摘要
利用M ike21对黄河口滨海区地形进行了模拟计算,发现滨海区潮水面不是水平的,各测验断面两端点的水位差平均为±0.3 m,最大误差为±0.6 m。提出了滨海区地形测量期间提高潮位测量精度的方法:①根据海边潮位和深水潮位,通过三角内插改正方法近似求得滨海区某点的潮位;②用M ike21插补、整编水文资料。
It conducts simulation calculation of topography of the coastal area of the Yellow River estuary by using Mike21 and finds out that the tidal surface of coastal area is unleveled and the average water level difference of both ends of each testing section is±0.3 m and the maximum error±0.6 m.It puts forward the following methods for increasing the survey precision of tidal level in topographic survey: a) to obtain the tidal level of a certain point of coastal area by trigonometric interpolation according to the tidal level of sea shore and deep water area and;b) to interpolate and compile hydrological data by using Mike21.
出处
《人民黄河》
CAS
北大核心
2007年第12期17-17,20,共2页
Yellow River
关键词
地形测量
潮位
平面二维数学模型
MIKE21
滨海区
黄河口
topographic survey
tidal level
two-dimensional plane mathematical model
Mike21
coastal area
the Yellow River estuary
