包括土壤蒸发和植物蒸腾两部分。
蒸散包括土壤蒸发和植被蒸腾。
不同坡位间的土壤蒸发没有显著差异。
The soil evaporation between different section of slope has no significant difference.
土壤蒸发是地表能量与水分平衡的重要组成部分。
Soil evaporation is an important proportion of energy and water balance of soil surface.
沟灌耕层土壤蒸发损失的水分大于滴灌大于渗灌。
Compared with dripping and seeping irrigation, evaporation loss of water from topsoil is the most in furrow irrigation.
并分析了返青后土壤蒸发随叶面积指数变化的规律。
Besides, the variation of evaporation from soil as related to leaf area index has also been calculated and analyzed.
并分析了返青后土壤蒸发随叶面积指数变化的规律。
Besides, the variation of evaporation from soil as related to leaf area index...
讨论了目前土壤蒸发的测定和计算方法及主要影响因素；
The methods of the measurement of surface evaporation and influencing factors were discussed.
土壤蒸发与水热传输是地表能量与水分平衡的重要组成部分。
Soil evaporation and moisture and heat transport are important constitutes of energy and water balance of soil surface.
结果表明：黄土高原核桃林地土壤蒸发量与月均温呈正相关关系。
The results showed that soil evaporative capacity of walnut forest land was positive correlation to average temperature of month.
当土壤水分低于11%时，枯枝落叶层抑制土壤蒸发的作用很小。
The effect of restraining soil evaporation by litter is quite small when the water content in soil is less than 11%.
为研究不同粒径砂石覆盖对土壤蒸发过程的影响，进行模拟试验。
Simulating experiments were conducted to study the effects of sand and gravel mulches with different sizes on moisture evaporation from soil surface.
对兰州南北两山绿化区内的土壤蒸发状况，进行比较系统的试验研究。
We have systematically studied the soil water evaporation of planted vegetation in the southern and northern mountains of Lanzhou city.
用热平衡法研究两种杨树防护林减少土壤蒸发及田间表层土壤减盐作用。
By adopting heat equilibrium method, the paper studies the function of the two kinds of shelterbelts to decrease evaporation and saltness of surface soil in the farmland.
土壤含水量随时间的变化，主要受降水量和土壤蒸发与植被蒸腾耗水的影响。
Precipitation, soil evaporation and plant transpiration were the primary factors affecting soil moisture which variation with time.
5干热河谷典型的干热气候致使自由水面蒸发量是饱和土壤蒸发量3.35倍。
The amount of the water surface evaporation was approximately 3.35 times that of the saturated soil evaporation.
秸秆覆盖、中耕锄划、调控表层土壤根系分布等可作为减少土壤蒸发的有效措施。
Straw mulching, cultivating and hoeing, regulating the root distribution in the topsoil are effective measures to reduce the soil evaporation.
土壤蒸发主要受表层土壤含水量的影响，蒸发蒸腾随作物发育进程发生剧烈的变化。
Soil evaporations are mainly affected by surface soil moisture. Evapotranspiration change from the development process.
从日变化数据来看，植物蒸腾由于能消耗更深层次的水分，其强度的减弱要迟于土壤蒸发。
The data of daily-variety indicates the lowering of intension of plant transpiration is later than evaporation of soil surface, because transpiration can consume the deeper layer water.
土壤蒸发定量计算方法在水利、水文、农业、生态、环境、地理、气象等方面有广泛的应用基础。
The quantitative calculation method of soil evaporation is widely applied in the water conservancy, hydrology, agriculture, ecology, environment, geography and meteorology etc.
在土壤蒸发、叶片蒸腾、地下入渗中PS最高，在地表径流中ps最低，这与PS的孔隙度有关。
The soil evaporation, leaf transpiration rate and surface Infiltration of PS was highest, surface runoff was lowest, relating to porosity of PS.
农田秸秆覆盖后作物苗期棵间土壤蒸发明显减少，使旺盛生长期可利用水分增加，提高了水分的利用率。
Because soil evaporation was reduced obviously in the earlier stage of crop growth, available water was increased during flourishing stage of crops. So water use efficiency was increased.
全生育期内，作物蒸腾与棵间土壤蒸发比例平均为2.06左右，最大值出现在挑旗期，最小值在越冬期间，接近于0。
Theaverage of T/Es during the whole stages was about 2.06. The maximum of it appeared in Flag stage was about 7-8, and its minimum appeared in winter was close to zero.
不同覆盖物下土壤蒸发量差异显著，白天影响蒸发量大小的覆盖物依次是草炭土、煤渣灰、裸地、对照、河沙、锯末、豆秸。
The soil evaporation from the highest to the least was turf soil, coal cinder, CK, sand, sawdust and smash of straw successively.
通过在希拉穆仁草原典型地带进行不同材料覆盖的土壤蒸发实验，并以恢复生态学为指导思想，研究了不同材料覆盖对土壤水分的影响。
With restoration ecology as a guide, a soil evaporation experiment was conducted to analyze the effects of different material covers on soil moisture in the typical steppe zone.
秸秆覆盖能抑制土壤蒸发，增强作物蒸腾，从而提高作物水分利用效率，在旱地推广合理施肥和秸秆覆盖技术是提高作物产量的有效途径。
Mulch straw could increase WUE by reducing soil evaporation and increasing crop transpiration. The yield could be increased by using the technique of rational fertilizer a...
通过田间定位试验，研究了水泥硬壳覆盖对盐渍化土壤蒸发、作物蒸腾、土壤盐分变化、作物生长发育状况、产量及水分利用效率的影响。
The effects of concret mulching on evaporation, transpiration, evapotranspiration, soil salt, yields of cotton and corn, water use efficiency were studied by field experiments.
水蒸发留下盐分，形成白色的地壳层，阻止空气和水进入下面的土壤。
The water evaporates and the salts are left behind, creating a white crustal layer that prevents air and water from reaching the underlying soil.
水蒸发后，土壤表面留下一层盐。
As the water evaporates, a crust of salt is left on the surface of the soil.
随着气温升高，干旱的危险也会增加：即使降雨量不减少，蒸发量增加也能使土壤干燥。
Drought risk also increases with warming: even where rainfall does not decline, increased evaporation dries out the soils.
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