نتایج جستجو برای: δt under a2 emission scenario at 90 probability percentile
تعداد نتایج: 4781240 فیلتر نتایج به سال:
The recent discovery of a very high degree of linear polarization in the prompt emission of GRB 021206 (Coburn & Boggs 2003) has suggested that synchrotron emission may play a dominant role in the production of the prompt γ-ray photons. We here show that, under certain geometrical conditions, an even higher level of linear polarization is expected if the photons are produced by bulk inverse Com...
Evaluate the performance of SDSM model in different station and predict climate variables for future
According to the fourth report from the IPCC was confirmed climate change and its impacts on drought, floods, health problems and food shortages. Therefore, understanding of how climate change could be important in the management of resources, especially water resources management. Atmosphere-Ocean Global Circulation Models (AOGCM) are tools for predicting the future climate variables and it mu...
Air quality, ecosystem exposure to nitrogen deposition, and climate change are intimately coupled problems: we assess changes in the global atmospheric environment between 2000 and 2030 using 26 state-of-the-art global atmospheric chemistry models and three different emissions scenarios. The first (CLE) scenario reflects implementation of current air quality legislation around the world, while ...
Background and aims: Process systems due to processed under severe operational conditions and deal with large amounts of flammable and explosive materials have always led to many catastrophic accidents. Risk assessment is a useful tool for designing effective strategies for preventing and controlling these accidents. Conventional risk assessment methods have major deficiencies, including uncert...
Meteorological drought in the Hadley Centre global climate model is assessed using the Palmer Drought Severity Index (PDSI), a commonly used drought index. At interannual time scales, for the majority of the land surface, the model captures the observed relationship between the El Niño–Southern Oscillation and regions of relative wetness and dryness represented by high and low values of the PDS...
This paper examines the GHG emission of industrial process in Shenyang city, in the Liaoning province of China, using the 2006 IPCC greenhouse gas inventory guideline. Results show that the total GHG emissions of industrial process has increased, from 1.48 Mt in 2004 to 4.06 Mt in 2009, except for a little decrease in 2008. The cement industry, and iron and steel industries, are the main emissi...
One of the main challenges faced in design and construction phases of tunneling projects is the determination of maximum allowable advance step to maximize excavation rate and reduce project delivery time. Considering the complexity of determining this factor and unexpected risks associated with inappropriate determination of that, it is necessary to employ a method which is capable of accounti...
BACKGROUND To plan prevention programmes for the diabetic renal disease among insulin-dependent diabetes mellitus (IDDM) children, projections of future trends for the disease is crucial. We projected future trends in the number of diabetic renal disease patients among IDDM children and assessed an impact of treatment dissemination in Japan. METHODS We used a Markov model to describe the clin...
The study of marine heat waves as extreme temperature events has a wide range applications, from gauge for ecological and socioeconomic impact to climate change indicator. Various definitions sea exist account its broad applicability, with statistical based on percentile thresholds being widespread in use. Using satellite model data the Mediterranean Sea, we analyze implications choosing baseli...
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