焦作市春季大风分型与预报

通过对1980～2000年历史资料的分析,确定了各种类型春季大风的预报指标,建立了焦作市春季大风的短期预报方法.     

三门峡市高温天气预报方法

利用1957～2001年历史气象资料,分析了三门峡市高温天气形势,确定了高温天气预报指标.     

Longitudinal Displacement of the Subtropical High in the Western Pacific in Summer and its Influence

Using the relative vorticity averaged over a certain area, a new index for measuring the longitudinal position of the subtropical high (SH) in the western Pacific is proposed to avoid the increasing trend of heights in the previous indices based on geopotential height. The years of extreme westward and eastward extension of SH using the new index are in good agreement with those defined by height index. There exists a distinct difference in large-scale circulation between the eastward and westward extension of SH under the new definition, which includes not only the circulation in the middle latitudes but also the flow in the lower latitudes. It seems that when the SH extends far to the east (west), the summer monsoon in the South China Sea is stronger (weaker) and established earlier (later). In addition, there exists a good relationship between the longitudinal position of SH and the summer rainfall in China. A remarkable negative correlation area appears in the Changjiang River valley, indicating that when the SH extends westward (eastward), the precipitation in that region increases (decreases). A positive correlation region is found in South China, showing the decrease of rainfall when the SH extends westward. On the other hand, the rainfall is heavier when the SH retreats eastward. However, the anomalous longitudinal position of SH is not significantly related to the precipitation in North China. The calculation of correlation coefficients between the index of longitudinal position of SH and surface temperature in China shows that a large area of positive values, higher than 0.6 in the center, covers the whole of North China, even extending eastward to the Korean Peninsula and Japan Islands when using NCEP/NCAR reanalysis data to do the correlation calculation. This means that when the longitudinal position of the SH withdraws eastward in summer, the temperature over North China is higher. On the other hand, when it moves westward, the temperature there is lower. This could explain the phenomenon of the seriously high temperatures over North China during recent summers, because the longitudinal position of SH in recent summers was located far away from the Asian continent. Another region with large negative correlation coefficients is found in South China.     

三门峡市高温天气预报方法

利用1957～2001年历史气象资料，分析了三门峡市高温天气形势，确定了高温天气预报指标。     

青海省生态环境分区及质量评价指标体系研究

生态环境分区及质量评价指标体系是生态环境系统研究的主要内容之一，也是生态环境质量评价中的基础工作。本就影响青海省各区生态环境的主要因子及其权重进行了较系统的研究，确定了各生态区生态环境质量评价的指标体系。得出青海省各生态区的生态质量评分值，结论是：青海省境内分为5个生态环境区，其中环青海湖湿地农、牧结合生态区的生态环境质量评分为6．17，为全省最优；青南高原高寒草甸、草原牧业生态区为5．76；东部岭谷农、林、牧生态区为5068；祁连山地林、草、冰、裸牧业生态区为5．52；柴达木盆地荒漠绿州牧、农生态区为5.46，依次表现为生态环境质量良好、一般、较差、最差。     

震级加权四指标Blade算法及在地震带识别中的应用

Blade算法的产生是根据地震点的分布寻找地震断层，其优势在于能从较稀疏的点分布中找出线型条带模式，但不足的是完全不考虑地震的震级屑性。针对Blade算法的几个不足之处逐步改进，提出了震级加权四指标Blade算法。算法主要的改进体现在：①引入以震级为变量的权重函数，体现了高震级地震的控制作用，通过模拟与实例比较了三种权重函数的效果；②改进原方法中所挑出的Blade中心必须有地震点，引入四指标评价体系代替原方法的二指标评价体系，同时还根据指标值将挑选出的线型条带修正到更淮确的位置。将原算法与改进算法应用于华北地区4级以上的地震数据集以按寻地震带，结果表明，震级加权四指标Blade算法较Blade算法有显改进，取得了较好的应用效果。     

利用数值产品与单站要素作南宁市冬春“暴冷”天气预报的研究

对1986—2002年17年冬春季节(1—3月)由于冷空气南下造成南宁市“暴冷”的几个个例进行了天气学、单站要素、欧洲数值产品特征三方面的研究，并试用欧洲数值预报产品与单站要素相结合，综合分析进行预报，发现效果较好。     

电视气象节目的价值要素浅析

根据当前电视气象节目的现状和发展方向，从节目信息量、新闻性、传播效果、节目形式等方面分析探讨了电视气象节目的价值要素。     

浅谈城市地图社会要素名称的标准化

城市是一个国家或地区的政治、经济、科技、文数及信息交流的中心。随着社会的进步，科学技术的发展，纳入城市地图表示的内容也随之增多。因此，社会要素名称的标准化对丰富城市地图内容及其它专题要素，具有十分重要的意义。一、工商企事业名称的标准化地图作为信息的载体．无疑也是商业广告的通道。工商企事业为了提高其知名度，纷纷要求在地图上标名地点、刊登照片及产品介绍，这时工商企事业名称的标准化尤为重要。名称应尽五简化，可以丰富地图的内涵，增加信息量。但是，名称简化要适度，要符合群众日常生活习惯用语，简单明了，让读…     

城市火灾中关键气象因子的诊断分析

根据武汉市１９８０－１９９１年逐日火灾气象资料，分季统计逐个气象因子不同间人的火灾率序列，再作最佳曲线拟合和相关普查，结果表明，与火灾密切相关的气象因子依次为当天１４时相对温度，气温日较差，连旰天数，当天最大风速。火灾率与相对湿度为负相关，与当天降雨量不相关，与其余因子为正相关，拟合曲线在火灾多发，少发处均具有明显的气象临界值。