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dc.contributor.author | Luce, Hubert | en |
dc.contributor.author | Kantha, Lakshmi | en |
dc.contributor.author | Hashiguchi, Hiroyuki | en |
dc.contributor.author | Lawrence, Dale | en |
dc.contributor.author | Yabuki, Masanori | en |
dc.contributor.author | Tsuda, Toshitaka | en |
dc.contributor.author | Mixa, Tyler | en |
dc.contributor.alternative | 橋口, 浩之 | ja |
dc.contributor.alternative | 矢吹, 正教 | ja |
dc.contributor.alternative | 津田, 敏隆 | ja |
dc.date.accessioned | 2017-06-27T02:50:04Z | - |
dc.date.available | 2017-06-27T02:50:04Z | - |
dc.date.issued | 2017-3-17 | - |
dc.identifier.issn | 1432-0576 | - |
dc.identifier.uri | http://hdl.handle.net/2433/226193 | - |
dc.description.abstract | New comparisons between the square of the generalized potential refractive index gradient M[2], estimated from the very high-frequency (VHF) Middle and Upper Atmosphere (MU) Radar, located at Shigaraki, Japan, and unmanned aerial vehicle (UAV) measurements are presented. These comparisons were performed at unprecedented temporal and range resolutions (1–4 min and ∼ 20 m, respectively) in the altitude range ∼ 1.27–4.5 km from simultaneous and nearly collocated measurements made during the ShUREX (Shigaraki UAV-Radar Experiment) 2015 campaign. Seven consecutive UAV flights made during daytime on 7 June 2015 were used for this purpose. The MU Radar was operated in range imaging mode for improving the range resolution at vertical incidence (typically a few tens of meters). The proportionality of the radar echo power to M2 is reported for the first time at such high time and range resolutions for stratified conditions for which Fresnel scatter or a reflection mechanism is expected. In more complex features obtained for a range of turbulent layers generated by shear instabilities or associated with convective cloud cells, M2 estimated from UAV data does not reproduce observed radar echo power profiles. Proposed interpretations of this discrepancy are presented. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | European Geosciences Union (EGU) | en |
dc.rights | © Author(s) 2017. This work is distributed under the Creative Commons Attribution 3.0 License. | en |
dc.subject | Earth and Planetary Sciences (miscellaneous) | en |
dc.subject | Space and Planetary Science | en |
dc.subject | Astronomy and Astrophysics | en |
dc.subject | Atmospheric Science | en |
dc.subject | Geology | en |
dc.title | Comparisons between high-resolution profiles of squared refractive index gradient M[2]; measured by the Middle and Upper Atmosphere Radar and unmanned aerial vehicles (UAVs) during the Shigaraki UAV-Radar Experiment 2015 campaign | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | Annales Geophysicae | en |
dc.identifier.volume | 35 | - |
dc.identifier.spage | 423 | - |
dc.identifier.epage | 441 | - |
dc.relation.doi | 10.5194/angeo-35-423-2017 | - |
dc.textversion | publisher | - |
dcterms.accessRights | open access | - |
出現コレクション: | 学術雑誌掲載論文等 |
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