濕潤的土壤 的英文怎麼說
中文拼音 [shīrùndetǔrǎng]
濕潤的土壤
英文
damp soil-
3. the two species are suitable for growing in the cool, moist habitat with alkaline soil and sensitive to water
兩物種適宜生長在陰涼、濕潤、略呈堿性的土壤中,對水分因子特別敏感。Regard - ing the surface runoff mechanism, liang and xie 1, 2 presented a new surface runoff parameterization which dynamically represents both the horton and dunne runoff generation mechanisms within within a model grid cell together with a consideration of the subgrid - scale het - erogeneity, which can be applied to not only humid regions but also droughty regions as well 3, 4. regard - ing the soil water movement, xie et al. 5 developed an unsaturated flow numerical model based on the finite element method, and xie et al. 6 presented another numerical model to compute soil moisture and water flow flux together by means of a mixed finite element method
在地表徑流方面,文獻1 3發展了一種同時考慮蓄滿超滲產流機制及次網格非均勻性的新的徑流機制模型,並用其改進了陸面模式vic variable infiltration capacity中的徑流計算,該模型既適用於濕潤地區也適用於乾旱地區4 .在土壤水模型方面,文獻5採用有限元質量集中法發展了非飽和土壤水流的數值模型,文獻6則採用混合有限元法建立了非飽和土壤水分含量和通量計算的數值模型The estimation methods of water requirement, and determination of basal crop coefficient and soil evaporation coefficient under the controlled alternative furrow irrigation in summer maize were studied and verified in the fifth chapter
( 4 )夏玉米田棵間土壤蒸發主要發生在灌后幾天表層土壤比較濕潤的時期內,其中表層土壤含水率和葉面積指數是影響土面蒸發的兩個基本因素。This form has also accumulated in the subsurface horizons of many soils in humid regions.
這種鈣形態在濕潤地區許多土壤的亞表層也有累積。The soils ( paleudults ) consist predominantly of light brown fine loamy sand to fine sandy loam changing with depth into a brown sandy clay loam and sandy clay with red mottles
土壤(強發育濕潤老成土)主要為淡棕色細壤質砂土到細砂質壤土,隨著深度增加,土壤變為棕色砂質粘壤土和帶有紅色斑點的砂質粘土。Setenaly according to the analyses from selected profiles, we know that, it is cold and dry in this region during the early holocene when east asian winter monsoon ' s influence is obvious, so, it is a transition period from sand deposit to sandy soil deposit, when the layers become thinner gradually from north to south. during middle holocene, it is warm and humid, influenced evidently by east asian summer monsoon, so, it is an obivious pedogenesis, when there are generally well - developped holecene palaeosol ( so ) from north to south, and the pedogenesis in the south is better than that in the north, the soil is also thicker than that of the north. from late holocene to now, the climate changes to be dry and cold, but its changing scope is smaller than that of last glacial period
2 、就所選剖面分析來看,本區在全新世早期氣候回返,相對較寒冷乾燥,東亞冬季風影響較明顯,此時為沙層堆積向砂質土壤過渡,自北至南堆積的沙粒漸細;全新世中期氣候溫暖濕潤,東亞夏季風影響顯著,此時為明顯的成壤期,表現在自北至南普遍可見發育較好的黑壚土層,且南部的成壤作用比北部好,土壤的厚度也要大;全新世晚期至今,氣候向乾冷方向轉化,但變化幅度遠小於末次冰期。The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them, which is therefore quite applicable to a extended area. ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas, and spatial changes are opposite pattern from the noth to the south and the west to the east. the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin, east of the qinghai - xizang plateau
但修訂過的zndx指數根據氣溫、土壤濕度及前期氣候濕潤度等因子能夠客觀的反映出西北地區的旱澇特徵。 ( 3 )西北地區季與年區域旱澇等級表明:西北地區的乾旱雨澇有顯著的階段性和年際變化特徵。 1980 』 s到1990 』 s中期,氣候較濕潤,土壤濕度增墑較明顯; 1990 』 s中期以後是40年乾旱最異常的時段; 1960 』 s旱澇交替發生,旱澇趨勢接近常年; 1970 』 s氣候雖乾旱,但沒有1990 』 s中後期顯著。An empirical solution of characteristic values of wetted solum under surface drip irrigation
地表滴灌土壤濕潤體特徵值的經驗解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
