章琼,郭云开,钱佳,蒋明,丁美青

• 1:长沙理工大学交通运输工程学院
• 2:长沙理工大学测绘遥感应用技术研究所

摘要(Abstract)：

针对遥感影像上土壤重金属光谱敏感性不显著、土壤重金属含量定量反演拟合模型精度低的缺陷,该文采用像元二分模型线性解混提取土壤反射光谱,运用倒数对数变换后的土壤反射光谱为光谱参量建立土壤重金属Cr含量的三次多项式估算模型,反演耕地土壤中Cr的含量。结果表明,经过像元二分模型处理后的土壤反射率与重金属Cr的敏感性从不显著提升为显著相关,反演模型拟合优度显著提高。可见,基于像元二分模型得到土壤反射光谱,提升了其与重金属(Cr)之间的敏感性,提高了土壤重金属含量估测模型精度。

关键词(KeyWords)： 像元二分模型;土壤反射率;重金属Cr;精度分析;反演模型

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金面上项目(41671498);; 湖南省教育厅资助科研项目(17B004)

作者(Author): 章琼,郭云开,钱佳,蒋明,丁美青

DOI: 10.16251/j.cnki.1009-2307.2020.04.010

参考文献(References)：

• [1] 郭云开,谢琼,安冠星,等.土壤重金属污染灰色综合评价模型[J].测绘科学,2017,42(5):175-182.(GUO Yunkai,XIE Qiong,AN Guanxing,et al.Gray comprehensive evaluation model of heavy metal pollution in the soil[J].Science of Surveying and Mapping,2017,42 (5):175-182.)
• [2] 解宪丽,孙波,郝红涛.土壤可见光—近红外反射光谱与重金属含量之间的相关性[J].土壤学报,2007,44(6):982-993.(XIE Xianli,SUN Bo,HAO Hongtao.Relationship between visible-near infrared reflectance spectroscopy and heavy metal of soil concentration[J].Acta Pedologica Sinica,2007,44 (6):982-993.)
• [3] 郭云开,刘宁,刘磊,等.土壤Cu含量高光谱反演的BP神经网络模型[J].测绘科学,2018,43(1):135-139,152.(GUO Yunkai,LIU Ning,LIU Lei,et al.Hyper-spectral inversion of soil Cu content based on BP neural network model[J].Science of Surveying and Mapping,2018,43(1):135-139,152.)
• [4] 肖捷颖,王燕,张倩,等.土壤重金属含量的高光谱遥感反演方法综述[J].湖北农业科学,2013,52(6):1248-1253.(XIAO Jieying,WANG Yan,ZHANG Qian,et al.Review on methods of monitoring soil heavy metal based on hyperspectral remote sensing data[J].Hubei Agricultural Sciences,2013,52(6):1248-1253.)
• [5] MALLEY D F,WILLIANMS P C.Use of near-infrared reflectance prediction of heavy metals in freshwater sediment by their association with organic matter and organic matter association[J].Environmental Science and Technology,1997,31(12):3461-3467.
• [6] MOROS J,DE VALLEJUELO S F,GREDILLA A,et al.Use of reflectance infrared spectroscopy for monitoring the metal content of the estuarine sediments of the Nerbioi-Ibaizabal River(Metropolitan Bilbao,Bay of Biscay,Basque Country)[J].Environmental Science and Technology,2009,43(24):9314-9320.
• [7] 吴昀昭,田庆久,季峻峰,等.土壤光学遥感的理论、方法及应用[J].遥感信息,2003(1):40-47.(WU Yunzhao,TIAN Qingjiu,JI Junfeng,et al.Soil remote sensing research theory method and application[J].Remote Sensing Information,2003(1):40-47.)
• [8] KEMPER T,SOMMER S.Estimate of heavy metal contamination in soil after a mining accident using reflectance spectroscopy[J].Environmental Science and Technology,2002,36(12):2742-2747.
• [9] KOOISTRA L,WANDERS J,EPEMA G F,et al.The potential of field spectroscopy for the assessment of sediment properties in river floodplains[J].Analytica Chimica Acta,2003,484(2):189-200.
• [10] CHOE E,MEER F V D,RUITEENBEEK F V,et al.Mapping of heavy metal pollution in steam sediments using combined geochemistry,field spectroscopy,and hyperspectral remote sensing:a case study of the Rodalquilar Mining Area[J].Remote Sensing of Environment,2008,112(7):3222.
• [11] 徐明星,吴绍华,周生路,等.重金属含量的高光谱建模反演:考古土壤中的应用[J].红外与毫米波学报,2011,30(2):109-114.(XU Mingxing,WU Shaohua,ZHOU Shenglu,et al.Hyperspectral reflectance models for retrieving heavy metal content:application in the archaeological soil[J].Journal of Infrared and Millimeter Waves,2011,30(2):109-114.)
• [12] 王维,沈润平,吉曹翔.基于高光谱的土壤重金属铜的反演研究[J].遥感技术与应用,2011,26(3):348-354.(WANG Wei,SHEN Runping,JI Caoxiang.Study on heavy metal Cu based on hyperspectral remote sensing[J].Remote Sensing Technology and Application,2011,26(3):348-354.)
• [13] 姚艳敏,魏娜,唐鹏钦,等.黑土土壤水分高光谱特征及反演模型.农业工程学报,2011,27(8):95-100.(YAO Yanmin,WEI Na,TANG Pengqin,et al.Hyper-spectral characteristics and modeling of black soil moisture content[J].Journal of Agricultural Engineering,2011,27(8):95-100.)
• [14] 郭云开,周烽松,丁美青,等.水稻冠层与土壤高光谱反演土壤重金属对比研究[J].遥感信息,2017,32(2):173-179.(GUO Yunkai,ZHOU Fengsong,DING Meiqing,et al.Comparison of soil heavy metal retrieval between cultivated soil and rice canopy hyperspectral features[J].Remote Sensing Information,2017,32(2):173-179.)
• [15] 牛宝茹,刘俊蓉,王政伟.干旱半干旱地区植被覆盖度遥感信息提取研究[J].武汉大学学报(信息科学版),2005,30(1):27-30.(NIU Baoru,LIU Junrong,WANG Zhengwei.Remote sensing information extraction based on vegetation fraction in drought and half-drought area[J].Geomatics and Information Science of Wuhan University,2005,30(1):27-30.)
• [16] 李萍,赵庚星,高明秀,等.黄河三角洲土壤含水量状况的高光谱估测与遥感反演[J].土壤学报,2015,52(6):1262-1272.(LI Ping,ZHAO Gengxing,GAO Mingxiu,et al.Hyperspectral estimation and remote sensing retrieval of soil water regime in the Yellow River Delta[J].Acta Pedologica Sinica,2015,52(6):1262-1272.)
• [17] 刘伟,赵众,袁洪福,等.光谱多元分析校正集和验证集样本分布优选方法研究[J].光谱学与光谱分析,2014,34(4):947-951.(LIU Wei,ZHAO Zhong,YUAN Hongfu,et al.An optimal selection method of samples of calibration set and validation set for spectral multivariate analysis[J].Spectroscopy and Spectral Analysis,2014,34(4):947-951.)