洮河下巴沟站枯季径流变化特性及封冻期流量预测研究OA
Runoff Variation Characteristics in Dry Season and Discharge Prediction during Ice-Covered Period at Xiabagou Station
为全面掌握变化环境下黄河上游径流演变规律,本研究以洮河流域为研究对象,以下巴沟水文站为主要控制站,基于 1964 年～2020 年月径流量数据划分枯水期,并采用 Mann-Kendall 检验方法等统计学方法分析枯水期径流变化特征,同时选用 2 种不同的方法推算封冻期流量,结果表明:1964 年～2020 年,下巴沟水文站平均枯季径流量变化主要由年内分配决定,枯季各月径流变化趋势与年际变化趋势一致,均呈下降趋势;2017 年 11月和 12 月径流量发生了突变;1985 年 1 月、2 月和 3 月流量发生了突变.基于上、下游站相关法和退水曲线法两种方法推算封冻期流量,根据推算结果发现,基于上、下游站相关法可用作封冻期流量推算.研究结果可为今后相似流域推求封冻期流量提供参考.
To investigate runoff evolution under changing environmental conditions,the Taohe river basin was selected as the study area.Based on monthly runoff data from 1964 to 2020 at Xiabagou station,statistical methods including the Mann-Kendall test were applied to analyze dry-season runoff characteristics.Two methods were used to estimate discharge during the ice-covered period.Results show a declining trend in dry-season runoff,with abrupt changes occurring in specific months.The upstream-downstream correlation method proves effective for ice-period discharge estimation.The findings provide reference for similar hydrological studies.
曹杰;姬登云;仲复捷;王毓森;王东;王瑞旭
甘肃省临洮水文水资源勘测中心,甘肃 临洮 730500甘肃省临洮水文水资源勘测中心,甘肃 临洮 730500甘肃省临洮水文水资源勘测中心,甘肃 临洮 730500甘肃省临洮水文水资源勘测中心,甘肃 临洮 730500甘肃省临洮水文水资源勘测中心,甘肃 临洮 730500甘肃省临洮水文水资源勘测中心,甘肃 临洮 730500
天文与地球科学
枯季封冻期径流变化特征下巴沟站洮河
Dry seasonice-covered periodrunoff variationXiabagou stationTaohe river
《陕西水利》 2026 (6)
32-34,38,4
甘肃省水利科学试验研究及技术推广项目(甘水建管发[2021]71号、25GSLK105、26GSLK079)
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