نتایج جستجو برای: madys satellite data and aerosol optical thickness aot is used for statistical period 2000

تعداد نتایج: 19590201  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1392

abstract the present study deals with a comparison between reactive and pre-emptive focus-on-form in terms of application and efficiency. it was conducted in an intermediate english class in shahroud. 15 male learners participated in this research and their age ranged from 18 to 25. a course book, new interchange 3, and a complementary book were used. every session the learners gave lectures o...

2004
JUN WANG

The multi-angle imaging spectroradiometer (MISR) aerosol optical thickness (AOT) product (τ MISR) was compared with sunphotometer AOT (τ SP) at Dunhuang (40.09◦N, 94.41◦E), located near the Takalamakan and Gobi dust source regions in China, during March–November 2000. This study is unique because AOT measurements from the ground are not routinely available at or near dust source regions. The τ ...

2003
Jun Wang Sundar A. Christopher Jeffrey S. Reid Hal Maring Dennis Savoie Brent N. Holben John M. Livingston Philip B. Russell Shi-Keng Yang

[1] Using 30 days of half-hourly, high temporal resolution GOES 8 imager data and radiative transfer calculations, dust aerosol optical thickness (AOT) was retrieved over the Atlantic Ocean (14 N 26 N, 73 W–63 W) during the Puerto Rico Dust Experiment (PRIDE). Dust aerosol size distributions and complex index of refraction inferred from ground-based measurements (1.53–0.0015i at 0.55 mm), which...

پایان نامه :0 1392

it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...

2005
S. Kinne M. Schulz C. Textor S. Guibert Y. Balkanski S. E. Bauer

The AeroCom exercise diagnoses multicomponent aerosol modules in global modeling. In an initial assessment simulated global distributions for mass and mid-visible aerosol optical thickness (aot) were compared among 20 different modules. Model diversity was also explored in the context of previous comparisons. For the component combined aot general agreement has improved for the annual global me...

2009
Man Sing WONG Janet NICHOL Kwon Ho LEE Zhanqing LI

Aerosol detection and monitoring by satellite observations has been substantially developed over past decades. While several state-of-art aerosol retrieval techniques provide aerosol properties in global scale, the more detail characteristics remain unknown because most of the satellite sensors are limited to 1km resolution observations. However, a new aerosol retrieval algorithm for the Modera...

2003
Yang Liu Jeremy A. Sarnat Brent A. Coull Petros Koutrakis Daniel J. Jacob

Aerosol optical thickness (AOT) data derived by the Multi-angle Imaging SpectroRadiometer (MISR) from Jan 2001 to Feb 2002 were compared with AOT measurements from 16 Aerosol Robotic Network (AERONET) sites over the contiguous United States. Overall, MISR and AERONET AOTs were strongly correlated (correlation coefficient = 0.81). Regression analysis showed that MISR AOT retrievals had a positiv...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده ادبیات و علوم انسانی 1391

the purpose of this two-phase, sequential mixed methods study was to find out whether there were any decencies between male and female ma students’ theses regarding the common features of academic writing such as syntactic complexity, means of integrating cited information, and organizing arguments. i chose 10 male written theses and 15 female written theses in tefl and linguistics. in the firs...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت معلم تهران 1381

‏‎the purpose of the present study was to investigate the latent pattern underlying reading ability . some 272 male and female participants. english majors at the ba level , participated in the study. two valid tests were used in this study, the reading test developed exclusively for the purpose of this project and academic reading section of ielts. to investigate the possible latent underlying...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم تربیتی و روانشناسی 1393

the purpose of this study was to investigate the relationship between teachers’ class management practices with students’ self- regulated learning and academic self-efficacy. in this study relating to the management class, three dimensions, (training management, people management and behavior management) and three style (interventionist, interactionist and non-interventionist) was considered. r...

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