Battaglia, Alessandro ORCID: 0000-0001-9243-3484, Kollias, Pavlos ORCID: 0000-0002-5984-7869, Dhillon, Ranvir, Roy, Richard, Tanelli, Simone, Lamer, Katia ORCID: 0000-0002-8328-5704, Grecu, Mircea ORCID: 0000-0001-8600-1781, Lebsock, Matthew, Watters, Daniel ORCID: 0000-0002-5080-706X, Mroz, Kamil, Heymsfield, Gerald, Li, Lihua and Furukawa, Kinji (2020). Spaceborne Cloud and Precipitation Radars: Status, Challenges, and Ways Forward. Rev. Geophys., 58 (3). WASHINGTON: AMER GEOPHYSICAL UNION. ISSN 1944-9208

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Abstract

Spaceborne radars offer a unique three-dimensional view of the atmospheric components of the Earth's hydrological cycle. Existing and planned spaceborne radar missions provide cloud and precipitation information over the oceans and land difficult to access in remote areas. A careful look into their measurement capabilities indicates considerable gaps that hinder our ability to detect and probe key cloud and precipitation processes. The international community is currently debating how the next generation of spaceborne radars shall enhance current capabilities and address remaining gaps. Part of the discussion is focused on how to best take advantage of recent advancements in radar and space platform technologies while addressing outstanding limitations. First, the observing capabilities and measurement highlights of existing and planned spaceborne radar missions including TRMM, CloudSat, GPM, RainCube, and EarthCARE are reviewed. Then, the limitations of current spaceborne observing systems, with respect to observations of low-level clouds, midlatitude and high-latitude precipitation, and convective motions, are thoroughly analyzed. Finally, the review proposes potential solutions and future research avenues to be explored. Promising paths forward include collecting observations across a gamut of frequency bands tailored to specific scientific objectives, collecting observations using mixtures of pulse lengths to overcome trade-offs in sensitivity and resolution, and flying constellations of miniaturized radars to capture rapidly evolving weather phenomena. This work aims to increase the awareness about existing limitations and gaps in spaceborne radar measurements and to increase the level of engagement of the international community in the discussions for the next generation of spaceborne radar systems.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Battaglia, AlessandroUNSPECIFIEDorcid.org/0000-0001-9243-3484UNSPECIFIED
Kollias, PavlosUNSPECIFIEDorcid.org/0000-0002-5984-7869UNSPECIFIED
Dhillon, RanvirUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Roy, RichardUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tanelli, SimoneUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lamer, KatiaUNSPECIFIEDorcid.org/0000-0002-8328-5704UNSPECIFIED
Grecu, MirceaUNSPECIFIEDorcid.org/0000-0001-8600-1781UNSPECIFIED
Lebsock, MatthewUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Watters, DanielUNSPECIFIEDorcid.org/0000-0002-5080-706XUNSPECIFIED
Mroz, KamilUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Heymsfield, GeraldUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Li, LihuaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Furukawa, KinjiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-320805
DOI: 10.1029/2019RG000686
Journal or Publication Title: Rev. Geophys.
Volume: 58
Number: 3
Date: 2020
Publisher: AMER GEOPHYSICAL UNION
Place of Publication: WASHINGTON
ISSN: 1944-9208
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
DIFFERENTIAL ABSORPTION RADAR; RAINDROP SIZE DISTRIBUTION; PULSE-PAIR TECHNIQUE; ICE WATER-CONTENT; DOPPLER-RADAR; MULTIPLE-SCATTERING; POLARIZATION DIVERSITY; GLOBAL PRECIPITATION; MICROPHYSICAL PROPERTIES; VELOCITY-MEASUREMENTSMultiple languages
Geochemistry & GeophysicsMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/32080

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