淮河流域蚌埠站水沙短周期变化趋势分析  

The Variation Characteristics of Water and Sediment Based on the Bengbu Station in Huaihe Basin

作　　者：黄宇靖 张云峰 徐雅 HUANG Yu-jing;ZHANG Yun-feng;XU Ya(School of Urban and Planning Sciences,Yancheng Teachers University,Yancheng 224007,China;Research Institute of Jiangsu Coastal Development,Yancheng Teachers University,Yancheng 224007,China)

机构地区：[1]盐城师范学院城市与规划学院,江苏盐城224007 [2]盐城师范学院江苏沿海开发研究院,江苏盐城224007

出　　处：《水利科技与经济》2020年第3期34-37,共4页Water Conservancy Science and Technology and Economy

基　　金：江苏省高等学校大学生创新创业训练计划项目(201810324010Y);盐城师范学院教学改革课题(12YCTCJY050,2018YCTUJGY021);国家自然科学基金项目(41501003);江苏沿海开发研究院开放课题(RIJCD11008)。

摘　　要：根据淮河流域近16年测得的年径流量和年输沙量输运数据,采用线性趋势估计法和平滑预测法分析水沙的短期变化。分析表明,年径流量总体呈下降趋势;平均泥沙输移、沉积物浓度和泥沙输移系数变化较小,下降缓慢,其中2005和2010年平均沉积物浓度突然变化,表明水沙变化的主要特征参数具有5年的周期性波动。According to the annual runoff and annual sediment transport data measured in the Huaihe river basin in the past 16 years,the short-term changes of water and sediment were analyzed by linear trend estimation method and smooth prediction method.The analysis shows that the annual runoff shows a general downward trend;the average sediment transport,sediment concentration and sediment transport coefficient change little,and the decline is slow.The average sediment concentration in 2005 and 2010 suddenly changes,indicating the change of water and sediment.The main characteristic parameters have a 5-year periodic fluctuation.

关 键 词：水沙变化 周期性特征 淮河流域 蚌埠站 

分 类 号：P333[天文地球—水文科学]