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Article History

Received: 7 May 2020

Accepted: 25 July 2020

First Online: 6 August 2020

Compliance with ethical standards

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: The authors declare that they have no conflict of interest.

: Meteorological data are available at China Meteorological Data Service Center (). Data on abstraction water from groundwater and surface water, irrigation water and irrigation return water, storage capacity of all reservoirs in Yangtze River were collected from the water resources bulletins of the Yangtze River, which can be downloaded from Changjiang Water Resources Commission (CWRC, ).