advection fog 中文意思是什麼
advection fog
解釋
海面霧-
Based on the fog drop size distribution model of radiation and advection fog, the backscattering characteristics of fog have been investigated and the empirical relations of the radar reflectivity factor and water content or visibility are obtained
對霧的雷達後向散射特性進行了分析和研究，得到了平流霧和輻射霧的雷達反射因子與含水量和能見度的經驗關系。 -
The fog attenuations at infrared wavelength are computed and analyzed with the fog drop size distribution model of radiation and advection fog, the empirical relation of fog attenuation with water content or visibility are obtained at 10. 6 urn wavelength, the relation for radiation fog have a good agreement with the relation obtained by experimental results
基於霧滴尺寸分佈模型，對霧的紅外輻射衰減特性進行了分析和研究，並給出了10 . 6 m紅外輻射衰減與霧的含水量或能見度的經驗關系，該經驗關系與實驗結果間有很好的一致性。 -
The results show that a warm high ridge at the middle level and transformed surface cold high over the plain provide a good background condition ; a cooling process produced by net surface radiation fluxes is the trigger and strengthening mechanism for the fog event ; the subsidence flow at the middle and low tropospheric levels is favorable for the setting - up and maintenance of stable stratification at the boundary layer and weak wind condition at the ground layer over the fog region ; the transportation of weak warm advection at lower levels and weak lift motion at the boundary layer play a very important role to the long maintenance of the fog event ; the intrusion of north wind accompanied by cold advection is a main dynamic factor of the fog dissipation
結果表明：在中高層暖性高壓脊及地面變性冷高壓穩定維持的大尺度背景條件下，地表凈輻射引起的近地層冷卻是大霧過程的觸發和加強機制；中低空下沉氣流的存在有助於近地層的弱風條件和穩定層結的建立；低層暖平流的輸入和邊界層的淺層抬升是大霧長時間持續的原因；伴隨冷空氣南下的偏北大風是驅使大霧消散的動力因子。 -
Based on the liquid water content and optical visibility, the method for determining the parameters of gamma drop size distribution model of fog and clouds are developed, the drop size distributions for advection and radiation fog are obtained with empirical relations of the liquid water content and the visibility, the characteristics of drop size distribution for different kinds of fog are analyzed and discussed
提出了利用雲霧含水量和能見度確定gamma雲霧滴尺寸分佈的方法，利用霧的含水量和能見度的經驗關系，得到了輻射霧和平流霧的霧滴尺寸分佈模型，並對不同類型霧的尺寸分佈特徵進行了分析和討論。
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