日较差

南宁市气温日较差特征及天气系统影响

Characteristic Analysis of Daily Range of Temperature and Synoptic Systems

气温日较差有显著变小的趋势；

Daily range of air temperature is not significant .

n2值随各地气温平均日较差增大而增大。

That of n_2 increases with the increase or the average daily temperature differences in various localities .

利用任意时刻AVHRR资料近似估计区域地表温度日较差的试验

Experiment for estimating daily range of surface temperature over a region using AVHRR data at arbitrary time

结果（1）大多数城市在SARS爆发前后，都出现气温、气压和气温日较差的大幅波动，风力微弱。

Results ( 1 ) The amplitude of air temperature , air pressure and diurnal temperature difference were greater around SARS outbreaks in most of the cities .

关键区（143°E-160°E，27°N-39°N）10-11月海温与次年江淮南区梅雨期气温日较差存在较好的反相关关系。

There is a apparent negative correlation between the temperature daily range in south area of Changjiang-huaihe valley over Meiyu period and SSTA in the Key region ( 143 ° E 160 ° E , 27 ° N 39 ° N ) from November to December in former year .

利用订正后的卫星反演地表温度日较差计算的热惯量与地面农田实测土壤绝对湿度进行回归分析，发现0~30cm土壤水分实测值与热惯量的相关显著，50cm以下不能通过显著性检验。

Regression analysis of the thermal inertia and soil absolute moisture measured in farmland showed that the moisture in 0-30 cm soil had significant correlation with the thermal inertia , but moisture in deeper soil hadn 't.

这种变化使得日较差表现出明显的减少趋势。

This resulted in very obvious decreasing trend for temperature daily range .

近50年中国气温日较差的变化趋势分析

Variation of Diurnal Temperature Range in China in the Past 50 Years

气温日较差都呈显著的下降趋势；

All the daily range of temperature have decreasing tendency .

日较差分级的北京地面逐时气温预报

Hourly Temperature Forecast Based on Diurnal Temperature Range in Beijing

从相关系数计算表明，模拟最好的变量是温度，其次是水汽和降水，最差的是日较差；

The second is vapor pressure and precipitation ; then diurnal temperature range .

气温日较差对农作物生育、产量和品质等都有很大的影响。

There is great influence on the crop growth , yield and quality etc.

日较差的大小与干物质积累无必然性的联系；

The size of diurnal range was no certain relation with accumulation of dry-matter ;

年均日较差略为上升趋势，但上升趋势不明显。

The average diurnal slightly rising trend , But the trend was not obvious .

绿洲地区对最低气温上升的变化趋势有一定的加强影响，绿洲效应使日较差正在变的越来越小。

Another result is that oases strengthened slightly the increasing trends of minimum temperature .

但是最近的争论使双方的关系陷入了低潮。日较差大潮潮差大潮高高潮和大潮低低潮的潮高差大日较差

But the latest debate has brought relations to a low ebb . great diurnal range

气温日较差大，积温有效性高。

The temperature daily amplitude is big and the accumulated temperature is of high efficiency .

年平均日较差也显示了较强的下降趋势。

The yearly averaged temperature range also displays significant declining trends in most parts of China .

热量适中，日较差大；

The quantity of heat is moderate , the difference in duration of sunshine is big ;

沙丘表面日较差最大的部位是落沙坡，夏季大于冬季；

The leeward has the greatest diurnal temperature range , and the range is larger in summer ;

影响糖份累积的关键气象因子主要是光温积和气温日较差。

The key factors of sugar accumulation are of main light temperature accumulation and daily range of temperature .

湖区年平均气温日较差较周边地区偏小。

The mean annual daily temperature range of lake area is lesser than the surrounding area . 5 .

1951～2002年中国平均最高、最低气温及日较差变化

On Change in Mean Maximum Temperature , Minimum Temperature and Diurnal Range in China During 1951 & 2002

林窗内气温日较差较小；气温日较差都呈显著的下降趋势；

Daily range of air temperature is not significant . All the daily range of temperature have decreasing tendency .

最高、最低气温和气温日较差的变化具有明显的季节差异。

The change of daily maximum temperature , daily minimum temperature and daily temperature was obviously different in different seasons .

为了在业务中有效地使用所有卫星资料，还提出获得日较差的几种方法。

In order to put this model inoperation , several methods to estimate daily range of temperature are also discussed .

近40年青藏高原东侧地区云、日照、温度及日较差的分析

Analyses of Cloudiness , Sunshine , Temperature and Daily Range on the Eastern Side of Qinghai-Xizang Plateau in Recent 40 Years

温度日较差对热值有正影响效应，且具有较低的变异系数，雨量与雨日的正效应起修饰作用。

The daily temperature gap accounted the main effects on the caloric value of two rice varieties and with the minimum coefficient variation .

关键气象因子有平均气温、日照时数、气温日较差和雨量。

The key meteorological factors influencing the rice quality were daily mean temperature , sunshine duration , daily range of temperature and precipitation .