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In Association with
The Black Sea SST fluctuations in association with temperature and precipitation of West and Northwest of Iran
3rd World Congress on Climate Change and Global Warming
Iman Rousta and Haraldur Olafsson
Yazd University, Iran University of Iceland, Iceland Icelandic Meteorological Office, Iceland
ScientificTracks Abstracts: J Earth Sci Clim Change
DOI:
Abstract
In recent years, global warming has come to the fore as one of the world芒�?�?s most serious environmental problems. The interaction of the ocean and atmosphere plays an important role in shaping the climate and its variations. Meanwhile, SST fluctuations have diverse effects on climate variability. The purpose of this study was to investigate and analyze the effects of Black Sea SST anomalies on the temperature and precipitation of west and northwest of Iran. For this purpose, the SST of Black Sea has been obtained from the NCEP/NCAR database. After extraction of Black Sea SST, daily temperature and precipitation data of 80 stations were retrieved for the west and northwest of the Iran from IRIMO during the period of 1960 to 2010. Then, by using Pearson correlation coefficient, the relationship between temperature and precipitation in the West and northwest of Iran with the positive and negative anomalies of the SST of Black Sea were calculated. The results of this study showed that the positive anomalies of the SST of Black Sea are more affected by the temperature of the west part of study region, so that the spatial variation of the temperature during the negative anomalies of Black Sea SST in this region was higher. However, the temperature in the northwest of the study region is more associated with negative anomalies. In the case of precipitation, the situation is different, so that precipitation in the study area is more associated with negative anomalies of SST of Black Sea, which is more affected the western provinces. At the time of positive anomalies, only the provinces of Ardabil, East and West Azerbaijan are weakly influenced.Biography
Iman Rousta has completed his PhD from Tehran University, Iran. His PhD thesis is in Climate Change and Atmospheric Blocking. He is currently an Assistant Professor of Climatology at the Department of Geography, Yazd University. He has published more than 20 papers in reputed journals.
