نتایج جستجو برای: extreme climate indices
تعداد نتایج: 328232 فیلتر نتایج به سال:
Climate is the predominant environmental driver of freshwater assemblage pattern on large spatial scales, and traits of freshwater organisms have shown considerable potential to identify impacts of climate change. Although several studies suggest traits that may indicate vulnerability to climate change, the empirical relationship between freshwater assemblage trait composition and climate has b...
The National Fire Danger Rating System (NFDRS) indices deduced from the monthly to seasonal predictions of a meteorological climate model at 50-km grid space from January 1998 through December 2003 were used in conjunction with a probability model to predict the expected number of fire occurrences and large fires over the U.S. West. The short-term climate forecasts are ongoing experimental prod...
With recent climate changes, Scots pine (Pinus sylvestris L.) forests have been affected by die-off events. Assisted migration of adapted provenances mitigates drought impacts and promotes forest regeneration. Although suitable provenances are difficult to identify by traditional ecophysiological techniques, which are time consuming and invasive, plant water status can be easily assessed by inf...
Climate indices help to describe the past, present, and the future climate. They are usually closer related to possible impacts and are therefore more illustrative to users than simple climate means. Indices are often based on daily data series and thresholds. It is shown that the percentile-based thresholds are sensitive to the method of computation, and so are the climatological daily mean an...
Climate change forecasts of more frequent climate extremes suggest that such events will become increasingly important drivers of future ecosystem dynamics and function. Because the rarity and unpredictability of naturally occurring climate extremes limits assessment of their ecological impacts, we experimentally imposed extreme drought and a midsummer heat wave over two years in a central U.S....
In this study, projected changes in climate extreme indices defined by the Expert Team on Climate Change Detection and Indices were investigated over Middle East North Africa. Changes daily maximum minimum temperature- precipitation- based analyzed for end of 21st century compared to reference period 1971–2000 using regional model simulations. Regional model, RegCM4.4 was used downscale two dif...
The rising intensity and frequency of extreme temperature events are caused due to climate change likely affect the entire world. In this context, Himalayas reported be very sensitive changes in extremes. study, we investigate variability extremes over Northwest early 21st century (2000–2018). Here, used 14 indices recommended by ETCCDI (Expert Team on Climate Change Detection Indices). present...
Climate oscillations are becoming more extreme, and mangroves may be susceptible to changes in physical conditions that can lead mass diebacks. The current study analysed the impacts of an extreme weather event Cananéia-Iguape Coastal System, southeast Brazilian condition area over three years. We used a multiproxy approach, including analyses climatic attributes, structural vegetation, vegetat...
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