Articles | Volume 18, issue 12
https://doi.org/10.5194/bg-18-3579-2021
https://doi.org/10.5194/bg-18-3579-2021
Research article
 | 
17 Jun 2021
Research article |  | 17 Jun 2021

Revised fractional abundances and warm-season temperatures substantially improve brGDGT calibrations in lake sediments

Jonathan H. Raberg, David J. Harning, Sarah E. Crump, Greg de Wet, Aria Blumm, Sebastian Kopf, Áslaug Geirsdóttir, Gifford H. Miller, and Julio Sepúlveda

Viewed

Total article views: 4,232 (including HTML, PDF, and XML)
HTML PDF XML Total Supplement BibTeX EndNote
2,688 1,452 92 4,232 514 95 86
  • HTML: 2,688
  • PDF: 1,452
  • XML: 92
  • Total: 4,232
  • Supplement: 514
  • BibTeX: 95
  • EndNote: 86
Views and downloads (calculated since 28 Jan 2021)
Cumulative views and downloads (calculated since 28 Jan 2021)

Viewed (geographical distribution)

Total article views: 4,232 (including HTML, PDF, and XML) Thereof 3,976 with geography defined and 256 with unknown origin.
Country # Views %
  • 1
1
 
 
 
 

Cited

Latest update: 21 Nov 2024
Download
Short summary
BrGDGT lipids are a proxy for temperature in lake sediments, but other parameters like pH can influence them, and seasonality can affect the temperatures they record. We find a warm-season bias at 43 new high-latitude sites. We also present a new method that deconvolves the effects of temperature, pH, and conductivity and generate global calibrations for these variables. Our study provides new paleoclimate tools, insight into brGDGTs at the biochemical level, and a new method for future study.
Altmetrics
Final-revised paper
Preprint