Definición:
Masa de hielo que resbala en sentido descendente por acción de la gravedad (por deformación interna o deslizamiento en la base) y presenta presión interna y fricción en la base y los lados. Un glaciar se mantiene por la acumulación de nieve en altitudes elevadas y se equilibra al fundirse a altitudes inferiores o al descargarse en el mar.
Fuente:
Food and Agriculture Organization of the United Nations, AQUASTAT Web Site
Bates, B.C., Z.W. Kundzewicz, S. Wu and J.P. Palutikof, Eds. 2008. Climate change and water. Technical Paper VI of the Intergovernmental Panel on Climate Change. IPCC Secretariat, Geneva, 210 pp.
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Términos Relacionados:
En Glosario Aquastat: Existencias de agua,Recursos hídricos no renovables
En Glosario de Riego: glaciar