supported by the Special Project of the Meteorological Sector program Grant No GYHY(QX) 200906011;the 973 project (Grant No 2004CB418304)
In this study we extend the dimension-reduced projection-four dimensional variational data assimilation (DRP-4DVar) approach to allow the analysis time to be tunable, so that the intervals between analysis time and ...
the Ministry of Science and Technology of China for funding the 973 project (Grant No. 2004CB418304); the Ministry of Finance of China and the China Meteorological Administration for the Special Project of Meteorological Sector [Grant No. GYHY(QX)2007-6-15]
Four-dimensional variational data assimilation (4DVar) is one of the most promising methods to provide optimal analysis for numerical weather prediction (NWP). Five national NWP centers in the world have successfu...