کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8886666 | 1627895 | 2018 | 40 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Numerical simulation of the wind influence on bottom shear stress and salinity fields in areas of Zostera noltei replanting in a Mediterranean coastal lagoon
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی
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چکیده انگلیسی
The most interesting results concern the four nearshore replanting areas; two are situated on the eastern side of EB and two on the western side. The results of scen.#2 show that all these areas are subject to a downwind coastal jet. The destratification process is very beneficial; salinity always remains greater than 12 PSU for a N-NW wind of 80Â km/h and a hydropower runoff of 250Â m3/s. Concerning BSS, it presents a maximum near the shoreline and decreases along transects perpendicular to the shoreline. There exists a zone, parallel to the shoreline, where BSS presents a minimum (where BSSÂ =Â 0). When comparing the BSS value at the four control points with the critical value, BSScr, at which the sediment mobility would occur, we see that for the smaller bottom roughness values (ranging from z0Â =Â 3.5Â ÃÂ 10â4Â mm, to 3.5Â ÃÂ 10â2Â mm) BSS largely surpasses this critical value. For a N-NW wind speed of 40Â km/h (which is blowing for around 100Â days per year), BSS still largely surpasses BSScr - at least for the silt sediments (ranging from z0Â =Â 3.5Â ÃÂ 10â4Â mm, to 3.5Â ÃÂ 10â3Â mm). This confirms the possibility that the coastal jet could be a stressor for SAV replanting.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Progress in Oceanography - Volume 163, April 2018, Pages 147-160
Journal: Progress in Oceanography - Volume 163, April 2018, Pages 147-160
نویسندگان
E. Alekseenko, B. Roux,