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Las fuerzas impulsoras detrás de la reducción del agua virtual en la aglomeración urbana de la delta del río Yangtze
Linmei Zhang1,2, Yongxi Ma1,2
1School of Economics and Management, Zhejiang Sci-Tech University, Hangzhou 310018, China.
iScience
|January 1, 2026
Resumen
El comercio de agua virtual en el delta del río Yangtze redujo la huella hídrica de la región en un 6%. Las ciudades con escasez de agua exportan agua virtual, lo que destaca la necesidad de cooperación para mejorar la asignación de recursos hídricos.
Área de la Ciencia:
- Ciencias Ambientales
- Gestión de Recursos Hídricos
- Estudios Urbanos
Sus antecedentes:
- El comercio de agua virtual y la especialización regional son clave para la seguridad hídrica, pero sus impulsores e impactos no se comprenden completamente.
- La aglomeración urbana del delta del río Yangtze enfrenta complejos desafíos de recursos hídricos.
Objetivo del estudio:
- Desarrollar un marco de modelado basado en sistemas para analizar los patrones de transferencia de agua virtual.
- Identificar las relaciones de la red interurbana y cuantificar los impulsores socioeconómicos de la dinámica de la huella hídrica en el delta del río Yangtze.
Principales métodos:
- Marco de modelado basado en sistemas.
- Rastreo de patrones de transferencia de agua virtual.
- Cuantificación de factores socioeconómicos que influyen en la huella hídrica.
Principales resultados:
- La huella hídrica total de la región disminuyó un 6% entre 2010 y 2020.
- Las ciudades con escasez de agua son los principales exportadores de agua virtual, lo que representa casi la mitad de las exportaciones totales de agua virtual de la región.
- Los cambios en la intensidad del uso del agua, la estructura de producción y la demanda final impulsaron las reducciones de la huella hídrica en las provincias de Zhejiang y Anhui.
Conclusiones:
- La ineficiente asignación de recursos hídricos y el estrés hídrico no intencionado requieren cooperación interregional.
- Comprender la dinámica del agua virtual es crucial para la gestión sostenible del agua en las aglomeraciones urbanas.
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