Coastal dynamics, Fluvial systems and Global change, UU-F&M: Extraterrestrial impacts and climate change: Were abrupt climate and environmental change at 12.9 ka initiated by an extraterrestrial impact?, Structural geology and EM, Geomorfologie, van Hoesel, A., Hoek, W.Z., Pennock, G.M., Drury, Martyn, Coastal dynamics, Fluvial systems and Global change, UU-F&M: Extraterrestrial impacts and climate change: Were abrupt climate and environmental change at 12.9 ka initiated by an extraterrestrial impact?, Structural geology and EM, Geomorfologie, van Hoesel, A., Hoek, W.Z., Pennock, G.M., and Drury, Martyn