Regional analysis of groundwater nitrate concentrations and trends in Denmark in regard to agricultural influence B. Hansen, T. Dalgaard, L. Thorling, B. Sørensen, and M. Erlandsen Department of Groundwater and Quaternary Geology Mapping, Geological Survey of Denmark and Greenland – GEUS, Lyseng Allé 1, 8270 Højbjerg, Denmark Department of Agroecology, Aarhus University, Denmark Department of H...

South Atlantic island record reveals a South Atlantic response to the 8.2 kyr event K. Ljung, S. Björck, H. Renssen, and D. Hammarlund Geobiosphere Science Centre, Department of Geology, Quaternary Sciences, Lund University, Sölvegatan 12, 223 62 Lund, Sweden Faculty of Earth and Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, Netherlands Received: 24 April 20...

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The historical sciences, such as geology, evolutionary biology, and archaeology, appear to have no means to test hypotheses. However, on closer examination, reasoning in the historical sciences relies upon regularities, regularities that can be tested. I outline the role of regularities in the historical sciences, and in the process, blur the distinction between the historical sciences and the ...