Dune cliff erosion and beach width change at the northern and southern spits of Sylt detected with multi-temporal Lidar
The aim of this study is to exploit the potential of the laser data to describe and explain the changes at the west coast of the northern and southern spits of Sylt (Ellenbogen and Hörnum-Odde). Dune cliff changes are monitored by applying semi
-automatic breakline extraction procedures to multi-temporal Lidar data. The breakline extraction is based on filter methods derived from digital image analysis. Furthermore beach width changes are analyzed. Different annual as well as seasonal coastal change
Fragility of Western Mediterranean landscapes during Holocene Rapid Climate Changes
Afrique du Nord-Ouest ; Changement climatique ; Domaine méditerranéen ; Erosion des sols ; Holocène ; Impact ; Méditerranéens, pays ; Niveau lacustre ; Paléo-environnement ; Paléo-écologie ; Paysage ; Péninsule ibérique ; Variabilité climatique
Climatic change ; Climatic variability ; Holocene ; Iberian Peninsula ; Impact ; Lake level ; Landscape ; Mediterranean States ; Mediterranean area ; North-West Africa ; Palaeo-ecology ; Palaeo-environment ; Soil erosion
The AA. explore the evidence for Holocene Rapid Climate Changes (RCCs) in Western Mediterranean records, examining similarities and differences in the timing and nature of impacts on different components of the natural environment (vegetation
interval 3.5–2.5 cal ka BP, and the historical RCC interval known as the Little Ice Age (LIA, 1300-1950 AD). Finally, the AA. consider the long-term sensitivity of the region to rapid climate change, the role of threshold changes, and the extent to which
Considering a coincidence between environmental and cultural changes, the AA. state that success and decline of civilizations were dominated by hydrological oscillations, triggering fertility as well as a critical loss of natural resources. Fragile
periods, i.e. periods of geomorphological activity, occurred contemporaneous with cultural transitions. In response to spatial changing resources cultural foci were shifted. So, the success of pre-Columbian civilizations was closely coupled to areas of geo