Investigation of near surface wind by optical images of wind-roughed water surface

被引：0
|
作者：
Titov, V. I. [1 ]
Bakhanov, V. V. [1 ]
Luchinin, A. G. [1 ]
Repina, I. A. [2 ]
机构：
[1] Russian Acad Sci, Inst Appl Phys, 46 Ulyanov St, Nizhnii Novgorod 603950, Russia
[2] Russian Acad Sci, AM Obukhov Inst Atmospher Phys, Moscow, Russia
来源：
REMOTE SENSING OF THE OCEAN, SEA ICE, COASTAL WATERS, AND LARGE WATER REGIONS 2014 | 2014年 / 9240卷
关键词：
SEA-SURFACE; RADIANCE; SKY;
D O I：
10.1117/12.2067299
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
The method of retrieval of wind speed from sea surface image under diffuse sky illumination is developed. The method consists of two stages: firstly the rms slope is determined by fitting modeled radiance with sought rms slope to measured sea surface radiance and secondly wind speed is determined using the Cox and Munk relation between mean square slope and wind speed. An analytical model of sea surface radiance for visible light is developed taking into account shadowing of surface waves for grazing view geometry. The method was applied to investigation of the structure of near surface wind fields in.atabatic wind flows for ranges from hundreds meters to ten kilometers.
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页数：8
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