B-1: Isotope Biogeochemistry

[OB1-04] Microbial cycling: an overlooked contributor to the dissolved phosphate in groundwater

*Yao Li¹, Huaming Guo¹, Yvonne Oelmann², Harald Neidhardt² (1. State Key Laboratory of Biogeology and Environmental Geology, School of Water Resources and Environment, China University of Geosciences (Beijing) (China), 2. Geoecology, Eberhard Karls University Tübingen (Germany))

Keywords:phosphorus, groundwater, microbial cycling, changing redox conditions, phosphate oxygen isotopes