نتایج جستجو برای: extreme climate indices

تعداد نتایج: 328232  

2015
Carolyn Kousky

a r t i c l e i n f o This paper reviews the empirical literature on the economic impacts of natural disasters to inform both the modeling of potential future climate damages and climate adaptation policy related to extreme events. It covers papers that estimate the short-and/or long-run economic impacts of weather-related extreme events as well as studies identifying the determinants of the ma...

2015
F. Yuan Y. Y. San Y. Li M. Ma L. Ren C. Zhao Y. Liu X. Yang S. Jiang

In this study, a framework to project the potential future climate change impacts on extreme hydrological drought events in the Weihe River basin in North China is presented. This framework includes a largescale hydrological model driven by climate outputs from a regional climate model for historical streamflow simulations and future streamflow projections, and models for univariate drought ass...

2017
Adam H. Sobel Michael K. Tippett

In this chapter we discuss extreme weather events as they relate to climate adaptation. First, we summarize the state of the science regarding how different kinds of extreme events have been or will be influenced by global warming. Second, we describe the different kinds of tools that exist for extreme event hazard assessment. These include extreme value theory, which allows inference of rare e...

2016
Ana Isabel Camacho Guerreiro Richard J. Ladle Vandick da Silva Batista

BACKGROUND Climate change is altering climate patterns, mainly increasing the frequency and intensity of extreme events with potentially serious impacts on natural resources and the people that use them. Adapting to such impacts will require the integration of scientific and local (folk) knowledge, especially the first-hand experiences and perceptions of resource users such as fishers. In this ...

We give sharp upper bounds on the Zagreb indices and lower bounds on the Zagreb coindices of chemical trees and characterize the case of equality for each of these topological invariants.

Journal: :transactions on combinatorics 2016
wai chee shiu

let g=(v,e) be a simple graph. an edge labeling f:e to {0,1} induces a vertex labeling f^+:v to z_2 defined by $f^+(v)equiv sumlimits_{uvin e} f(uv)pmod{2}$ for each $v in v$, where z_2={0,1} is the additive group of order 2. for $iin{0,1}$, let e_f(i)=|f^{-1}(i)| and v_f(i)=|(f^+)^{-1}(i)|. a labeling f is called edge-friendly if $|e_f(1)-e_f(0)|le 1$. i_f(g)=v_f(1)-v_f(0) is called the edge-f...

Journal: :Science 2003
David J Karoly Karl Braganza Peter A Stott Julie M Arblaster Gerald A Meehl Anthony J Broccoli Keith W Dixon

Several indices of large-scale patterns of surface temperature variation were used to investigate climate change in North America over the 20th century. The observed variability of these indices was simulated well by a number of climate models. Comparison of index trends in observations and model simulations shows that North American temperature changes from 1950 to 1999 were unlikely to be due...

Introduction: Extreme weather or climate, including heat waves and cold waves, is considered a health issue causing adverse effects on health, such as cardiovascular diseases (CVDs), mortality and morbidity. Thus, this systematic review aimed to study the impacts of extreme ambient temperature on cardiovascular outcomes. Material and Methods: This study was carried out based on the Preferred R...

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