Transformation of Raindrop characteristics (Nov 24, 2015) of natural rainfall of Yellow River basin

3rd International Conference on Advances in Energy Resources and Environment Engineering

能源学;生态环境科学

Shen, Zhenzhou^1 ; Liu, Ke^2 ; Wu, Zhiqiang^2 ; Liu, Jun^2 ; Qi, Kuan^2 ; Niu, Xinnian^2 ; Wang, Guiying^2 ; Yao, Wenyi^1

Yellow River Institute of Hydraulic Research, Zhengzhou, Henan

450003, China^1

Zhungeer Qi Water and Soil Conservation Bureau, Eerduosi, Neimenggu

017100, China^2

关键词: Loess slopes;    Natural rainfalls;    Peak values;    Rainfall intensity;    Terminal velocity;    Yellow River basin;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/113/1/012014/pdf
DOI  :  10.1088/1755-1315/113/1/012014

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Raindrop characteristics, including speed and size of raindrops, in Zhengzhou city of Yellow River basin were analyzed through a natural rainfall on the loess slope. Results showed that the process of natural rainfall belonged to a parabola and counts, size and terminal velocity would increase with the rainfall intensity rising. Besides, the size and terminal velocity of natural raindrops were relatively scattered; In the process of individual rainfall, the terminal velocity and its peak value were mainly focused between 1∼3.4m/s and 1.4m/s, respectively. Size of raindrops were mainly consisted of 0.125-0.75mm, among which the terminal velocity of raindrops with a size of 0.125mm, 0.25mm, 0.375mm, 0.5mm and 0.75mm were primarily 1-3.4m/s, 1-4.2m/s, 0.8-3.4m/s, 0.8-3.4m/s, 1-2.6m/s, respectively.