Conference papers, abstracts and talks

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EGU 2024, Vienna, Austria & Online, April 14-19, 2024

Alexander Sobolev, Valentina Batanova, Adrien Vezinet and Matéo Esteban have presented their results.

AGU 2023, San Francisco, USA, December 11-15, 2023

1. Carley, T., Banik, T.J., Sigmarsson, O., Halldorsson, S.A., Valley, J.W., Zhang, M., Merritt, M., Driggs, L., 2023. A Petrologic Introduction to Þórðarhyrna (Thordarhyrna), a Subglacial Silicic Formation in the Basaltic Grímsvötn-Laki Volcanic System. Presented at the AGU 23, San Francisco, CA & Online Everywhere. https://agu.confex.com/agu/fm23/meetingapp.cgi/Paper/1401760 (December 11-15, 2023)

2.Chugunov A.V., Sobolev A.V., Vezinet A., Batanova V.G., Asafov E.V., Kitajima K., Valley .W., 2023. Crystallization conditions and source composition of 3.3 Ga Barberton komatiites based on composition of melt inclusions and host olivine: evidence for Hadean depleted source of primary komatiite melt and its near-surface contamination. Presented at the AGU 2023, San Francisco, CA & Online Everywhere. https://agu.confex.com/agu/fm23/meetingapp.cgi/Paper/1336914 (December 11-15, 2023)

3. Crisp L.J., Blum T.B., Kitajima K., Nachlas W.O., Kita N.T., Shimizu K., Valley J.W., 2023. H2O contents of zircon-hosted melt inclusions from the Yellowstone Volcanic Field and P-T estimates at the time of eruption. Presented at the AGU 2023, San Francisco, CA & Online Everywhere https://agu.confex.com/agu/fm23/meetingapp.cgi/Paper/1313512 (December 11-15, 2023)

4. Driggs L., Banik, T.J. Carley T.L., Merritt M., Halldórsson S.A., Zhang M., Valley J.W., 2023. Oxygen isotopes in zircon and rhyolite characterization from Esjufjöll volcano, Iceland. Presented at the AGU 2023, San Francisco, CA & Online Everywhere (December 11-15, 2023)

5. Esteban M., Sobolev A.V., Batanova V.G., Vezinet A., Asafov E.V., Krasheninnikov S., 2023. Origin of the Siberian Meimechites. Presented at the AGU 2023, American Geophysical Union, San Francisco, CA & Online Everywhere. https://agu.confex.com/agu/fm23/meetingapp.cgi/Paper/1382301 (December 11-15, 2023)

6. Gonzalez J.P., Kitajima K., Blum T.B., Shimizu K., Almeev R., Holtz F., Kamo S., Spicuzza M.J., Valley J.W., 2023. The Effects of Experimental Rehomogenization on Major Element and Oxygen Isotope Compositions of Melt Inclusions in Zircon. Presented at the AGU 2023, San Francisco, CA & Online Everywhere https://agu.confex.com/agu/fm23/meetingapp.cgi/Paper/1393719 (December 11-15, 2023)

7. Shimizu K., Almeev R., Blum T.B., Bonamici C.E., Davis D.W., Fournelle J.H., Holtz F., Kita N.T., Kitajima K., Nachlas W.O., Sobolev A.V., Spicuzza M.J., Valley J.W., 2023. Insights into the Tectono-Magmatic Origin of 2,736 Ma Volcanics from the Superior Province: Oxygen Isotopes, Trace Elements, and H2O in Zircons and Zircon Melt Inclusions. Presented at the AGU 2023, San Francisco, CA & Online Everywhere https://agu.confex.com/agu/fm23/meetingapp.cgi/Paper/1305309 (December 11-15, 2023)

8. Sobolev A.V., Vezinet A, Chugunov A.V., Kazzy C. Esteban M., Batanova V. G., Asafov E.V., Danyushevsky L.V., Sobolev S.V., Jain C., Valley J.W. Mantle Plumes as Monitors of Earth’s Evolution Over the Time. Presented at the AGU 2023, San Francisco, CA & Online Everywhere. (December 11-15, 2023). Link to poster and abstract

