An empirical model of the Earth's horizontal wind fields: HWM07
Author(s) -
Drob D. P.,
Emmert J. T.,
Crowley G.,
Picone J. M.,
Shepherd G. G.,
Skinner W.,
Hays P.,
Niciejewski R. J.,
Larsen M.,
She C. Y.,
Meriwether J. W.,
Hernandez G.,
Jarvis M. J.,
Sipler D. P.,
Tepley C. A.,
O'Brien M. S.,
Bowman J. R.,
Wu Q.,
Murayama Y.,
Kawamura S.,
Reid I. M.,
Vincent R. A.
Publication year - 2008
Publication title -
journal of geophysical research: space physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.67
H-Index - 298
eISSN - 2156-2202
pISSN - 0148-0227
DOI - 10.1029/2008ja013668
Subject(s) - geology , geophysics , earth's magnetic field , atmosphere (unit) , local time , quiet , meteorology , geodesy , empirical orthogonal functions , solar wind , atmospheric sciences , physics , climatology , magnetic field , astronomy , statistics , mathematics , quantum mechanics
The new Horizontal Wind Model (HWM07) provides a statistical representation of the horizontal wind fields of the Earth's atmosphere from the ground to the exosphere (0–500 km). It represents over 50 years of satellite, rocket, and ground‐based wind measurements via a compact Fortran 90 subroutine. The computer model is a function of geographic location, altitude, day of the year, solar local time, and geomagnetic activity. It includes representations of the zonal mean circulation, stationary planetary waves, migrating tides, and the seasonal modulation thereof. HWM07 is composed of two components, a quiet time component for the background state described in this paper and a geomagnetic storm time component (DWM07) described in a companion paper.
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