2 papers
physics.ao-ph2022
Handling errors in four-dimensional variational data assimilation by balancing the degrees of freedom and the model constraints: A new approach
Xiangjun Tian, Hongqin Zhang, Zhe Jin +5
For many years, strongly and weakly constrained approaches were the only options to deal with errors in four-dimensional variational data assimilation (4DVar), with the aim of bala…
physics.data-an2018
A New Approach for 4DVar Data Assimilation
Xiangjun Tian, Aiguo Dai, Xiaobing Feng +3
Four-dimensional variational data assimilation (4DVar) has become an increasingly important tool in data science with wide applications in many engineering and scientific fields su…