CAJ | 학술논문

利用大型称重式蒸渗计测得的地面降雨量(P)和自记雨量筒测得的次降雨量(P′)进行比较，结果表明两者之间存在较好的线性关系，而且地面雨量大于雨量筒测量的次降雨量，平均雨量订正系数K为0.037.当降雨持续时间小于6 h时K值在0.04～0.045之间，不同降雨持续时间之间差值不大；当降雨持续时间大于6 h时，K值为0.027.随着降雨强度的增大，降雨订正系数呈下降趋势.根据不同降雨强度下的降雨订正系数对甘肃河东19个气象站6～9月的雨量修正结果表明，各站降雨量比次降雨量多11.7～27.4 mm，区域平均降雨量比次平均降雨量高18.4 mm.
이용대형칭중식증삼계측득적지면강우량(P)화자기우량통측득적차강우량(P′)진행비교，결과표명량자지간존재교호적선성관계，이차지면우량대우우량통측량적차강우량，평균우량정정계수K위0.037.당강우지속시간소우6 h시K치재0.04～0.045지간，불동강우지속시간지간차치불대；당강우지속시간대우6 h시，K치위0.027.수착강우강도적증대，강우정정계수정하강추세.근거불동강우강도하적강우정정계수대감숙하동19개기상참6～9월적우량수정결과표명，각참강우량비차강우량다11.7～27.4 mm，구역평균강우량비차평균강우량고18.4 mm.
Applying the rainfall (P) measured through lysimeter and the automatic recording rainfall (P′), a comparison has been made. The relation between P and P′is linear，and P is larger than P′. The mean correction coefficient of rainfall (K) is 0.037. K is 0.04 to 0.045 on condition that rainfall duration is shorter than 6 h and otherwise K is 0.27.K decreases with the increase of rainfall intensity. Meanwhile, the rainfall correction from June to September in the rainfed region of Gansu (RRG) including 19 meteorological stations also has been made. The result is that P is about 11.7 to 27.4 larger than P′. The mean P on the area of PRG is 18.4 mm larger than mean P′.