Articles | Volume 17, issue 2
Clim. Past, 17, 721–751, 2021
https://doi.org/10.5194/cp-17-721-2021

Special issue: Paleoclimate data synthesis and analysis of associated uncertainty...

Clim. Past, 17, 721–751, 2021
https://doi.org/10.5194/cp-17-721-2021

Technical note 29 Mar 2021

Technical note | 29 Mar 2021

Technical note: Considerations on using uncertain proxies in the analogue method for spatiotemporal reconstructions of millennial-scale climate

Oliver Bothe and Eduardo Zorita

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Cited articles

Anand, P., Elderfield, H., and Conte, M. H.: Calibration of Mg/Ca thermometry in planktonic foraminifera from a sediment trap time series, Paleoceanography, 18, 1050, https://doi.org/10.1029/2002PA000846, 2003. a
Annan, J. D. and Hargreaves, J. C.: Identification of climatic state with limited proxy data, Clim. Past, 8, 1141–1151, https://doi.org/10.5194/cp-8-1141-2012, 2012. a, b, c, d
Bartlein, P. J. and Shafer, S. L.: Paleo calendar-effect adjustments in time-slice and transient climate-model simulations (PaleoCalAdjust v1.0): impact and strategies for data analysis, Geosci. Model Dev., 12, 3889–3913, https://doi.org/10.5194/gmd-12-3889-2019, 2019. a
Bendle, J. and Rosell-Melé, A.: High-resolution alkenone sea surface temperature variability on the North Icelandic Shelf: implications for Nordic Seas palaeoclimatic development during the Holocene, Holocene, 17, 9–24, https://doi.org/10.1177/0959683607073269, 2007. a
Bothe, O.: Reconstruction data and information about valid analogues for “Technical Note: Considerations on using uncertain proxies in the analogue method for spatiotemporal reconstructions of millennial-scale climate”, Open Science Framework, https://doi.org/10.17605/OSF.IO/PJ9EG, 2019. a
Short summary
The similarity between indirect observations of past climates and information from climate simulations can increase our understanding of past climates. The further we look back, the more uncertain our indirect observations become. Here, we discuss the technical background for such a similarity-based approach to reconstruct past climates for up to the last 15 000 years. We highlight the potential and the problems.