冬半年

酸雨的酸度（pH值小）较大，其酸雨频率分布特征为夏半年较低，冬半年较高。

The frequence is lower in summer half year and higher in winter half year .

夏半年与其后之冬半年IE（IW）有负（正）相关，由冬半年到夏半年变化趋势相反。

The summer half yearly mean index has a negative ( positive ) correlation coefficient with that of following winter half year in eastern ( western ) hemisphere . But from winter to summer there is a reverse trend in the change of zonal index .

完全预报（PP）方法在广东冬半年海面强风业务预报中的应用

The application of perfect prognosis method to gale wind along the Guangdong coast in winter

冬半年大气对赤道东太平洋海温的响应表现为不同于PNA的呈纬向分布的模态结构。

The wintertime Northern Hemisphere atmospheric response to SST in EEP is the zonal mode structure which is different from PNA .

过去2000a中国东部冬半年温度变幅与周期

Amplitude and Rhythm of Winter Half-year Temperature Change in Eastern China for the Past 2000 Years

相应时间系数功率谱分析表明大气热源主要存在3060天振荡，但1980年夏半年和19821983年ENSO事件期间（尤其是冬半年）这一振荡不显著。

The spectral analysis of the EOF time coefficients reveals that the dominant period range is around 30-60 day except for the summer of 1980 and the 1982-1983 ENSO period .

全年或夏半年降水变化对植被NPP的影响大于温度变化，而冬半年降水变化对植被NPP的影响小于温度变化。

The effects of precipitation changes on NPP was greater than the temperature changes in the whole year or in the summer half-year , while it reversed in the winter half-year .

近50年来，冬半年（10月-次年4月）110-120°E范围北半球Hadley环流与我国同期的温度和降水的相关在统计上是显著的。

In recent 50 years , The relations between Hadley circulation from east longitude 110 to 120 over northern hemisphere and temperature and rainfall in China have noticeable time variability on status from October to next April .

结果表明：采用邻近站点推荐值计算得到的参考作物蒸发蒸腾量ET0和净辐射Rn计算结果与FAO推荐值计算结果相比偏大，并且在计算值较小的冬半年误差也相对较大。

Results of reference crop evapotranspiration and net radiation calculated by parameter from Nanjing are bigger than results by FAO recommended parameter , especially in the winter half year when the calculate results are relatively small .

冬半年积雪的这种低频振荡能激发出北半球500hPa高度场准定常Rossby波，并通过二维的Rossby波能量频散而影响到北美。

The 2-3 weeks oscillation of snow cover in western China can motivate quasi-permanent Rossby waves at 500 hPa geopotential height field over northern hemisphere and affect atmosphere over North America by energy dispersion of two-dimensional Rossby waves .

本文得出如下结果：利用ECMWF分析资料10年的冬半年500hPa高度场和同期COADS资料SST场，在SVD分析和聚类分析的基础上确定了三个海－气耦合流型域。

This study comes to the following results : On the basis of SVD analysis and cluster analysis , three Ocean-Atmosphere coupled regimes are identified using 500 hPa height field from ECMWF data and SST field from COADS covering 10 cold seasons .

利用1971&2000年NCEP再分析资料和中央气象台提供的我国强冷空气过程统计资料，分析了近30年冬半年北极区及中高纬度地区大气环流形势的气候变化以及对中国强冷事件的影响。

Based on the NCEP reanalysis data and the cold air outburst processes in each year provided by Central Meteorological Observatory ( CMO ) in 1971-2000 , the climate changes of Arctic atmospheric circulation feature and its effect on strong cold events in China are studied .

用卡尔曼滤波方法制作河南省冬半年大风预报

Winter Gale Forecasting of Henan province by Means of Kalman Filter

1981-1982年冬半年大气行星波的传播特征

Propagation of planetary waves in the atmosphere during the winter of 1981-1982

数值预报产品在冬半年暴雪预报中的释用

The Interpretation Technology of NWP Products on Heavy Snow during Winter Half-year

过去2000年中国东部冬半年温度变化

Temperature changes of Winter-Half-Year in eastern China during the past 2000 years

天水地区冬半年最低气温的概率分布特征

Probability Distribution of Minimum Temperature during Half Year of Winter in Tianshui

北京冬半年近地面层湍流的特性

Some characters of turbulent exchange in surface layer in winter in Peking

华南冬半年降温的特征

Winter characteristics of temperature fall in the cold half year of South China

北太平洋中纬度地区冬半年海温变化特征分析

An analysis of winter half year SST changes in the northern Pacific Ocean

通过对感冒与冷空气活动过程的分析，找出了冬半年中的感冒高发期。

It is found that the favorable incidence of common cold in winter .

冬半年北半球大气对赤道东太平洋海温的响应

The wintertime northern hemisphere atmospheric response to SST I-N the eastern equatorial Pacific

我国冬半年局地气温对北半球增暖响应的特征分析

Characteristics of temperature in China in response to northern warming in winter half year

冬半年副热带南支西风槽结构和演变特征研究

The Structures and Evolutions of the Wintertime Southern Branch Trough in the Subtropical Westerlies

冬半年青藏高原及其附近地区15&25天振荡的传播特征

Propagation features of 15 & 25 day oscillation in the Qinghai-Xizang Plateau during winter time

冬半年平流层中部环流的变化及其爆发性增温现象

The variation of general circulation and the explosive warming in the middle stratosphere during winter

黄河三角洲冬半年大风预报系统

The Objective and Automatic System of the Winter Gale Forecast in the Yellow River Delta

冬半年海洋与大气的相互作用

The interactions between the sea surface temperature and the atmospheric circulation in the winter half year

兰州市冬半年大气污染物分布特征及变化规律

The Regularities of Distribution of the Air Pollutants over the Lanzhou Basin in the Winter Half Year

但是基地内日光温室蔬菜生产，主要靠自然光照维持，受天气条件影响较大。冬半年经常发生连阴天气和寒潮天气，严重影响了蔬菜的质量和产量。

But the vegetable production mainly depends on natural sunlight which is largely affected by meteorological conditions .