Geochronology, Gordon Research Conference, US, August 13-18, 2023

Mixon E., Bauer A.M., Blum T.B., Valley J.W., Kitajima K., 2023. Evaluating zircon trace element proxies for Archean tectonic provenance using suites of cogenetic zircon from the Acasta Gneiss Complex. Presented at the Geochronology Gordon Conference & Symposium, West Dover, VT, US (August 13-18, 2023). https://bauer.geoscience.wisc.edu/wp-content/uploads/sites/1229/2023/08/GRC-Abstract-Mixon.pdf

M&M Microsopy & Analysis 2023, Minneapolis, MN, US, July 23-27, 2023

Batanova V.G., Sobolev A.V., 2023. Development of Reference Materials for Microanalysis in Geosciences: The Case of Olivine MongOL Sh11–2, in: 2023 Proceedings Microscopy and Microanalysis. Presented at the Microscopy Society of America (M&M) 2023 Meeting, Oxford University Press, Minneapolis, Minnesota, USA, pp. 227–228. https://doi.org/10.1093/micmic/ozad067.101

Hutton Symposium 2023, Baveno, Italy, September 10-15, 2023

Bauer A.M., 2023. The tectonic regimes of the earliest continents. Presented at the Hutton Symposium 2023, Baveno, Italy. Junior keynote talk recording

Goldschmidt Conference 2023, Lyon, France, July 9-14, 2023

1. Bauer A.M., Mixon E., Tappa M.J., J.R. Reymink, 2023. Reevaluation of the highly contested Nd isotope record of the 4.0-2.9 Ga Acasta Gneiss Complex, Canada presented at the Goldschmidt Conference 2023 in Lyon, France (July 9-14, 2023) Keynote presentation

2. Blum T.B., Kitajima K., Kita N.T., Valley J.W., 2023. Analysis of trace elements in zircon at high mass resolving power using forward-geometry ion mass spectrometry. Presented at the Goldschmidt Conference 2023, Lyon, France. https://conf.goldschmidt.info/goldschmidt/2023/meetingapp.cgi/Paper/18944 (July 9-14, 2023)

3. Jain C., Sobolev S.V., Sobolev A.V., 2023. Thermochemical models of early Earth evolution constrained by isotopic systems. Presented at the Goldschmidt 2023 Conference, Lyon, France. https://conf.goldschmidt.info/goldschmidt/2023/meetingapp.cgi/Paper/19652 (July 9-14, 2023)

4. Shimizu K., Almeev R., Blum T.B., Bonamici C.E., Davis D.W., Fournelle J.H., Holtz F., Kita N.T., Kitajima K., Nachlas W.O., Sobolev A.V., Spicuzza M.J., Valley J.W., 2023. U-Nb-Sc-Ce-Yb-Ti in Zircons and H2O in Zircon Melt Inclusions: Insights into the Tectono-Magmatic Origin of 2,736 Ma Volcanics from the Superior Province. Presented at the Goldschmidt Conference 2023, Lyon, France. https://conf.goldschmidt.info/goldschmidt/2023/meetingapp.cgi/Paper/17097 (July 9-14, 2023)

5. Sobolev S.V., Jain C., Sobolev A.V., Valley J.W., 2023. Geodynamic model reconciles apparently controversial geochemical indications of subduction for the Hadean and Eo-Archean Earth. Presented at the Goldschmidt Conference 2023, Lyon, France. https://conf.goldschmidt.info/goldschmidt/2023/meetingapp.cgi/Paper/17097 (July 9-14, 2023)

6. Turnier R.B., Palke A.C., Kitajima K., Valley J.W., 2023. Sapphires and syenite skarn: oxygen isotope trends among Mogok-area mines, Myanmar. Presented at the Goldschmidt Conference 2023, Lyon, France. (July 9-14, 2023)

7. Valley J.W., Blum T.B., Shimizu K., Kitajima K., Spicuzza M.J., Kita N.T., Almeev R., Holtz F., Sobolev A.V., Cavosie A.J., 2023. Nb & Sc in 4.4 to 2.7 Ga Zircons: Contrasting Hadean Sources for Jack Hills vs. Barbeton. Presented at the Goldschmidt Conference 2023, Geochemical Society, Lyon, France. https://conf.goldschmidt.info/goldschmidt/2023/meetingapp.cgi/Paper/17097 (July 9-14, 2023)

