潛熱通量 的英文怎麼說
中文拼音 [qiánrètōngliáng]
潛熱通量
英文
latent heat flux-
There are negative latent and sensible heat fluxes in south and east of the cyclone central area after it moved to ocean
氣旋出海后在氣旋中心區南方和東方存在負潛熱通量和感熱通量區。The distribution and variation of latent and sensible heat fluxes of the cyclones were discussed based on the numerical simulation
在數值模擬基礎上重點討論了出海氣旋發展過程潛熱通量和感熱通量的分佈及其演變情況。The fifth chapter sum up the article and view the work. the simulation results indicate : ( 1 ) exchanging of sea - air and force of dynamical and thermodynamic processes is very important to bring and maintain sea surface wind. shf is mostly energy sources and lhf is negative effect in some area
模擬結果充分表明: ( 1 )感熱和潛熱的海氣交換和動量交換(摩擦作用)對于海面風的發展和維持起著重要作用,潛熱加熱是海面風中最主要的能源,感熱通量在一武漢理工大學碩士學位論文定區域對海面風風場有負面影響。Net radiation absorbed by ice surface only account for 6 of that absorbed by the sea surface and it is consumed mainly by the processes of sensible heat exchange and ice melting, deficit part of the heat is compensated from the latent heat released when water vapor is frozen on ice surface and heat stored in ice
冰面吸收的凈輻射僅為海面的6左右,主要消耗于感熱輸送和冰面融化過程,不足部分由水汽在冰面上凝結釋放的潛熱和冰中的熱通量來補充。The half - year cycle of latent heat flux exists in the xisha area, with the maximum appearing in winter
西沙海面潛熱通量存在半年周期特徵,極大值也是出現在冬半年。In equatorial regions, the air - sea humidity difference is overestimated in whoi relative to pirata, which leads to the biases in latent heat flux
在赤道區, whoi對海氣濕度差的估計相對于pirata偏高,直接導致其對潛熱通量的估計偏差。Moreover, evapotranspiration consumes mainly net radiation on a clear day and sensible heat flux is greater than latent heat flux on a cloudy day above spring wheat field
在有植被覆蓋或裸地下墊面,晴天、陰天的凈輻射、潛熱、感熱及土壤熱通量均表現出了與平均狀況一樣的日變化特徵。( 2 ) based on gaining the surface parameters, to compare to diversified retrieve model to choose optimal one to retrieve net radiance flux, soil heat flux and latent heat flux, which settle the groundwork to calculate the regional et
在獲取地表參數的基礎上,反復對比前人各種遙感反演模型,選擇最佳模型對長江三角洲的區域凈輻射通量、土壤熱通量、潛熱通量進行了反演,為計算區域蒸散量奠定了基礎。It is found that the climatological mean of wind speed and air - sea humidity difference are both large, the variation of wind speed are almost in phase with air - sea humidity difference, yielding much larger or smaller latent heat flux. so the ocean release the most latent heat in its own winter of the two hemispheres when both wind speed and air - sea humidity difference are large
發現在南北兩信風區,風速和海氣濕度差的變化幾乎是同位相的,平均背景風速和海氣濕度差都較大,他們互相加強彼此對潛熱通量變化的貢獻,所以海洋潛熱損失最大是發生信風南北兩區的各自風速和海氣濕度差都較大的冬季。In the region north of brazil, although both wind speed and air - sea humidity difference have dramatic variations, the variation of latent heat flux is just ordinary in magnitude. the reason is that the variations of wind speed and air - sea humidity difference are out of phase with each other so that they decrease each other greatly
在巴西以北的暖水區,盡管海氣濕度差的變化和風速的變化都較大,但二者在區域內總是反相,彼此削弱了對潛熱通量變化的貢獻,所以該區潛熱通量的變化振幅較小,最終由風速的變化主導潛熱通量的變化。Especially, global transformation, the water balance, carbon balance and drought forecast in district, etc, which all require quantitative surface flux. by all appearances, these fluxes all do n ' t need to be distributed in spots, but in area
尤其全球變化、區域水分平衡、碳平衡和區域旱災預報等等都需要定量的地表通量信息(輻射通量、顯熱通量、潛熱通量、土壤熱通量) 。顯然,這些通量均要求區域分佈的而不是單點數據。Similarly, the net radiation on a cloudy day is mainly used up evaporation of soil. the integrated value of soil heat flux is negative on a cloudy day and that shows the soil emits the heat, which is different on a clear day. in short, average latent, sensible and soil heat flux is 67 %, 21 % and 6 % of net radiation respectively
在裸地下墊面時,晴天潛熱佔到凈輻射的60 ,顯熱交換只佔到19 ,在陰天凈輻射同樣主要消耗于土壤蒸發,與晴天不同的是在陰天土壤熱通量積分值小於零,表明土壤在向外釋放熱量;平均狀況下,潛熱、顯熱和土壤熱通分別佔到凈輻射的67 、 21和6 。Of the currently available coolers for electronic products with a high heat flux, microchannel heat sinks have been proved to be able to provide the best heat transfer performance and are one of the most promising coolers. the manifold microchannel ( mmc ) heat sink has many advantages such as low thermal resistance, compact structure, little amount of coolant, low flow rate, uniform temperature distribution along the flow direction and many others, so it is able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference
