نتایج جستجو برای: including the meteorology organization synoptic
تعداد نتایج: 16084073 فیلتر نتایج به سال:
Meteorology is a global endeavor consuming vast resources for keeping an eye on the entire world. Thereby it not only detects the present state of the atmosphere, but also envisions its possible futures. Thus, the knowledge instruments of meteorology are permanent remote sensing, worldwide nets of weather stations, world data archives, and global circulation models computing weather and climate...
One characteristic of numerical weather prediction (NWP) practice in the Australian Bureau of Meteorology (‘the Bureau’) since the early 1970s that distinguishes it from the practices in many other national meteorological centres has been the ongoing effort to incorporate the skills of manual analysis, including satellite imagery interpretation, into the initial states for NWP. Both the way in ...
We describe a global three-dimensional model for tropospheric O3-NOx-hydrocarbon chemistry with synoptic-scale resolution. A suite of 15 chemical tracers, including O3, NOx, PAN, HNO3, CO, H2O2, and various hydrocarbons, is simulated in the model. For computational expediency, chemical production and loss of tracers are parameterized as polynomial functions to fit the results of a detailed O3-N...
Abstract Inhalation of grass pollen can result in acute exacerbation asthma, prompting questions about how reaches metropolitan areas. We establish typical atmospheric Poaceae (grass) concentrations recorded at two samplers within the Sydney basin eastern Australia and analyse their correlation with each other meteorological variables. determine effect synoptic regional airflow on transport dur...
some new water-soluble schiff base complexes of na2[m(5-so3-1,2-salophen)].nh2o; (5-so3-1,2-salophen = n,n’-bis(5-sulphosalicyliden)-1,2-phenylendiamine); na2[m(5-so3-2,3-salpyr)(h2o)n].2h2o; (5-so3-2,3-salpyr = n,n’-bis(5-sulphosalicyliden)-2,3-diaminopyridine); and na2[m(5-so3-3,4-salbenz)(h2o)n].nh2o; (5-so3-3,4-salbenz = n,n’-bis(5-sulphosalicyliden)-3,4-diaminobenzophenon); where m = cu, n...
this study is an outlook of iranians religious practices and customs in eras such as nasser one. it attempts to answer the main question, "religious practices and ceremonies in the society during naseri ruling" and other subsidiary questions with scientific and historical theories. iran was a traditional and religious community . people abided by their religious practices and duties within reli...
مراتع حدود نیمی از خشکی های جهان را در بر دارند و پوشش گیاهی آن در نتیجه تأثیر متقابل محیط و موجودات زنده به وجود آمده است و به عنوان یک اکوسیستم طبیعی مدیریت می شوند. علاوه بر مراتع، راه ها در عصر حاضر نیز از اجزا مهم و زیرساخت های اصلی زندگی نوین و توسعه کشورها به شمار می روند. جاده ها ساخته دست بشر هستند و جوامع گیاهی کنار جاده تحت تأثیر ساخت و ساز قرار دارند. پوشش "رودرال" به مجموعه ای از پ...
The designations employed and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the Secretariat of the World Meteorological Organization concerning the legal status of any country, territory, city, or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries. The Associated Programme on Flood Ma...
Prediction of urban air pollution is an important subject in environmental studies. However, the required data for prediction is not available for every interested location. So, different models have been proposed for air pollution prediction. The feature selection (among 20 features given in Meteorology Organization data) was performed by binary gravitational search algorithm (BGSA) in this st...
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