基于葵花-8卫星的白天冰云识别初探
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摘要
冰云是影响全球能量平衡、气候和天气变化的重要因素,识别冰云研究意义重大。利用葵花-8(Himawari-8)的2 km近红外第11波段和热红外第14波段数据及1 km MYD06云相态产品数据,采用代码调试,试图研究了基于亮温的Himawari-8的冰云算法,经过代码调试和验证得出Himawari-8的冰云算法。结果表明:Himawari-8云相态中冰云的初步算法为:BT_(11)<285且BTD_([8.5-11])>-1。用2015年12月29日的Himawari-8冰云数据与MODIS数据的云相态产品MYD06数据之间,使用简单匹配方法做了对比验证,结果匹配度为81.04%,匹配等级上属于匹配。
Ice cloud is importance factor of global energy balance,change of climate and weather,identification of ice cloud has significance research meaning.The ice cloud identification algorithm was studied based on band11 and band 14 in Himawari-8 and MYD06 ice cloud product data through the coding and debugging and trying research Himawari-8 ice cloud with brightness temperature. After comparing and verifying,The result showed that the initial algorithm parameters of Himawari-8 ice cloud were adjusted as follows:BT11<285 and BTD_([8.5-11])>-1.0.And the verification of Himawari-8 ice cloud to MYD06 ice cloud product accuracy in December 29, 2015 is as up to 81.04%.The matching degree is a match belonging to highest degree.
Ice cloud is importance factor of global energy balance,change of climate and weather,identification of ice cloud has significance research meaning.The ice cloud identification algorithm was studied based on band11 and band 14 in Himawari-8 and MYD06 ice cloud product data through the coding and debugging and trying research Himawari-8 ice cloud with brightness temperature. After comparing and verifying,The result showed that the initial algorithm parameters of Himawari-8 ice cloud were adjusted as follows:BT11<285 and BTD_([8.5-11])>-1.0.And the verification of Himawari-8 ice cloud to MYD06 ice cloud product accuracy in December 29, 2015 is as up to 81.04%.The matching degree is a match belonging to highest degree.
引文
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[20] 魏怀东,陈芳,张勃等.民勤10种典型荒漠植物冠层光谱与含水率的特征分析[J].草业科学,2018,35(03):590-596.
[21] 蔡子颖, 韩素芹,邱晓滨等.基于 255 m 气象塔天津地区污染天气高空风特征研究[J/OL].环境科学学报[2018-04-18].https://doi.org/10.13671/j.hjkxxb.2018..0157.
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[23] 吕英民,殷倩,杨果等.梅花品种资源叶绿体基因组SSR研究[J].《北京林业大学学报》,2007,(S1):48-53.
[2] 汪宏七,赵高祥.云和辐射(I):云气候学和云的辐射作用[J].大气科学,1994,18(z1):
[3] Waliser D E,Li J L F,Woods C P,et al.Cloud ice:A climate model challenge with signs and expectations of progress[J]. Journal of Geophysical Research : Atmospheres,2009114(D8):D00A21,DOI:10.1029/2008jd010015.
[4] 易欣,卢姁,何锡玉等.利用MODIS可见光和1.38μm通道反演卷云反射率[J].气象科学,2008(01):62-67.
[5] 陈立,张杰,刘振元.基于MODIS云产品的AIRS云相态的识别和云量产品的检验[J],热带气象学报,2015,31(4):486-496.
[6] 张萍.云卫星资料在天山山区降雨云研究中的应用[D].东华大学.2012.910-932.
[7] 王可丽,钟强.青藏高原地气系统云辐射强迫的气候学特征[J].高原气象,1997,V16(1):16-22.
[8] 刘长盛,叶伯明.云层分布对辐射增效和冷却的影响[J].气象学报,1991,49(4):483-493.
[9] 李特,郑有飞,王立稳等.基于MODIS产品的中国陆地冰云季节变化特征[J].应用气象学报,2017,28(06):724-736.
[10] 刘健.风云二号卫星的冰云光学厚度反演偏差分析[J].气象学报,2015,73(6):1121-1130.
[11] 胡斯勒图,包玉海,许健等.基于六角形和球形冰晶模型的卷云辐射特征研究[J],光谱学与光谱分析,2015,35(5):1165-1168.
[12] Yong-X. Hu,David Winker,Ping Yang et al.Identification of cloud phase from PICASSO-CENA lidar depolarization: a multiple scattering sensitivity study[J]. Journal of Quantitative Spectroscopy&Radiative Transfer,2001,(70) ,569-579.
[13] LAURAD.FOWLER,DAVIDA.RANDALL.Liquid and Ice Cloud Microphysics in the CSG General Circulation Model.Part :Sensitivity to Modeling Assumptions [J]. FOWLERAND RANDALL ,1996,9,561-586.
[14] 肖武平.日本首颗新一代气象卫星向日葵-8入轨[J],国际太空,2015,(434):87-91.
[15] 杨春燕,陈圣波等.长春地区云检测及云相态反演研究[J],遥感技术与应用,2010,25(2):245-250.
[16] Menzel W P,Richard A F,Bryan A B, et al.Cloud Top Properties and Cloud Phase Algorithm Theoretical Basic Document Version 7 [EB/OL]. http://modis-atmos.gsfc.nasa.gov/docs/MOD06CT:MYD06CT_ATBD_C005.pdf.2009-2-17.
[17] 左其亭,赵衡,马军霞等.水资源利用与经济社会发展匹配度计算方法及应用[J].水利水电科技进展,2014,34(06):1-6.
[18] 王立中,麻硕士,薛河儒等.基于SIFT检测与匹配算法的奶牛形体图像技术研究[J].内蒙古农业大学学报(自然科学版),2009,30(01):238-242.
[19] 周艳青,薛河儒,姜新华等.基于极线约束对称距离的特征点匹配算法的研究[J].内蒙古农业大学学报(自然科学版),2016,37(03):107-111.
[20] 魏怀东,陈芳,张勃等.民勤10种典型荒漠植物冠层光谱与含水率的特征分析[J].草业科学,2018,35(03):590-596.
[21] 蔡子颖, 韩素芹,邱晓滨等.基于 255 m 气象塔天津地区污染天气高空风特征研究[J/OL].环境科学学报[2018-04-18].https://doi.org/10.13671/j.hjkxxb.2018..0157.
[22] 李耘涛,赵涛.基于模糊数学的人力资源岗位匹配度研究[J].西北农林科技大学学报(社会科学版),2006(02):61-64+68.
[23] 吕英民,殷倩,杨果等.梅花品种资源叶绿体基因组SSR研究[J].《北京林业大学学报》,2007,(S1):48-53.