dD vs d 18 O plot of groundwaters, surface waters and

A summary of hydraulic characteristics from the Najd aquifers

A summary of hydraulic characteristics from the Najd aquifers

M. LAWSON, Senior Geologist

2: Formation of excess air and degassing according to the CE-model

Distinct groups of groundwaters discriminated by 3 H and dissolved As.

Daren GOODDY, Team Leader Groundwater Processes, PhD

Jürgen SÜLTENFUSS, University of Bremen, Doctor of Philosophy, Universität Bremen, Bremen, Uni Bremen, Institute of Environmental Physics

Chris BALLENTINE, Professor of Geochemistry, PhD, University of Cambridge, University of Oxford, Oxford, OX, Department of Earth Sciences

Chris BALLENTINE, Professor of Geochemistry, PhD, University of Cambridge, University of Oxford, Oxford, OX, Department of Earth Sciences

M. LAWSON, Senior Geologist