NASA NTRS · 20170012289
Earth Global Reference Atmospheric Model (Earth-GRAM) GRAM Virtual Meeting
Abstract
What is Earth-GRAM? Provide monthly mean and standard deviation for any point in atmosphere; Monthly, Geographic, and Altitude Variation. Earth-GRAM is a C++ software package; Currently distributed as Earth-GRAM 2016. Atmospheric variables included: pressure, density, temperature, horizontal and vertical winds, speed of sound, and atmospheric constituents. Used by engineering community because of ability to create dispersions inatmosphere at a rapid runtime; Often embedded in trajectory simulation software. Not a forecast model. Does not readily capture localized atmospheric effects.
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White, Patrick. 2017-09-21. Earth Global Reference Atmospheric Model (Earth-GRAM) GRAM Virtual Meeting. https://ntrs.nasa.gov/citations/20170012289
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