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- Title
Deriving slope movements for an imminent landslide along the Jinsha river.
- Authors
Krug, Alexander; Fenner, Daniel; Mücke, Hans-Guido; Scherer, Dieter
- Abstract
Hot weather episodes are globally associated with increased mortality. Elevated ozone concentrations occurring simultaneously contribute to mortality during these episodes, yet to what extent both stressors are linked to increased mortality rates varies from region to region. This study analyzes time series of observational data of air temperature and ozone concentrations for eight German cities during the years 2000 and 2017. By using an event-based risk approach, various air temperature thresholds were explored for each city to detect hot weather episodes which are statistically associated with increased mortality. Multiple linear regressions were calculated to investigate the relative contribution of air temperature and ozone concentrations to mortality rates during these episodes, including their interaction. Results were compared for their similarities and differences among the investigated cities. In all investigated cities hot weather episodes, linked to increased mortality rates, were detected. Results of the multiple linear regression further point towards air temperature as the major stressor explaining mortality rates during these episodes by up to 60%, and ozone concentrations by up to 20%. The strength of this association both for air temperature and ozone varies across the investigated cities. An interactive influence was found between both stressors, underlining their close relationship. For some cities, this interactive relationship explained more of the observed variance in mortality rates than each individual stressor alone. We could show that during hot weather episodes, not only air temperature affects urban populations. Concurrently high ozone concentrations also play an important role for public health in German cities.
- Subjects
RIVERS; LANDSLIDES
- Publication
Natural Hazards & Earth System Sciences Discussions, 2020, p1
- ISSN
2195-9269
- Publication type
Article
- DOI
10.5194/nhess-2020-137