surface wind speed 中文意思是什麼

surface wind speed 解釋
地面風速
  • surface : n 1 表面;地面;水面;廣場,空地。2 外觀,外表,皮毛。3 【幾】面;切口;【航空】翼面。adj 表面的...
  • wind : n 1 風;大風,暴風;氣流;【機械工程】壓縮空氣。2 【航海】上風;風向;〈古語〉〈pl 〉方向。3 氣息...
  • speed : n 1 快,迅速。2 速率,速度。3 (汽車的)變速器,排擋。4 (膠片,照相紙)感光速度。5 〈古語〉興隆...
  1. From 1200 utc surface wind direction 150 degree south - southeasterly winds ; wind speed 15 knots ; visibility 10 km or above ; nil significant weather ; broken cloud at 2000 feet and broken cloud at 10000 feet

    由1200utc開始,地面風向為150度東南偏南風,風速15海里小時能見度10公里或以上並無顯著天氣狀況2000尺有疏鬆雲層, 10000尺亦有疏鬆雲層
  2. From 1200 utc surface wind direction 150 degree ( south - southeasterly winds ) ; wind speed 15 knots ; visibility 10 km or above ; nil significant weather ; broken cloud at 2000 feet and broken cloud at 10000 feet

    由1200utc開始,地面風向為150度(東南偏南風) ,風速15海里小時;能見度10公里或以上;並無顯著天氣狀況; 2000尺有疏鬆雲層, 10000尺亦有疏鬆雲層
  3. Temporarily between 0800 utc and 1200 utc surface wind direction 170 degree ( south - southeasterly winds ) ; wind speed 25 knots gusting to 40 knots ; visibility 1000 m in thunderstorm with moderate rain ; scattered cloud at 1000 feet including cumulonimbus cloud and broken cloud at 2000 feet

    在0800utc至1200utc之間,地面風向間中為170度(東南偏南風) ,風速25海里小時,陣風達40海里小時;能見度在雷暴及和緩雨勢中為1000米; 1000尺有零散雲層,包括積雨雲, 2000尺有疏鬆雲層
  4. It is shown that the error could be rather remarkable in some extreme situations and could be neglected in the others. the variance of parameters inside pixel, contexture of the pixel and the surface wind speed are the controlling factors of the scaling error

    結果表明亞像元狀態和結構是像元尺度誤差的主導因素,風速變化對尺度誤差有明顯的影響,不論何種形式的非均勻性,都須遵循相同的尺度擴展步驟,以達到消除誤差的目的。
  5. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式,根據參數化方法對波浪破碎導致的能量耗散率進行了估計,通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響,計算了不同風應力強迫下的混合層流場結構和湍能量收支(下述給出的結果是取風速為20m s得到的) 。
  6. 3 analyzing particle size of the wind - blown sediment and surface soil indicate that the former in 0. 02mm - 0. 2mm occupy about 40 % and 55 % of sloping field and shoaly land of bashang, which shows that bashang is the erosion and desertification region or the latency. 4 the search of decreasing effect of wood strap indicates that in lower wind speed the effect is distinct

    3風蝕物及表層土壤顆粒粒徑分析表明,地表200cm高度內風蝕物粒徑在0 . 02mm 0 . 2mm之間;壩上地區坡梁地與灘地該粒徑范圍顆粒分別佔40和55左右,說明壩上地區是風蝕沙化或潛在風蝕沙化地區。
  7. Surface wind direction 130 degree east - southeasterly winds ; wind speed 18 knots

    地面風向為130度東南偏東風風速18海里小時
  8. Surface wind direction 130 degree ( east - southeasterly winds ) ; wind speed 18 knots

    地面風向為130度(東南偏東風) 、風速18海里小時
  9. The methods reported by g. s. young in 2000, are applied on sea surface sar images featured by three dimensional convective cells. then the following parameters are retrieved from sar images : the characteristic wave length of three dimensional convective cell, the mabl depth, the vertical convective scale velocity, the surface buoyancy flux, obukhov length and the stability correction factor for sar derived sea surface wind speed

