globalchange  > 气候变化与战略
DOI: 10.5194/tc-14-4405-2020
论文题名:
Surface-based Ku-and Ka-band polarimetric radar for sea ice studies
作者: Stroeve J.; Nandan V.; Willatt R.; Tonboe R.; Hendricks S.; Ricker R.; Mead J.; Mallett R.; Huntemann M.; Itkin P.; Schneebeli M.; Krampe D.; Spreen G.; Wilkinson J.; Matero I.; Hoppmann M.; Tsamados M.
刊名: Cryosphere
ISSN: 19940416
出版年: 2020
卷: 14, 期:12
起始页码: 4405
结束页码: 4426
语种: 英语
英文关键词: azimuth ; backscatter ; geophysical survey ; ice thickness ; parameterization ; satellite altimetry ; scatterometer ; sea ice ; snow cover ; Arctic
英文摘要: To improve our understanding of how snow properties influence sea ice thickness retrievals from presently operational and upcoming satellite radar altimeter missions, as well as to investigate the potential for combining dual frequencies to simultaneously map snow depth and sea ice thickness, a new, surface-based, fully polarimetric Ku-and Ka-band radar (KuKa radar) was built and deployed during the 2019-2020 year-long MOSAiC international Arctic drift expedition. This instrument, built to operate both as an altimeter (stare mode) and as a scatterometer (scan mode), provided the first in situ Ku-and Ka-band dual-frequency radar observations from autumn freeze-up through midwinter and covering newly formed ice in leads and first-year and second-year ice floes. Data gathered in the altimeter mode will be used to investigate the potential for estimating snow depth as the difference between dominant radar scattering horizons in the Ka-and Ku-band data. In the scatterometer mode, the Ku-and Ka-band radars operated under a wide range of azimuth and incidence angles, continuously assessing changes in the polarimetric radar backscatter and derived polarimetric parameters, as snow properties varied under varying atmospheric conditions. These observations allow for characterizing radar backscatter responses to changes in atmospheric and surface geophysical conditions. In this paper, we describe the KuKa radar, illustrate examples of its data and demonstrate their potential for these investigations. © 2020 Author(s).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/164594
Appears in Collections:气候变化与战略

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作者单位: Centre for Earth Observation Science, University of Manitoba, 535 Wallace Building, Winnipeg, MB R3T 2N2, Canada; Earth Sciences Department, University College London, Gower Street, London, WC1E 6BT, United Kingdom; National Snow and Ice Data Center, University of Colorado, 1540 30th Street, Boulder, CO 80302, United States; Danish Meteorological Institute, Lyngbyvej 100, Copenhagen, 2100, Denmark; Alfred Wegener Institute, Am Handelshafen 12, Bremerhaven, 27570, Germany; ProSensing, 107 Sunderland Road, Amherst, MA 01002-1357, United States; Institute of Environmental Physics, University of Bremen, Otto-Hahn-Allee 1, Bremen, 28359, Germany; Department of Physics and Technology, UiT the Arctic University of Norway, Tromsø, 9019, Norway; Wsl Institute for Snow and Avalanche Research Slf, Fluelastrasse 11, Davos Dorf, 7260, Switzerland; British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 0ET, United Kingdom

Recommended Citation:
Stroeve J.,Nandan V.,Willatt R.,et al. Surface-based Ku-and Ka-band polarimetric radar for sea ice studies[J]. Cryosphere,2020-01-01,14(12)
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