8. Vezinet A., Sobolev A.V., Chugunov A.V., Asafov E.V., Batanova V.G., Danyushevsky L., Sobolev S.V., Jain C., Valley J.W., 2023. Strontium isotopes paradox of Archean komatiites. Presented at the Goldschmidt Conference 2023, Geochemical Society, Lyon, France. https://conf.goldschmidt.info/goldschmidt/2023/meetingapp.cgi/Paper/19134 (July 9-14, 2023)

EGU General Assembly 2023, Vienna, Austria & Online Everywhere, April 23-28, 2023

Eberhard J., Bevan O.E., Feulner G., Petri S., van Hunen J., Baldini J.U.L., 2023. Sensitivity of Neoproterozoic Snowball-Earth inceptions to continental configuration, orbital geometry, and volcanism. Presented at the EGU General Assembly 2023, Copernicus Meetings, Vienna, Austria & online. https://doi.org/10.5194/egusphere-egu23-7084 (April 23-28, 2023)

AGU Fall Meeting 2022, Chicago, IL & Online Everywhere, December 12-16, 2022

1. Chugunov A.V., Sobolev A.V., Vezinet A., Batanova V.G., Asafov E.V., Danyushevsky L., 2022. First Data on Sr Isotopes in Melt Inclusions in Olivine From 3.3 Ga Barberton Komatiites: Evidence of Differentiated Mantle by the End of the Hadean and Its Near-Surface Contamination. Presented at the AGU Fall Meeting 2022, Chicago, IL, USA & online everywhere. https://agu.confex.com/agu/fm22/meetingapp.cgi/Paper/1105766 (December 12-16, 2022)

2. Kazzy C., Sobolev A.V., Vezinet A., Gurenko A., Asafov E.V., Hanski E., Puchtel I.S., Izokh A.E., Batanova V.G., Danyushevsky L., 2022. Unusual Endmembers and Water Excess in Song Da 260 Ma Komatiites Revealed by Sr Isotopes and Trace Elements in Melt Inclusions. Presented at the AGU Fall Meeting 2022, Chicago, IL, USA & online everywhere. https://agu.confex.com/agu/fm22/meetingapp.cgi/Paper/1104244 (December 12-16, 2022)

3. Shimizu K., Hannon J.S., Almeev R., Blum T.B., Bonamici C.E., Fournelle J.H., Holtz F., Kita N.T., Nachlas W.O., Sobolev A.V., Spicuzza M.J., Valley J.W., 2022. δ18O and H2O contents of Melt Inclusions in 2.7Ga Volcanic Zircons from the Superior Province. Presented at the AGU Fall Meeting 2022, Chicago, IL, USA & online everywhere. https://agu.confex.com/agu/fm22/meetingapp.cgi/Person/45872 (December 12-16, 2022)

4. Sobolev A.V., Vezinet A., Chugunov A.V., Asafov E.V., Batanova V.G., Kazzy C., Danyushevsky L., 2022. The processes in the Hadean Mantle Detected by the In-Situ Study of Melt Inclusions in Komatiite Olivine Phenocrysts. Presented at the AGU Fall Meeting 2022, Chicago, IL, USA & online everywhere. https://agu.confex.com/agu/fm22/meetingapp.cgi/Paper/1168969 (December 12-16, 2022)

5. Vezinet A., Sobolev A.V., Chugunov A.V., Kazzy C., Danyushevsky L., 2022. Laser Ablation Sr-Isotope Analyses of Low Sr Contents Glasses and Associated Trace Elements in Split Stream: Pros and Cons of Different Approaches. Presented at the AGU Fall Meeting 2022, Chicago, IL & Online Everywhere. (https://agu.confex.com/agu/fm22/meetingapp.cgi/Paper/1157984 (December 12-16, 2022)

Geological Society of America GSA Connects 2022, Denver, Colorado, US & Online Everywhere, October 9-12, 2022

1. Mixon E., Bauer A.M., O’Neil J., Rizo H., Blum T.B., Valley J.W., 2022. Early and Variable Contributions from Supracrustal Rocks in Archean Magmas from the Saglek Block. Presented at the GSA Connects 2022, Denver, Colorado, USA. https://gsa.confex.com/gsa/2022AM/webprogram/Paper381494.html (October 9-12, 2022)

