Contrasting diurnal impacts of vapor pressure deficit on water use efficiency in two semiarid steppe ecosystems

Contrasting diurnal impacts of vapor pressure deficit on water use efficiency in two semiarid steppe ecosystems

Abstract Background Water use efficiency (WUE), a pivotal metric of carbon–water coupling strength in terrestrial ecosystems, is strongly regulated by vapor pressure deficit (VPD), yet its diurnal dynamics under contrasting water availability remain unclear. Methods Using half-hourly eddy-covariance...

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Bibliographic Details
Main Authors: Haoran Xie, Shichao Tian, Fei Li, Jiali Sun, Xinmiao Hu, Haihua Bai, Changliang Shao
Format: Article
Language:English
Published: SpringerOpen 2025-08-01
Series:Ecological Processes
Subjects:
Diurnal carbon–water dynamics
Eddy covariance
Meadow steppe
Typical steppe
Water use efficiency
Vapor pressure deficit
Online Access:https://doi.org/10.1186/s13717-025-00636-7
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https://doi.org/10.1186/s13717-025-00636-7

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