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NRLMSISE-00

Atmospheric model of Earth

NRLMSISE-00

Atmospheric model of Earth

NRLMSISE output

NRLMSISE-00 is an empirical, global reference atmospheric model of the Earth from ground to space. It models the temperatures and densities of the atmosphere's components. A primary use of this model is to aid predictions of satellite orbital decay due to atmospheric drag. This model has also been used by astronomers to calculate the mass of air between telescopes and laser beams in order to assess the impact of laser guide stars on the non-lasing telescopes.

Development

The model, developed by Mike Picone, Alan Hedin, and Doug Drob, is based on the earlier models MSIS-86 and MSISE-90, but updated with actual satellite drag data. It also predicts anomalous oxygen.

NRL stands for the US Naval Research Laboratory. MSIS stands for mass spectrometer and incoherent scatter radar, the two primary data sources for development of earlier versions of the model. E indicates that the model extends from the ground through exosphere and 00 is the year of release.

Over the years since introduction, NRLMSISE-00 has become the standard for international space research.

Input and output

The inputs for the model are:

  • Year and day
  • Time of day
  • Geodetic altitude from 0 to 1,000 km
  • Geodetic latitude
  • Geodetic longitude
  • Daily F10.7 solar flux for previous day
  • 81-day average of F10.7 solar flux
  • Daily Ap geomagnetic index
  • 25 flags which turn on and off different parts of the calculation

The outputs of the model are:

  • Helium number density
  • Oxygen (O) number density
  • Nitrogen (N2) number density
  • Oxygen (O2) number density
  • Argon (Ar) number density
  • Total mass density
  • Hydrogen (H) number density
  • Nitrogen (N) number density
  • Anomalous oxygen number density
  • Exospheric temperature
  • Temperature at alt

References

References

  1. (2002-12-01). "NRLMSISE-00 empirical model of the atmosphere: Statistical comparisons and scientific issues". Journal of Geophysical Research: Space Physics.
  2. Coulson, Dolores M. & Roth, Katherine C., Adaptive Optics Systems II. Edited by Ellerbroek, Brent L.; Hart, Michael; Hubin, Norbert; Wizinowich, Peter L. Proceedings of the SPIE, Volume 7736, pp. 773652-773652-9 (2010)
  3. "Trademark Status & Document Retrieval".
  4. "Empirical Modeling of the Upper Atmosphere: NRLMSISE-00, HWM07, and G2S".
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This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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