نتایج جستجو برای: interest in climatic extreme events droughts
تعداد نتایج: 17028335 فیلتر نتایج به سال:
this study is an outlook of iranians religious practices and customs in eras such as nasser one. it attempts to answer the main question, "religious practices and ceremonies in the society during naseri ruling" and other subsidiary questions with scientific and historical theories. iran was a traditional and religious community . people abided by their religious practices and duties within reli...
Intensification of the global hydrological cycle, ranging from larger individual precipitation events to more extreme multiyear droughts, has the potential to cause widespread alterations in ecosystem structure and function. With evidence that the incidence of extreme precipitation years (defined statistically from historical precipitation records) is increasing, there is a clear need to identi...
Abstract. Climatic extreme events are expected to occur more frequently in the future, increasing likelihood of unprecedented climate extremes (UCEs) or record-breaking events. UCEs, such as heatwaves and droughts, substantially affect ecosystem stability carbon cycling by plant mortality delaying recovery. Quantitative knowledge effects is limited due paucity experiments focusing on climatic b...
Introduction Droughts are a frequent occurrence in South Africa’s arid and semi-arid rangelands and can have severe ecological and economic consequences. While these may be short-term and followed by recovery during subsequent years of higher rainfall, in some cases droughts can trigger substantial and irreversible ecological and socio-economic changes. Desertification, in the form of reduced p...
Western Iberia has recently shown increasing frequency of drought conditions coupled with heatwave events, leading to exacerbated limiting climatic conditions for plant growth. It is not clear to what extent wood growth and density of agroforestry species have suffered from such changes or recent extreme climate events. To address this question, tree-ring width and density chronologies were bui...
Extreme climatic events (ECEs) are increasing in frequency and magnitude as part of global climate change, with severe consequences for both nature human societies. While many restoration projects account gradual ECEs rarely considered. Through a literature search the use expert opinion, we reviewed impacts on habitat projects, degree to which they were resilient. had overwhelmingly negative re...
This paper provides a general overview of climatic extremes, how they may be defined and what they represent both in statistical and in physical terms, as well as the impacts they are capable of generating. A particular case study, namely the heat wave that affected many parts of Europe from June-August 2003, will be discussed in some detail. The final part of the paper will investigate, on the...
Global changes in extremes of the climatic variables that have been observed in recent decades can only be accounted anthropogenic, as well as natural changes. Factors are considered, and under enhanced greenhouse gas forcing the frequency of some of these extreme events is likely to change (IPCC, 2007 Alexander et al., 2007). Folland et al. (2001) showed that in some regions both temperature a...
Extreme climatic events and land-use change are known to influence strongly the current carbon cycle of Amazonia, and have the potential to cause significant global climate impacts. This review intends to evaluate the effects of both climate and anthropogenic perturbations on the carbon balance of the Brazilian Amazon and to understand how they interact with each other. By analysing the outputs...
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