热带地理 ›› 2015, Vol. 35 ›› Issue (6): 852-859.doi: 10.13284/j.cnki.rddl.002763
饶俊峰,张显峰
出版日期:
2015-11-05
发布日期:
2015-11-05
通讯作者:
张显峰(1967-),男,四川人,副教授,博士,主要从事生态环境遥感研究,(E-mail)xfzhang@pku.edu.cn。
作者简介:
饶俊峰(1990-),男,福建人,硕士研究生,主要从事生态环境遥感研究,(E-mail)raopku@qq.com
基金资助:
国家科技支撑计划项目(2012BAH27B03);国家自然科学基金(41071257)
RAO Junfeng,ZHANG Xianfeng
Online:
2015-11-05
Published:
2015-11-05
摘要:
以香港地面站观测的AOD与WVC数据为参照,首先分析了MISR/AOD和MODIS/WVC产品的不确定性描述方法,然后在考虑二者联合不确定性的影响下,推导了辐射传输方程法估算地面太阳短波辐射的相对误差分布函数。通过统计2005―2013年香港MISR/AOD和MODIS/WVC反演值的分布情况,得出两者的联合概率密度函数,然后将AOD和WVC的联合概率密度函数作为权重函数与相对误差分布函数积分,得到对辐射传输方程法估算地面太阳短波辐射的相对误差数学期望。结果表明,夏季在太阳天顶角为0°时,使用MISR/AOD和MODIS/WVC产品估算地面太阳短波辐射的相对误差期望为3.17%,并且有90%的把握使估算结果相对误差<3.53%;不同季节不同太阳天顶角下、不同置信水平下,地面太阳短波辐射估算的相对误差大小,可为不同应用研究提供基础数据,为评估亚热带地面太阳短波辐射估算结果是否符合应用需求提供依据。
饶俊峰,张显峰. 考虑多大气参数不确定性的地面太阳短波辐射估算误差数学期望[J]. 热带地理, 2015, 35(6): 852-859.
RAO Junfeng,ZHANG Xianfeng. Mathematical Expectation of the Surface Solar Irradiance Estimation Error under the Combined Uncertainty Impact of Multi Remotely Sensed Atmospheric Parameters in Hong Kong[J]. TROPICAL GEOGRAPHY, 2015, 35(6): 852-859.
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