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          Institute: MPI für Meteorologie     Collection: Land in the Earth System     Display Documents



ID: 533910.0, MPI für Meteorologie / Land in the Earth System
Simulated climate variability in the region of Rapa Nui during the last millennium
Authors:Junk, A.; Claussen, M.
Language:English
Date of Publication (YYYY-MM-DD):2011
Title of Journal:Climate of the Past Discussions
Journal Abbrev.:Clim. Past Disc.
Volume:7
Start Page:381
End Page:395
Review Status:not specified
Audience:Not Specified
Abstract / Description:Easter Island, an isolated island in the Southeast Pacific, was settled by the Polynesians probably between 600 and 1200 AD and discovered by the Europeans in 1722 AD. While the Polynesians presumably found a profuse palm woodland on Easter Island, the Europeans faced a landscape dominated by grassland. Scientists have examined potential anthropogenic, biological and climatic induced vegetation changes on Easter Island. Here, we analyze observational climate data for the last decades and climate model results for the period 800-1750 AD to explore potential causes for a climatic-induced vegetation change. A direct influence of the ENSO phenomenon on the climatic parameters of Easter Island could not be found in the model simulations. Furthermore, strong climatic trends from a warm Medieval Period to a Little Ice Age or rapid climatic fluctuations due to large volcanic eruptions were not verifiable for the Easter Island region, although they are detectable in the simulations for many regions world wide. Hence we tentatively conclude that large-scale climate changes in the oceanic region around Easter Island might be too small to explain strong vegetation changes on the island over the last millennium. © Author(s) 2011.
External Publication Status:accepted
Document Type:Article
Communicated by:Kauhs
Affiliations:MPI für Meteorologie/Land in the Earth System (2005-)
Identifiers:DOI:10.5194/cpd-7-381-2011
URL:http://www.clim-past-discuss.net/7/381/2011/cpd-7-...
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