县域夜光遥感指数与生态环境状况指数相关性研究——以贵州省为例
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摘要
基于2015年NPP-VIIRS的年合成夜光遥感影像,经过预处理后,获取到500 m空间分辨率的贵州省夜光分布图,构建夜光强度(I_j)与夜光面积(S_j)两个夜光指数后统计分析得到贵州省88个地区的夜光状况信息。同时从生物丰度、植被覆盖、水网密度、土地胁迫、污染负荷五个方面通过EI指数对县域生态环境状况进行综合评价。最后分析探讨EI与I_j、S_j在县级尺度上的相关性,并构建回归模型。结果表明,贵州夜光分布主要集中在黔中、黔西地区,东西差异明显。生态环境状况结果则相反,黔东南地区生态环境状况最优,黔中、黔西地区则相对较差;分析证明了EI与S_j存在较高的负相关关系,且线性回归模型精度较高,结果验证显示70%的县域EI估算误差均不超过5%。表明了夜光面积指数可用于县级生态环境状况的快速评估,丰富了夜光遥感的应用领域。
The night light remote sensing image of Guizhou Province with 500 m resolution was obtained based on the NPP-VIIRS synthetic night light remote sensing image of 2015.The luminous area index(I_j) and the luminous intensity index(S_j) were used to analyze the night light status of the 88 districts of Guizhou.At the same time,from the aspects of biological abundance,vegetation cover,water network density,soil stress and pollution load,the ecological environment status index(EI) was used to comprehensively evaluate the ecological environment status of Guizhou Province.Finally,the correlation between EI and I_j/S_jat county level was analyzed.The results showed that,night light mainly distributed in the central and west part of Guizhou,with obvious difference between west and east of Guizhou;on the other hand,the ecological environment status in the southeast part of Guizhou was the best,and in the central and west part the status was worse.The results confirmed that there was strong negative correlation between EI and S_j,and the linear regression model had high precision(EI error was within 5% in over 70% of the counties).In conclusion,the luminous area index can be used for county-level ecological environment quality assessment.
The night light remote sensing image of Guizhou Province with 500 m resolution was obtained based on the NPP-VIIRS synthetic night light remote sensing image of 2015.The luminous area index(I_j) and the luminous intensity index(S_j) were used to analyze the night light status of the 88 districts of Guizhou.At the same time,from the aspects of biological abundance,vegetation cover,water network density,soil stress and pollution load,the ecological environment status index(EI) was used to comprehensively evaluate the ecological environment status of Guizhou Province.Finally,the correlation between EI and I_j/S_jat county level was analyzed.The results showed that,night light mainly distributed in the central and west part of Guizhou,with obvious difference between west and east of Guizhou;on the other hand,the ecological environment status in the southeast part of Guizhou was the best,and in the central and west part the status was worse.The results confirmed that there was strong negative correlation between EI and S_j,and the linear regression model had high precision(EI error was within 5% in over 70% of the counties).In conclusion,the luminous area index can be used for county-level ecological environment quality assessment.
引文
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[22]曹丽琴,李平湘,张良培.基于DMSP/OLS夜间灯光数据的城市人口估算---以湖北省各县市为例[J].遥感信息,2009(1):83-87.CAO L Q,LI P X,ZHANG L P.Urban population estimation based on the DMSP/OLS night-time satellite data-a case of Hubei Province[J].Remote Sensing Information,2009(1):83-87.
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[24]HE C Y,LIU Z F,TIAN J,et al.Urban expansion dynamics and natural habitat loss in China:a multiscale landscape perspective[J].Global Change Biology,2014,20(9):2886-2902.
[25]江威,何国金,刘慧婵.NPP/VIIRS和DMSP/OLS夜光数据模拟社会经济参量对比[J].遥感信息,2016,31(4):28-34.JIANG W,HEG J,LIU H C.Modelling regional socio-economic parameters based on comparison of NPP/VIIRS and DMSP/OLSnighttime light imagery[J].Remote Sensing Information,2016,31(4):28-34.
[2]岳昂,张赞.基于EI值的生态状况变化分析研究[J].绿色科技,2018(14):182.
[3]肖泱,吕洪德.潍坊市生态环境状况动态变化研究[J].环境科学与管理,2017,42(4):156-159.XIAO Y,LH D.Study on ecosystem status dynamic changes in Weifang[J].Environmental Science and Management,2017,42(4):156-159.
[4]徐巍.2011~2015年张掖市生态环境状况评价[J].绿色科技,2017(14):150-152.
[5]李毅,易敏,胡文敏,等.基于RS与GIS的长沙市生态环境状况评价[J].林业经济,2017,39(9):100-103.LI Y,YI M,HU W M,et al.The ecological environment status evaluation of Changsha City based on RS and GIS technique[J].Forestry Economics,2017,39(9):100-103.
[6]李德仁,李熙.论夜光遥感数据挖掘[J].测绘学报,2015,44(6):591-601.LI D R,LI X.An overview on data mining of nighttime light remote sensing[J].Acta Geodaeticaet Cartographica Sinica,2015,44(6):591-601.
[7]张锋.夜光遥感数据应用研究综述[J].建设科技,2017(14):50-52.
[8]何洋,程辉,唐亮.基于DMSP/OLS数据的我国省级经济发展水平研究[J].地理空间信息,2014,12(2):79-82.
[9]李景刚,何春阳,史培军,等.基于DMSP/OLS灯光数据的快速城市化过程的生态效应评价研究---以环渤海城市群地区为例[J].遥感学报,2007,11(1):115-126.LI J G,HE C Y,SHI P J,et al.The use of multisource satellite and geospatial data to study the ecological effects of urbanization:a case of the urban agglomerations in Bohai Rim[J].Journal of Remote Sensing,2007,11(1):115-126.
[10]李峰,米晓楠,王粉鸽,等.基于DMSP-OLS和Landsat8数据的省域GDP空间化方法---以北京市为例[J].重庆师范大学学报(自然科学版),2016,33(1):138-142.LI F,MI X N,WANG F G,et al.Provincial GDP spatialization technique based on DMSP-OLS and Landsat images of Beijing[J].Journal of Chongqing Normal University(Natural Science),2016,33(1):138-142.
[11]李德仁,余涵若,李熙.基于夜光遥感影像的“一带一路”沿线国家城市发展时空格局分析[J].武汉大学学报(信息科学版),2017,42(6):711-720.LI D R,YU H R,LI X.The spatial-temporal pattern analysis of city development in countries along the Belt and Road Initiative based on nighttime light data[J].Geomatics and Information Science of Wuhan University,2017,42(6):711-720.
[12]范俊甫,马廷,周成虎,等.1992-2010年基于DMSP-OLS图像的环渤海城市群空间格局变化分析[J].地球信息科学学报,2013,15(2):280-288.FAN J F,MA Y,ZHOU C H,et al.Changes in spatial patterns of urban landscape in Bohai Rim from 1992 to 2010 using DMSP-OLS data[J].Journal of Geo-information Science,2013,15(2):280-288.
[13]王春杨,吴国誉,张超.基于DMSP/OLS夜间灯光数据的成渝城市群空间结构研究[J].城市发展研究,2015,22(11):20-24.WANG C Y,WU G Y,ZHANG C.Research on spatial structure of the Chengdu-Chongqing urban agglomeration based on the DMSP/OLS nighttime light data[J].Urban Studies,2015,22(11):20-24.
[14]柴宝惠,李培军,张瑞洁,等.基于Landsat数据和DMSP/OLS夜间灯光数据的城市扩展提取:以天津市为例[J].北京大学学报(自然科学版),2016,52(3):475-485.CHAI B H,LI P J,ZHANG R J,et al.Urban expansion extraction using Landsat series data and DMSP/OLS nighttime light data:a case study of Tianjin area[J].Acta Scientiarum Naturalium Universitatis Pekinensis,2016,52(3):475-485.
