Precipitation is a key determinant of plant productivity in forest, whilst in arid regions there is an approximately liner increase in primary productivity with increasing precipitation.
降雨量是森林植物生产量的关键决定因子，而在干旱地区，初级生产量随降雨量的增加大致是一个线性增长。
For forest watershed and shrub watershed, the annual mean runoff coefficient was affected by mean annual precipitation, mean annual evapotranspiration and mean slope grade.
对于森林流域和灌木流域，其多年平均径流系数主要受多年平均降水量、多年平均蒸散量和平均坡度共同影响；
As an important component in hydrological process, forest vegetation influences critically the spatial distribution of hydrological fluxes such as precipitation, evapo-transpiration, and runoff.
森林植被层作为水文环境要素，对降水、蒸散和径流等水文通量在空间上的分布特征有着重要的影响作用。
The vegetation in forest area, in which has the highest vegetation index, the impact of annual change of precipitation on surface vegetation was slight.
对于林区植被，降水的年际变化对地表植被的影响比较小，森林区植被指数最高；
It's found that the major factors affecting the forest growth are temperature, stand age, precipitation and soil depth.
发现影响林分生长的主要因子是温度、降水量和土壤厚度。
The capacity of forest water conservation is calculated according to precipitation and runoff characteristic parameters in the area.
利用区域降水量和产流特征参数，计算了长江上游森林涵养水源能力。
If more effect factors such as precipitation and forest scale are considered, the forest-fire model gets better accordance with actual forest fire data.
当考虑降水、森林尺度等更多火灾影响因素时，森林火灾模型的计算结果与实际数据符合得更好。
After forest fire, the ability to regulate the water circulation of forest was reduced, and the changes in streamflow depended on the precipitation even more.
火烧后，森林对水分循环的调控能力减弱，径流的变化更加依赖于降雨。
The cycles of forest fire characters are closely related to that of annual averaged temperature and precipitation.
林火特征的周期与年均温、年降水量的周期关系很大。
The depth of ground water was greatly influenced by topography, precipitation and forest type.
潜水埋深受地形、降水和林分影响较大。
The result shows that higher air temperature and fewer precipitation in winter and spring, and long-term drought are the primary climate background of the fatal forest fire in the south of Gansu.
结果表明：冬、春季气温偏高、降水偏少，持续数月干旱是甘肃南部发生重大火灾的主要气候背景。
The forest crown interception precipitation, the penetration speed of soil, and the surface runoff of Larix Kaempferi forests in Funiu Mountain in Western Henan Province were measured in this paper.
测定了豫西伏牛山区日本落叶松林的林冠截流降雨、土壤渗透速度和地表径流。
The forest crown interception precipitation, the penetration speed of soil, and the surface runoff of Larix Kaempferi forests in Funiu Mountain in Western Henan Province were measured in this paper.
测定了豫西伏牛山区日本落叶松林的林冠截流降雨、土壤渗透速度和地表径流。
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