Whitepaper #313 in the Decadal Survey for Solar and Space Physics (Heliophysics) 2024-2033. Main topics: space weather applications; basic research. Additional topics: space weather research/operations/research loop; system science; other space weather; user-need-driven […]
To fully realize the capabilities of ionosphere, thermosphere, and mesosphere (ITM) data assimilation (DA) systems for both scientific investigations and operations, several critical advances are needed. This white paper outlines the outstanding challenges facing ITM DA that need to be addressed in the coming decade, and details how these will benefit the scientific and operational communities.