被覆蓋地 的英文怎麼說

中文拼音 [bèide]
被覆蓋地 英文
covered field
  • : Ⅰ名詞1 (被子) quilt 2 (姓氏) a surname Ⅱ動詞[書面語]1 (復蓋) cover; spread 2 (遭受) suffe...
  • : 動詞1. [書面語] (蓋住) cover 2. [書面語] (底朝上翻過來; 歪倒) overturn; upset 3. 同 「復」 (Ⅱ1. 2. )
  • : 蓋名詞(姓氏) a surname
  • 覆蓋 : 1 (遮蓋) cover; overlap 2 (植被) plant cover; vegetation3 (保護層 覆蓋物) cover; covering; ...
  1. Based on the actual situation in the upper reaches of minjiang river, the main assessment factors such as strata structure, landform, vegetation covering eco - environment, surface water, ground water, agrotype and geological hazard are selected in this paper

    本文根據岷江上游的實際情況選取巖性構造、貌、植生態區、表水、下水、土壤類型及質災害等因素作為評價因子。
  2. This voluntary code addresses issues such as reduced pesticide use, water and energy conservation, waste reduction and recycling, controlling of erosion, the use of “ good bugs ” in the vineyard to kill the “ bad bugs ”, creating and maintaining a habitat for raptors and other wildlife around the vineyards, planting cover crops such as mustard grass and clover to replenish the soil with nutrients, improved farm worker housing, and other measures for making high quality wines in a responsible manner

    這個自主的規定公布了如減少殺蟲劑的使用,水和能量守恆,損耗的減少和再生,腐蝕的控制,利用葡萄園里有益蟲殺死有害蟲,創造和保護在葡萄園附近的鳥類和其他野生動物的生存環境,種植表的植如芥菜和三葉草補充土壤的養份,改善農場工人的住房,和其他能提高葡萄酒質量的有效的方法。
  3. This region contains areas which are primarily covered with either high density conifers or meadow hardwoods.

    區,主要的植是高度的針葉樹類或草闊葉樹類。
  4. The primary representations of the vulnerabilities of water resource in hengyang basin where is a typical hilly region with red and purple soils in south china are analyzed : the precipitation re source varies greatly in spatial and temporal distribution ; the soils and rock property are not in favor of water and soil conserving ; the structure of crops needs a high water consumption ; and the farm irrigation works are timeworn and frangible

    摘要以中國南方典型的紅壤和紫色土丘陵區衡陽盆為例,分析論述了衡陽盆表水資源脆弱性主要表現在:降水資源時空分佈不均勻;不利於水土保持的表物質組成和植;耗水量大的農業種植結構以及調蓄水功能弱的農田水利工程體系等方面。
  5. Occasionally the marks were hidden under tufts of myrtle, which spread into large bushes laden with blossoms, or beneath parasitical lichen. so edmond had to separate the branches or brush away the moss to know where the guide - marks were

    這些記號相當有規律,大概是故意留下來的,有幾處已化一叢叢鮮花盛開著的香桃木底下,或寄生的衣底下。
  6. The classified result show that the grass land of this region retrogressed badly in 2000 : the appreciable retrogression proportion of the grass land is 15 %, the moderate retrogression proportion is 15 % ; the serious retrogression proportion is 8 % ; the area of desert is 2755. 27km2 and the proportion is 19 %, which had increased about 88. 9 % in eight years

    度分類結果顯示, 2000年該區草退化比較嚴重: 21草輕度退化, 15的草中度退化, 8的草重度退化,土沙化面積為2755 . 27km ~ 2 ,比1992年增加了88 . 9 。
  7. To the influence of the plateau terrain, the impact of the elevation and the roughness of terrain to every energy component out and incoming are study, and basing the soil spectrum model proposed above, a new radiative transfer model of terrain area was put forwarded in which the soil water content, lai, terrain roughness and elevation were considered synchronously, and incoming scatter light was integral with the solid angle of semi - globe space defined by the slope of the pixel, so scattering lights of terrain and the sky are properly considered, but the operation is still within the acceptable range

