Sizing snow grains using backscattered solar light

被引：48

作者：

Kokhanovsky, A. ^{[1
]}

Rozanov, V. V. ^{[1
]}

Aoki, T. ^{[2
]}

Odermatt, D. ^{[3
]}

Brockmann, C. ^{[4
]}

Krueger, O. ^{[4
]}

Bouvet, M. ^{[5
]}

Drusch, M. ^{[5
]}

Hori, Andm ^{[6
]}

机构：

[1] Univ Bremen, Inst Environm Phys, D-28334 Bremen, Germany

[2] Meteorol Res Inst, Tsukuba, Ibaraki 3050052, Japan

[3] Univ Zurich, Dept Geog, CH-8057 Zurich, Switzerland

[4] Brockmann Consult, D-21502 Geesthacht, Germany

[5] European Space Agcy, ESTEC Earth Observat Programmes, Miss Sci Div EOP SME, NL-2200 AG Noordwijk, Netherlands

[6] Japan Aerosp Explorat Agcy, Earth Observat Res Ctr, Tsukuba, Ibaraki 3058505, Japan

来源：

INTERNATIONAL JOURNAL OF REMOTE SENSING | 2011年 / 32卷 / 22期

关键词：

COVERED AREA; BIDIRECTIONAL REFLECTANCE; SPECTRAL ALBEDO; SURFACE-AREA; AVIRIS DATA; SIZE; ICE; SCATTERING; RETRIEVAL; METAMORPHISM;

D O I：

10.1080/01431161.2011.560621

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

In this article, we describe a technique to determine dry snow grain size from optical observations. The method is based on analysis of the snow reflectance in the near-infrared region, in particular, the Medium Resolution Imaging Spectrometer (MERIS) band at 865 nm, which is common to many spaceborne optical sensors, is used. In addition, the algorithm is applied to the Moderate Resolution Imaging Spectroradiometer (MODIS) 1240 nm band. It is found that bands located at 1020 and 1240 nm are the most suitable for snow grain size remote-sensing applications. The developed method is validated using MODIS observations over flat snow deposited on a lake ice in Hokkaido, Japan.

引用

页码：6975 / 7008

页数：34

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