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In recent years, urban and rural flash floods in Europe and abroad have gained considerable attention because of their sudden occurrence, severe material damages and even danger to life of inhabitants. This contribution addresses questions about possibly changing environmental conditions which might have altered the occurrence frequencies of such events and their consequences. We analyze the following major fields of environmental changes.
Altered high intensity rain storm conditions, as a consequence of regionalwarming; Possibly altered runoff generation conditions in response to high intensity rainfall events; Possibly altered runoff concentration conditions in response to the usage and management of the landscape, such as agricultural, forest practices or rural roads; Effects of engineering measures in the catchment, such as retention basins, check dams, culverts, or river and geomorphological engineering measures.
We take the flash-flood in Braunsbach, SW-Germany, as an example, where a particularly concise flash flood event occurred at the end of May 2016. This extreme cascading natural event led to immense damage in this particular village. The event is retrospectively analyzed with regard to meteorology, hydrology, geomorphology and damage to obtain a quantitative assessment of the processes and their development.
The results show that it was a very rare rainfall event with extreme intensities, which in combination with catchment properties and altered environmental conditions led to extreme runoff, extreme debris flow and immense damages. Due to the complex and interacting processes, no single flood cause can be identified, since only the interplay of those led to such an event. We have shown that environmental changes are important, but-at least for this case study-even natural weather and hydrologic conditions would still have resulted in an extreme flash flood event.
According to Plessner, both adaptation and selection can be conceived not just as requested by the environment but also as actively proceeding from the organism. In this respect, Plessner finds in Uexküll’s new biology a powerful counterweight to the constraints of Darwinism. However, despite all the points in common in their respective understanding of the problem, Plessner reproaches to Uexküll to have entirely missed the intermediate layer of the lived body [Leib] between the organism and its environment. Unlike Uexküll, concerning the more developed animals, Plessner took up elements of animal psychology from Wolfgang Köhler and Frederik Jacobus Johannes Buytendijk. Finally, Plessner finds insufficiencies also in Uexküll’s distinction between the notion of world and the notion of environment, which would lead to the parallel positing of different environments. In reaction to Uexküll’s leveling of all environments, Plessner drafted a philosophical-anthropological spectrum between the intelligent way of living observed in the great apes, whose intelligence had been demonstrated, and the co-wordly life of the symbolic mind as seen in the personal sphere of human life.
Preface
(2017)
Birds migrating across the Himalayan region fly over the highest peaks in the world, facing immense physiological and climatic challenges. The authors show the different strategies used by birds to cope with these challenges. Many wetland avian species are seen in the high-altitude lakes of the Himalayas and the adjoining Tibetan Plateau, such as Bar-Headed Geese. Ringing programmes have generated information about origins and destinations, and this book is the first to present information on the bird's exact migratory paths. Capitalising on knowledge generated through satellite telemetry, the authors describe the migratory routes of a multitude of birds flying over or skirting the Himalayas. The myriad of threats to migratory birds and the wetland system in the Central Asian Flyway are discussed, with ways to mitigate them. This volume will inform and persuade policy-makers and conservation practitioners to take appropriate measures for the long-term survival of this unique migration
Vienna's resilience
(2022)
This chapter provides a synthesis of the volume, bringing together the aspects that characterise each of the single policy domains analysed throughout and highlighting their synergic effects on the output. In particular, it addresses the dualisation tendencies between ‘winners’ and ‘losers’ in Vienna’s urban transformation in the changing dimensions of social stratification, on the one hand; and the mechanisms of institutional resilience, on the other hand. Despite the inclusive welfare system, emerging vulnerabilities currently pose new challenges for Vienna’s redistributive capacity in the key policy areas. Existing institutional arrangements and their regulatory capacities are a good starting point to answer the question: is Vienna still a just city?
Singles in the city
(2021)
More people than ever are living in cities, and in these cities, more and more people are living alone. Using the example of Vienna, this paper investigates the subjective well-being of single households in the city. Previous research has identified positive and negative aspects of living alone (e.g., increased freedom vs. missing social embeddedness). We compare single households with other household types using data from the Viennese Quality of Life Survey (1995–2018). In our analysis, we consider overall life satisfaction as well as selected dimensions of subjective wellbeing (i.e., housing, financial situation, main activity, family, social contacts, leisure time). Our findings show that the subjective well-being of single households in Vienna is high and quite stable over time. While single households are found to have lower life satisfaction than two-adult households, this result is mainly explained by singles reporting lower satisfaction with family life. Compared to households with children, singles are more satisfied with their financial situation, leisure time and housing, which helps to offset the negative consequences of missing family ties (in particular with regard to single parents).
Conclusion
(2020)
Does political repression work for authoritarian rule? On the one hand, repression is a hallmark of authoritarian governance. It denotes any action governments take to increase the costs of collective action. Autocrats consciously apply repression to curb popular opposition within their territorial jurisdiction. They repress in order to protect their policies, personnel, or other interests against challenges from below. Repression is, thus, a means to the end of political survival in non-democratic contexts. A useful means lives up to its promises. Does repression do that? This project started on the suspicion that we do not yet know the answer. This concluding chapter recalls the key theoretical ideas developed along the way, highlights the main findings of the book, and concludes with opportunities for future research.
Tone and intonation in Akan
(2017)
This chapter provides an account of the intonation patterns in Akan (Kwa, Niger-Congo). Tonal processes such as downstep, tonal spreading and tonal replacement influence the surface tone pattern of a sentence. In general, any Akan utterance independent of sentence type shows a characteristic down-trend in pitch. This chapter proposes that Akan employs a simple post-lexical tonal grammar that accounts for the shapes of an intonation contour. The unmarked post-lexical structure is found in simple declaratives. The downward trend of an intonation contour is shaped by local tonal interactions (downstep), and sentence-final tonal neutralization. In polar questions, an iota-phrase-final low boundary tone (L%) accounts for the intensity increase and lengthening of the final vowel compared to a declarative. Complex declaratives and left-dislocations show a partial pitch reset at the left edge of an embedded iota-phrase. Underlying lexical tones are not affected by intonation with the exception of sentence-final H-tones.
Introduction
(2022)