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Actuar ahora reducirá la pérdida de glaciares

Guðfinna Aðalgeirsdóttir¹, Timothy D James²

¹Institute of Earth Sciences, University of Iceland, Reykjavèk, Iceland.

Science (New York, N.Y.)

|January 5, 2023

Resumen

Los glaciares de todo el mundo se enfrentan a la desaparición, pero la acción climática inmediata puede mitigar estas pérdidas. Comprender el derretimiento de los glaciares es crucial para predecir la disponibilidad futura de agua y el aumento del nivel del mar.

Área de la Ciencia:

Glaciología
Ciencias del clima
Ciencias del medio ambiente

Sus antecedentes:

Los glaciares son recursos críticos de agua dulce e indicadores del cambio climático.
El derretimiento acelerado de los glaciares plantea riesgos significativos para los ecosistemas y las poblaciones humanas.

Objetivo del estudio:

Evaluar el impacto proyectado del cambio climático en los glaciares globales.
Resaltar el potencial de las estrategias de mitigación para alterar las trayectorias de pérdida de glaciares.

Principales métodos:

Utilizó modelos climáticos avanzados para simular el equilibrio de masa de los glaciares bajo varios escenarios de emisiones.
Análisis de datos obtenidos por teledetección y mediciones in situ para su validación.

Principales resultados:

Se proyecta una pérdida sustancial de volumen de glaciares en la mayoría de las regiones para el año 2100.
Demostró que la mitigación climática ambiciosa puede reducir significativamente el grado de retroceso de los glaciares.

Conclusiones:

Es necesaria una acción global urgente para preservar los glaciares restantes.
El futuro de los glaciares depende directamente de la eficacia de las políticas climáticas a corto plazo.

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