 王佳龙, authorCompany=null, correspAuthors=王萌, authorNote=

张若琳(1999-),女,陕西铜川人,西安科技大学硕士研究生,从事卫星遥感水体藻类监测评估应用研究..

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* 责任作者,副研究员,
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张若琳(1999-),女,陕西铜川人,西安科技大学硕士研究生,从事卫星遥感水体藻类监测评估应用研究..

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张若琳(1999-),女,陕西铜川人,西安科技大学硕士研究生,从事卫星遥感水体藻类监测评估应用研究..

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基于FY3D/MERSI数据的蓝藻水华时序监测与预测研究
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张若琳 1 , 王萌 2, * , 孟庆岩 3, 4 , 孙云晓 5 , 原喜屯 1 , 张琳琳 3 , 吴晗天 6 , 孙震辉 5 , 王佳龙 5
中国环境科学 | 环境生态 2026,46(3): 1509-1521
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中国环境科学 |环境生态 2026 , 46 (3) : 1509 -1521
基于FY3D/MERSI数据的蓝藻水华时序监测与预测研究
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张若琳(1999-),女,陕西铜川人,西安科技大学硕士研究生,从事卫星遥感水体藻类监测评估应用研究..

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张若琳(1999-),女,陕西铜川人,西安科技大学硕士研究生,从事卫星遥感水体藻类监测评估应用研究..

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张若琳1 , 王萌2, * , 孟庆岩3, 4, 孙云晓5, 原喜屯1, 张琳琳3, 吴晗天6, 孙震辉5, 王佳龙5
作者信息
  • 1.西安科技大学测绘科学与技术学院,陕西 西安 710054
  • 2.国家卫星气象中心,北京 100081
  • 3.中国科学院空天信息创新研究院,北京 100094
  • 4.中国科学院大学,北京 100049
  • 5.天津城建大学地质与测绘学院,天津 300380
  • 6.中国地质环境监测院,北京 100081
通讯作者:
* 责任作者,副研究员,
作者简介:

张若琳(1999-),女,陕西铜川人,西安科技大学硕士研究生,从事卫星遥感水体藻类监测评估应用研究..

Time-series monitoring and prediction of cyanobacteria blooms based on FY3D/MERSI data
Ruo-lin ZHANG1 , Meng WANG2, * , Qing-yan MENG3, 4, Yun-xiao SUN5, Xi-tun YUAN1, Lin-lin ZHANG3, Han-tian WU6, Zhen-hui SUN5, Jia-long WANG5
Affiliations
  • 1.College of Geomatics, Xi'an University of Science and Technology, Xi'an 710054, China
  • 2.National Satellite Meteorological Center, Beijing 100081, China
  • 3.Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
  • 4.University of Chinese Academy of Sciences, Beijing 100049, China
  • 5.School of Geology and Geomatics, Tianjin Chengjian University, Tianjin 300380, China
  • 6.China Institute for Geo-Environmental Monitoring, Beijing 100081, China
出版时间: 2026-03-20
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针对Landsat、Sentinel等遥感平台因时间分辨率较低,难以实现蓝藻水华的连续动态监测;而基于FY卫星数据的蓝藻监测与预测普遍存在监测维度单一、预测模型依赖单一类型变量等问题,基于FY3D/MERSI高时间分辨率遥感数据,构建太湖蓝藻水华多维度时序监测与预测体系;结合遥感指数与大津算法提取蓝藻水华信息,通过像元级与亚像元级双尺度计算量化面积,并从强度、频率、暴发程度等维度系统分析2019~2023年太湖蓝藻水华时空特征.同时整合气象与水质因子,构建BP神经网络模型预测水华面积.结果表明,利用FY3D/MERSI数据提取水华具有较高精度,与实测数据的决定系数R2达0.98,均方根误差为21.6km2.太湖蓝藻水华面积呈季节性双峰特征,峰值出现在5月和10月;水华等级以轻度和中度为主,重度水华全年维持低水平;西部、南部沿岸及湖心区暴发频率显著高于东部,夏秋季节暴发频率较高;年际暴发程度呈逐步减弱趋势,2023年“无蓝藻水华”占比升至89%.相关性分析显示,温度、相对湿度等因子促进水华暴发,浊度、荧光可溶性有机物等起抑制作用.BP神经网络模型验证集均方根误差为27.07km2,皮尔逊相关系数0.94,83%的样本预测误差控制在±25km2内,多项指标表明该模型能够有效捕捉蓝藻水华面积动态变化趋势.

