Abstract The underlying mechanisms for Arctic sea ice decline can be categories as those directly related to changes in atmospheric circulations (often referred dynamic mechanisms) and the rest (broadly characterized thermodynamic processes). An attribution analysis based on self-organizing maps (SOM) method is performed determine relative contributions from these two types of August–October du...

Abstract Using observation, reanalysis and model datasets, the impact of El Niño-Southern Oscillation (ENSO) on winter precipitation in southern China is re-examined. The results show that positive correlation between ENSO after 1995 significantly higher than before 1995. Significant located mainly over coastal areas 1995, whereas extends northward to Yangtze River basin These changes relations...

during the recent decades, urban management in iran has increasingly confronted numerous challenges due to different kinds of social, cultural, political, executive, financial, and legal factors. the present study is going to specify and analyze the aforementioned challenges in the domain of the urban environment in order to determine how far they have been effective, how they have been priorit...