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Dunes grow, change their shape and fade away. This book demonstrates that the evolution of eolian sand and dunes is under control of climatic change, permafrost, vegetational growth, soil formation and human interference. The European sand belt spreads from the Netherlands through Germany and Poland into Russia as inland dune fields up to a hight of several meters as well as large carpets of thin eolian sand, the so-called coversand. This book illuminates the origin of this enormous sand masses from their first traces during the Saalian glaciation through the Weichselian glaciation up to present times. Periods of strong eolian activity change with periods of dune stability. The interior of the dunes exhibits striking interruptions of eolian activity by a large variety of fossil soils. The individual character of these soils allows to interprete the eolian sand movements period by period through the history of the last 150.000 years. All in all the book offers details of modern research on dune sand as well as comprehensive chapters of the recent state of knowledge on dune formation.
History is replete with examples of scientists and social scientists working under the yoke of oppressive regimes. In The Closed World of East German Economists, Till Düppe tells the story of a generation of economists whose entire careers coincided with the forty-one-year existence of the German Democratic Republic (GDR). In a micro-historical fashion, he examines the world of East German economists through the formative episodes in the lives of five different economists from this “hope” generation. Using both the perspective of the actors as expressed in interviews and archival material unknown to the actors, the book follows East German economics from the early days of the acceptance of Marxism-Leninism through to its interaction with Western economics and its eventual dissolution following the collapse of the Berlin Wall. It is fascinating insight into the challenges faced by economists in a unique period of European history.
Atoms and molecules in all states of matter are subject to continuous irregular movement. This process, referred to as diffusion, is among the most general and basic phenomena in nature and determines the performance of many technological processes. This book provides an introduction to the fascinating world of diffusion in microporous solids. Jointly written by three well-known researchers in this field, it presents a coherent treatise, rather than a compilation of separate review articles, covering the theoretical fundamentals, molecular modeling, experimental observation and technical applications. Based on the book Diffusion in Zeolites and other Microporous Solids, originally published in 1992, it illustrates the remarkable speed with which this field has developed since that time. Specific topics include: new families of nanoporous materials, micro-imaging and single-particle tracking, direct monitoring of transient profiles by interference microscopy, single-file diffusion and new approaches to molecular modeling.
No detailed description available for "Structural Principles of Unsaturated Organic Compounds".
Pre-modern critical interactions of nature and society can best be studied during the so-called "Crisis of the 14th Century". While historiography has long ignored the environmental framing of historcial processes and scientists have over-emphasized nature's impact on the course of human history, this volume tries to describe the at times complex modes of the late-medieval relationship of man and nature. The idea of 'teleconnection', borrowed from the geosciences, describes the influence of atmospheric circulation patterns often over long distances. It seems that there were 'teleconnections' in society, too. So this volumes aims to examine man-environment interactions mainly in the 14th cent...
Like its previous volume, this book aims to clarify the intellectual continuity between Weimar classicism and analytical psychology. It will interest students and scholars of analytical psychology, comparative literature, and the history of ideas.