Article

An ET-dependent VPD threshold frontier of cropland water–carbon coupling and its modulation by deep soil water under salinized irrigation: evidence from the Hetao Irrigation District, China

2026-04-21

Abstract excerpt

<title>Abstract</title> <p>Understanding when additional water consumption ceases to yield proportional carbon gain is essential for irrigation-dominated croplands exposed to strong atmospheric demand. Using the Hetao Irrigation District in arid northern China as a representative system, we developed a frontier-based framework to diagnose how evapotranspiration (ET), vapor pressure deficit (VPD), and deep soil wa...

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Literature Corpus work: 1122791e-692b-52d4-b914-9260e62647fc
DOI: 10.21203/rs.3.rs-9307876/v1

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An ET-dependent VPD threshold frontier of cropland water–carbon coupling and its modulation by deep soil water under salinized irrigation: evidence from the Hetao Irrigation District, ChinaDOI 10.21203/rs.3.rs-9307876/v1Read

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