基于Landsat系列卫星分析1985—2015年东平湖叶绿素a浓度变化趋势
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摘要
基于Landsat-5 TM数据和地面同步水质监测数据发现,近红外波段与红色波段比值与叶绿素a实测浓度存在较高相关性,并以此建立了提取水体表层叶绿素a浓度的遥感信息模型。经验证,该模型用于叶绿素a浓度反演的精度良好,平均相对误差为14.5%。将该模型应用于Landsat卫星系列数据,提取了东平湖1985—2015年每年度丰水期叶绿素a浓度信息,得到共31幅东平湖叶绿素a浓度分布图,并对其进行了时空分析。结果表明:1985—2015年,东平湖叶绿素a平均浓度范围为32.4~81.4μg/L,空间分布上一般表现为湖周边浅水区高于湖中心深水区,且空间差异变化明显;时间序列上,东平湖叶绿素a浓度表现出一定的波动性,在1987、1988、1992年出现较高值,总体看来,在95%置信水平上秩相关系数为-0.592,浓度呈下降趋势。
The ratio of near infrared and red bands have shown to be sensitive to the chlorophyll-a concentration based on the regression analysis between Landsat-5 images and synchronous in-situ water quality monitoring data. Model estimating water chlorophyll-a concentration was proposed and its average relative error was only 14. 5%. The information of chlorophyll-a concentration in Dongping Lake among thirty years( 1985-2015) was extracted by the model. The results showed that chlorophyll-a concentration in Dongping Lake fluctuated with the range of 32. 4-81. 4 μg/L and had significant spatial differences from 1985 to 2015. The highest value appeared in 1997,1988 and 1992. Generally,under the rank correlation coefficient was-0. 592 at the 95% confidence level,chlorophyll-a concentration showed a downward trend.
The ratio of near infrared and red bands have shown to be sensitive to the chlorophyll-a concentration based on the regression analysis between Landsat-5 images and synchronous in-situ water quality monitoring data. Model estimating water chlorophyll-a concentration was proposed and its average relative error was only 14. 5%. The information of chlorophyll-a concentration in Dongping Lake among thirty years( 1985-2015) was extracted by the model. The results showed that chlorophyll-a concentration in Dongping Lake fluctuated with the range of 32. 4-81. 4 μg/L and had significant spatial differences from 1985 to 2015. The highest value appeared in 1997,1988 and 1992. Generally,under the rank correlation coefficient was-0. 592 at the 95% confidence level,chlorophyll-a concentration showed a downward trend.
引文
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[14]吕恒,江南,罗潋葱.基于TM数据的太湖叶绿素A浓度定量反演[J].地理科学,2006,26(4):472-476.LYU Heng,JIANG Nan,LUO Liancong.Quantitative Retrieval of Chlorophyll-a by Remote Sensing in Taihu Lake based on TM data[J].Scientia Geographica Sinica,2006,26(4):472-476.
[15]杨一鹏,王桥,肖青,等.基于TM数据的太湖叶绿素a浓度定量遥感反演方法研究[J].地理与地理信息科学,2006,22(2):5-8.YANG Yipeng,WANG Qiao,XIAO Qing,et al.Quantitative Remote Sensing Inversion Methods of Chlorophyll-a Concentration in Taihu Lake Based on TM Data[J].Geography and Geo-information Science,2006,22(2):5-8.
[16]李云亮,张运林.基于TM影像的太湖夏季悬浮物和叶绿素a浓度反演[J].遥感信息,2008(6):22-80.LI Yunliang,ZHANG Yunlin.Quantitative Estimation of Total Suspend Matter and Chlorophyll-a Concentration of Taihu Lake in Summer Using TMData[J].Remote Sensing Information,2008(6):22-80.
[17]谢杰,王心源,张洁,等.基于TM/ETM+影响分析巢湖叶绿素a浓度变化趋势[J].中国环境科学,2010,30(5):677-682.XIE Jie,WANG Xinyuan,ZHANG Jie,et al.Analysing Developing Trend of Chlorophyll-a Concentration in Chaohu Lake Based on TM/ETM+Image[J].China Environmental Science,2010,30(5):677-682.
[18]史锐,张红,岳荣,等.基于小波理论的干旱区内陆湖泊叶绿素a的TM影像遥感反演[J].生态学报,2017,37(5):1 043-1 053.SHI Rui,ZHANG Hong,YUE Rong,et al.AWavelet Theory Based Remote Sensing Inversion of Chlorophyll-a Concentrations for Inland Lakes in Arid Areas Using TM Image Data[J].Acta Ecologica Sinica,2017,37(5):1 043-1 053.
[19]周德明,王得玉.基于TM的太湖叶绿素a和悬浮物估测模型[J].环境科学与技术,2015,38(6P):362-367.ZHOU Deming,WANG Deyu.Quantitative Estimation of Chlorophyll-a and Suspended Solids in Taihu Based on Landsat TM[J].Environmental Science&Technology,2015,38(6P):362-367.