2. Valley J.W., 2022. Microanalysis of Oxygen Isotope ratios I : My favorite minerals. Presented at the GSA Connects 2022 meeting in Denver, Colorado, USA & Online Everywhere. https://doi.org/doi: 10.1130/abs/2022AM-377717 (October 9-12, 2022)

3. Valley, J.W., 2022. Microanalysis of Oxygen Isotope ratios II : Biocarbonates. Presented at the GSA Connects 2022 meeting in Denver, Colorado, USA & Online Everywhere. https://doi.org/doi: 10.1130/abs/2022AM-377181 (October 9-12, 2022)

Ada Lovelace Workshop 2022, Héviz, Hungary, August 28 - September 2, 2022

1. Jain C., Sobolev A.V., 2022. Using composite rheology models to explore the interplay between continent formation, surface erosion, and the evolution of plate tectonics on Earth. Presented at the 2022 Ada Lovelace Workshop on Numerical Modelling of Mantle and Lithosphere Dynamics, EGU European Geosciences Union, Hévíz, Hungary, p. 185 https://meetings.copernicus.org/2022AdaLovelaceWorkshop/conference-booklet.pdf (August 28 - September 2, 2022)

2. Kendall E., Sobolev A.V., Glerum A., Brune S., 2022. Controls on plate tectonic evolution. Presented at the 2022 Ada Lovelace Workshop on Numerical Modelling of Mantle and Lithosphere Dynamics, Hévíz, Hungary. https://meetings.copernicus.org/2022AdaLovelaceWorkshop/conference-booklet.pdf (August 28 - September 2, 2022)

3. Sobolev A.V., Jain C., Kendall E., 2022. Earth’s evolution from the Hadean to the present: numerical models versus observations. Presented at the 2022 Ada Lovelace Workshop on Numerical Modelling of Mantle and Lithosphere Dynamics, Hévíz, Hungary.https://meetings.copernicus.org/2022AdaLovelaceWorkshop/conference-booklet.pdf (August 28 - September 2, 2022)

Goldschmidt Conference 2022, July 11-15, 2022

1. Chugunov, A.V., Sobolev, A.V., Vezinet, A., Batanova, V.G., Asafov, E.V., Gurenko, A., Danyushevsky, L., 2022. First data on Sr isotopes in melt inclusions in olivine from 3.3 Ga Barberton komatiites: evidence for depleted source of primary komatiite melt and its near-surface contamination. Presented at the 2022 Goldschmidt Conference . https://conf.goldschmidt.info/goldschmidt/2022/meetingapp.cgi/Paper/11913 (July 11-15, 2022)

2. Kazzy C., Sobolev A.V., Vezinet A., Gurenko A., Asafov E.V., Hanski E., Puchtel I.S., Izokh A.E., Batanova V.G., Danyushevsky L., 2022. Sr isotopes and trace elements in melt inclusions from 260 Ma Song Da komatiites, northern Vietnam, reveal evidence of component mixing and water excess in their parental melt. Goldschmidt Conference. Presented at the Goldschmidt Conference, Geochemical Society, Honolulu, Hawaii, USA. https://goldschmidtabstracts.info/abstracts/abstractView?id=2020008196 (July 11-15, 2022)

3. Sobolev A.V., Vezinet A., Batanova V.G., Kazzy C., Chugunov A.V., Gavrilenko D., Asafov E.V. 2022. Evolution of Earth Mantle since Eoarchean detected by in-situ study of melt inclusions in komatiite olivine phenocrysts. Goldschmidt Conference, Honolulu, Hawaii, USA (July 2022) https://doi.org/10.46427/gold2022.11927

4. Shimizu K., Hannon J.S., Blum T.B., Bonamici C.E., Fournelle J.H., Kita N.T., Klug J.D., Nachlas W.O., Singer B.S., Spicuzza M.J., Wathen B.A., Valley J.W. (2022) H2O contents of melt inclusions in zircons from the Rhyolite of Laguna del Maule. Goldschmidt Conference, Honolulu, Hawaii, USA (July 2022) https://doi.org/10.46427/gold2022.11367