    形與反射率的關系是本文研究的一個重點。本文對崎嶇山象元的各入射光和反(散)射光分量進行了深入分析,在所提出的濕潤土壤光譜模型和植冠層模型的基礎之上進一步提出了新的適合青藏高原的山輻射傳輸模型。該模型同時考慮了土壤含水量、植( lai ) 、形起伏和海拔高度的影響,並以象元坡面定義的半球空間立體角對環境入射光進行積分,使周圍形和天空散射光均得到適當考慮,計算量又在可接受范圍內。
  8. Deserts have expanded to overtake previously vegetated areas, accelerated in some cases by overgrazing of domesticated animals

    沙漠已經擴大,侵佔著先前的植被覆蓋地區,在某些區,由於過度放牧沙漠化的速度正在加快。
  9. Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in

    同時,研究還表明:調查洞穴的物種多樣性與人口密度、水質成負相關;在一定范圍內,物種多樣性與化肥施用量、土壤肥力成正相關,超過一定的值則成負相關;在人類對表植的高強度作用下,物種多樣性與植率的相關性不明顯;蚊蠅數量與土壤肥力基本上呈正相關;斑灶馬數量與植物種數呈正相關,斑灶馬數量與在一定水質范圍內與水質呈負相關,與土壤肥力呈負相關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的相關性;研究認為,可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾(或有尾類) 、魚類等作為指示動物對洞穴環境進行監測。
  10. V ) occupying space and covering ground should be served as the main strategy in early stage of vegetation restoration, which would enable the community coverage to rehabilitate rapidly. in mid - stage, due to the change of light environment and the species substitution, component adjustment should be chose as the main strategy

    5 )植恢復的策略是早期階段以搶占空間、面的對策為主,群落度恢復很快;中期階段,林內光照環境改變,物種替代,恢復對策以物種組成成分的調整為主;後期則是生物量積累與組成結構調整並重。
  11. In the control, even light rain could bring soil and water losses. while for orchard and costarica henryi forest, runoff and sediment yield both reduced greatly. regarding to chinese fir and enclosing and tending forests with favorable vegetative coverage, minimum soil and water losses were produced even by the rainstorm

    裸露(對照)小雨時也可能產生水土流失,而大雨以上降雨會產生嚴重水土流失;具有一定植且採取水土保持措施的果園和錐栗林的徑流量和泥沙量大幅度減少;而植良好的杉木林和封山育林即使大雨以上降雨也僅產生極輕微的水土流失。
  12. Vegetation fraction is a most important indicating to vegetation, and it is one of the most important factors of eroding soil

    度是衡量表植狀況的一個最重要的指標,也是影響土壤侵蝕與水土流失的主要因子。
  13. The study showed that n and p runoff concentrate in storm is higher that norm. with the cover level increasing and different utilization manners, losses of n and p nutrient showed notable divergence. ( 2 ) with the increasing of rainfall and rainfall intensity, losses amounts of runoff silt in fallow field, com field and orchard field showed rising, while was stable in grass field

    黑土徑流泥沙流失量,總的趨勢是隨降雨量、降雨強度增加,休閑、玉米、果園的流失量有增加的趨勢,而草泥沙流失量無增加的趨勢,基本衡定;徑流泥沙流失量及泥沙n 、 p流失隨植的增加而降低。
  14. The evapration of water area is calculated by et0 multiplied by kc ; and then the evapotranspiration estimation models for other categories ( singular underling surface ) are presented ; based on bare soil and dense grass models the evapotranspiration estimation models for partly grass covered surface is presented combined with vegetation fraction data. it is feasible and logical each categories using singular way and mean, the result of regional evapotranspiration over south ningxia is given

