地面天气图

一种绘制地面天气图及要素场等值线方法

A Method for Drawing Surface Weather Chart and Contours of Meteorological Elements

利用1971-1996年的地面气象月报和地面天气图资料，借助地理信息系统，逐次分析了影响北京地区沙尘暴天气过程的演变规律，确定了影响北京地区沙尘暴天气过程的移动路径和源地。

With the data published on Surface Meteorological Monthly Bulletin and Surface Chart during 1971-1996 , the temporal variation of sand-dust storms invading Beijing is analyzed . Furthermore , the movement routines and source locations of sand-dust storms are determined in assistance with GIS .

高原地区等压面和地面天气图的一种分析方法

A method for analysis of isobaric surface patterns and sea-level pressure field in Plateau Areas

本文根据实际观测到的天气形势，提出了一种简便易行的高原地区等压面和地面天气图的网格点分析方法。

According to observational study a method for analysis of isobaric surface patterns and sea-level pressure field in mountainous regions is developed in this paper .

所用资料来源于台风年鉴、东亚地面天气图以及有关资料，资料序列共38年（1949&1986）。

The data used for analysis is mainly extracted from 《 TYPHOON YEARBOOK 》, surface synoptic weather charts of East Asia and other related materials .

利用这种方法，各中心台、省台甚至地区台可用小型的计算机分析出高原地区的等压面或地面天气图。

By using the method and a suitable horizontal grid system the provincial weather services could get the outlines of the weather patterns in plateau areas .

本文根据1955&1959年逐日02时（北京时）东亚地面天气图统计了锋出现频数的分布，给出1、4、7、10月东亚气候锋的位置。

Based on the daily 18:00 GCT surface , charts ( 1955 to 1959 ), the frequency distribution of the front occurrence is analysed and the location of the climatic frontal zones is determined .

利用1957&1990年的地面天气图资料统计了北方气旋活动频次，分析了北方气旋的若干气候统计特征及其与西北地区天气气候的对应关系。

Based on surface station meteorological data from 1957 to 1990 the number of the Northern Cyclones is worked out . Some statistical characteristics between the Northern Cyclone and the relationship of temperature and precipitation in Northwest China are analyzed .