5. Valley JW, Cameron EM, Blum T, Cavosie AJ, Kitajima K, Bonamici C (2022) Are Hadean and Archean Zircon d18O Values Altered ? Abst. 9662, Goldschmidt Conference, Honolulu, Hawaii, USA (July 2022) https://doi.org/10.46427/gold2022.9662

6. Vezinet, A., Sobolev, A.V., Thomassot, E. 2022. Sequential resetting of Hf-, Nd- and Sr- isotope signatures during the ca. 2 Ga long metamorphic history of the Archean Saglek Block (North Atlantic craton): evidence from zircon, apatite, and feldspars isotopic signatures. Goldschmidt Conference, Honolulu, Hawaii, USA (July 2022) https://doi.org/10.46427/gold2022.10963

EGU General Assembly 2022, Vienna, Austria, May 23-27, 2022

1. Jain C., Sobolev A.V., 2022. Using composite rheology models to explore the interplay between continent formation, surface erosion, and the evolution of plate tectonics on Earth. Presented at the EGU General Assembly 2022, EGU European Geosciences Union, Vienna, Austria. https://meetingorganizer.copernicus.org/EGU22/EGU22-4850.html (May 23-27, 2022)

AGU Fall Meeting 2021, New Orleans, LA & Online everywhere, December 13-17, 2021

1. Baes M., Sobolev S.V., Hampel A., 2021. Suction-induced subduction initiation in passive margins: insights from 3d numerical models. Presented at the AGU Fall Meeting 2021, AGU, New Orleans, LA & Online Everywhere. https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/854556 (December 13-17, 2021)

2. Chugunov A.V., Sobolev A.V., Asafov E.V., Batanova V.G., Gurenko A., 2021. First data on melt inclusions in olivine from 3.3 Ga komatiites of Pioneer Complex, Weltevreden formation: evidence for near-surface contamination of primary komatiite. Presented at the AGU Fall Meeting 2021, AGU, New Orleans, LA & Online Everywhere. https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/934424. (December 13-17, 2021)

3. Gevedon M., Poulaki E.M., Barnes J.D., Stockli L., Schuck B., Seman S., Soukis K., Kitajima K., Valley J.W., 2021. Tracking exhumation-related fluids through coupled oxygen isotopes, trace elements, and U-Pb ages of metamorphic zircon rims in the Cycladic Blueschist Unit. Presented at the AGU Fall Meeting 2021, New Orleans, LA & Online Everywhere. Abstract # T55B-0070 https://ui.adsabs.harvard.edu/abs/2021AGUFM.T55B0070G/abstract (December 13-17, 2021)

4. Jain C., Rozel A., Chin E.J., van Hunen J., 2021. Rheological controls on the self-consistent formation of Archean cratons in global convection models. Presented at the AGU Fall Meeting 2021, AGU, New Orleans, LA & Online Everywhere. https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/838373 (December 13-17, 2021) Invited

5. Jain C., Sobolev S.V., 2021. Exploring the interplay between continent formation, surface erosion, and the evolution of plate tectonics on Earth. Presented at the AGU Fall Meeting 2021, AGU, New Orleans, LA & Online Everywhere. https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/838695 (December 13-17, 2021)

6. Kendall E., Sobolev S.V., Brune S., Glerum A., Gehrke F., 2021. Controls on plate tectonic evolution: from Early Earth to present day. Presented at the AGU Fall Meeting 2021, AGU, New Orleans, LA & Online Everywhere. https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/858202 (December 13-17, 2021)

7. Sobolev S.V., Torsvik T.H., Jain C., Kendall E., 2021. Evolution of plate tectonics on Earth as an interplay of surface and deep-seated processes. Presented at the AGU Fall Meeting 2021, AGU, New Orleans, LA & Online Everywhere. https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/855811 (December 13-17, 2021)

27ième édition de la Réunion des Sciences de la Terre, November 1-5, 2021

1. Vezinet A., Thomassot E., Pearson D.G., Luo Y., Sarkar C., 2021. Disruption of isotopic age by metamorphism: How can two isotopic clocks can be desynchronised, in a single mineral. Presented at the 27ième édition de la Réunion des Sciences de la Terre, Lyon, France. https://rst2020-lyon.sciencesconf.org/331106/document (November 1-5, 2021)

