TY - RPRT TI - Evaluation of adjoint-based observation impacts as a function of forecast length using an Observing System Simulation Experiment AU - N.C. Prive AU - Ronald M Errico AU - Ricardo Todling AU - Amal El Akkraoui PY - 2020 UR - https://ntrs.nasa.gov/citations/20205008784 ID - 20205008784 ER -