The impact of using reconditioned correlated observation error
covariance matrices in the Met Office 1D-Var system
Tabeart, J
Dance, S
Lawless, A
Migliorini, S
Nichols, N
Smith, F
Waller, J
(12 Aug 2019)
http://arxiv.org/abs/1908.04071v1
covariance matrices in the Met Office 1D-Var system