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In order to simulate the soil waterlogging status, the calculation of capillary rise from the water table and the functions of hydraulic conductivity characteristics were incorporated.

采用盆栽小麦水分试验资料验证了日蒸散量的模拟值,利用湖北荆州农业气象试验站和江苏金坛农业气象试验站的土壤水分历史资料对建立的模型进行了综合测试和验证,结果表明:蒸散量、地下水位和 0~ 5 0cm土壤含水量的模拟值与实测值具有较好的一致性,模型能可靠地预测多雨和渍水地区麦田土壤水分的变化动态

Starting from the main meteorological factors impacting vibration of overhead line, the impact of conductor tension variety on self-damping feature of conductors is analyzed according to state equations of overhead line, and by use of energy balance principle the variation of vibration level is calculated and the vibration life under different meteorological conditions are obtained.

文章提出了一种基于短期测量数据评估线路全年振动状态和寿命的方法,从气象影响线路振动的主要因素出发,根据导线的状态方程分析导线因张力变化对导线自阻尼特性的影响,并采用功率平衡法计算出振动水平的变化,得到了不同气象条件下的振动寿命。

The geographical environment elements to form weather disasters in yunnan include low latitude plateau,approaching tropical oceans,complicated topographical features,cliffy mountain,few vegetation,concentrated rainfall,complicated geological structure and strong fault actions.

由于云南复杂的低纬高原地理环境,多样的局地气候背景,特殊的地貌植被状况以及同时受东亚、南亚两支季风的共同作用,形成了鲜明的区域气象灾害特征[1,2]。1 云南气象灾害的特征1.1 种类多、频率高、重叠交错云南自然地理环境特殊,7种气候带交错分布,气候资源丰富,立体气候明显,地域差异大。

The effects of climate warming on plant phonological changes from 1983 to 2004 in Guangdong are studied by use of the plant phenological data and temperature data of 10 Agrometeorological stations in Guangdong of the same time. The models for relationship between phenological periods and temperature are constructed. The responses of the phenological period to climate change are analyzed.

根据广东省气象观测资料和10个农业气象观测站的物候观测资料,分析了1982~2004年温度变化对广东省木本植物物候变化的影响,并建立了物候期差异与温度之间的关系模式,分析了当前气候增暖背景下物候期对温度变化的响应关系。

The correlation coefficients of 12 of the 35 meteorological factors with wheat yield were significant at the 0.05 level. The precipitation during filling stage and winter wheat yield was significantly corelated, and the direct path coefficient was the highest, and it contributed the most to wheat yield, followed by the precipitation of elongating stage and turning green period. The evapotranspiration in April and May negatively correlated significantly with winter wheat yield at the 0.05 and 0.01 levels, respectively.

在与小麦产量相关的35个气象因子中,有12个因子的相关系数达到了显着或极显着水平,其中灌浆期降水与冬小麦产量呈极显着相关,且直接通径系数最高,对小麦产量贡献率最大;其次是拔节期降水量和返青期降水量;4、5月份的蒸发量与冬小麦产量密切相关,分别接近显着和达到极显着水平,它们对小麦产量形成起较大的负向作用;小麦越冬期间的气温也是不可忽视的气象因素。

DI is the most ideal irrigation indicator as it is very much influenced by soil water potential and less affected by meteorological factors. DI value of zero is probably the best irrigation threshold. MDS is strongly affected by meteorological factors and requires reference MDS under well-irrigated conditions. RT on the other hand is not significantly related with soil water potential. Therefore neither of these variables is suitable as irrigation index.

DI 受土壤水势影响产生变化的趋势明显并受气象因子影响较小,是最理想的灌溉控制指标,可将 DI =0作为灌溉控制临界值; MDS 受气象因子影响强烈,变异性较大,且需要充分灌溉条件下的 DI 作为参考, RT 与土壤水势的相关性不高,因此均不适合单独作为灌溉控制指标。

As the climatic data received and saved in the Climatic Data Office of NMIC(National Meteorological Information Center) in China,the global surface synoptic data are made up of 45 meteorological variables,4 times observations in term hour daily from approximately 6000 station...

利用2005年用于全球地面天气报资料接收、处理实时业务中的质量控制方法,对保存于国家气象信息中心气象资料室的全球地面天气报历史资料数据集进行了全面的质量检查,对原数据集中因解码而引起的比较明显的批量错误资料进行了修改,生成具有质量控制码的二版全球地面天气报历史资料数据集。

As the operational platform,the system could provide with the objective forecasting of the sea wind,fog,rainstorms and typhoon,which was helpful to forecasters.

系统的业务应用结果表明:系统为预报员提供了能够满足实时业务需要的海洋气象预报业务工作平台,研制的海风、海雾和台风暴雨等客观预报方法能够为预报员提供有价值的海洋气象预报参考信息。

It can play an important role in various kinds of meteorological phenomenon simulation and the development of weather information visual system.

可在多种气象现象的模拟仿真,纹理贴图的产生以及气象信息可视化系统的开发等方面发挥重要的作用。

Let me come to the point boldly:what governs the Englishman is his inner atmosphere, the weather in his soul. It is nothing particulady spiritual or mysterious.George Santayana, The Weather in His Soul

让我直截了当地谈正体吧:左右着英国人言行举止的是他内在的情调,是他灵魂的气象,而这内在的情调或灵魂的气象并不是宗教精神的,也不是神秘莫测的。

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