نتایج جستجو برای: pressure patterns of asian monsoon and sudanese
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the quest for power has formed much of the world history especially in 20th and 21st centuries. oil (energy) particularly after industrial revolution has been a tool for conquest and power and has been transformed to a geopolitical issue. from a geopolitical point of view this has been the case for the last two centuries in central asia and caucasus. central asia and caucasus has always been...
12 The impact of the Tibetan Plateau uplift on the Asian monsoons and inland arid climates is an 13 important but also controversial question in studies of paleoenvironmental change during the 14 Cenozoic. In order to achieve a good understanding of the background for the formation of the 15 Asian monsoons and arid environments, it is necessary to know the characteristics of the 16 distribution...
this research was conducted to examine the effect of a concurrent training on rest level of leptin of plasma and some hormonal factors in non-athlete subjects. the research population included non-athlete men who didn’t participate in any organized sport activities. 30 men were chosen voluntarily among the above-mentioned population and were divided into 2 groups: experimental (15 subjects) an...
Problem statement The occurrence of terrible floods due to climate change has caused much damages in different parts of the world in recent decades, and the effect of these changes is more pronounced in dry areas. Floods are the most common environmental damage. On average, 60 floods occur annually in Iran, with an average annual flood loss of 141 people, meaning more than 2 deaths per year pe...
An interactive system coupling the Beijing Climate Center atmospheric general circulation model (BCC_AGCM2.0.1) and the Canadian Aerosol Module (CAM) with updated aerosol emission sources was developed to investigate the global distributions of optical properties and direct radiative forcing (DRF) of typical aerosols and their impacts on East Asian climate. The simulated total aerosol optical d...
The meteorological conditions during the period of spring transition over the Middle East and the Persian Gulf and adjacent land area is investigated. Monthly and seasonal variations of large-scale atmospheric patterns and wind aloft features at different levels were drawn from data collected from the National Centers for Environmental Prediction and National Center for Atmospheric Researches. ...
The East Asian winter monsoon (EAWM) and the North Pacific Oscillation (NPO) constitute two outstanding surface atmospheric circulation patterns affecting the winter sea surface temperature (SST) variability in thewesternNorth Pacific. The present analyses show the relationship between theEAWMandNPO and their impact on the SST are nonstationary and regime-dependent with a sudden change around 1...
In this study, we examined the responses of East Asian summer monsoon (EASM) to natural (solar variability and volcanic aerosols) and anthropogenic (greenhouse gasses and aerosols) forcings simulated in the 17 latest Coupled Model Intercomparison Program phase 5 models with 105 realizations. The observed weakening trend of low-level EASM circulation during 1958–2001 is partly reproduced under a...
the upper level pressure patterns control the climate of the surface. the identification of these patterns in the regional scale is useful for the study of the surface climate elements and their forecasting. in order to understand the pressure centers controlling the climate of iran during the cold period of the year, the daily 500 hpa. geopotential height of the grid points of 2.5 degrees dist...
Korean lakes differ from other temperate counterparts because they are artificially constructed reservoirs and experience an annual hydrologic cycle dominated by a summer monsoon (JONES et al. 1997, 2003, KIM et al. 2001). In this paper we describe how the monsoon influences the general limnology of Juam Lake, South Korea, as a contribution to the growing body of information on processes and se...
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