GSA Connects 2021,Portland, Oregon, US, October 10-13, 2021

1. Li S., Rudnick R.L., Qiu L., Zurkowski C., Gaschnig R.M., Valley J.W., Guy B.M., Beukes N.J., 2021. Lithium and oxygen isotopic compositions of ancient shales trace chemical weathering across the Archean-Proterozoic boundary. Presented at the The GSA Connects 2021, The Geological Society of America, Portland, Oregon, USA. https://gsa.confex.com/gsa/2021AM/meetingapp.cgi/Paper/367061 (October 10-13, 2021)

2. Poulaki E.M., Stockli D., Flansburg M., Gevedon M., Stockli L., Shuck B., Barnes J., Soukis K., Kitajima K., 2021. Zircon grains as recorders of subduction zone metamorphism in the Southern Cyclades, Greece and the Betic Cordillera, S. Spain. Presented at the The GSA Connects 2021, The Geological Society of America, Portland, Oregon, USA. https://gsa.confex.com/gsa/2021AM/meetingapp.cgi/Paper/365037 (October 10-13, 2021)

Geodynamics WS 2021, Bad Belzig, Germany, August 29 - September 1, 2021

1. Jain C., Sobolev A.V., 2021. Rheological controls on early-Earth dynamics. Presented at the Geodynamics WS 2021, Bad Belzig, Germany. https://fdocuments.net/document/german-swiss-geodynamics-workshop-2021.html?page=8 (August 29 - September 1, 2021)

Goldschmidt Conference 2021 , virtual, July 4-9, 2021

1. Drabon N., Byerly B., Byerly G., Wooden J.L., Wiedenbeck M., Valley J.W., Kitajima K., Bauer A., Lowe D.R., 2021. Destabilization of long-lived Hadean protocrust and onset of pervasive hydrous melting at 3.8 Ga recorded in detrital zircons of the Green Sandstone Bed, South Africa. Presented at the Goldschmidt 2021, virtual. Abstract #7517 https://conf.goldschmidt.info/goldschmidt/2021/goldschmidt/2021/meetingapp.cgi/Paper/7517 (July 4-9, 2021)

2. Sobolev A.V., Asafov E.V., Gurenko A., Kazzy C., Chugunov A.V., Batanova V.G., Portnyagin M.V., Sobolev S.V., Valley J.W., 2021. Komatiite melts detect deep hydrous reservoirs in the mantle transition zone implying active subduction since Eoarchean time. Presented at the Goldschmidt 2021, virtual. Abstract #3517 (July 4-9, 2021)

3. Rozel A., Lourenco D.L., Jain C., Tackley P.J., Gerya T., 2021. Numerical simulations of long term global mantle convection with crust production: advanced features and recent results. Presented at the Goldschmidt 2021, virtual. https://conf.goldschmidt.info/goldschmidt/2021/meetingapp.cgi/Paper/6333 (July 4-9, 2021)

4. Kendall E., Sobolev S.V., Brune S., Glerum A., Gehrke F., 2021. Towards realistic models of plate tectonic evolution. Presented at the Goldschmidt 2021, virtual. https://conf.goldschmidt.info/goldschmidt/2021/meetingapp.cgi/Paper/5305 (July 4-9, 2021)

5. Jain C., Rozel A., Chin E., van Hunen J., 2021. Numerical Insights into the Formation and Stability of Cratons. Presented at the Goldschmidt 2021, virtual. https://conf.goldschmidt.info/goldschmidt/2021/meetingapp.cgi/Paper/4737 (July 4-9, 2021) invited

6. Sobolev S.V., Torsvik T.H., 2021. Did Surface Erosion Events Affect Neoproterozoic-Phanerozoic Plate Tectonics ? Presented at the Goldschmidt 2021, virtual.
https://conf.goldschmidt.info/goldschmidt/2021/meetingapp.cgi/Paper/6999 (July 4-9, 2021)

EGU General Assembly 2021, virtual, April 19-30, 2021

1. Jain C., RozelcA., Chin E., van Hunen J., 2021. Numerical Insights into the Formation and Stability of Cratons. Presented at the EGU General Assembly 2021, Copernicus Meetings, virtual. https://meetingorganizer.copernicus.org/EGU21/EGU21-5386.html (April 19-30, 2021)