نتایج جستجو برای: low density of meteorological stations

تعداد نتایج: 21273883  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1393

this study aimed at examining the effects of iranian efl learners’ anxiety, ambiguity tolerance, and gender on their preferences for corrective feedback (cf, henceforth). the effects were sought with regard to the necessity, frequency, and timing of cf, types of errors that need to be treated, types of cf, and choice of correctors. seventy-five iranian efl students, twenty-eight males and forty...

Journal: :پژوهش های جغرافیای طبیعی 0
ام البنین پودینه دانش آموخته کارشناسی ارشد مهندسی منابع آب، گروه مهندسی آب، دانشکدة آب و خاک، دانشگاه زابل معصومه دلبری دانشیار گروه مهندسی آب، دانشکدة آب و خاک، دانشگاه زابل پرویز حقیقت جو استادیار گروه مهندسی آب، دانشکدة آب و خاک، دانشگاه زابل میثم امیری کارشناسی ارشد مهندسی منابع آب، گروه پژوهشی مدیریت منابع آب، پژوهشکدۀ تالاب بین المللی هامون، دانشگاه زابل

introduction the knowledge about spatial variability of precipitation is a key issue for regionalization in hydro-climatic studies. measurements of meteorological parameters by the traditional methods require a dense rain gauge network. but, due to the topography and cost problems, it is not possible to create such a network in practice. in these cases the spatial distribution pattern of precip...

Journal: :آب و خاک 0
فاطمه عباسی شراره ملبوسی ایمان بابائیان مرتضی اثمری رضا برهانی

abstract in this research, four meteorological set of data including maximum temperature, minimum temperature, precipitation and radiation from echo-g, under a1scenario have been used for climate change detection over south khorasan. echo-g is a general circulation model that currently is used in hamburg university and korea meteorological research institute. in this research climate change ass...

ژورنال: علوم آب و خاک 2010
دستورانی, محمدتقی , افخمی, حمیده , مبین, حسین , ملکی نژاد, حسین ,

Drought is a natural feature of the climate condition, and its recurrence is inevitable. The main purpose of this research is to evaluate the effects of climatic factors on prediction of drought in different areas of Yazd based on artificial neural networks technique. In most of the meteorological stations located in Yazd area, precipitation is the only measured factor while generally in synopt...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم پایه 1392

a novel and ultra low cost isfet electrode and measurement system was designed for isfet application and detection of hydronium, hydrazinium and potassium ions. also, a measuring setup containing appropriate circuits, suitable analyzer (advantech board), de noise reduction elements, cooling system and pc was used for controlling the isfet electrode and various characteristic measurements. the t...

Journal: :تحقیقات جغرافیایی 0
بختیار محمدی دانشگاه کردستان

the knowledge about climatic comfort plays an important role in the humans life and her activities. in fact many human activates are directly related with climatic comfort in every region. this paper analyzed the climatic comfort in province kurdistan (sanandaj, saghez, bijar, ghorve, zarine, marivan and bane meteorological stations). rates of climatic comfort analyzed in meteorological station...

2009
Michael L. Stein M. L. STEIN

Climate modelers generally require meteorological information on regular grids, but monitoring stations are, in practice, sited irregularly. Thus, there is a need to produce public data records that interpolate available data to a high density grid, which can then be used to generate meteorological maps at a broad range of spatial and temporal scales. In addition to point predictions, quantific...

2004

The Chinese observed land-surface air temperature data set includes measurements from 731 meteorological stations from 1951 to the present, as collected and processed by the National Meteorological Center of the China Meteorological Administration (1, 2). Because some stations were removed, the actual total number of stations in operation today is 671, distributed among 31 provinces and municip...

Background & Aims of the Study: Due to widespread dust-storms in the western regions of Iran and the significant role of meteorological parameters in formation and control of these storms, this study aimed to explore the correlation between meteorological parameters and dust-storm occurrences in the western part of Iran. Materials & Methods: In this cross-sectional study, meteorological param...

Journal: :Monthly Weather Review 1920

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید