基于静止气象卫星的动态沙尘检测方法
|
摘要
针对沙尘检测的有效参数,气象卫星观测的11μm与12μm通道亮温变化信息随时空变化具有显著差异,容易产生较大误判这一问题,利用新一代静止气象卫星Himawari-8,通过建立晴空11μm亮温及其与12μm亮温差背景场,结合沙尘大气条件下11μm与12μm通道的亮温变化特征,提出了基于动态阈值的静止气象卫星沙尘遥感检测方法,并有效应用于2016年3月1—20日中国西北地区沙尘天气信息的提取。实验结果表明,该方法不仅可显著提升沙尘检测的精度,还可以应用于夜间沙尘信息的提取,为中国沙尘天气研究提供了一种可靠的手段。
The difference of brightness temperature between 11μm and 12μm channel,observed by meteorological satellite,provides an effective parameter for the dust detection.However,the difference changes with the spatial and temporal variation,which easily results in mistakes in dust detection.To overcome this difficulty,it proposes a dust detection method based on dynamic threshold of geostationary meteorological satellite.The clear-sky background field of 11μm brightness temperature and its difference with 12μm were established by making use of Himawari-8 the new generation of geostationary meteorological satellite.While combining with the bright temperature variation characteristics of 11 μm and 12 μm channel under the conditions of dust atmosphere,the detection was performed.The method was applied in the dust information extraction in the northwest of China from March 1 to 20,2016.The experimental results show that this method can not only improve the accuracy of dust detection,but also be applied to extract the dust information at night.Consequently,this method provides a reliable means for the study of the dust weather in China.
The difference of brightness temperature between 11μm and 12μm channel,observed by meteorological satellite,provides an effective parameter for the dust detection.However,the difference changes with the spatial and temporal variation,which easily results in mistakes in dust detection.To overcome this difficulty,it proposes a dust detection method based on dynamic threshold of geostationary meteorological satellite.The clear-sky background field of 11μm brightness temperature and its difference with 12μm were established by making use of Himawari-8 the new generation of geostationary meteorological satellite.While combining with the bright temperature variation characteristics of 11 μm and 12 μm channel under the conditions of dust atmosphere,the detection was performed.The method was applied in the dust information extraction in the northwest of China from March 1 to 20,2016.The experimental results show that this method can not only improve the accuracy of dust detection,but also be applied to extract the dust information at night.Consequently,this method provides a reliable means for the study of the dust weather in China.
引文
[1]ZHANG X Y,ARIMOTO R,AN Z S.Dust emission from Chinese desert sources linked to variations in atmospheric circulation[J].Journal of Geophysical Research Atmospheres,2014,102(23):28041-28047.
[2]UNO I,AMANO H,EMORI S,et al.Trans-pacific yellow sand transport observed in April 1998:a numerical simulation[J].Dyna,2008,75(154):159-166.
[3]NATSAGDORJ L,JUGDER D,CHUNG Y S.Analysis of dust storms observed in Mongolia during 1937-1999[J].Atmospheric Environment,2003,37(9/10):1401-1411.
[4]罗敬宁,范一大,史培军,等.多源遥感数据沙尘暴强度监测的信息可比方法[J].自然灾害学报,2003,12(2):28-34.
[5]潘耀忠,范一大,史培军,等.近50年来中国沙尘暴空间分异格局及季相分布:初步研究[J].自然灾害学报,2003,12(1):1-8.
[6]史培军,张宏,王平,等.我国沙区防沙治沙的区域模式[J].自然灾害学报,2000,9(3):1-7.
[7]LEE E H,SOHN B J.Recent increasing trend in dust frequency over Mongolia and Inner Mongolia regions and its association with climate and surface condition change[J].Atmospheric Environment,2011,45(27):4611-4616.
[8]韩涛,李耀辉,郭铌.基于EOS/MODIS资料的沙尘遥感监测模型研究[J].高原气象,2005,24(5):757-764.
[9]李栋梁,钟海玲,魏丽,等.中国北方年沙尘暴日数的气候特征及对春季高原地面感热的响应[J].高原气象,2003,22(4):337-345.
[10]TORRES O,BHARTIA P K,HERMAN J R,et al.Derivation of aerosol properties from satellite measurements of backscattered ultraviolet radiation:theoretical basis[J].Journal of Geophysical Research Atmospheres,1998,103(D14):17099-17110.
[11]HOLZERPOPP T,SCHROEDTERHOMSCHEIDT M,BREITKREUZ H,et al.Synergetic aerosol retrieval from SCIAMACHY and AATSR onboard ENVISAT[J].Atmospheric Chemistry&Physics,2008,8(1):2903-2951.
[12]KLSER L,SCHEPANSKI K.Remote sensing of mineral dust over land with MSG infrared channels:a new bitemporal mineral dust index[J].Remote Sensing of Environment,2009,113(9):1853-1867.
[13]LEGRAND M,PLANA-FATTORI A,N’DOUMC.Satellite detection of dust using the IR imagery of Meteosat:1.infrared difference dust index[J].Journal of Geophysical Research Atmospheres,2001,106(D16):18251-18274.
[14]SOKOLIK I N.The spectral radiative signature of wind-blown mineral dust:implications for remote sensing in the thermal IR region[J].Geophysical Research Letters,2002,29(24):7-1-7-4.
[15]PEYRIDIEU S,CHDIN A,TANRD,et al.Saharan dust infrared optical depth and altitude retrieved from AIRS:a focus over North Atlantic-comparison to MODIS and CALIPSO[J].Atmospheric Chemistry&Physics,2009,9(4):1953-1967.
[16]ZHANG P,LU N M,HU X Q,et al.Identification and physical retrieval of dust storm using three MODIS thermal IR channels[J].Global&Planetary Change,2006,52(1):197-206.
[17]YAO Z,LI J,HAN H J,et al.Asian dust height and infrared optical depth retrievals from hyperspectrallongwave infrared radiances[J].Journal of Geophysical Research Atmospheres,2012,117(D19).
[18]GOOD E J,KONG X,EMBURY O,et al.An infrared desert dust index for the along-track scanning radiometers[J].Remote Sensing of Environment,2012,116(2):159-176.
[19]LEGRAND M,PLANA-FATTORI A,N’DOUMC.Satellite detection of dust using the IR imagery of meteosat:1.infrared difference dust index[J].Journal of Geophysical Research Atmospheres,2001,106(D16):18251-18274.
[20]胡秀清,卢乃锰,张鹏.利用静止气象卫星红外通道遥感监测中国沙尘暴[J].应用气象学报,2007,18(3):266-275.
[21]张鹏,张兴赢,胡秀清,等.2006年一次沙尘活动的卫星定量遥感和分析研究[J].气候与环境研究,2007,12(3):302-308.
[22]LIU Y,LIU R,CHENG X.Dust detection over desert surfaces with thermal infrared bands using dynamic reference brightness temperature differences[J].Journal of Geophysical Research Atmospheres,2013,118(118):8566-8584.
[23]HAN H J,SOHN B J,HUANG H L,et al.An improved radiance simulation for hyperspectral infrared remote sensing of Asian dust[J].Journal of Geophysical Research Atmospheres,2012,117(D9):63-74.
[24]VOLZ F E.Infrared refractive index of atmospheric aerosol substances[J].Applied Optics,1972,11(4):755-759.
[25]胡秀清.中国北方沙尘暴的静止气象卫星遥感监测研究[D].北京:北京师范大学,2004.
[2]UNO I,AMANO H,EMORI S,et al.Trans-pacific yellow sand transport observed in April 1998:a numerical simulation[J].Dyna,2008,75(154):159-166.
[3]NATSAGDORJ L,JUGDER D,CHUNG Y S.Analysis of dust storms observed in Mongolia during 1937-1999[J].Atmospheric Environment,2003,37(9/10):1401-1411.
[4]罗敬宁,范一大,史培军,等.多源遥感数据沙尘暴强度监测的信息可比方法[J].自然灾害学报,2003,12(2):28-34.
[5]潘耀忠,范一大,史培军,等.近50年来中国沙尘暴空间分异格局及季相分布:初步研究[J].自然灾害学报,2003,12(1):1-8.
