- to the beginnings of ninetieths spatial studies in agriculture were more sintetic and devoted to such a problem as : agricultural typology and spatial organization of agriculture. At the same time geographers more frequently have been adopt quantitative methods
in their studies. Last years agricultural geography is oriented more to the problems of changes after 1990 and integrated more with rural geography. - (BJ)
There are dozens of infiltration and erosion models that attempt to describe more and more exactly these processes. The aim of this paper is to introduce a dynamic mathematical model which is able to model the effect of a rainfall event on a plot
The physical basis of Bagnold's equation for critical stream power is examined. More general equations are presented which overcome the limitations of this equation. They require a knowledge of channel slope, but not depth. The analysis suggests
that the presence of form resistance in addition to grain roughness does not affect the calculation of critical power. Critical power is expected to depend more sensitively on grain size between reaches than within reaches.
This study investigates how the deposition of dust is affected when rock fragments become gradually more embedded in the ground or, inversely, become more concentrated on the surface. Experiments were executed in an aeolian dust wind tunnel with 8
of roughness as topography has the potential to allo boundary deformation to be explored in more realistic and numerically robust ways, and to provide a much more useful research tool.
This paper outlines the principles of cellular modelling in fluvial geomorphology and addresses issues of model formulation and validation in the context of numerical modelling more generally. In doing so it seeks to highlight the prospects
East and West become more and more complex. In the next several decades not only the Southeast of Asia but the entire world system requires the establishment of a peaceful co-existence with this ancient civilisation on the rise. - (NF)
functional pattern of the Hungarian large- and medium-sized towns is getting more and more similar to those of Western Europe. Within Hungarian cities non-residential functions are expanding, due to the rise of CBD, the development of suburban shopping
In China, institutional barriers still constrain entrepreneurial activities. At the same time, start-up activities have recently received more government support than just a few years ago. Shanghai in particular aims to induce Chinese living
conditions would require more institutional change for a successful implementation at the regional level. - (IFL)
Taking the idea that today all cities are more or less integrated into world-wide relationships as a point of departure, the article presents a methodological approach with which inter-urban linkages can be empirically determined under
, but it can also be transferred to other organizations, in order to achieve a more comprehensive global city profile that integrates political, cultural and social linkages. - (IFL)
In July 2004 the Council on Sustainability has presented its recommendations entitled More value for land : the 30 Hectare - objective for a sustainable urban and rural development for the revision of the National sustainability strategy
with certificates for the dedication of areas a more intensive consideration of economic instruments by planning experts and an enlargement of management concepts in land budget policy is recommended. - (IFL)
The AA. explore the physical and social factors that combine to generate this susceptibility to earthquake and volcanic losses, with reference to one of the region's most highly exposed countries - Peru. They review some of the more significant
in building on this work to produce a more inclusive and unified strategy of disaster mitigation.
with the intent of providing a more rational climate classification for everyday use in a classroom setting. This classification uses an amended version of the Thornthwaite moisture index.
The paper deals with the polycentrical concepts of regional dvelopment of Slovenia as they were established in three documents of regional planning between 1974 and 2004. Three issues have been discussed more precisely : the purpose of polycenrism
Today Northern Korea, is almost an unknown country. Its understanding remains difficult, especially from a western point of view. The A. exorts to approach this mysterious reality in a less simplistic and more attentive way, considering the growing
The AA. carried out mineralogical and micromorphological approaches for a deformed weathering profile and associated fault gouge to find recurrence characteristics from a microcopic point of view and report here a more complex cataclastic history