A synchronous atmosphere-cryosphere-land response to climate on the northern Antarctic Peninsula since the mid-Holocene

Авторы: Evangelista H., Verkulich S., Mavlyudov B., Echer M.P., Licinio M.V., Dercon G., García-Rodríguez F., Neto A.A., Kusch S., Abuchacra R.C., Oaquim A.B., Gonçalves S.J., Pushina Z., Shimizu M.H., Heiling M., Slaets J., Resch C., Castillo A., Gruber R.
Сборник: Preprint from Research Square
Год издания: 2023
Первая страница: 1
Последняя страница: 33
DOI: 10.21203/rs.3.rs-3601682/v3
Аннотация: West Antarctica plays a pivotal role in sea level rise in projected scenarios with global socioenvironmentaland economic consequences. Therefore, describing its recent and past climate history and changes isessential for identifying the main climate controls and past responses. To better understand the climaticsensitivity of this region, we analyzed sedimentary records from newly surveyed proglacial lacustrineprofiles dated from the middle Holocene to the present on the North Antarctic Peninsula. We combinedatmosphere-glacier-land databases that evidenced a close coupling among these compartments duringintense melting events. Our analyses furthermore suggest that a short Neoglacial phase from ~2,000 kyrBP until the onset of the 20th century was possibly influenced by a combined long-term decline in totalsolar irradiance, Andean volcanism and ENSO.
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