    針對海洋大氣邊界層中三維對流渦旋sar圖像,用g . s . young在2000年發表的方法,反演三維對流渦旋的特徵長度、海洋大氣邊界層高度、以及海洋大氣邊界層垂直對流尺度速度、表面浮力通量、海面風速穩定性校正因子和obukhov長度。
  10. The dynamic characteristics of evaporation process for naphtha and crude oil were researched in three aspects of different wind speed, evaporation area and relative location of evaporation surface to ground in wind tunnel

    摘要從環境風速、蒸發面積和蒸發液池與地面相對位置3方面分別對石腦油和原油的蒸發動力學特性進行了風洞實驗研究。
  11. The result that the experimental sector has stable wind flow and the characteristic of wind speed which makes the wind speed more consistent with real condition of the surface of land has the rule of logarithm, which is matched with the requirement of wind erosion experiment

    通過試驗驗證,風洞實驗段具有穩定的氣流場,且風速廓形滿足對數規律,符合自然大氣近地面層的風速特徵,說明風洞滿足風蝕試驗要求。
  12. Regional photochemical reaction is weak over this area, to a great extent, the atmospheric background condition influences to the variation of surface o3, tthe variation of vertical wind speed is significant to surface o3, from seasonal distribution of vertical wind, it appears upward air current in winter, spring and autumn, repectively, while it is mainly downward in summer, it is favorable to the o3 transport from stratosphere layer. at walilguan, the variation of humidity impacts a little on surface o3, the relationship between surface o3 and wind speed is relatively complicated, by correlation statistic analyze, it is sure that the wind speed is not one of the important factor

    ( 2 )瓦里關地區局地光化學反應較弱,地面o _ 3在很大程度上受大氣背景狀況的影響; ( 3 )垂直風變化對地面o3日變化影響較大,從垂直風季節分佈看,春、秋、冬三個季節為上升氣流,而夏季下沉氣流則很旺盛,這種分佈有利於平流層o _ 3向下的輸送; ( 5 )濕度對地面o _ 3貢獻並不明顯; ( 6 )各季節水平風速與地面o _ 3之間的關系較為復雜,不同季節相關分析表明,水平風速並不是影響地面o _ 3變化的主要因子之一。
  13. Surface wind direction 240 degrees west - southwestly winds, wind speed 15 knots, gusting to 25 knots

    地面風向為240度西南偏西風風速15海里小時陣風達25海里小時
  14. Surface wind direction 240 degrees ( west - southwestly winds ), wind speed 15 knots, gusting to 25 knots

    地面風向為240度(西南偏西風) 、風速15海里小時、陣風達25海里小時
  15. Temporarily between 0800 utc and 1200 utc surface wind direction 170 degree south - southeasterly winds ; wind speed 25 knots gusting to 40 knots ; visibility 1000 m in thunderstorm with moderate rain ; scattered cloud at 1000 feet including cumulonimbus cloud and broken cloud at 2000 feet

    在0800 utc至1200 utc之間,地面風向間中為170度東南偏南風,風速25海里小時,陣風達40海里小時能見度在雷暴及和緩雨勢中為1000米1000尺有零散雲層,包括積雨雲, 2000尺有疏鬆雲層
  16. Surface 48 - hr forecast weather map - wind speed wind direction

    48小時地面預測天氣圖-風向及風速
  17. Surface 60 - hr forecast weather map - wind speed wind direction

    60小時地面預測天氣圖-風向及風速
  18. Comparison of fitting results of four distribution functions to asymptotic distribution of yearly maximum surface wind speed over chengdu

    成都地面風速年極值的4種分佈函數擬合結果的比較
  19. The estimated daily evapotranspiration is mostly affected by diurnal variations of surface wind speed and overpass of clouds, and more detailed and intensive research works are to be carried out to obtain more reliable daily water evaporation loses

    風速變化和雲的干擾依然是時間尺度擴展中遇到的主要問題,由於難度較大,這方面的研究還需要更多,更細致的工作。
  20. The information is generated by the observatory s high - speed computer using physical models and mathematical equations to simulate the evolution of weather systems. the computer simulations are presented as maps showing the surface temperature, surface wind speed and wind direction, mean sea level pressure and the state of the sky at various locations

    這些預測資料是利用天文臺高速電腦根據物理定律及數學方法計算出來的,以天氣圖顯示,內容包括地面溫度、地面風向及風速、平均海平面氣壓及天氣的大致情況。
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