نتایج جستجو برای: climate change impact
تعداد نتایج: 1372183 فیلتر نتایج به سال:
Pollen respiratory allergies have been increasing in prevalence over the last two decades, partly as the result of the impact of climate change. For many allergenic trees, grass and weed species, increased pollen production and prolonged pollination period result in long-term increased abundance of pollen allergens in the atmosphere; earlier shifts of airborne pollen grains and prolonged exposu...
abstract in this study, impact of climate change on net irrigation requirement (in) and yield of wheat using cgcm3 climate projection model, one of the aogcm models, in behshahr area is evaluated. changes in temperature and precipitation were simulated run under the ipcc scenario a2 for 2011-2040, 2041-2070 and 2071-2100 periods. this work was done by using statistical and proportional downscal...
Two major issues through studies on hydrological impact assessment of climate change are the sufficiency of historical data and selection of the best rainfall-runoff model. Climate models, with the ability to simulate climatic variables, are considered as references for future projections. Therefore, the rainfall-runoff model must be able to simulate streamflow using only these variables. Curre...
technological advancement has led to a clearer understanding of future risks and impacts. With increasing urbanization, understanding the impacts of climate change upon the urban environment will become ever more important. Evidence is mounting that climate change presents unique challenges for urban areas and their growing populations. Where urban areas grow rapidly without regard to current a...
This paper intends to estimate the potential impact of climate change on Taiwan’s agricultural sector. Yield response regression models are used to investigate the climate change’s impact on 60 crops. A price-endogenous mathematical programming model is then used to simulate the welfare impacts of yield changes under various climate change scenarios. Results suggest that both warming and climat...
Britain, currently chairing the G8 group of countries, has set an agenda for its term that highlights the problems of climate change as a result of emission of greenhouse gases. While there is still some scepticism about climate change, particularly in the US, the British prime minister, Tony Blair, is determined to flag up the issue and some senior scientists have also been outspoken about the...
Recent price spikes(1,2) have raised concern that climate change could increase food insecurity by reducing grain yields in the coming decades(3,4). However, commodity price volatility is also influenced by other factors(5,6), which may either exacerbate or buffer the effects of climate change. Here we show that US corn price volatility exhibits higher sensitivity to near-term climate change th...
The Restionaceae species of the Fynbos biome is part of the Cape Floristic Kingdom is threatened by urbanization, agricultural expansion, groundwater extraction, and climate change. Therefore, it is necessary to assess and monitor the Restionaceae species under the impact of climate change. South Africa is a semi-arid environment, and hydrological factors are the main variables in the determina...
The economic impact of climate change is usually measured as the amount by which the climate of a given period will affect output or GDP in that period. This paper draws attention to some of the dynamic effects through which climate change may affect economic growth and hence future output. In particular, the paper looks at saving and capital accumulation. With a constant savings rate, a lower ...
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