KROnline Seminar

KROnline is an online seminar series, which aims to bridge the gap in sharing research within our community whilst we wait for an opportunity to host KR9 in Innsbruck, Austria, in a physical format. Please note, it is not intended as a replacement for the physical conference and as such we cannot accommodate all the normal activities one would find at a conference (e.g. workshops, coffee breaks etc).

Following a community survey, we have opted for a monthly 2-hour seminar between December 2020 and March 2021. Each session is scheduled at a different time to allow colleagues from different time zones to participate in the seminar series.

Abstracts and posters will be provided in due course.

 Joining instructions are provided below.

Session 1: Wed. 16th December, 2020, 1500-1700 UTC

Conveners: Sebastian Breitenbach (Northumbria, UK), Sarah Truebe (Arizona, US), Gina Moseley (Innsbruck, AT; KROnline host)

Open topic: all topics of relevance to climate change from karst records


1450 - 1500: Join meeting

1500 - 1505: Introduction

1505 - 1525: Jian Zhang (University of Bordeaux). Quantitative assessments of moisture sources and temperature governing rainfall d18O from 20 years' monitoring records in SW-France: Importance for isotopic-based climate reconstructions. View recording.

1525 - 1545: Cameron de Wet (Vanderbilt University). Semi-quantitative estimates of rainfall variability during the 8.2kyr event in California using speleothem calcium isotope ratios. View recording.

1545 - 1605: Oliver Kost (ETH Zurich). Deglacial freshenings and cooling events during MIS 6 recorded in NISA stalagmites. View Recording.

1605 - 1625: Andrea Martín Pérez (Research Centre of the Slovenian Academy of Sciences and Arts). Environmental or microbiological factors controlling moonmilk vs. columnar speleothem fabrics? Recording not available.

1625 - 1630: Final discussion

1630 - 1700: Posters in breakout rooms, plus social breakout rooms, and continued discussion from oral presentations if desired


Stacy Carolin (University of Cambridge): Holocene stable isotope record of insolation and rapid climate change in a stalagmite from the Zagros of Iran

Mercè Cisneros (Universitat de Barcelona): Hydroclimate reconstruction since pre-Roman times: central-western Mediterranean stalagmite multi-proxy records

Daniel James (University of Cambridge): A multi-proxy record of inceased aridity during the Maya Terminal Classic from Columnas Cave, NW Yucatan

Vanessa Johnston (Research Centre of the Slovenian Academy of Sciences and Arts): Last interglacial hydroclimate reconstructed from flowstones from Bigonda Cave, NE Italy
Posters and abstracts are available to download from here
Session 2: Thurs. 21st January, 2021, 2200-2400 UTC

Conveners: Barbara Wortham (UC Davis, US), Chris Wood (Waikato, NZ), Kathleen Wendt (Oregon, US; KROnline host)

Open topic: all topics of relevance to climate change from karst records


2145 - 2200: Join meeting

2200 - 2205: Introduction

2205 - 2225: John Engel (University of Melbourne): Using speleothems to constrain uplift rates in karst terranes. View Recording

2225 - 2245: Kerstin Braun (Arizona State University): Comparison of climate and environment on the South African south coast to the Little Karoo in Marine Isotope Stages 5 - 3 as indicated by speleothems. View Recording

2245 - 2305: Dave Mattey (Royal Holloway, University of London): Meteorological controls on ventilation and spatial distribution of CO2 in Gibraltar caves and climatic interpretation of 13C speleothem proxy records. View Recording

2305 - 2325: Marcela Godoy (University of São Paulo): Reconstruction of the last three millenia South American Monsoon variability over the Amazon basin using speleothem isotope records. View Recording

2325 - 2330: Final discussion

2330 - 2400: Posters in breakout rooms, plus social breakout rooms, and continued discussion from oral presentations if desired


Bryce Belanger (Vanderbilt University): Assembling a late-Holocene climate record for Titan Cave, Wyoming

Yijia Liang: East Asian monsoon changes early in the last deglaciation and insights into the interpretation of oxygen isotope changes in the Chinese stalagmite record

Maialen Lopez-Elorza (Complutense University): Different scenarios for fluid inclusions entrapment in calcite stalagmites

Elizabeth Patterson (University of California): A preliminary record (4-45ka) of fall/winter monsoon variability from central Vietnam 

 Heather Stoll (ETH Zurich): Can and should we correct measured stalagmite d13C and d18O for the effect of PCP?

Posters and abstracts are available to download from here.

Session 3: Mon. 22nd February, 2021, 0800-1000 UTC

Conveners: Maria Belén Muñoz-García (Madrid, ES), Haiwei Zhang (Xi'an, CN), Kale Sniderman (Melbourne, AU), Stacy Carolin (Cambridge, UK; KROnline host)

Open topic: speleothem paleoclimate records from mid-to-low latitudes


0745 - 0800: Join meeting

0800 - 0805: Introduction

0805 - 0825: Franziska Lechleitner (University of Bern): Stalagmite carbon isotopes suggest deglacial increase in soil respiration in Western Europe driven by temperature change. Recording not available.

0825 - 0845: Yves Krüger (University of Bergen): A tropical cave temperature record derived from fluid inclusion liquid vapour homogenisation. Recording not available.

0845 - 0905: Rieneke Weij (The University of Melbourne): Speleothem growth in semi-arid south-eastern Australia: evidence for a ~25 kyr lag of effective precipitation behind temperature over the past three glacial-interglacial cycles. View Recording.

