منابع مشابه
Arctic Air Pollution
I n the face of rapid climate change in the Arctic (increasing temperatures, earlier onset of spring snowmelt, sea ice loss, etc.), it is important to improve our knowledge about processes driving these changes. In general, climate models are able to reproduce enhanced warming in the Arctic, the so-called Arctic amplification. However, discrepancies are apparent between observations and global ...
متن کاملDistributed and Non-Steadv State Modelling of an Air Cooler
Th•s paper presents the equation derivation as well as the stmulation results of a non-steady state distributed model for a commonly used type of evaporators -air coolers. In contraSt to others, the model puts the SU"Css on the rcfr~gcram mass transponation occuring in the two-phase flow region mside an air cooler. The so~led slip-effect between the vapour and liquid IS taCkled by using an adva...
متن کاملArctic air pollution: origins and impacts.
Notable warming trends have been observed in the Arctic. Although increased human-induced emissions of long-lived greenhouse gases are certainly the main driving factor, air pollutants, such as aerosols and ozone, are also important. Air pollutants are transported to the Arctic, primarily from Eurasia, leading to high concentrations in winter and spring (Arctic haze). Local ship emissions and s...
متن کاملLocal Arctic air pollution: Sources and impacts
Local emissions of Arctic air pollutants and their impacts on climate, ecosystems and health are poorly understood. Future increases due to Arctic warming or economic drivers may put additional pressures on the fragile Arctic environment already affected by mid-latitude air pollution. Aircraft data were collected, for the first time, downwind of shipping and petroleum extraction facilities in t...
متن کاملARCTIC SEA AIR INTERACTION including AASERT
LONG TERM GOALS Our long term goal is a quantitative understanding of how the ocean and atmosphere interact in the presence of a sea ice cover, on both local and regional scales. Because the greatest uncertainties in this interaction involve the effects of shortwave radiation on the ice and upper ocean, research is focused on processes that control the vertical distribution, storage, and transp...
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ژورنال
عنوان ژورنال: Manufacturing Technology
سال: 2015
ISSN: 1213-2489,1213-2489
DOI: 10.21062/ujep/x.2015/a/1213-2489/mt/15/5/920