Climate-driven gains fail to mask the anthropogenic water crisis in Northern China
摘要
Over 1.8 billion people worldwide face water scarcity threats, with the challenge particularly acute in densely populated and agriculture-intensive drylands. Northern China, among the world’s most water-stressed regions, faces an intensifying yet poorly understood imbalance between freshwater supply and consumptive demand. Here, we reveal a sustained decline in terrestrial water storage (TWS) in recent decades (2004–2022) at −9.15 ± 1.24 Gt/yr. Although climate change delivers substantial water gains (+12.44 Gt/yr), irrigation consumption (−16.16 Gt/yr) overwhelms these climate-driven water gains and dominates regional water depletion. Industrial and domestic water use contribute an additional −4.43 Gt/yr, while large-scale ecological restoration inadvertently amplifies water losses through vegetation-driven enhancement of evapotranspiration (−0.91 Gt/yr). Future projections indicate that under the intermediate and high emission scenarios, TWS will continue declining through mid-century (2041–2060), with supply-demand gaps widening by 65% and 120%, respectively. These findings reveal an anthropogenic water management crisis and highlight the urgency of systemic interventions to avoid escalating water risks.