CAJ | 학술논문

声学多普勒流速剖面仪可以测量多层水深的流速流向数据，但目前只使用其中符合传统“六点法”的数据，多余数据被舍弃浪费。文章根据传统的“六点法”垂线平均流速流向的计算原理，给出了“多点法”计算垂线平均流速流向的计算公式。根据上海洋山港海域和招远海域实测流速资料，对采用“六点法”和“多点法”计算垂线平均流速流向的结果进行了分析比较。结果表明：“六点法”和“多点法”计算的垂线平均流速值基本相当，但垂线平均流向差值随着垂线平均流速的减小而呈增大趋势。
성학다보륵류속부면의가이측량다층수심적류속류향수거，단목전지사용기중부합전통“륙점법”적수거，다여수거피사기낭비。문장근거전통적“륙점법”수선평균류속류향적계산원리，급출료“다점법”계산수선평균류속류향적계산공식。근거상해양산항해역화초원해역실측류속자료，대채용“륙점법”화“다점법”계산수선평균류속류향적결과진행료분석비교。결과표명：“륙점법”화“다점법”계산적수선평균류속치기본상당，단수선평균류향차치수착수선평균류속적감소이정증대추세。
Acoustic Doppler Current Profiler makes it possible to measure current velocity and current direc-tion at any water depth, however, only the data consistent with the traditional six-point method are utilized, and oth-ers are abandoned and wasted. In this paper, based on the theorem to compute vertically-averaged current velocity and current direction by traditional six-point method, formulae were given to calculate vertically-averaged current velocity and current direction by multi-point method. According to in-situ data from Yangshan Harbor sea area and Zhaoyuan sea area, the computation results of vertically-averaged current velocity and current direction by tradition-al six-point method and multi-point method were analytically compared. The results show that the computed vertical-ly-averaged current velocities by two methods are basically identical to each other, however, the difference of cur-rent direction tends to increase when the velocity decreases.