[20]KOPONEN S,PULLIAINEN J,KALLIO K,et al.Lake Water Quality Classification with Airborne Hyperspectral Spectrometer and Simulated MERISData[J].Remote Sensing of Environment,2002,79:51-59.
[21]旷达,韩秀珍,刘翔,等.基于环境一号卫星的太湖叶绿素a浓度提取[J].中国环境科学,2010,30(9):1 268-1 273.KUANG Da,HAN Xiuzhen,LIU Xiang,et al.Quantitative Estimation of Taihu Chlorophyll-a Concentration Using HJ-1A and 1B CCD imagery[J].China Environmental Science,2010,30(9):1 268-1 273.
[22]王贵臣,刘田田.基于线性回归分析的东平湖叶绿素含量监测[J].首都师范大学学报:自然科学版,2015,36(2):72-77.WANG Guichen,LIU Tiantian.Chlorophyll-a Concentration Monitoring of Dongping Lake Based on Linear Regression Analysis[J].Journal of Capital Normal University(Natural Science Edition),2015,36(2):72-77.
[23]Organization for Economic Cooperation and Development(OECD).Eutrophication of Waters Monitoring,Assessment and Control OECD[R].Paris:OECD,1982.
[24]于少鹏,孙广友,窦素珍,等.东平湖水生植物的衰退及南水北调工程对其影响[J].中国环境科学,2005,25(2):200-204.YU Shaopeng,SUN Guangyou,DOU Suzhen,et al.The Declining of Hydrophyte of Dongping Lake and the Influence of the South-to-North Water Transfer Project on It[J].China Environmental Science,2005,25(2):200-204.
[2]段洪涛,张柏,刘殿伟,等.查干湖水体光谱荧光峰特征与叶绿素响应关系研究[J].红外与毫米波学报,2006,25(5):355-359.DUAN Hongtao,ZHANG Bai,LIU Dianwei,et al.Relationship Between Fluorescence Peak Spectral Features and Chlorophyll-a in Lake Chagan[J].Journal of Infrared and Millimeter Waves,2006,25(5):355-359.
[3]郑小慎,林培根.基于TM数据渤海湾叶绿素浓度反演算法研究[J].天津科技大学学报,2010,25(6):51-53.ZHENG Xiaoshen,LIN Peigen.Study on Algorithm of Chlorophyll Concentration Retrieval in Bohai Bay Based on TM Data[J].Journal of Tianjin University of Science&Technology,2010,25(6):51-53.
[4]李婷.基于长时序遥感数据和EOF分析南海北部海表叶绿素a时空特征[D].北京:中国地质大学,2013.
[5]周正,何连,刘良明.基于HJ-1A/B CCD数据的东湖叶绿素a浓度反演可行性研究[J].测绘通报,2011(3):11-14.ZHOU Zheng,HE Lian,LIU Liangming.Feasibility Study for Retrieval of Chlorophyll-a Concentration in Donghu Lake Using HJ-1 A/B CCD Data[J].Bulletin of Surveying and Mapping,2011,(3):11-14.
[6]陈静,吴传庆,王颖,等.基于环境一号卫星CCD数据的巢湖叶绿素a的动态监测[J].中国环境监测,2012,28(1):116-119.CHEN Jing,WU Chuanqing,WANG Ying,et al.Chlorophyll-a Dynamic Monitoring in Chaohu Lake Based on Environmental Satellite 1 CCD Data[J].Environmental Monitoring in China,2012,28(1):116-119.
[7]刘忠华.基于高分数据的太湖重点污染入湖河流叶绿素a浓度遥感反演[D].南京:南京师范大学,2012.
[8]杜聪,王世新,周艺,等.利用Hyperion高光谱数据的三波段法反演太湖叶绿素a浓度[J].环境科学,2009,30(10):2 904-2 910.DU Cong,WANG Shixin,ZHOU Yi,et al.Remote Chlorophyll-a Retrieval in Taihu Lake by Three-Band Model Using Hyperion Hyperspectral Dada[J].Environmental Science,2009,30(10):2 904-2 910.
[9]MOSES W J,GITELSON A A,BERDNIKOV S,et al.HICO-Based NIR-RED Models for Estimating Chlorophyll-a Concentration in Productive Coastal Waters[J].IEEE Geoscience and Remote Sensing Letters,2014,11(6):1 111-1 115.
[10]SHI K,LI Y M,LI L,et al.Remote Chlorophyll-a Estimates for Inland Waters Based on a Cluster-Based Classification[J].Science of the Total Environment,2013,444:1-15.
[11]LI Y M,WANG Q,WU C Q,et al.Estimation of Chlorophyll-a Concentration Using NIR/Red Bands of MERIS and Classification Procedure in Inland Turbid Water[J].IEEE Transactions on Geoscience and Remote Sensing,2012,50(3):988-997.
