影响深圳的热带气旋数量减少,但降水强度在加大。
The frequency of the tropical cyclone influencing Shenzhen has decreased, but its impact on heavy rainfall become more serious.
在中国东部,平均降水强度极值出现的范围趋于扩大。
In eastern China, much above normal mean intensity of precipitation tends to increase.
本文用距离加权方法校准天气雷达估算降水强度和区域降水量。
This article deals with a distance weighing method through which the rainfall intensity and the area precipitation amount detected by weather radar are adjusted.
而当云体温度低并且含水量很少时,微粒并不能增加云体的厚度和降水强度。
In contrast, aerosols did not increase the thickness or precipitation intensity of clouds which had cold bases and no ice.
强降水期间,中高层弱冷空气侵入使对流加强和降水强度加大。
During the severe precipitation, intruding of weak cold air in the mid-and upper-level makes convection strengthened and precipitation reinforced.
本文关于中国夏季日降水强度的分析,是以对国民经济服务为目的的。
The analysis of summer rainfall intensity in China is carried on for the purpose of practical application of climatic data to the natural resources development.
还以实际降水数据检验了降水强度的指数分布,在此基础上求出了模型的解。
Then based on the exponential distribution of precipitation the model was solved to give the equivalent precipitation of each level in the landscape.
本文从熵极大原理出发导出了在一次降水过程中降水强度与其历时为负指数关系。
Under a very simple constrain from the Maximum Entropy Principle, we found that an intensity-duration relation of Precipatation processes obeys negative exponent law.
台风及西风槽强度的改变将直接导致中尺度系统强度的变化,从而造成降水强度的不同。
Furthermore, intensity changes of westerly trough would directly lead to intensity changes of mesoscale systems and thus lead to different rainfall.
降水积水的严重程度不仅与降水强度相关,也与累积降水量和降水持续时间的长短有关。
The severity of waterlogging is not only related to the rain intensity, but also associated with the cumulated precipitation and the precipitation duration.
近50年来,这个县温度上升,降水减少,但降水强度却有所增加,使得局部洪涝灾害加重。
In the last 50 years, the county had become hotter and less humid, but the precipitation intensity increased, causing regional floods.
云滴谱的不确定性能够引起最大超过10%的平均降水强度的改变,而且其差异在白天比夜间更明显。
The maximum change of mean rainfall intensity is over 10% due to CDSU and difference among experiments is more obvious in the daytime than at night.
长江上游降水强度也存在年代际变化,区域平均的弱降水天数和中等强度降水天数都呈现减少的趋势。
The interdecadal variation of rainfall intensity shows that the regional mean days of small precipitation and middle precipitation have a decreasing trend over the upper reaches of Yangtze River.
设置地形缓冲区并不改变模拟降水分布格局,但对主要降水区各降水时段降水强度的模拟有不同程度的改进。
It also shows that the quantitative precipitation simulation is improved with the buffer zone, whereas there is no significant change in precipitation scenario, especially in northern part of China.
而当降水强度较大,以致使土壤水分大于田间持水量时,超过田间持水量部分的土壤水会很快流往较低的台阶。
However, when precipitation rate is large enough and soil water goes beyond the field capacity, the excessive soil water will flow laterally to the lower levels through noncapillary pores.
在卫星云图降水分析中,针对降水天气和降水强度具有明显的“模糊”特性,提出了云图降水的模糊推理模型。
Given the fuzzy characteristic of rainfall weather and intensity, a fuzzy inference model of rainfall distribution and intensity of satellite cloud images was proposed.
改进了热带气旋暴雨的落区及降水强度,且主要落区误差的修正位于热带气旋移动路径的右侧并同主要的SST降温区相关;
The distribution and intensity of mesoscale rainfall are improved, with main distribution correction lying on the right of cyclone track and correlating with SST dropping area.
最终,模式在整体系统误差上取得较大改进,对流层顶的温度场和风场误差明显减小,降水结构和降水强度显著改进,并且未见“双赤道辐合带”的现象。
Precipitation is dramatically improved both in the amount and the structure. Another advantage is that the false structure of "double Intertropical Convergence Zone (ITCZ)"is not seen in the result.
寿绍文, 励申申.1996.1991年梅雨期江淮地区持续性暴雨降水强度的变化及其成因[J]。南京气象学院学报,19(2):199-203。
Shou Shaowen, Li Shenshen. 1996. Variation in rainfall intensity of 1991 heavy rain over Changjiang-Huaihe valleys and its formation[J]. J Nanjing Insti Meteor, 19(2):199-203.
寿绍文, 励申申.1996.1991年梅雨期江淮地区持续性暴雨降水强度的变化及其成因[J]。南京气象学院学报,19(2):199-203。
Shou Shaowen, Li Shenshen. 1996. Variation in rainfall intensity of 1991 heavy rain over Changjiang-Huaihe valleys and its formation[J]. J Nanjing Insti Meteor, 19(2):199-203.
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