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TZUNTIL:20251026T010000Z
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DTSTART:20231029T030000
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UID:www.bayceer.uni-bayreuth.de-bayceer-t168971id
DTSTAMP:20260829T210026Z
DESCRIPTION:Icelandic soils store an estimated ~2.1 Pg of soil organic carb
 on. This is due\, in part\, to the high iron mineral content of the volcan
 ic-influenced soils and the generally cooler temperatures typical of high 
 latitude soils. However\, with climate change\, warming soil temperatures 
 are leading to shifts in hydrologic regimes and changes in soil redox cond
 itions. Yet\, our understanding of how changing redox conditions affects t
 he iron biogeochemical cycle and the associated impact on the storage\, mo
 bilization and mineralization of organic carbon in Icelandic soils remains
  largely unknown.\nIn this presentation\, I will explore the coupled bioge
 ochemical cycling of iron and carbon in mineral-rich Icelandic wetland soi
 ls\, presenting examples from both field and lab-based experiments. The re
 sults reveal the nature and importance of iron mineral-organic carbon inte
 ractions in Icelandic soils and provide insight into mechanisms and vulner
 abilities of iron mineral protection of organic carbon under changing clim
 ate.\n&nbsp\;\n*** invited by BayCEER member Stefan Peiffer
DTSTART;TZID=Europe/Berlin:20240111T000000
DTEND;TZID=Europe/Berlin:20240111T235959
SUMMARY:Prof. Dr. Laurel ThomasArrigo\, Environmental Chemistry Group\, Uni
 versity of Neuchâtel (Homepage): Iron mineral dynamics modulate organic ca
 rbon cycling in Iceland wetland soils
TRANSP:TRANSPARENT
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