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You are here: Home / Extras / Glossary / ‘Proxy’ ou marqueur climatique

‘Proxy’ ou marqueur climatique

28 Nov 2004 by group

Translations: (English)
English

Les marqueurs ou ‘proxis’ climatiques sont des sources d’information sur le climat provenant d’archives naturelles comme les cernes de croissance des arbres, les carottes glaciaires, les coraux, les sédiments lacustres et océaniques, les pollens ; ou d’archives humaines comme les enregistrements historiques et journaux, qui peuvent etre utilisés pour estimer les conditions climatiques avant la période moderne (environ le milieu du 19eme siecle), période pendant laquelle des mesures instrumentales sont largement disponibles. Les ‘proxis’ doivent etre calibrés sur les données instrumentales modernes pour fournir une reconstruction quantitative du climat.

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