在目前高熱通量電子產品冷卻器中,微通道熱沉已被證實是傳熱性能最佳且最具應用潛力的冷卻方式之一,而歧管式微通道熱沉因具有低熱阻、結構緊湊、所需冷卻液量小、沿流動方向溫度分佈均勻等優點則成為減小電子元器件換熱表面最高溫度、降低溫度變化的一種有效方法。The results show that the local average temperature and average surface temperature will rise, and both daily difference will rise, too. average sensible heat flux and its daily difference will also increase while average latent heat flux and its daily difference will reduce after the vegetation degration of some area in the west of liaoning province ; the average temperature will raise 0 - 0. 5, average surface temperature will raise 0 - 1. 0, average sensible heat flux will increase 5 - 40w / m2, about 8 - 55 % and average latent heat flux will reduce 5 - 60w / m2, about 4 - 48 %
模擬結果表明:在遼西部分地區植被退化后,當地6 、 7 、 8三個月的夏季平均氣溫和平均地面溫度升高,兩者的日較差增大,平均感熱通量及其日較差也增大,平均潛熱通量及其日較差減小;平均氣溫升高0 0 . 5 ,平均地面溫度升高0 1 . 0 ,平均感熱通量增大5 40w / m ~ 2 ,約8 55 ,平均潛熱通量減小5 60w / m ~ 2 ,約4 48 。In equatorial region, the mean air - sea humidity difference is much smaller, so the variations of air - sea humidity difference under large mean wind speed dominate the variations of latent heat flux. the ocean release the most heat during the period from march to may, when sst is highest in the whole year because sst dominates the variation of air - sea humidity difference
在赤道冷舌區,平均的背景海氣濕度差比較小,所以平均風速背景下的海氣濕度差的熱帶大西洋海表潛熱和感熱通量的季節和年際變化研究變化主導該區的潛熱通量的變化。In short, through retrieving the parameter such as surface albedo, surface temperature and surface emissivity, all the energy flux such as net radiance flux, soil heat flux and latent heat flux can be computed in sequence further, then latent heat flux which provide energy for et can be computed based on energy balance equation, finally instantaneous et and daily et can be obtained
總之,根據地表能量平衡方程,通過計算對地表反照率、地表溫度、地表比輻射系數、歸一化植被指數等參數進行反演,進一步計算出了地表凈輻射通量,土壤熱通量和潛熱通量,最後獲得了遙感影像成像時的瞬時蒸散及當天的總蒸散量。Some variables regional distribution over south ningxia is given out in the course of evapotranspiration estimation : the regional distribution of surface characteristic parameters ( normalzed difference vegetation index, surface albedo, surface temperature ), radiation balance components ( surface absorbed shortwave radiation, surface longwave radiation, atmospheric counter radiation, net radiation ), surface heat and balance components ( soil heat flux, sensible heat flux, latent heat flux )
估算區域蒸發(散)量的過程中,得到許多有意義的量:地表特徵參數(植被指數ndvi 、地表反射率、地表溫度) ;地表輻射平衡各量(地表短波吸收輻射、地表長波輻射、大氣逆輻射、地表凈輻射) ;地表熱量平衡各量(土壤熱通量、顯熱通量、潛熱通量) 。A family of frontal cyclones over the western atlantic ocean. part ii : parameter studies. zhang da - lin, radeva, ekaterina, gyakum, john. monthly weather review, 127 ( 8 ) : 1745 - 1760
進行了一系列敏感度試驗,從而考察了潛熱加熱、地面磨擦和地面熱通量對西大西洋上一鋒面氣旋族發展的相對影響。In climatological itcz, the mean air - sea humidity difference is greater relatively so that the variation of wind speed under large mean air - sea humidity difference is the main factor influencing the variation of latent heat flux. the latent heat loss is greatest from june to august when the wind speed is largest in the region
在氣候平均的工tcz區,平均的背景海氣濕度差比較大,所以平均海氣濕度差背景下風速的變化主導潛熱通量的變化,因此該區潛熱損失最大值發生在風速最大的6一8月份。A very much different fluxes model was suggested for remote sensing estimation, which takes account of the effects of advections in vertically or horizontally anisothermal vegetations. the inter - exchange of heat can result in lower total sensible heat flux and higher total latent heat flux of the considered areas. this method is designed technically for the simulations of pixel, is a try of new generation effluxes model
針對遙感基於像元計算的特點,提出一種全新的通量計算方法,模型的結構和思路專為遙感像元面上計算的特點而設計,主要考慮由地表非均勻和不連續性引起的像元內部熱量交換? ?局地微平流對顯熱和潛熱通量的影響,驗證表明,這種考慮平流的非均勻模型可以較好地模擬地表非均勻狀態下的熱量通量。分享友人