0905 - 0925: Hamish Couper (University of Oxford): Increased rainfall at the Northern fringes of the Sahara between 8.8 and 4.3 kyr BP. Recording not available.

0925 - 0930: Final discussion

0930 - 1000: Posters in breakout rooms, plus social breakout rooms, and continued discussion from oral presentations if desired


Andrea Columbu (University of Bologna): Late last glacial and termination-I in southern Italian speleothems

Marit Holten Loeland (University of Bergen): Last Glacial Maximum to Holocene temperature change in the tropics determinert from stalagmite fluid inclusions

Mojgan Soleimani (University of Innsbruck): Climate variations in southwestern Iran, 25 to 10 ka

Christopher Theaker (University of Oxford): Significantly reduced Holocene ENSO variability coeval with the so-called 4.2 kyr event recorded in Borneo stalagmite d18

Annabel Wolf (University of Northumbria): Reconstructing climate variability in central Vietnam and its forcing mechanisms during the Holocene

Posters and abstracts are available to download from here.

Session 4: Thurs. 11th March, 2021, 1800-2000 UTC

Conveners: Kathleen Johnson (Irvine, US), Andrea Columbu (Bologna, IT), Gabriella Koltai (Innsbruck, AT; KROnline host)

Open topic: all topics of relevance to climate change from karst records


1745 - 1800: Join meeting

1800 - 1805: Introduction

1805 - 1825: Gayatri Kathayat (Xian Jiaotong University): Ocean and Land Moisture Contributions as Drivers of South Asian Summer Monsoon Precipitation Oxygen Isotope Variability

1825 - 1845: Meighan Boyd (Royal Holloway, University of London): Climate and environmental indicators in trace element variations from Gibraltar speleothems: Snapshots and big picture from present day, the Holocene and Last Glacial

1845 - 1905: Julio Cauhy Rodrigues (University of São Paulo): Paleoflood and paleoclimate reconstruction based on high-resolution multiproxy geochemistry of speleothems from Paraná state, Brazil. View recording.

1905 - 1925: Justyna Miszkiewicz (Australian National University) and Julien Louys (Griffith University): Rodent bone histology reflects metabolic responses of small mammals to marine isotope stages in cave deposits. View recording.

1925 - 1930: Final discussion

1930 - 2000: Posters in breakout rooms, plus social breakout rooms, and continued discussion from oral presentations if desired


Josefine Axelsson (Stockholm University) & Janica Bühler (Heidelberg University): Global analysis of the SISALv2 database compared to multiple last millennium model simulation runs

Inga Kristina Kerber (Heidelberg University): Palaeoclimate as demonstrated from speleothem age distributions in Northwestern Europe

Andrea Molero (Complutense University of Madrid): Growth patterns and fabrics in calcite stalagmites from Don Juan Cave (Valencia, Spain)

Ming-Qiang Liang (National Taiwan University): Chronology construction of a stalagmite from southwest China by 14C, 230Th/U and 210Pb dating methods

Jessica Oster (Vanderbilt University): Estimating deglacial precipitation change in western North American from speleothem records and isotope-enabled model simulations

Dana Riechelmann (Johannes Gutenberg University Mainz): Long-term elemental trends in drip waters from monitoring Bunker Cave: new insights for past precipitation variability

Posters and abstracts are available to download from here.


Time-zone check:

If you would like to check the local time for your location, please visit here:

Event location: insert London, UK (for UTC)

Day-Month-Year: insert date for the session of interest

Hour: insert time in UTC of the session of interest

The programme will automatically convert to the clock time on your computer (which hopefully is correct for your location).

Joining Instructions:
  • The seminar series will be held on Zoom. Apologies to Chinese colleagues, it was not possible to find a software that works worldwide including China, that has all the functionality needed for this seminar.
  • You can use Zoom on a computer through a web browser.  This lets you use some of Zoom's features without downloading plug-ins or software.  However, the web client has limited features, thus it is better to download the Zoom Client for Meetings app for a better experience (
  • Presenters can join the meeting from 30 minutes before the start time to test their system and screen sharing. Presenters may also request another time for testing if desired.
  • Listeners can join the meeting from 15 minutes before the start time.
  • The meeting link is Meeting ID: 894 0778 5533. Passcode: v5izqL. This is the same for all sessions.
  • Upon joining, you will be in a 'waiting room' until the KROnline host lets you in.
  • To speed up the process, please make sure that you are properly identified in your display name with your name and affiliation, e.g. Gina Moseley (Innsbruck). For anyone using aliases, you will be asked to identify yourself by the KROnline host in order to join. This will hopefully prevent the meetings from being spammed by bots.
  • All participants are automatically muted upon entry. Please do not unmute unless requested.
  • If you would like to ask a question following an oral presentation, please write only the word 'question' in the chat. This can be done at any time. Following the presentation, the chairs will ask you to unmute your microphone and turn on your camera so that you can ask your question in person. If you do not have a microphone, you can write it in the chat (please have it prepared in this case so that we are not waiting for you to type).
  • Recording in any format is expressly forbidden. Each presenter will have the option of whether their presentation is recorded, and this will be carried out only by the KROnline host.
  • Following the oral presentations, breakout rooms will be made available for each poster presenter. The breakout rooms will have the name of each presenter. Poster presenters should join their respective room.
  • Participants can move freely between the poster breakout rooms and the main session.
  • If participants require additional breakout rooms for socialising or continuing discussion of the oral presentations, please request this of the KROnline Host in the chat.


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