[Aqualist] Lake cores and speleothems

[Andy Baker]

Hello,

If the AQUA 'crowd source' isn't successful, I could forward your request to a global speleothem list.

Like Jon, I can't recall a published example of an experiment designed to intentionally compare lakes and speleothems, but I know colleagues who have discussed this idea (e.g. Matt Jones, Nottingham, UK, using forward models and Turkish speleothems and lakes). Tony is correct, there is the Spannagel composite speleothem record in Europe has been compared to nearby lakes (See Nicole Vollweiler's GRL paper in 2006) for the late Holocene.

My suspicion is that it has been tried and there's data in theses, and also stories of failure out there. For myself, colleagues (Ian Boomer, Birmingham, UK) cored Loch Assynt in NW Scotland to get a lake record adjacent to our adjacent speleothem site to try to calibrate and extend the speleothem-based NAO-proxy. But the lake sediments were all reworked peat and that was that.... 

Yours,

Andy

UNSW SYDNEY, NSW 2052, AUSTRALIA
+61(0)4 501 48648    Room 5114, Biological Sciences South (E26)
Director of Research, School of Biological Earth and Environmental Sciences: http://bees.unsw.edu.au  
Associate Editor, Water Research
@baker_and                
http://bakerlabgroup.org
http://groundwaterDOC.org
https://research.unsw.edu.au/people/professor-andy-baker 



 

-----Original Message-----
From: Aqualist <aqualist-bounces at anu.edu.au> On Behalf Of Jonathan Tyler
Sent: Wednesday, 27 November 2019 11:53 PM
To: Alex Wall <alexfwall at gmail.com>
Cc: Aqualist at anu.edu.au
Subject: Re: [Aqualist] Lake cores and speleothems

Hi Alex,

off the top of my head, I can't think of any that explicitly combine data from speleothems and lakes. I'm sure there are though. The attached papers by Broxton Bird on Laguna Pumacocha (Peru) make a convincing case for the similarity between d18O records from lakes, speleothems and ice cores in the region.

As for explicit combination of data from lakes vs something else, John Anderson's work on Kassjon comparing diatoms and tree ring widths might be of interest:

https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-2486.1996.tb00090.x

Hope this helps a bit

Jon

On Wed, 27 Nov 2019 at 23:09, Alex Wall <alexfwall at gmail.com> wrote:

> Hi all,
>
> I'm hoping for some light crowd-sourcing--if you're aware of a study 
> comparing climate proxies in lake cores to those in nearby 
> speleothems, please point me in its direction!
>
> Thanks and happy holidays,
> Alex
>
>
> *Alexander F. Wall*
>
> PhD Student
>
> ARC Centre of Excellence for Australian Biodiversity and Heritage
>
> School of Earth, Atmospheric and Life Sciences/SMAH University of 
> Wollongong NSW 2522 Australia
>
> [image: image.jpeg]
> [image: image.png]
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--
Dr. Jonathan J. Tyler
Department of Earth Sciences
University of Adelaide
South Australia 5005
Australia
+61 (08) 8313 2810
http://researchers.adelaide.edu.au/profile/jonathan.tyler

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