南沙区海陆风环流的特征及其对气温和能见度的影响  

Characteristics of Land and Sea Breeze Circulation in Nansha,Guangzhou and Their Effect on Temperature and Visibility

作　　者：李海洋 祁秀香 赵小伟 林中庆 

机构地区：[1]南沙区气象局,广东广州511452

出　　处：《广东气象》2015年第3期24-27,共4页Guangdong Meteorology

摘　　要：对南沙区海陆风环流的季节分布、持续时间等特征及其对夏季最高气温和2月能见度的影响进行了统计分析。结果表明:南沙区海陆风环流较明显,发生比例最高集中在2、7和8月。海风和陆风互相转化的时段特征明显:陆风转海风主要发生于10:00—14:00,海风转陆风主要时段为18:00—次日01:00。通过海陆风环流对高温天气的影响分析表明,南沙地区夏季只有海陆风环流遭到破坏时才会出现高温天气。在海陆风日,海风和陆风的风向转变对南沙能见度的变化有一定的影响。This paper statistically studies the seasonal distribution and duration of the land and sea breeze circulation in the Nansha District and their effect on temperature and visibility. As shown in the stud- y, the local circulation is quite significant with February, July and August having the highest frequency of occurrence. For the time of interchanging, the land breeze changes to the sea breeze mainly during 10：00 - 14：00 and the sea breeze changes to the land breeze from 18：00 to 01：00 of the following day. As shown in our analysis, only when the land and sea breeze weather occur in Nansha. On the days of land and in the variation of the visibility in this area. circulation is compromised will the high -temperature sea breeze, the change of wind direction plays some role

关 键 词：气候学 海陆风 高温 能见度 南沙区 

分 类 号：P46[天文地球—大气科学及气象学]