نتایج جستجو برای: salinity and oceanic currentsthrough satellite altimetry observations and known coordinates on mean sea level msl

تعداد نتایج: 18656174  

Journal: :فیزیک زمین و فضا 0
مهدی خاکی دانشجوی کارشناسی ارشد ژئودزی گروه مهندسی نقشه برداری، پردیس دانشکده های فنی دانشگاه تهران احسان فروتن محقق ژئودزی گروه ژئودزی و اطلاعات زمینی، دانشگاه بن محمد علی شریفی استادیار گروه مهندسی نقشه برداری، پردیس دانشکده های فنی دانشگاه تهران عبدالرضا صفری دانشیار گروه مهندسی نقشه برداری، پردیس دانشکده های فنی دانشگاه تهران

monitoring of water levels within the seas and oceans has been enhanced by application of satellite radar altimetry missions, compared to the traditional in-situ tide gauge measurements, due to their vast coverage and better spatial resolution. satellite radar altimetry, which is originally designed to measure global ocean surface height, has been applied to inland surface water hydrologic stud...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه امام صادق علیه السلام - دانشکده الهیات و معارف اسلامی 1391

muhammad ibn muhammad ibn numan, known as "shaykh mufid," one of the great imamiye theologians and jurists in the fourth and early fifth century , had comprehensive mastery of both rational and traditional topics and exerted his influence upon both his contemporary and future scholors. he is considered to be one of the top imamiye scholars who spent his lifetime teaching, learning and authorin...

2017
B. D. Hamlington P. Thompson W. C. Hammond G. Blewitt R. D. Ray

Near-global and continuous measurements from satellite altimetry have provided accurate estimates of global mean sea level in the past two decades. Extending these estimates further into the past is a challenge using the historical tide gauge records. Not only is sampling nonuniform in both space and time, but tide gauges are also affected by vertical land motion (VLM) that creates a relative s...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1390

the purpose of the present study was to see which one of the two instruction-processing instruction (pi) and meaningful output based instruction (mobi) accompanied with prompt and recast- is more effective on efl learners’ writing accuracy. in order to homogenize the participants in term of language proficiency a preliminary english test (pet) was administrated between 74 intermediate students ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

the present research study attempted to find out the extent to which two pre-task activities of “glossary of unknown vocabulary items” and “content related support” assisted efl language learners with their performance on listening comprehension questions across two different proficiency levels (low and high). data for this study were obtained from a total of 120 language learners, female and m...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...

2017
Lu Zhou Shiming Xu Jiping Liu Bin Wang

The accurate knowledge of sea ice parameters, including sea ice thickness and snow depth over the sea ice cover, are key to both climate studies and data assimilation in operational forecasts. Large-scale active and passive remote sensing is the basis for the estimation of these parameters. In traditional altimetry or the retrieval of snow depth with passive microwave sensing, although the sea ...

2013
M. N. Tsimplis F. M. Calafat M. Marcos G. Jordà D. Gomis L. Fenoglio-Marc M. V. Struglia S. A. Josey D. P. Chambers

[1] Sea level in the Mediterranean Sea over the period 1993–2011 is studied on the basis of altimetry, temperature, and salinity data and gravity measurements from Gravity Recovery and Climate Experiment (GRACE) (2002–2010). An observed increase in sea level corresponds to a linear sea level trend of 3.0 0.5mm/yr dominated by the increase in the oceanic mass in the basin. The increase in sea le...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده پزشکی 1390

nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...

Journal: :Frontiers in Marine Science 2022

Satellite altimetry, satellite gravimetry, and in-situ subsurface salinity temperature profiles are used to investigate the total, barystatic, steric sea level variations in Baltic Sea, respectively. To estimate level, density weighted deeper layers prevent overestimation of their contribution. We show that sum barystatic components exhibits excellent cross correlation (0.9) with altimetry also...

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