Morphogenetic classification of the Arctic coastal zone |
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Authors: | S. L. Nikiforov Yu A. Pavlidis V. Rachold M. N. Grigoryev F. M. Rivkin N. V. Ivanova M. M. Koreisha |
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Affiliation: | (1) P.P.Shirshov Institute of Oceanology RAS, Nahimovsky prospect, 36, Moscow, Russia;(2) Alfred Wegener Institute for Polar and Marine Research, Research Unit Potsdam, Germany;(3) Permafrost Institute, Russian Academy of Sciences, Siberian Branch, Yakutsk;(4) Institute of Engineering Survey for Construction, Industrial and Research, Moscow, Russia |
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Abstract: | Arctic coastal evolution is the result of interactions between exogenic and endogenic processes. In the arctic region, this evolution differs from that in other areas of the worlds oceans as a result of interactions between modern wave and ice factors, and the influences of glaciations and large-scale sea level changes in the past. Geologic structure, origin and development determine contemporary relief morphology. Morphology appears to be the most significant relief characteristic, but it is controlled by a set of interactive processes active over long periods. Our approach, in which a multitude of interacting factors are simultaneously analyzed and determined, could be called morphogenetic. We consider marine coasts and offshore zones (shelf) as a unit, and providing a general explanation for their evolution. The classification presented here is based upon the general approach given in the Science and Implementation Plan of Arctic Coastal Dynamics (ACD), a project of the International Arctic Science Committee and the International Permafrost Association. Our classification extends beyond the morphological ACD classification to include a morphogenetic classification. |
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