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Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Articles | Volume 17, issue 18
Biogeosciences, 17, 4545–4557, 2020
https://doi.org/10.5194/bg-17-4545-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 17, 4545–4557, 2020
https://doi.org/10.5194/bg-17-4545-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 16 Sep 2020

Research article | 16 Sep 2020

Modern calibration of Poa flabellata (tussac grass) as a new paleoclimate proxy in the South Atlantic

Dulcinea V. Groff et al.

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Carbon and oxygen stable isotopes in alpha cellulose from Poa flabellata leaf and root material collected between September 2015 to September 2016 in the Falkland Islands at four different locations. Dulcinea V. Groff, David G. Williams, Jacquelyn L. Gill https://doi.org/10.5281/zenodo.3104573

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Tussock grasses that grow along coastlines of the Falkland Islands are slow to decay and build up thick peat layers over thousands of years. Grass fragments found in ancient peat can be used to reconstruct past climate because grasses can preserve a record of growing conditions in their leaves. We found that modern living tussock grasses in the Falkland Islands reliably record temperature and humidity in their leaves, and the peat they form can be used to understand past climate change.
Tussock grasses that grow along coastlines of the Falkland Islands are slow to decay and build...
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