【摘 要】
:
风暴潮是沿海地区的一种巨大的自然灾害.它是指由于强风和气压巨变所导致的海面异常显著的升降现象.也有人称之为风暴海啸或气象海啸.它是发生在海洋中的一种重力长波,其周期
论文部分内容阅读
风暴潮是沿海地区的一种巨大的自然灾害.它是指由于强风和气压巨变所导致的海面异常显著的升降现象.也有人称之为风暴海啸或气象海啸.它是发生在海洋中的一种重力长波,其周期为103~105分钟,或1~102小时,介乎低频的天文潮和地震海啸之间.通常从实测的水位曲线中减去预报的天文潮位作为提取风暴潮的一个主要方法.这样得到的风暴潮位,称为"表观风暴潮".按照诱发风暴潮的气象扰动的特征分类,可以把出现在我国北方沿海地区的风暴潮分为三大类,即由热带风暴(台风、飓风)所引起,由温带气旋引起和由寒潮或强
其他文献
For the person violating prevention and control measures or has caused pollution,environment laws all set penalty provision.Moreover,for the person still does n
Cd contamination range of farmland soil in China is wide,which has constituted a major threat for food safety and residents’ health. Via multi-year development
To investigate the effects of long-term fertilization systems on soil microbial community structure,labile organic carbon and nitrogen and enzyme activity in ye
明清江苏私家收藏曲籍相当普遍,是戏曲文献得以流布、传承的重要途径,主要有两种方式:藏书家收藏曲籍、后代收藏先祖曲作。私家藏曲活动具有较为鲜明的家族性,体现了戏曲文化
The increasing of highway engineering construction makes soil and water loss surrounding highway and also influences the growth of crops around.To control soil
Based on the monitoring results of environmental quality of the waters near the Feiyun River estuary during 2011-2016, the current situation of environmental qu
Via database technology,a perfect lightning protection integrated service work platform is established,thereby realizing paperless data management of routine bu
Based on daily data of thunderstorms during 1967-2012 from the national meteorological station in Doumen District of Zhuhai City,the climatic characteristics of
利用单一非等温DSC曲线的热分解动力学参数计算热爆炸延滞期,并提出了由热爆炸延滞期判别炸药热安定性和相容性的一种新方法。
今年年内我市个人信用信息基础数据库有望在全国联网运行,届时市民将获得自己的“信用身份证”。