Study on the joint probability distribution of irrigation water volume and irrigation water efficiency-Reference-Cited by-同舟云学术

Study on the joint probability distribution of irrigation water volume and irrigation water efficiency

Published:2015-03-23 Issue:4 Volume:15 Page:802-809
ISSN:1606-9749
Container-title:Water Supply
language:en
Short-container-title:

Author:

Zhao Yong¹,Zhang Jinping²,Xiao Weihua¹

Affiliation:

1. State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China

2. Institute of Water Resources and Environment, Zhengzhou University, High-tech District, No. 100 Science Road, Zhengzhou city 450001, Henan Province, China

Abstract

Using the copula method, the joint probability distribution of irrigation water volume and efficiency is constructed, and their joint return period is also described to reveal the encounter probability of irrigation water volume and efficiency. Furthermore, the conditional probability of irrigation water efficiency with different water volumes is built to show the quantitative effects of flow on irrigation water efficiency. The results show that the copula-based function can present the encounter risk and conditional probability of irrigation water volume and efficiency at their different magnitudes.

Publisher

IWA Publishing

Subject

Water Science and Technology

Link

http://iwaponline.com/ws/article-pdf/15/4/802/413621/ws015040802.pdf

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