Intercalibration of HRDI and WINDII wind measurements
dc.contributor.author | Burrage, M. D. | en_US |
dc.contributor.author | Hays, Paul B. (Paul Byron) | en_US |
dc.contributor.author | Skinner, Wilbert R. | en_US |
dc.date.accessioned | 2006-09-11T19:28:22Z | |
dc.date.available | 2006-09-11T19:28:22Z | |
dc.date.issued | 1997-10 | en_US |
dc.identifier.citation | Burrage, M. D.; Skinner, W. R.; Hays, P. B.; (1997). "Intercalibration of HRDI and WINDII wind measurements." Annales Geophysicae 15(9): 1089-1098. <http://hdl.handle.net/2027.42/47857> | en_US |
dc.identifier.issn | 1432-0576 | en_US |
dc.identifier.issn | 0992-7689 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/47857 | |
dc.description.abstract | The High Resolution Doppler Imager (HRDI) and the Wind Imaging Interferometer (WINDII) instruments, which are both on the Upper Atmosphere Research Satellite, measure winds by sensing the Doppler shift in atmospheric emission features. Because the two observation sets are frequently nearly coincident in space and time, each provides a very effective validation test of the other. Discrepancies due to geophysical differences should be much smaller than for comparisons with other techniques (radars, rockets, etc.), and the very large sizes of the coincident data sets provide excellent statistics for the study. Issues that have been examined include relative systematic offsets and the wind magnitudes obtained with the two systems. A significant zero wind position difference of ∼6 m s −1 is identified for the zonal component, and it appears that this arises from an absolute perturbation in WINDII winds of -4 m s −1 and in HRDI of +2 m s −1 . Altitude offsets appear to be relatively small, and do not exceed 1 km. In addition, no evidence is found for the existence of a systematic wind speed bias between HRDI and WINDII. However, considerable day-to-day variability is found in the quality of the agreement, and RMS differences are surprisingly large, typically in the range of 20-30 m s −1 . | en_US |
dc.format.extent | 1162755 bytes | |
dc.format.extent | 3115 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Springer-Verlag; Springer-Verlag Berlin Heidelberg | en_US |
dc.subject.other | Astrophysics | en_US |
dc.subject.other | Astronomy | en_US |
dc.subject.other | Geophysics/Geodesy | en_US |
dc.subject.other | Geosciences | en_US |
dc.subject.other | Extraterrestrial Physics, Space Sciences | en_US |
dc.title | Intercalibration of HRDI and WINDII wind measurements | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Physics | en_US |
dc.subject.hlbsecondlevel | Atmospheric, Oceanic and Space Sciences | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Space Physics Research Laboratory, University of Michigan, Ann Arbor, MI, 48109, USA | en_US |
dc.contributor.affiliationum | Space Physics Research Laboratory, University of Michigan, Ann Arbor, MI, 48109, USA | en_US |
dc.contributor.affiliationum | Space Physics Research Laboratory, University of Michigan, Ann Arbor, MI, 48109, USA | en_US |
dc.contributor.affiliationumcampus | Ann Arbor | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/47857/1/585_1997_Article_70151089.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1007/s00585-997-1089-8 | en_US |
dc.identifier.source | Annales Geophysicae | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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