[12]郭宇龙,李云梅,李渊,等.一种基于GOCI数据的叶绿素a浓度三波段估算模型[J].环境科学,2015,36(9):3 175-3 185.GUO Yulong,LI Yunmei,LI Yuan,et al.A Three Band Chlorophyll-a Concentration Estimation Model Based on GOCI Imagery[J].Environmental Science,2015,36(9):3 175-3 185.
[13]佘丰宁,李旭文,蔡启铭,等.水体叶绿素含量的遥感定量模型[J].湖泊科学,1996,8(3):201-207.SHE Fengning,LI Xuwen,CAI Qiming,et al.Quantitatvie Analysis on Chlorophyll-a Concentration in Taihu Lake Using Thematic Mapper Data[J].Journal of Lake Sciences,1996,8(3):201-207.
[14]吕恒,江南,罗潋葱.基于TM数据的太湖叶绿素A浓度定量反演[J].地理科学,2006,26(4):472-476.LYU Heng,JIANG Nan,LUO Liancong.Quantitative Retrieval of Chlorophyll-a by Remote Sensing in Taihu Lake based on TM data[J].Scientia Geographica Sinica,2006,26(4):472-476.
[15]杨一鹏,王桥,肖青,等.基于TM数据的太湖叶绿素a浓度定量遥感反演方法研究[J].地理与地理信息科学,2006,22(2):5-8.YANG Yipeng,WANG Qiao,XIAO Qing,et al.Quantitative Remote Sensing Inversion Methods of Chlorophyll-a Concentration in Taihu Lake Based on TM Data[J].Geography and Geo-information Science,2006,22(2):5-8.
[16]李云亮,张运林.基于TM影像的太湖夏季悬浮物和叶绿素a浓度反演[J].遥感信息,2008(6):22-80.LI Yunliang,ZHANG Yunlin.Quantitative Estimation of Total Suspend Matter and Chlorophyll-a Concentration of Taihu Lake in Summer Using TMData[J].Remote Sensing Information,2008(6):22-80.
[17]谢杰,王心源,张洁,等.基于TM/ETM+影响分析巢湖叶绿素a浓度变化趋势[J].中国环境科学,2010,30(5):677-682.XIE Jie,WANG Xinyuan,ZHANG Jie,et al.Analysing Developing Trend of Chlorophyll-a Concentration in Chaohu Lake Based on TM/ETM+Image[J].China Environmental Science,2010,30(5):677-682.
[18]史锐,张红,岳荣,等.基于小波理论的干旱区内陆湖泊叶绿素a的TM影像遥感反演[J].生态学报,2017,37(5):1 043-1 053.SHI Rui,ZHANG Hong,YUE Rong,et al.AWavelet Theory Based Remote Sensing Inversion of Chlorophyll-a Concentrations for Inland Lakes in Arid Areas Using TM Image Data[J].Acta Ecologica Sinica,2017,37(5):1 043-1 053.
[19]周德明,王得玉.基于TM的太湖叶绿素a和悬浮物估测模型[J].环境科学与技术,2015,38(6P):362-367.ZHOU Deming,WANG Deyu.Quantitative Estimation of Chlorophyll-a and Suspended Solids in Taihu Based on Landsat TM[J].Environmental Science&Technology,2015,38(6P):362-367.
[20]KOPONEN S,PULLIAINEN J,KALLIO K,et al.Lake Water Quality Classification with Airborne Hyperspectral Spectrometer and Simulated MERISData[J].Remote Sensing of Environment,2002,79:51-59.
[21]旷达,韩秀珍,刘翔,等.基于环境一号卫星的太湖叶绿素a浓度提取[J].中国环境科学,2010,30(9):1 268-1 273.KUANG Da,HAN Xiuzhen,LIU Xiang,et al.Quantitative Estimation of Taihu Chlorophyll-a Concentration Using HJ-1A and 1B CCD imagery[J].China Environmental Science,2010,30(9):1 268-1 273.
[22]王贵臣,刘田田.基于线性回归分析的东平湖叶绿素含量监测[J].首都师范大学学报:自然科学版,2015,36(2):72-77.WANG Guichen,LIU Tiantian.Chlorophyll-a Concentration Monitoring of Dongping Lake Based on Linear Regression Analysis[J].Journal of Capital Normal University(Natural Science Edition),2015,36(2):72-77.
[23]Organization for Economic Cooperation and Development(OECD).Eutrophication of Waters Monitoring,Assessment and Control OECD[R].Paris:OECD,1982.
[24]于少鹏,孙广友,窦素珍,等.东平湖水生植物的衰退及南水北调工程对其影响[J].中国环境科学,2005,25(2):200-204.YU Shaopeng,SUN Guangyou,DOU Suzhen,et al.The Declining of Hydrophyte of Dongping Lake and the Influence of the South-to-North Water Transfer Project on It[J].China Environmental Science,2005,25(2):200-204.
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