ESA Data Ontology: ESADO: FIRN LIMIT

Science Keywords > EARTH SCIENCE > CLIMATE INDICATORS > CRYOSPHERIC INDICATORS > FIRN LIMIT

FIRN LIMIT

A line that marks the limit on a mountain above which snow persists from one winter to the next is called the annual snowline, and this line on a glacier is called the firnline. Above the firnline, snow that falls each year packs down and changes into glacier ice as air is slowly forced out of it. This part of the glacier is its accumulation area where more snow falls each year than is lost by melting. Below the firnline is the ablation area, where melting predominates. (en)

2012-06-26 13:19:43.0 [gee-cee] Insert Concept add broader relation (FIRN LIMIT [9fec9f47-c45d-4f15-8be5-d71424f33647,39905] - CRYOSPHERIC INDICATORS [76b8c21c-c221-4724-86ef-c07222cb152b,39899]);
2012-07-10 10:38:34.0 [mpmorahan] insert Definition (id: null text: A line that marks the limit on a mountain above which snow persists from one winter to the next is called the annual snowline, and this line on a glacier is called the firnline. Above the firnline, snow that falls each year packs down and changes into glacier ice as air is slowly forced out of it. This part of the glacier is its accumulation area where more snow falls each year than is lost by melting. Below the firnline is the ablation area, where melting predominates. language code: en);

https://gcmd.earthdata.nasa.gov/kms/concept/9fec9f47-c45d-4f15-8be5-d71424f33647

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