积雪属性非均匀性对被动微波遥感积雪的影响

doi:10.11873/j.issn.1004-0323.2013.1.27

閬ユ劅鎶�鏈笌搴旂敤鈥衡�� 2013, Vol. 28 鈥衡�� Issue (1): 27-33.DOI: 10.11873/j.issn.1004-0323.2013.1.27

鈥� 妯″瀷涓庡弽婕� 鈥� 涓婁竴绡� 涓嬩竴绡�

绉洩灞炴�ч潪鍧囧寑鎬у琚姩寰尝閬ユ劅绉洩鐨勫奖鍝嶎��

杞︽稕

(涓浗绉戝闄㈠瘨鍖烘棻鍖虹幆澧冧笌宸ョ▼鐮旂┒鎵�,鐢樿們鍏板窞 730000)

鏀剁鏃ユ湡:2012-05-22 淇洖鏃ユ湡:2012-11-15 鍑虹増鏃ユ湡:2013-02-20 鍙戝竷鏃ユ湡:2013-06-21
浣滆�呯畝浠�:杞︽稕(1976-),鐢�,闄曡タ鍛ㄨ嚦浜�,鍓爺绌跺憳,涓昏浠庝簨鍐板喕鍦堥仴鎰熺爺绌躲�侲mail:chetao@lzb.ac.cn銆�
鍩洪噾璧勫姪:
鍥藉鑷劧绉戝鍩洪噾椤圭洰“闈炲潎鍖�鏉′欢涓嬬Н闆井娉㈣緪灏勭壒鎬ц娴嬨�佺悊瑙ｄ笌妯℃嫙”(40971188)璧勫姪銆�

Impacts on Passive Microwave Remote Sensing of Snow from Heterogeneities of Snow Properties

Che Tao

(Cold and Arid Regions Environmental and Engineering Research Institute,顎�
Chinese Academy of Sciences,Lanzhou 730000,China)

Received:2012-05-22 Revised:2012-11-15 Online:2013-02-20 Published:2013-06-21

鎽樿/Abstract

鎽樿锛�

绉洩灞炴�х殑闈炲潎鍖�鎬у湪姘村钩鏂瑰悜涓婅〃鐜颁负鍍忓厓鍐呯Н闆湭瀹屽叏瑕嗙洊鍜岄洩娣卞垎甯冪殑涓嶅潎鍖�,鍦ㄥ瀭鐩存柟鍚戜笂琛ㄧ幇涓虹Н闆墫闈笂绮掑緞鍜屽瘑搴︾殑涓嶄竴鑷村鑷寸殑绉洩鍒嗗眰鐜拌薄銆傝繖浜涚Н闆睘鎬х殑闈炲潎鍖�鎬у琚姩寰尝閬ユ劅鍙嶆紨闆繁鎴栭洩姘村綋閲忓甫鏉ュ緢澶х殑涓嶇‘瀹氭��,骞朵笖缁欏弽婕旂粨鏋滅殑楠岃瘉甯︽潵涓嶇‘瀹氭�с�傞�氳繃閲庡绉洩鐨勫井娉㈣緪灏勭壒鎬ц娴嬨�侀仴鎰熺Н闆骇鍝佸姣斿垎鏋愩�佺Н闆緪灏勪紶杈撴ā鍨嬫ā鎷熷杩欎簺闂杩涜闃愯堪鍜屾帰璁�,涓轰粖鍚庣Н闆井娉㈤仴鎰熷弽婕旂畻娉曞彂灞曞拰缁撴灉楠岃瘉鎻愪緵鍙傝�冦��

鍏抽敭璇�: 绉洩, 閬ユ劅, 寰尝, 闈炲潎鍖�鎬�

Abstract:

Heterogeneities of snow properties include the variation of snow depth and the snow cover fraction in the horizontal direction and the variation of grain size and density within a snowpack profile in the vertical direction.These heterogeneities produce great uncertainties to the snow depth or Snow Water Equivalent (SWE) retrieval from passive microwave data,as well as the validation of the results.In this study,we illustrate and discuss these problems based on the field observations of snow microwave radiation characteristics,the comparison of different snow remote sensing products and the modeling of snowpack radiation transfer characteristics,which will provide reference for the algorithm development of microwave remote sensing of snow and result analysis and validation.

Key words: Snow cover, Remote sensing, Microwave, Heterogeneity

涓浘鍒嗙被鍙�:

TP 722.6

杞︽稕. 绉洩灞炴�ч潪鍧囧寑鎬у琚姩寰尝閬ユ劅绉洩鐨勫奖鍝嶎�僛J]. 閬ユ劅鎶�鏈笌搴旂敤, 2013, 28(1): 27-33.

Che Tao. Impacts on Passive Microwave Remote Sensing of Snow from Heterogeneities of Snow Properties[J]. Remote Sensing Technology and Application, 2013, 28(1): 27-33.

鍙傝�冩枃鐚�

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绉洩灞炴�ч潪鍧囧寑鎬у琚姩寰尝閬ユ劅绉洩鐨勫奖鍝嶎��

Impacts on Passive Microwave Remote Sensing of Snow from Heterogeneities of Snow Properties

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