کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6342836 | 1620499 | 2016 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A modeling study of convection initiation prior to the merger of a sea-breeze front and a gust front
ترجمه فارسی عنوان
یک مطالعه مدل سازی از آغاز گرمادهی قبل از ادغام یک جبهه دریایی و یک جبهه
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کلمات کلیدی
شروع تزریق، مطالعه مدلسازی، فرسای دریایی، پشت جلد، ادغام
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
علم هواشناسی
چکیده انگلیسی
Vertical momentum budgets were conducted in the intermediate area as well as along the backward trajectories of parcels within a selected convective cell. The vertical acceleration was decomposed into dynamic and buoyant components, respectively. The diagnostic results showed that the dynamic acceleration dominated in the low level, while buoyant acceleration became evident only when the parcel reached a high altitude above 2Â km. Therefore the dynamic forcing appeared to be more relevant to CI. The dynamic acceleration was further decomposed into four terms based on anelastic approximation. The positive dynamic acceleration was mainly caused by fluid extension associated with the low-level convergence, while fluid twisting in the vertical contributed negatively to the dynamic acceleration. The other two terms related to horizontal curvature and height variation of density were negligibly small.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Atmospheric Research - Volume 182, 15 December 2016, Pages 10-19
Journal: Atmospheric Research - Volume 182, 15 December 2016, Pages 10-19
نویسندگان
Abuduwaili Abulikemu, Xin Xu, Yuan Wang, Jinfeng Ding, Shushi Zhang, Wenqiang Shen,