| 光谱学与光谱分析 |
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| Research on Spectral Characteristics of the Water Content of Snow in the Northern Slope of Tianshan Mountain During Snow Melt |
| ZHANG Bo1, 2, LIU Zhi-hui2, 3, 4*, XU Qian1, 2 |
1. School of Resources and Environment Science，Xinjiang University，Urumqi 830046, China
2. Key Laboratory of Oasis Ecology, Ministry of Education，Xinjiang University，Urumqi 830046, China
3. Institute of Arid Ecology and Environment，Xinjiang University，Urumqi 830046, China
4. International Center for Desert Affairs-Research on Sustainable Development in Arid and Semi-arid Lands, Urumqi 830046, China |
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Abstract The research on water content of snow has the real meaning of the flow of runoff and flood in Spring. Our team got the original data from ASD and Snow Folk, meanwhile these data were anglicized and handled under the help of SPSS19.0 and Excel. The result shows that there are several valleys for the absorbing in visible and near-infrared region in the curve of spectrum characteristics; the spectrum characteristics and the water content of surface snow are negative correlated, and this kind of relation will change with the increase in wavelength, and there lies three minimum values of correlation in the visible and near infrared region. The prediction model wasconstructed, which lies in the visible light band, the result is positive, the model in the band of 350 nm has high-precision, reaching 75.9%, and there is high fitting degree of the predicted and measured values, while in the near infrared, the model constructed in the band of 1 204 nm holds the highest accuracy.
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Received: 2012-12-05
Accepted: 2013-03-10
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Corresponding Authors:
LIU Zhi-hui
E-mail: lzh@xju.edu.cn
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