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降水区     
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  precipitation area
     Application of NOAA AVHRR Data to Identification of Precipitation Area
     AVHRR卫星资料在层状云降水区判识中的应用
短句来源
     Using AVHRR data of NOAA polar orbiting meteorological satellite ,the image characters of precipitation cloud and precipitation area from CH3A(1.58—1.64μm) are analyzed.
     利用美国新一代极轨气象卫星AVHRR资料 ,分析了新增加的 1 58~ 1 6 4μm近红外 3A通道资料在地面降水区判识中的作用及降水云和非降水云的图像特征。
短句来源
     The vertical section of typhoon rainfall's constant potential temperature appears very obvious saddle type and the precipitation area is under the drooping area of high-level constant potential temperature.
     台风降水的等相当位温的垂直剖面呈明显的鞍形场分布,降水区对应着高层等相当位温线的下伸区。
短句来源
     For the precipitation amount and distribution, the precipitation area over the Bay of Bengal disappears and the amount in the coastal regions of East China and over the western Pacific decreases, even no precipitation takes place in the scheme without diabatic heating processes.
     对于降水分布和降水量来说,忽略非绝热物理过程可使孟加拉湾地区不出现降水区,我国东南部沿海地区以及西太平洋中的降水也被减少甚至消失。
短句来源
     the high value area of IPV was closely associated with the precipitation area,and the positive value area of IPV can reflect the movement of the cold air,thus it can be a significant predictor.
     等熵位涡高值区与降水区有较好的对应关系,IPV正值区能够反应冷空气的移动,具有较好的预报指示意义。
短句来源
  rainfall region
     The elements of vorticity , divergence,specific humidity, moisture flux divergence and K index etc. were benefited to the form and development of strom rainfall over the rainfall region.
     降水区上空的涡度、散度、比湿、水汽通量散度、K指数等要素有利于暴雨的形成和发展。
短句来源
     The elements of vorticity, divergence, specific humidity, moisture flux divergence and K index etc. were benefited to the form and development of storm rainfall over the rainfall region.
     降水区上空的涡度、散度、比湿、水汽通量散度、K指数等要素有利于暴雨的形成和发展。
短句来源
     (2) The horizontal pattern of positive conversion regions in the lower troposphere is in good coincidence with that of the accumulated rainfall region, while the negative conversion region in the upper troposphere is located at the northern flank of the accumulated rainfall.
     (2)能量转换函数的水平分布,在对流层下层其正转换区与过程降水区较为一致,而在对流层上层的负转换区则位于过程降水区的北侧.
短句来源
     Typhoons 8407, 8411 and 8504 are simulated with the PSU/NCAR mm4 model, then band-pass filtered flow field obstained from model output are analysed. It is found that there are strong convergence at the low layer of troposphere and marked divergence at upper layer over large area heavy rainfall causing by moist typhoon, while no mesoscale divergence at upper layer of troposphere occured over weak rainfall region causing by dry typhoon.
     首先对8407、8411和8504号台风进行了数值模拟,并详细分析了模式输出的带通流场,发现:在湿台风引起的大范围暴雨区,低层有强辐合,高层有显著的中尺度辐散,而在干台风产生的弱降水区,高层则无中尺度辐散气流。
短句来源
     Seen from the whole region,the Qinghai-Xizang Plateau situates in the Monsoon rainfall region,and has obvious local characters in the effect of East-Asia Monsoon,India Monsoon,Plateau Monsoon and Westerly system.
     青藏高原地区属季风降水区,在东亚季风、印度季风、高原季风和西风带系统的影响下,降水的局部特征显著。
短句来源
  rainfall areas
     It is shown by the factor analysis and cluster analysis of the monthly rainfall series of 33 weather stations in Jiangsu province for the mid-season months during the period of 1932-1981 that the province can be divided into two to four rainfall areas according to the characterictics of the rain-fall fields.
     本文利用因子分析和聚类分析方法,分析1932—1981年江苏省内33站的月降水资料,指出,根据月降水场的特征,江苏省可划分为2—4个降水区
短句来源
     Some statistical features for each of these rainfall areas are analyzed and studied.
     研究了每个降水区的统计特征。
短句来源
  “降水区”译为未确定词的双语例句
     Heavy precipitation mainly occurs at the place between the south side of the maximum disturbance wind field at high or middle levels(200hPa or 500hPa)and the north side of the maximum disturbance wind field at the low level(850hPa);
     降水区和暴雨中心主要位于高层200hPa和中层500hPa扰动风场极大值南侧与低层850hPa扰动风场极大值北侧之间。
短句来源
     Daily total sulfur depositions are 1.0~10.0mg/m2 with the peak value of 32mg/m2.Dry depositions are 1.0~5.0mg/m2 and wet depositions vary from 0.5 to 7.0mg/m2 with the biggest value of 22mg/m2 in the areas of heavy rain. 
     24h硫沉降量一般为1.0~10.0mg/m2,最大可达32mg/m2,干沉降量的值为1.0~5.0mg/m2,最大值为14.8mg/m2,湿沉降量的值为0.5~7.0mg/m2,强降水区附近可达22mg/m2。
短句来源
     The positive MPV2 area at 500hPa is well corresponding to the convective rainfall area, and they have in phase changes.
     500hPa上MPV2正值区与对流性降水区对应很好,而且强度变化也一致。
短句来源
     (3) Heavy precipitation often occurs between the south of axis of upper jet at 200hPa and the north of axis of low jet at 850hPa.
     (3)降水区和暴雨中心主要位于200hPa高空急流轴南侧和85ohPa低空急流轴北侧之间;
短句来源
     Maxima of frontgenisis,positive helicity and strong heating area are consistent with heavy rainfall area very well.
     锋生大值区、螺旋度正的大值区、Q1和Q2的强增温区与强降水区有很好的对应关系。
短句来源
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  precipitation area
It began as a purely convective cloud line, then developed an associated stratiform cloud and precipitation area.
      