[6]史培军,张宏,王平,等.我国沙区防沙治沙的区域模式[J].自然灾害学报,2000,9(3):1-7.
[7]LEE E H,SOHN B J.Recent increasing trend in dust frequency over Mongolia and Inner Mongolia regions and its association with climate and surface condition change[J].Atmospheric Environment,2011,45(27):4611-4616.
[8]韩涛,李耀辉,郭铌.基于EOS/MODIS资料的沙尘遥感监测模型研究[J].高原气象,2005,24(5):757-764.
[9]李栋梁,钟海玲,魏丽,等.中国北方年沙尘暴日数的气候特征及对春季高原地面感热的响应[J].高原气象,2003,22(4):337-345.
[10]TORRES O,BHARTIA P K,HERMAN J R,et al.Derivation of aerosol properties from satellite measurements of backscattered ultraviolet radiation:theoretical basis[J].Journal of Geophysical Research Atmospheres,1998,103(D14):17099-17110.
[11]HOLZERPOPP T,SCHROEDTERHOMSCHEIDT M,BREITKREUZ H,et al.Synergetic aerosol retrieval from SCIAMACHY and AATSR onboard ENVISAT[J].Atmospheric Chemistry&Physics,2008,8(1):2903-2951.
[12]KLSER L,SCHEPANSKI K.Remote sensing of mineral dust over land with MSG infrared channels:a new bitemporal mineral dust index[J].Remote Sensing of Environment,2009,113(9):1853-1867.
[13]LEGRAND M,PLANA-FATTORI A,N’DOUMC.Satellite detection of dust using the IR imagery of Meteosat:1.infrared difference dust index[J].Journal of Geophysical Research Atmospheres,2001,106(D16):18251-18274.
[14]SOKOLIK I N.The spectral radiative signature of wind-blown mineral dust:implications for remote sensing in the thermal IR region[J].Geophysical Research Letters,2002,29(24):7-1-7-4.
[15]PEYRIDIEU S,CHDIN A,TANRD,et al.Saharan dust infrared optical depth and altitude retrieved from AIRS:a focus over North Atlantic-comparison to MODIS and CALIPSO[J].Atmospheric Chemistry&Physics,2009,9(4):1953-1967.
[16]ZHANG P,LU N M,HU X Q,et al.Identification and physical retrieval of dust storm using three MODIS thermal IR channels[J].Global&Planetary Change,2006,52(1):197-206.
[17]YAO Z,LI J,HAN H J,et al.Asian dust height and infrared optical depth retrievals from hyperspectrallongwave infrared radiances[J].Journal of Geophysical Research Atmospheres,2012,117(D19).
[18]GOOD E J,KONG X,EMBURY O,et al.An infrared desert dust index for the along-track scanning radiometers[J].Remote Sensing of Environment,2012,116(2):159-176.
[19]LEGRAND M,PLANA-FATTORI A,N’DOUMC.Satellite detection of dust using the IR imagery of meteosat:1.infrared difference dust index[J].Journal of Geophysical Research Atmospheres,2001,106(D16):18251-18274.
[20]胡秀清,卢乃锰,张鹏.利用静止气象卫星红外通道遥感监测中国沙尘暴[J].应用气象学报,2007,18(3):266-275.
[21]张鹏,张兴赢,胡秀清,等.2006年一次沙尘活动的卫星定量遥感和分析研究[J].气候与环境研究,2007,12(3):302-308.
[22]LIU Y,LIU R,CHENG X.Dust detection over desert surfaces with thermal infrared bands using dynamic reference brightness temperature differences[J].Journal of Geophysical Research Atmospheres,2013,118(118):8566-8584.
[23]HAN H J,SOHN B J,HUANG H L,et al.An improved radiance simulation for hyperspectral infrared remote sensing of Asian dust[J].Journal of Geophysical Research Atmospheres,2012,117(D9):63-74.
[24]VOLZ F E.Infrared refractive index of atmospheric aerosol substances[J].Applied Optics,1972,11(4):755-759.
[25]胡秀清.中国北方沙尘暴的静止气象卫星遥感监测研究[D].北京:北京师范大学,2004.