Next Article in Journal
Increasing the Accuracy of Runoff and Streamflow Simulation in the Nzoia Basin, Western Kenya, through the Incorporation of Satellite-Derived CHIRPS Data
Next Article in Special Issue
SPH Simulations of Solute Transport in Flows with Steep Velocity and Concentration Gradients
Previous Article in Journal
Comprehensive Assessment of Regional Water Usage Efficiency Control Based on Game Theory Weight and a Matter-Element Model
Previous Article in Special Issue
Influence of Rack Slope and Approaching Conditions in Bottom Intake Systems
Article Menu
Issue 2 (February) cover image

Export Article

Open AccessArticle
Water 2017, 9(2), 115; doi:10.3390/w9020115

Hydrologic Response of Climate Change in the Source Region of the Yangtze River, Based on Water Balance Analysis

1
Division of Water Resources Engineering, Lund University, SE 22100 Lund, Sweden
2
Center for Middle Eastern Studies, Lund University, SE 22100 Lund, Sweden
3
State Key Laboratory of Hydrology, Water Resources, and Hydraulic Engineering, Hohai University, Nanjing 221000, China
*
Author to whom correspondence should be addressed.
Academic Editor: Gordon Huang
Received: 5 December 2016 / Revised: 25 January 2017 / Accepted: 8 February 2017 / Published: 13 February 2017
(This article belongs to the Special Issue Modeling of Water Systems)
View Full-Text   |   Download PDF [3236 KB, uploaded 13 February 2017]   |  

Abstract

Due to the large amount of water resources stored in glaciers, permafrost, and lakes, the source region of the Yangtze River (SRYR) is of great importance for the overall basin water flow. For this purpose, a state of art review and calculations were made for the period 1957–2013 using observed hydrological and meteorological data with a water balance approach. Actual evapotranspiration was calculated and validated by empirical formulas. Water storage change analysis was conducted with uncertainty boundaries using a 10-year moving window. Results show that temperature, precipitation, and actual evapotranspiration in the SRYR increased by 0.34 °C, 11.4 mm, and 7.6 mm per decade, respectively (significant at 0.05 probability level). Runoff appears to have increased at a rate of 3.3 mm per decade. The SRYR water storage in total has not changed significantly during the period, although the moving average is mostly below zero. Based on the water balance equation, the increase in calculated evapotranspiration is mainly due to the significantly increasing temperature. This in combination with increasing precipitation leads to a relatively stable water storage during the study period. Correlation analyses show that precipitation dominates runoff during the warm season (May to October), while temperature anomalies dominate the runoff during the cold season (November to April). The influence of temperature on runoff seems to enhance during the winter period. View Full-Text
Keywords: source region of the Yangtze River; climate change; water balance; uncertainty propagation; correlation analysis source region of the Yangtze River; climate change; water balance; uncertainty propagation; correlation analysis
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Du, Y.; Berndtsson, R.; An, D.; Zhang, L.; Hao, Z.; Yuan, F. Hydrologic Response of Climate Change in the Source Region of the Yangtze River, Based on Water Balance Analysis. Water 2017, 9, 115.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Water EISSN 2073-4441 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top