地形與反射率的關系是本文研究的一個重點。本文對崎嶇山地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被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地輻射傳輸模型。該模型同時考慮了土壤含水量、植被覆蓋( lai ) 、地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,使周圍地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。Evapotranspiration is the total evaporation from moist soil and from vegetated surfaces plus transpiration
濕潤土壤及植物表面的總蒸發量加上蒸騰量稱為蒸散量。The results show that : ( 1 ) soil moisture follows a - distribution over the discussed zone of the humid area in summer, but do distribution at the researched zone vicinity of oasis desert area in winter
結果表明: ( 1 )在研究區域不同類型的下墊面條件下,夏季土壤水分在濕潤研究區呈明顯的單峰偏態分佈,且以分佈擬合效果為最好;而在臨近綠洲的沙漠研究區則呈多峰分佈,冬季呈分佈。Results showed : ( 1 ) if the proportion of water in the soil is lower than wilting coefficient, and if irrigating water is very little, ( irrigating water is spreading horizontally and vertically ) the relationship between the horizontal width ( x ) and the ? rtical depth ( y ) is remarkable. the equation is y - 0. 02 12x2 + l. 8546x - 17. 88. the related coefficient is r = 0. 9350
結果表明: ( 1 )在土壤含水量低於萎蔫系數的乾燥條件下,進行微量穴滴灌,滴灌點土壤濕潤面直徑x與最大垂直面滲透深度y呈顯著相關,數學模型為: y = - 0 . 0212x ~ 2 + 1 . 8546x - 17 . 88 ,相關系數r = 0 . 9350 ( 2 )在微量補水灌溉情況下,只有灌水量大於4000ml /穴,才能使滴灌水滲透到20cm以下土層,達到作物根系集中層,否則水分很難被作物吸收,造成滴灌水的浪費。A leached soil formed mainly in cool, humid climates
灰壤,灰化土一種淋洗的土壤,主要形成於陰涼而濕潤的地帶Throughout history sustainable agriculture and mans welfare has been based on deep, rootable, living, nutrient rich and moist ( fertile ) soils
縱觀歷史,持續農業以及人們的福利建立在深厚、可紮根、具有活力、富含養分以及濕潤的土壤基礎上,用一句話概括建立在肥沃的土壤上。On the side of the street its frontage seemed to slumber, so lofty was it and dark, so sad and conventlike, with its great outer shutters, which were nearly always closed. and at the back in a little dark garden some trees had grown up and were straining toward the sunlight with such long slender branches that their tips were visible above the roof
房子的正面臨街,又高又黑,毫無生機,陰森得像座修道院,高大的百葉窗,幾乎總是關得嚴嚴的屋子的后邊,有一個土壤濕潤的花園,花園的一端,長著幾株樹,樹長得又高又細,彷彿在尋找陽光,枝椏高出了石板瓦屋頂。It concluded 56 that ferrisols aggregate breakdown was caused by the pressure produced by the entrapped air in the soil porosity when fast wetting, which indicated that ferrisols erosion was most severe in the sudden heavy rain in the nature
富鐵土團聚體的崩解主要是由土壤快速濕潤時,擠壓孔隙內的閉塞空氣而產生的壓力,說明富鐵土土壤在突降暴雨時侵蝕最嚴重。Levees are needed in floodplains, where soils tend to be wet and can change every 100 yards along a proposed route
?濫平原需要海堤,因為這里的土壤通常相當濕潤,同時築堤預定路線上的土質往往每隔100公尺就不一樣。( 2 ) after a rainfall, the soil moisture in the plot iii was the highest, it was 21. 33 %, and that of in the plot ii was the lowest ; meanwhile the conservation ability of the soil in the plot iii was the highest, that of in the plot ii was the lowest
第1 、 2小區產生的泥沙量也大於其餘兩個小區。 ( 2 )在一次降雨後的濕潤條件下,第3區的土壤耕作層含水量最高,為21 . 33 ;第4區次之,第2區最低。( 3 ) based on the experiments data, it has been found that if the emitter discharge of sdi was little, the depth of pipe buried should be shallow, and the distance between two micro holes should be chosen to equal or close the distance between two lateral pipes, if the emitter discharge of sdi was great, the pipe may be buried deeper, and the distance between two micro holes could be greater than the distance between two lateral pipes
根據一維土柱近似的濕潤輪廓線初步選定了工程設計參數。在地下滴灌灌水器出流量較小情況下,埋深應淺,孔距應選擇和毛管間距相等或接近;出流量大時,埋深可深,孔距大於毛管間距仍可獲得較均勻的土壤水分分佈。The results show that at least in summer half year ( from april to september ), the soil water content ' s spatial distribution obeys b - distribution or weibull - distribution, and the soil water content ' s pdf is suitable for moist climate region
結果表明,至少在夏半年( 4 - 9月) ,長江三角洲地區土壤水分空間分佈服從或weibull分佈,由此提出適用於濕潤氣候區的土壤水分pdf 。分享友人