|
|
|
|
|
|
| A Kind of Snow Grains and Shape Parameters Retrieval New Algorithm Based on Spectral Library |
| WANG Jie1, 2, 3, HUANG Chun-lin1*, WANG Jian1, CAO Yong-pan1,2, HAO Xiao-hua1 |
1. Cold and Arid Regions Environmental and Engineering Research Institute, Lanzhou 730000, China
2. University of Chinese Academy of Sciences, Beijing 100049, China
3. College of Land and Resources, China West Normal University, Nanchong 637009, China |
|
|
|
|
Abstract Snow grain sizes retrieval accuracy was affected by many factors wile snow shape was an important factor. Asymptotic radiative transfer (ART) model used a digital simulation and asymptotic technology to simplify radiative transfer models, which was widely used to reverse snow grain. ART model considered two snow shape parameters, which depended on the snow grain shape and asymmetry (considering 3.62 for fractal particles; and 4.53 for spheres particles). In reversing snow grain processing of ART, the shape parameters were determined beforehand, but in nature snow particles might take on different shapes, and ART couldn't accurately reverse snow grain sizes with single shape parameter. In order to accurately reverse snow grain sizes, snow grain sizes and shape parameters must be obtained simultaneously. Based on ART model, a Look- Up- Table Minimal Angle model was proposed to solve the problem. The new model could obtain the shape parameter values and snow grain sizes simultaneously, solving the problem of determining shape parameter value beforehand, which determined the shape parameter values automatically. Experimental results showed that new model could accurately retrieve snow particle sizes, which were more consistent with field validation datas.
|
|
Received: 2014-01-13
Accepted: 2015-05-10
|
|
|
|
Corresponding Authors:
HUANG Chun-lin
E-mail: huangcl@lzb.ac.cn
|
|
[1] Wiscombe W J, Warren S G. J. Atmos. Sci., 1980, 37(2): 2712.
[2] Stamnes K, Tsay S C, Wiscombe W, et al. Appl. Opti., 1998, 27(12): 2502.
[3] Yang P, Liou K N. Appl. Opti., 1996, 35(33): 6568.
[4] Kokhanovsky A A，Zege E P. Appl. Opti., 2004, 43(7): 1589.
[5] Zege E P, Katsev I K, Malinka A V, et al. Ann. Glaciol., 2008, 49(1): 139.
[6] Lyapustin A, Tedesco M, Wang Y, et al. Remote Sens. Environ., 2009, 113(9): 1976.
[7] Kokhanovsky A A, Aoki T, Hachikubo A, et al. IEEE Trans. on Geosci. Remote Sens., 2005, 43(7): 1529.
[8] Warren S G，Brandt R E. J. Geophys. Res., 2008, 113：D114220.
[9] Freund Y, Shapire R E. J. Comput. Syst. Sci., 1997, 55(1): 119.
[10] Canty M J. Computers & Geosciences, 2009, 35(6): 1280.
[11] YANG Zhen-niang, YANG Zhi-huai, LIANG Feng-xian(杨针娘, 杨志怀, 梁凤仙). Journal of Glaciology and Geocryology(冰川冻土), 1993, 15(2): 235.
[12] Anderson G P, Pukall B, Allred C L, et al. Aerospace Conference Proceedings IEEE, 1999, 4: 177.
[13] Teillet P M, Guindon B, Goodenough D G. Canadian Journal of Remote Sensing, 1982, 8: 84.
[14] Mtzler C. J. Glaciol., 2002, 48(162): 461.
[15] Durand M, Edward K，Steven M. IEEE Trans. on Geosci. Remote Sens., 2008, 46(6): 1753.
[16] Wiebe H, Heygster G, Zege E P, et al. Remote Sens. Environ., 2013, 128: 11. |
| [1] |
PENG Qing-qing1, CHEN Song-chao2, ZHOU Ming-hua3, LI Shuo1*. Developing of Local Model From Soil Spectral Library With Spectral
Dissimilarity[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2022, 42(05): 1614-1619. |
| [2] |
CHEN Wen-qian1, 2, DING Jian-li1, 2*, WANG Xin3, PU Wei3, ZHANG Zhe1, 2, SHI Teng-long3. Simulation of Spectral Albedo Mixing of Snow and Aerosol Particles[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2020, 40(02): 446-453. |
| [3] |
WANG Jian-geng1,2, FENG Xue-zhi1,2, XIAO Peng-feng1,2*, LIANG Ji3, ZHANG Xue-liang1,2, LI Hai-xing1,2, LI Yun1,2 . Hyperspectral Remote Sensing Estimation Models for Snow Grain Size [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2013, 33(01): 177-181. |
| [4] |
HAO Xiao-hua1, WANG Jie1,2, WANG Jian1, ZHANG Pu3, HUANG Chun-lin1 . The Measurement and Retrieval of the Spectral Reflectance of Different Snow Grain Size on Northern Xinjiang, China [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2013, 33(01): 190-195. |
| [5] |
SHEN Jin-xiang1,2，CHEN Xi1*，YANG Liao1, BAO An-ming1，WU Xiao-bo1,2, WANG Jie1,2 . A Remote Sensing Band Simulation Approach Based on Image Spectral Library[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2011, 31(09): 2467-2470. |
| [6] |
XIA Jun1,2，TASHPOLAT·Tiyip1,2*，ZHANG Fei1,2，JI Hong-liang1,2 . Spectral Information System in Arid Areas Based on .NET and SuperMap[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2011, 31(07): 1878-1883. |
| [7] |
XU Da-qi1,2,NI Guo-qiang1,JIANG Li-li1,LI Ting1,GE Shu-le1,SHU Xian-biao1. Study on Exploring for Gas Based on Analysis of Spectral Absorption Features[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(11): 2150-2154. |
| [8] |
ZHANG Lu-da1，LI Jun-hui2，ZHAO Long-lian2，ZHAO Li-li2，QIN Fang-li2，YAN Yan-lu2 . A Basic Research to Share Fourier Transform Near-Infrared Spectrum Information Resource[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(08): 938-940. |
|
|
|
|
