Dedication.- Foreword: Dendrogeomorphology beginnings and futures – a personal message.- 1 Tree rings and natural hazards – an introduction.- 2 Snow avalanches.- 2.1 Dendrogeomorphology and snow avalanche research.- 2.2 Tree-ring dating of snow avalanches in Glacier National Park, Montana, USA.- 2.3 Tracking past snow avalanches in the SE Pyrenees.- 2.4 Tree-ring based reconstruction of past snow avalanche events and risk assessment in Northern Gaspé (Quebec, Canada).- 2.5 Using dendrochronology to validate numerical simulations of snow avalanches in the Patagonian Andes.- 3.0 Landslides.- 3.1 Dating landslides with trees.- 3.2 Dendrogeomorphological analysis of a landslide near Lago, Calabria (Italy).- 3.3 Tree-ring analysis and rockfall avalanches – the use of weighted samples.- 3.4 Age of landslides along the Grande Riviére de la Baleine esturary, eastern coast of Hudson Bay, Quebec (Canada).- 3.5 Rainfall up, mountain down?.- 4.0 Rockfall.- 4.1 Rocfalls and their hazard.- 4.2 Assessing rockfall activity in a mountain forest – implications for hazard assessment.- 4.3 Tree-ring based rockfall reconstruction and accuracy assessment of a 3D rockfall model.- 4.4 Assessment of the rockfall frequency for hazard analysis at Solá d’Andorra (Eastern Pyrenees).- 4.5 Reconstruction and spatial analysis of rockfall frequency and bounce heights derived from tree-ring analysis.- 5.0 Debris flows.- 5.1 State of the art in debris flow research: the role of dendrochronology.- 5.2 Using event and minimum age dating for the assessment of hazards on a debris-flow cone.- 5.3 Dendrogeomorphic applications to debris flows in Glacier National Park, Montana, USA.- 5.4 Frequency-magnitude relationships, seasonality and spread of debris flows on a forested cone.- 5.5 High-precision dating of debris-flow events within the growing season.- 6.0 Flooding.- 6.1 Tree-rings as paleoflood and paleostage indications.- 6.2 The effects of hydroelectric flooding on a reservoir’speripheral forest and newly created forested islands.- 6.3 Spring water levels reconstructed from ice-scarred trees and cross-sectional area of the earlywood vessels in tree-rings from eastern boreal Canada.- 6.4 A 100-year history of floods determined from tree rings in a small mountain stream in the Tatra Mountains, Poland.- 6.5 Dendrohydrology and extreme floods along the Red River, Canada.- 7.0 Meteorological hazards.- 7.1 Weather and climate extremes: where can dendrochronology help?.- 7.2 Dendrotempestology an dthe isotopic record of tropical cyclones in tree-rings of the Southeastern United States.- 7.3 Dendrochronological responses to a tornado.- 7.4 Dendroecology of hurricanes and the potential for isotopic reconstructions in Southeastern Texas.- 8.0 Wildfires.- 8.1 Wildfire hazard and the role of tree-ring research.- 8.2 Mesoscale disturbance and ecological response to decadal climateic variability in the American Southwest.- Wildfire risk and ecological restoration in mixed-severity fire regimes.- 8.4 Wildfire ecology and management at Grand Canyon, USA: tree-ring applications in forest fire history and modeling.- 8.5 Wildfire risk and hazard in Northern Patagonia, Argentinia.- 9.0 Earthquakes.- 9.1 Tree-rings and earthquakes.- 9.2 Tree-ring analysis in natural hazards research – application of tree-ring analysis to paleoseismology.- 9.3 Tree-ring abnormality caused by large earthquake: an example from the 1931 M 8.0 Fuyun earthquake.- 9.4 Tree-ring dated ladslide movements and seismic events in southwestern Montana, USA.- 9.5 Seismic damage in conifers from Olympic and Yellowstone National Parks, United States.- 10 Volcanic activity.- 10.1 Studying past volcanic activity with tree-rings.- 10.2 Tree-ring evidence for 1913 eruption of Volcán de Fuego de Colima, Mexico.- 10.3 Dendrochemical evidence of the 1781 eruption of Mount Hood, Oregon.- 10.4 Volcanic eruptions over the last 5,000 years from high elevation tree-ring widths and frost rings.- 10.5