@proceedings{78772, keywords = {workshop, data assimilation, diagnostics, systems performance}, author = {L. Xu and R. Langland and N. Baker and B. Chua and T. Rosmond}, title = {Four dimensional observation impact on the US Navy's atmospheric analyses and forecasts}, year = {2009}, journal = {ECMWF Workshop on Diagnostics of data assimilation system performance, 15 - 17 June 2009}, month = {2009}, url = {https://www.ecmwf.int/node/15274}, language = {eng}, }