Analysis of influence of observation operator on sequential data assimilation through soil temperatu

• 作 者: Xiao-lei Fu Zhong-bo Yu Yong-j
• 机 构: CollegeofCivilEngineering,StateKeyLaboratoryofHydrology-WaterResourcesandHydraulicEngineering,StateK
• 出 处: 水科学与水工程：英文版
• 发表日期: 2018年3期
• 关键词: OBSERVATION OPERATOR Unscented PARTICLE filter(UPF) Soil temperature MODIS LST D
• 基金项目: This work was supported by the National Key Research and Development Program of China(Grants No.2016YFC0402706 and 2016YFC0402710),the National Natural Science Foundation of China(Grants No.51709046 a

An observation operator is a bridge linking the system state vector and observations in a data assimilation system.Despite its importance,the degree to which an observation operator influences the performance of data assimilation methods is still poorly u