Mapping the global threat of land subsidence

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Título: Mapping the global threat of land subsidence
Autor/es: Herrera García, Gerardo | Ezquerro Martín, Pablo | Tomás, Roberto | Béjar Pizarro, Marta | López-Vinielles, Juan | Rossi, Mauro | Mateos, Rosa María | Carreón-Freyre, Dora | Lambert, John | Teatini, Pietro | Cabral-Cano, Enrique | Erkens, Gilles | Galloway, Devin | Hung, Wei-Chia | Kakar, Najeebullah | Sneed, Michelle | Tosi, Luigi | Wang, Hanmei | Ye, Shujun
Grupo/s de investigación o GITE: Ingeniería del Terreno y sus Estructuras (InTerEs)
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Ingeniería Civil
Palabras clave: Land subsidence | Groundwater depletion
Área/s de conocimiento: Ingeniería del Terreno
Fecha de publicación: 1-ene-2021
Editor: American Association for the Advancement of Science
Cita bibliográfica: Science. 2021, 371(6524): 34-36. https://doi.org/10.1126/science.abb8549
Resumen: Subsidence, the lowering of Earth's land surface, is a potentially destructive hazard that can be caused by a wide range of natural or anthropogenic triggers but mainly results from solid or fluid mobilization underground. Subsidence due to groundwater depletion (1) is a slow and gradual process that develops on large time scales (months to years), producing progressive loss of land elevation (centimeters to decimeters per year) typically over very large areas (tens to thousands of square kilometers) and variably affects urban and agricultural areas worldwide. Subsidence permanently reduces aquifer-system storage capacity, causes earth fissures, damages buildings and civil infrastructure, and increases flood susceptibility and risk. During the next decades, global population and economic growth will continue to increase groundwater demand and accompanying groundwater depletion (2) and, when exacerbated by droughts (3), will probably increase land subsidence occurrence and related damages or impacts. To raise awareness and inform decision-making, we evaluate potential global subsidence due to groundwater depletion, a key first step toward formulating effective land-subsidence policies that are lacking in most countries worldwide.
Patrocinador/es: Funding for this study was provided partly by the Spanish Research Agency (AQUARISK, PRX19/00065, TEC2017-85244-C2-1-P projects) and PRIMA RESERVOIR project, and by all the institutions represented in the Land Subsidence International Initiative from UNESCO.
URI: http://hdl.handle.net/10045/111711
ISSN: 0036-8075 (Print) | 1095-9203 (Online)
DOI: 10.1126/science.abb8549
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2021, American Association for the Advancement of Science
Revisión científica: si
Versión del editor: https://doi.org/10.1126/science.abb8549
Aparece en las colecciones:INV - INTERES - Artículos de Revistas

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