Ground-based millimeter- and submillimiter-wave observations of the Arctic atmosphere

被引：1

作者：

Cimini, Domenico ^{[1
,2
]}

Westwater, Ed R. ^{[1
]}

Gasiewski, Al J. ^{[3
]}

Klein, Marian ^{[1
]}

Leuski, Vladimir ^{[1
]}

Mattioli, Vinia ^{[4
]}

Dowlatshahi, Sally ^{[5
]}

Lijegren, Jim ^{[6
]}

机构：

[1] Univ Colorado, NOAA, Div Phys Sci, Cooperat Inst Res Environm Sci, 325 Broadway, Boulder, CO 80305 USA

[2] CNR, Inst Methodol Environm Anal, Rome, Italy

[3] Univ Colorado, NOAA, Div Phys Sci, Boulder, CO 80305 USA

[4] Univ Perugia, Dipartimento Ingn Elettron Informaz, Perugia, Italy

[5] Sci & Technol Corp, Hampton, VA USA

[6] DOE, Argonne Natl Lab, Argonne, IL USA

来源：

2006 IEEE MICRORAD | 2006年

关键词：

atmospheric measurements; microwave radiometry; remote sensing;

D O I：

10.1109/MICRAD.2006.1677097

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Ground-based millimeter(mm)- and submillimeter (submm)-wave observations were collected during the Arctic winter by a new 25-channel scanning radiometer. Theoretical analysis and observations are shown to demonstrate the enhanced sensitivity of mm- and submit-wave radiometers with respect to conventional instruments, such microwave radiometers and global positioning system, to small changes in water vapor and liquid at low contents. A quantitative analysis of mm- and submm-wavelength sensitivity was carried out, yielding factors from 1.5 to 69 (3 to 4) for integrated water vapor (liquid water) content when compared to 20-30 GHz radiometers. A weighting function analysis illustrates the capability to retrieve atmospheric temperature, humidity, and liquid path from Ground-based Scanning Radiometer (GSR) observations in the extreme conditions of the Arctic winter. Finally, we show preliminary results for the retrievals, and we discuss the path of the future research.

引用

页码：247 / +

页数：2

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