摘要
论述了在滞流和缓流水域,水面、水底的温差较大时,声速改正的必要性,并提出三种声速改正方法,通过实际工程数据的比对分析,得出一些有益的结论。
The paper discusses the in stagnation and slow flow water, the water, the water temperature difference is big- ger, the necessity of sound velocity correction, and puts forward three kinds of sound velocity correction method, through the actual engineering data of comparative analysis, some useful conclusions.
出处
《北京测绘》
2014年第2期39-40,62,共3页
Beijing Surveying and Mapping
关键词
水下地形测量
声速改正
Hypack软件
水深匹配
underwater topographic survey
sound velocity correction
Hypack software
the depth of matching