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Full Description
In many aspects science becomes conducted nowadays through technology and preferential criteria of economy. Thus investigation and knowledge is evidently linked to a speci?c purpose. Especially Earth science is confronted with two major human perspectives concerning our natural environment:sustainability of resources and assessment of risks. Both aspects are expressing urgent needs of the living society, but in the same way those needs are addressing a long lasting fundamental challenge which has so far not been met. Following on the patterns of economy and technology, the key is presumed to be found through a devel- mentoffeasibleconceptsforamanagement ofbothournaturalenvironmentand in one or the other way the realm of life. Although new techniques for obser- tion and analysis led to an increase of rather speci?c knowledge about particular phenomena, yet we fail now even more frequently to avoid unforeseen impli- tions and sudden changes of a situation. Obviously the improved technological tools and the assigned expectations on a management of nature still exceed our traditional scienti?c experience and accumulated competence. Earth- and Life- Sciences are nowadays exceedingly faced with the puzzling nature of an almost boundless network of relations, i. e. , the complexity of phenomena with respect to their variability. The disciplinary notations and their particular approaches arethusnolongeraccountingsu?cientlyfortherecordedcontextofphenomena, for their permanent variability and their unpredictable implications. The large environmental changes of glacial climatic cycles, for instance, demonstrate this complexity of such a typical phenomenology.
Contents
Scale Concepts in Geosciences.- Scale Aspects of Geo-Data Sampling.- Notions of Scale in Geosciences.- Complexity of Change and the Scale Concept in Earth System Modelling.- Multi-Scale Representation of Data.- Wavelet Analysis of Geoscientific Data.- Diffusion Methods for Form Generalisation.- Multi-Scale Aspects in the Management of Geologically Defined Geometries.- Scale Problems in Physical Process Models.- Wavelet and Multigrid Methods for Convection-Diffusion Equations.- Analytical Coupling of Scales — Transport of Water and Solutes in Porous Media.- Upscaling of Hydrological Models by Means of Parameter Aggregation Technique.- Parameterisation of Turbulent Transport in the Atmosphere.- Precipitation Dynamics of Convective Clouds.- Sediment Transport — from Grains to Partial Differential Equations.- Water Uptake by Plant Roots — a Multi-Scale Approach.- Scale-Related Approaches to Geo-Processes.- Fractals — Pretty Pictures or a Key to Understanding Earth Processes?.- Fractal Variability of Drilling Profiles in the Upper Crystalline Crust.- Is the Earth's Surface Critical? The Role of Fluvial Erosion and Landslides.- Scale Problems in Geometric-Kinematic Modelling of Geological Objects.- Depositional Systems and Missing Depositional Records.- Multi-Scale Processes and the Reconstruction of Palaeoclimate.- A Statistical-Dynamic Analysis of Precipitation Data with High Temporal Resolution.
