Airborne retrievals of snow and ice surface emissivity at millimeter wavelengths

Hewison T.J.; English S.J.

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Airborne retrievals of snow and ice surface emissivity at millimeter wavelengths

机译：机载获取毫米波波长的冰雪表面发射率

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Passive microwave radiometers (24-157 GHz) have been flown over Baltic Sea ice and snow sites in April 1995 and on March 15, 1997. Data from these instruments are analyzed with reference to ground measurements of snow and ice conditions, and emissivity spectra are presented for 12 classifications of surface type. A simple model based on dielectric permittivity can accurately represent the microwave spectra of sea ice, but cannot be extended to the behavior of dry snow above 100 GHz without the addition of an extra term to represent volume scattering. The parameterization presented is intended to provide a background for temperature and humidity retrievals from satellite sounders, but the results will be of interest to the snow and ice remote-sensing communities.

机译：1995年4月和1997年3月15日，无源微波辐射计（24-157 GHz）在波罗的海的冰雪场上空飞行。这些仪器的数据是参考冰雪条件的地面测量数据进行分析的，发射光谱为介绍了12种表面类型的分类。一个简单的基于介电常数的模型可以准确地表示海冰的微波频谱，但是如果不添加额外的表示体积散射的术语，就不能扩展到100 GHz以上的干雪的行为。提出的参数化旨在为从卫星测深仪获取温度和湿度提供背景，但结果将对冰雪遥感社区感兴趣。

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《IEEE Transactions on Geoscience and Remote Sensing》 |1999年第4期|P.1871-1879|共9页
作者
Hewison T.J.; English S.J.;
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正文语种 eng
中图分类无线电电子学、电信技术;
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2. Precipitating Snow Retrievals from Combined Airborne Cloud Radar and Millimeter-Wave Radiometer Observations [J] . Grecu M, Olson WS Journal of Applied Meteorology and Climatology . 2008,第6期

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3. Combined retrieval of Arctic liquid water cloud and surface snow properties using airborne spectral solar remote sensing [J] . Ehrlich André, Bierwirth Eike, Istomina Larysa, Atmospheric Measurement Techniques . 2017,第9期

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4. Observations of the emissivity of snow and ice surfaces from the SAAMEX and MACSI airborne campaigns [C] . English, S.J., Jones, Geoscience and Remote Sensing Symposium, 1995. IGARSS '95. 'Quantitative Remote Sensing for Science and Applications', International . 1995

机译：SAAMEX和MACSI空降活动观测到的冰雪表面的发射率
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6. GNSS-R with Low-Cost Receivers for Retrieval of Antenna Height from Snow Surfaces Using Single-Frequency Observations [O] . Simone Rover, Alfonso Vitti 2019

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7. Airborne imaging of tropospheric emission at millimeter and submillimeter wavelengths [O] . Zacharias D. S., Gasiewski A. J., Wang J. R., 1993

机译：对流层在毫米和亚毫米波长处的机载成像
8. Prediction of Backscatter and Emissivity of Snow at Millimeter Wavelengths [R] . Kong, J. A., Shin, R. T. 1980

机译：毫米波长下雪的后向散射和发射率预测

Airborne retrievals of snow and ice surface emissivity at millimeter wavelengths

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