Thu Apr 10, F. Flechtner
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Calabia, Andres, Tang, Geshi, and Jin, Shuanggen, 2019. Assessment of new thermospheric mass density model using NRLMSISE-00 model, GRACE, Swarm-C, and APOD observations. Journal of Atmospheric and Solar-Terrestrial Physics, 199:105207, doi:10.1016/j.jastp.2020.105207.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2019JASTP.19905207C,
author = {{Calabia}, Andres and {Tang}, Geshi and {Jin}, Shuanggen},
title = "{Assessment of new thermospheric mass density model using NRLMSISE-00 model, GRACE, Swarm-C, and APOD observations}",
journal = {Journal of Atmospheric and Solar-Terrestrial Physics},
keywords = {Thermospheric mass density, GRACE, Swarm, APOD, NRLMSISE-00},
year = 2019,
month = mar,
volume = {199},
eid = {105207},
pages = {105207},
abstract = "{Thermospheric mass density estimates from in-situ observations along
satellite orbits are difficult to validate due to their inherent
spatiotemporal sparse nature, and difficulties related to drag-
force modeling and estimation of actual mass density state.
Current upper atmospheric models are unable to accurately
represent the actual thermospheric variability, and in-situ
observations are far to fulfill the minimum requirements in
practical applications. In this manuscript, the new
Thermospheric Mass Density Model (TMDM) is based on the fit of
solar flux, annual, Local Solar Time (LST), and magnetospheric
proxies into the Principal Component Analysis (PCA) of 13 years
of accelerometer-based mass density estimates derived from the
GRACE (Gravity Recovery and Climate Experiment) mission. We
employ the NRLMSISE-00 model and estimates from APOD
(Atmospheric density detection and Precise Orbit Determination),
Swarm-C, and GRACE satellites, and assess the new model,
including statistical analyses, and a Precise Orbit
Determination (POD) scheme. We compare 2 years of APOD and
Swarm-C estimates, and study the dynamic orbit propagation of
the 3 missions under different mass density input schemes and
different magnetospheric activity conditions. The results with
TMDM show similar differences in the dynamically propagated
orbits from NRLMSISE-00 and in-situ observations. The
statistical analyses show that NRLMSISE-00 overestimates about
20\%, and TMDM underestimates about 20\%, the in-situ
observations.}",
doi = {10.1016/j.jastp.2020.105207},
adsurl = {https://ui.adsabs.harvard.edu/abs/2019JASTP.19905207C},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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Thu Apr 10, F. Flechtner