FY3D/MERSI  /  蓝藻水华  /  时序监测  /  预测模型  /  BP神经网络

Conventional remote sensing platforms like Landsat and Sentinel face inherent limitations in achieving continuous dynamic monitoring of cyanobacterial blooms due to their inadequate temporal resolution. Similarly, existing FY satellite-based monitoring and prediction approaches are constrained by unidimensional analyses and oversimplified models dependent on single-variable inputs. To overcome these challenges, this study developed a comprehensive multidimensional monitoring and prediction system utilizing high-temporal-resolution FY3D/MERSI data for Taihu Lake cyanobacterial blooms. Our methodology integrated spectral indices with an optimized Otsu algorithm for accurate bloom detection, coupled with innovative dual-scale (pixel and sub-pixel) quantification techniques. Through this framework, we conducted systematic multidimensional analysis of Taihu Lake's cyanobacterial blooms (2019~2023), examining critical parameters including bloom intensity, frequency patterns, and outbreak severity dynamics. Concurrently, integrating meteorological and water quality factors, we constructed a BP neural network model to predict bloom areas. Validation analyses demonstrated the strong performance of FY3D/MERSI data in cyanobacterial bloom extraction, showing excellent agreement with in-situ measurements (R2 = 0.98, RMSE = 21.6km2). Cyanobacterial bloom areas in Lake Tai exhibited seasonal double-peak patterns, with peaks occurring in May and October. Bloom severity predominantly ranged from mild to moderate, while severe blooms remained at low levels throughout the year. Outbreak frequency was significantly higher in the western, southern coastal, and central lake areas than in the eastern region, and higher frequencies occurred during summer and autumn. Inter annual outbreak intensity showed a gradual decreasing trend, with the proportion of "no cyanobacterial blooms" rising to 89% in 2023. Correlation analysis indicated that factors such as temperature and relative humidity promote bloom outbreaks, while turbidity and fluorescent dissolved organic matter exerted inhibitory effects. The BP neural network model demonstrated robust predictive capability, achieving a root mean square error (RMSE) of 27.07km2 and a Pearson correlation coefficient (r) of 0.94 on the validation set. Notably, 83% of predictions fell within ±25km2 of observed values. These metrics collectively confirm the model's effectiveness in capturing the dynamic spatiotemporal trends of cyanobacterial bloom areas.

FY3D/MERSI  /  cyanobacteria blooms  /  time series monitoring  /  prediction model  /  BP neural network
张若琳, 王萌, 孟庆岩, 孙云晓, 原喜屯, 张琳琳, 吴晗天, 孙震辉, 王佳龙. 基于FY3D/MERSI数据的蓝藻水华时序监测与预测研究. 中国环境科学, 2026 , 46 (3) : 1509 -1521 .
Ruo-lin ZHANG, Meng WANG, Qing-yan MENG, Yun-xiao SUN, Xi-tun YUAN, Lin-lin ZHANG, Han-tian WU, Zhen-hui SUN, Jia-long WANG. Time-series monitoring and prediction of cyanobacteria blooms based on FY3D/MERSI data[J]. China Environmental Science, 2026 , 46 (3) : 1509 -1521 .
  • 风云三号03批气象卫星工程地面应用系统生态监测评估应用项目(第一期)(ZQC-R22227)
  • 中科院青年创新促进会项目(2023139)
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  • 接收时间:2025-07-06
  • 首发时间:2026-10-08
  • 出版时间:2026-03-20
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  • 收稿日期:2025-07-06
基金
风云三号03批气象卫星工程地面应用系统生态监测评估应用项目(第一期)(ZQC-R22227)
中科院青年创新促进会项目(2023139)
作者信息
    1.西安科技大学测绘科学与技术学院,陕西 西安 710054
    2.国家卫星气象中心,北京 100081
    3.中国科学院空天信息创新研究院,北京 100094
    4.中国科学院大学,北京 100049
    5.天津城建大学地质与测绘学院,天津 300380
    6.中国地质环境监测院,北京 100081

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* 责任作者,副研究员,
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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