[15]吴健生,牛妍,彭建,等.基于DMSP/OLS夜间灯光数据的1995-2009年中国地级市能源消费动态[J].地理研究,2014,33(4):625-634.WU J S,NIU Y,PENG J,et al.Research on energy consumption dynamic among prefecture-level cities in China based on DMSP/OLS nighttime light[J].Geographical Research,2014,33(4):625-634.
[16]苏泳娴,陈修治,叶玉瑶,等.基于夜间灯光数据的中国能源消费碳排放特征及机理[J].地理学报,2013,68(11):1513-1526.SU Y X,CHEN X Z,YE Y Y,et al.The characteristics and mechanisms of carbon emissions from energy consumption in China using DMSP/OLS night light imageries[J].Acta Geographica Sinica,2013,68(11):1513-1526.
[17]潘竟虎,李俊峰.基于夜间灯光影像的中国电力消耗量估算及时空动态[J].地理研究,2016,35(4):627-638.PAN J H,LI J F.Estimate and spatio-temporal dynamics of electricity consumption in China based on DMSP/OLS images[J].Geographical Research,2016,35(4):627-638.
[18]李通,何春阳,杨洋,等.1995-2008年中国大陆电力消费量时空动态[J].地理学报,2011,66(10):1403-1412.LI T,HE C Y,YANG Y,et al.Understanding electricity consumption changes in Chinese Mainland from 1995 to 2008 by using DMSP/OLS stable nighttime light time series data[J].Acta Geographica Sinica,2011,66(10):1403-1412.
[19]李鹏,洪浩霖.基于DMSP-OLS灯光数据的广东省城市人口估算[J].华南师范大学学报(自然科学版),2015,47(2):102-107.LI P,HONG H L.Estimation of urban population in Guangdong Province based on DMSP-OLS lighting data[J].Journal of South China Normal University(Natural Science Edition),2015,47(2):102-107.
[20]黄杰,闫庆武,刘永伟.基于DMSP/OLS与土地利用的江苏省人口数据空间化研究[J].长江流域资源与环境,2015,24(5):735-741.HUANG J,YAN Q W,LIU Y W.Modeling the population density of Jiangsu Province based on DMSP/OLS satellite imagery and land use data[J].Resources and Environment in the Yangtze Basin,2015,24(5):735-741.
[21]王钊,杨山,刘帅宾.基于DMSP/OLS数据的江苏省城镇人口空间分异研究[J].长江流域资源与环境,2015,24(12):2021-2029.WANG Z,YANG S,LIU S B.Urban population spatial heterogeneity analysis of Jiangsu Province based on DMSP/OLS nightlight data[J].Resources and Environment in the Yangtze Basin,2015,24(12):2021-2029.
[22]曹丽琴,李平湘,张良培.基于DMSP/OLS夜间灯光数据的城市人口估算---以湖北省各县市为例[J].遥感信息,2009(1):83-87.CAO L Q,LI P X,ZHANG L P.Urban population estimation based on the DMSP/OLS night-time satellite data-a case of Hubei Province[J].Remote Sensing Information,2009(1):83-87.
[23]李德仁,李熙.夜光遥感技术在人道主义灾难评估中的应用[J].自然杂志,2018,40(3):169-176.LI D R,LI X.Use of night-time light remote sensing in humanitarian disaster evaluation[J].Chinese Journal of Nature,2018,40(3):169-176.
[24]HE C Y,LIU Z F,TIAN J,et al.Urban expansion dynamics and natural habitat loss in China:a multiscale landscape perspective[J].Global Change Biology,2014,20(9):2886-2902.
[25]江威,何国金,刘慧婵.NPP/VIIRS和DMSP/OLS夜光数据模拟社会经济参量对比[J].遥感信息,2016,31(4):28-34.JIANG W,HEG J,LIU H C.Modelling regional socio-economic parameters based on comparison of NPP/VIIRS and DMSP/OLSnighttime light imagery[J].Remote Sensing Information,2016,31(4):28-34.
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