    將水體單獨處理,由參考作物蒸散乘以比例系數直接計算得出水體蒸發;建立了4種單一類型下墊面(裸區、草完全區、喬木林區、灌叢區)蒸散計算模型;對混合下墊面(草?裸區)區域蒸發(散)計算方法使用裸土和草完全蒸發(散)計算模型,然後結合植度給出。
  15. The middle and lower parts of woodland and grassland had higher soil water contents during rainy season, which resulted from smaller evapotranspiration and more infiltrated water with a lower gradient. however, upslope runoff infiltration was another reason for hillslope with a lower cover ratio, such as bare land

    雨季林草坡中下部土壤水分含量較高的原因,可能主要與其蒸散較小且坡度較緩導致入滲水量較多有關;但是對于植度較低的坡(如裸) ,坡中下部土壤水分含量較高還與上方來水有較大的關系。
  16. 4 ) soil nutrient of leguminosae also higher than non - vegetation soil ; while organic matter and available k increased, there was no significant change in total n ( it increased slightly ) ; available p and soil ph decreased

    4 )豆科植物較無植被覆蓋地,土壤養分朝著良性循環轉變。土壤有機質、速效鉀含量提高,全氮含量稍有增加,速效磷含量降低, ph值有所下降;這些變化主要發生在土壤表層。
  17. For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics

    利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對表土壤水分的敏感性,建立了半經驗植雷達後向散射模型; 2 ) .研究發現在農作物等矮小植被覆蓋地表,植層直接後向散射與植類型相關,且在植生長期,雷達後向散射系數對植含水量的敏感性要高於對植高度變化的敏感性; 3 ) .解決了單參數雷達表土壤水分反演問題中,雷達入射角和表粗糙度的影響這一難點問題; 4 ) .利用土壤介電模型校正了不同土壤類型對反演表土壤體積含水量的影響; 5 ) .在以上成果基礎上,建立了完整的單參數雷達表土壤水分變化探測反演演算法,經表驗證,模型反演表土壤水分變化值的精度為rmse = 0
  18. Using a simple radiative transfer model for vegetation volume scattering and the integral equation model ( ibm ) for surface scattering with the field in situ measurements as the input, we compared the simulated and sar measured backscattering coefficients in different agricultural fields

    特別是在植被覆蓋地表,對其下土壤水分的監測更帶有極大的困難性。因此,利用雷達後向散射系數反演土壤水分必須首先充分理解微波與表的相互作用過程。
  19. 2 ) radar incidence angle and surface roughness correction : to make radar incidence correction and eliminate the surface roughness effects, a wide range of surface parameters ( soil moisture, surface rms height, correlation length, incidence angle ) was input to the ibm model to simulate the effect of surface roughness and radar incidence angle on the sensitivity of soil moisture to the radar backscattering coefficient. a simple model was established to simulate the effects of incidence angle and surface roughness. 3 ) establishment of soil moisture change inversion model : according to a modified ibm model simulation results, the bare surface backscattering coefficients can be expressed as a funtion of the dielectric component for a given surface roughness when the surface slope greater than 2. 0, which is valid for most nature surface : in above equation, r0 is the surface reflectivity at normal incidence

    本研究中,首先利用基於微波輻射傳輸方程的微波植模型和積分方程( iem )模型模擬了各種表土壤水分含量情況下,植表粗糙度(包括表均方根高度和相關長度) 、雷達入射角對c波段(頻率4 . 7ghz )水平極化( hh )雷達後向散射系數的影響,在此基礎上,建立模型消除了植表粗糙度、及雷達入射角對雷達後向散射的影響,利用多時相50m解析度radarsatscansar雷達後向散射系數圖像反演得到了表土壤水分變化模式信息。
  20. 3 ) the soil moisture under the artificial community was twice that of non - vegetation slopes ; topsoil moisture increased by more that 200 % during the rainy season, but in the dry season the soil moisture under the introduced vegetation was close to or even lower than that of non - vegetation slopes

    : 3 )根據土壤含水量的分析,雨季植下土壤含水量比光坡增加約100 ,表層上則增加2倍以上;但旱季,喬木林土壤含水量與無植被覆蓋地相近甚至低於無植被覆蓋地
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