so far confirmed speakers

Barbara Sherwood Lollar

Barbara Sherwood Lollar, Companion of the Order of Canada and Fellow of the Royal Society of Canada, is a University Professor in Earth Sciences at the University of Toronto. She is a Canada Research Chair in Isotopes of the Earth and Environment, Norman Keevil Chair in Ore Deposit Geology, and Past-President of the Geochemical Society. In 2015 she was named a Fellow of the American Geophysical Union and in 2019 a Fellow of the Geochemical Society and European Association of Geochemistry. Sherwood Lollar has published on stable isotope geochemistry and hydrogeology, the fate of carbon-bearing fluids and gases such as CO2, CH4 and H2 in ancient fracture waters in the Earth’s crust, and deep subsurface microbiology. She has been a recipient of many academic awards.

Daniel Ariztegui

Daniel Ariztegui is a Professor at the University of Geneva. He uses marine and lacustrine sediments as archives of (paleo) environmental changes as well as of present and former anthropogenic impact on the environment. Over time his research has shifted from marine to lacustrine records, currently he focuses mainly on biogeochemical cycles in lakes, with interest in both microbe-mineral interactions and organomineralization and the lacustrine subsurface biosphere. For the latter he participated in several deep lake drilling campaigns of the International Continental Drilling Program (ICDP), e.g. Dead Sea, Lake Potrok Aike in Patagonia and Lake Towuti in Indonesia. He applies a geomicrobiological approach to modern environments and develops microbial proxies that can be used to identify microbial processes in the past.


Catherine Larose

Catherine Larose is leading the Environmental Microbial Genomics Group at the Laboratoire Ampere, Ecole Centrale de Lyon in France. Her research focuses on understanding the the relationships between chemical parameters including a central contaminant such as mercury in arctic snowpacks and the microbial communities inhabiting them. Through a number of field studies, she and her team have examined microbial community structure in the snow during the spring in different types of snow and identified potential changes in diversity, activity, function and sources (atmospheric deposition, sea aerosols, etc.) of microbial populations. An important focus is on the environmental sources of mercury (Hg) species (bioavailable Hg and methylmercury) and their fate and transfer in the Arctic environment with the goal to improve our understanding of community dynamics in the snow, allowing us to gain insights on potential drivers of the snow ecosystem, and the drivers of mercury cycling in Arctic snow.

Adrian Mellage

Adrian Mellage is a Research Associate in the Center for Applied Geoscience at the University of Tübingen in Germany. His research focus encompasses the fields of biogeochemistry, reactive transport modelling and geophysics. He recently completed his PhD on the application of (bio)geophysical methods, such as spectral induced polarization (SIP), for monitoring of subsurface biogeochemical processes. Mellage continues to pursue the application of geophysical methods as measurement tools in biogeochemistry and geomicrobiology, with a specific focus on adapting reactive transport modelling frameworks to include biogeophysical measurements of microbially mediated processes. The title of his talk will be: Sensing subsurface reactive transport processes with geo-electrical methods

Jens Hartmann

Jens Hartmann is a Professor for Geochemistry at the University of Hamburg, Germany. The major two objectives of  his research are  the role of chemical weathering in the Earth System at various scales and changes and variation of land-ocean matter fluxes. The working group focuses on an integrated analysis, addressing, laboratory work, field experiments and modeling. Two important spinoffs from his research are the global river hydrochemistry database GLORICH and the global lithological map GLIM. The title of his talk will be: Carbon Dioxide Removal & Biogeochemistry – costs, potentials, risks.

Axel Visel

As Deputy Director for Science Programs, Dr. Visel focuses on the development and implementation of strategic initiatives at the DOE Joint Genome Institute (JGI). In addition to his appointment at the DOE Joint Genome Institute, Dr. Visel also holds appointments as a Senior Staff Scientist at Lawrence Berkeley National Laboratory and as an Adjunct Professor at the School of Natural Sciences at the University of California, Merced. Dr. Visel also served as JGI Interim Director from March 2016 – March 2017. Through its Community Sequencing Program (CSP) JGI allowed genomic exploration to become part of many biogeochemical studies and paved the way for a new era of environmental biogeochemistry. With the research landscape and technical capabilities  constantly evolving, JGI is also constantly establishing new tools as well as new science programs. Dr. Visel will provide an overview of the opportunities that are available to the biogeosciences community.



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