In the summertime, the precipitation area moved inland of the Asian continent with mountain uplift, while the Pacific subtropical anticyclone and associated trade winds became stronger.
      
After t = 105 min, another smaller precipitation area appears at the backside of cold air outflow area.
      
Both the size of the precipitation area and its intensity are exceptional.
      
During the wet month, simulated precipitation area was broader and induced subsidence over the ITCZ, inhibiting part of its convective band.
      
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  area of precipitation
The species is a predator on Chermesids which invaded the northern European plain after the replacement of the natural hardwood stands by coniferous forests.2.There is a reasonable correlation between the area of precipitation exceeding 600 mm.
      
A second area of precipitation extended to the south of the cyclone along the developing cold front.
      
Furthermore, the area of precipitation decrease at the surface when the wind shear above10 km is removed because of the reduced extent of anvil.
      
Here is the semi-dry area of precipitation around 600mm in a year.
      
The threat score is used to measure the skill in predicting the area of precipitation for a certain threshold.
      
  rainfall region
(Lupinus) in the winter rainfall region of South Africa
      
(Lupinus) in the winter rainfall region of the Western Cape, South Africa.
      
Further investigation is required to determine the benefit of inoculation in alkaline soils of the winter rainfall region of the Western Cape.
      
This quasi-fluctuation appears to be shared with the summer rainfall region of South Africa and were in-phase related one another until mid-1970s.
      
More than one process of multi-decadal variability of global SSTs could influence the Argentine summer rainfall region and the former bi-decadal teleconnection.
      
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  其他


In this paper, the precipitation model consisting of equations of continuity and formula of wet adiabatic rainfall rate have been used to calculate the rainfall of two typhoons, which are invaded by westerly belt synoptic system. Both calculated regions and intensity agree with that of real precitpiation. A new gale center is generated near the lower troposphere of westerly belt system when it has partly invaded into the egion of typhoon. In the lower layer convergence region of down wind at the gale center...

In this paper, the precipitation model consisting of equations of continuity and formula of wet adiabatic rainfall rate have been used to calculate the rainfall of two typhoons, which are invaded by westerly belt synoptic system. Both calculated regions and intensity agree with that of real precitpiation. A new gale center is generated near the lower troposphere of westerly belt system when it has partly invaded into the egion of typhoon. In the lower layer convergence region of down wind at the gale center occurs hard rain. From the calculation of energy conversion, it is found that this gale center is generated by baroclinic conversion of potential energy into kinetic energy.

本文应用连续方程和湿绝热降水公式组成的降水计算模式对两个受到西风带天气系统侵入的台风降水进行了计算。计算的降水区和降水强度与实况都较一致。发现在侵入台风后的西风带系统附近的低层产生一新的大风中心,在该中心的下风处的低层辐合区产生暴雨。从能量转换计算的结果发现,大风中心是由位能向动能的斜压转换造成的。

The ground electric field produced by thunderstorm was studied by using field mill, lightning counter and weather radar.It was found that the charge distribution of thunderstorms in Pingliang,Gansu, is generally with a upper positive charge zone extending upward in the upper layer and a lower negative charge zone of which the horizontal dimension may reach tens of hilometers.In addition there is a minor positive charge area expanding horizontally over 10 km near cloud base.

本文介绍了利用电场仪、闪电计数器以及雷达对雷暴云地面电场进行观测的结果。甘肃平凉地区雷暴云电荷分布一般为上正下负,云底附近有一小正电荷区。上层正电荷区可向上延伸,而下层负电荷区水平尺度可达数个公里,云底小正电荷区也可扩展10公里以上。 降水区地面呈现正电场。雷暴云闪电电矩变化可在40—300库伦公里间,平均值为120库伦公里,随着云体的发展,也就是说,随着雷达强回波高度的增高,大于180库伦公里的闪电增多。闪电后电场初始恢复速率平均为1/7/秒。 对于雷暴云电场特征的可能机制也作了初步讨论。

A synoptical case study about the relationship between coupling of the upper and low-level jets and heavy rains is discussed in this paper. When the maximum of wind speed in upper level jet moves eastward to the east coast of China, it is found that a LLJ appears in the south of the entrance region on 700 mb level. The axis of LLJ is nearly parallel to the upper jet's axis. Heavy rains and a horizontal shear line occur in the region between two jets. The relationship between coupling of upper and low-level jets...

A synoptical case study about the relationship between coupling of the upper and low-level jets and heavy rains is discussed in this paper. When the maximum of wind speed in upper level jet moves eastward to the east coast of China, it is found that a LLJ appears in the south of the entrance region on 700 mb level. The axis of LLJ is nearly parallel to the upper jet's axis. Heavy rains and a horizontal shear line occur in the region between two jets. The relationship between coupling of upper and low-level jets and heavy rains can also be clearly shown in a composite cross-section of wind fields.The observed results can be explained by the unstable gravity-inertia wave in the adjustment process when we use the splitting analysis method between the advec-tion and adjustment processes.

本文分析了暴雨和低空急流发展过程的一次天气个例.当高空急流中心自西向东移到我国东部沿海,在最大风速中心上游的入口区南面,对应副高北侧的高温潮湿的空气,当扰动的相当水平尺度小于适应过程的特征尺度时,在高空急流入口区南面550公里处的700毫巴等压面图上,引起了低空急流的迅速加强.强的降水区和流场的水平切变线,出现在两支急流之间的地区.这一个例分析的天气事实,可从平流过程和调整过程的相互作用,以及调整过程中重力惯性波的不稳定性来说明.

 
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