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Daytime thermodynamic and airflow structures over northeast bangladesh during the pre-monsoon season: A case study on 25 april 2010
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نویسنده
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murata f. ,terao t. ,kiguchi m. ,fukushima a. ,takahashi k. ,hayashi t. ,bhuiyan s.h. ,habib a. ,choudhury s.a.
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منبع
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journal of the meteorological society of japan - 2011 - دوره : 89 - شماره : A - صفحه:167 -179
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چکیده
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Simultaneous intensive radiosonde observation at three stations over northeast (sylhet),central (dhaka),and northwest (bogra) bangladesh was analyzed to describe a three-dimensional thermodynamic and airflow structures on 25 april 2010,in which a distinct nocturnal rainfall occurred at sylhet. as the observation was conducted in the daytime,the observed structures represent convectively inactive condition in a diurnal cycle. local circulation was unclear and larger-scale airflow was dominated over sylhet. the radiosonde observation indicated strong subsidence within 1-5 km over dhaka and bogra and within 4-5 km over sylhet,whereas topographic uplifting of southwesterly airflow was observed within 1-3 km over sylhet. temperature profiles of sylhet up to 3 km were lower than that of other stations,and easterly wind was observed at the surface. © 2011,meteorological society of japan.
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آدرس
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faculty of science,kochi university,2-5-1,akebonocho,kochi 780-8520, Japan, faculty of education,kagawa university,takamatsu, Japan, institute of industrial science,university of tokyo,tokyo, Japan, graduate school of urban environmental sciences,tokyo metropolitan university,hachioji, Japan, graduate school of integrated arts and sciences,kochi university,kochi, Japan, disaster prevention research institute,kyoto university,uji, Japan, bangladesh meteorological department,dhaka, Bangladesh, bangladesh meteorological department,dhaka, Bangladesh, bangladesh meteorological department,dhaka, Bangladesh
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Authors
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