Phân bố tốc độ và hướng gió mặt biển trung bình tháng trên biển Đông Việt Nam

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Tác giả: Van Tac Vu

Ngôn ngữ: Vie

Ký hiệu phân loại: 627 Hydraulic engineering

Thông tin xuất bản: Tạp chí Khoa học và Công nghệ Biển, 2023

Mô tả vật lý: 29-38

Bộ sưu tập: Metadata

ID: 407973

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Tóm tắt
Chủ đề

Phân tích bộ dữ liệu gió trên mặt biển được chia lưới toàn cầu hàng tháng từ tháng 1 năm 1991 đến tháng 12 năm 2020, được lấy từ Bộ dữ liệu khí quyển-đại dương toàn diện quốc tế (ICADS). Mục tiêu là xây dựng các sơ đồ mô tả sự phân bố trung bình hàng tháng của tốc độ và hướng gió trên mặt biển ở Biển Đông Việt Nam. Những bản đồ này cung cấp một đại diện trực quan về mô hình gió mùa tại các điểm và khu vực khác nhau trong khu vực. Kết quả thống kê và phân tích cho thấy Biển Đông Việt Nam chịu ảnh hưởng chủ yếu của hai loại gió mùa Đông Bắc và Tây Nam. Cái này mạnh thì cái kia yếu và ngược lại. Gió mùa đông bắc thịnh hành từ tháng 9 đến tháng 4 năm sau, gió mùa tây nam thịnh hành từ tháng 5 đến tháng 8. Cường độ gió mùa đông bắc thường lớn hơn gió mùa tây nam. Kết quả này cung cấp một cái nhìn tổng quan về sự phân bố gió mùa trên Biển Đông Việt Nam, giúp các nhà khoa học và các nhà quản lý đề xuất các chính sách, biện pháp phù hợp với môi trường khí hậu và các mùa gió. Những phát hiện này cũng góp phần khai thác hiệu quả nguồn năng lượng gió dồi dào ở ven biển Việt Nam và biển Đông Việt Nam. Hơn nữa, kết quả này phù hợp với các nghiên cứu trước đây về gió mùa ở Biển Đông Việt Nam, cho thấy nguồn dữ liệu được sử dụng trong nghiên cứu này là đáng tin cậy và có thể được sử dụng làm dữ liệu đầu vào cho các mô hình thủy triều, dòng chảy hoặc lan truyền dầu., Tóm tắt tiếng anh, This paper analyzes a monthly global gridded sea-surface wind dataset from Jan 1991 to Dec 2020, sourced from the International Comprehensive Ocean-Atmosphere Data Set (ICOADS). The goal is to construct schematic maps depicting the monthly average distributions of sea-surface wind speeds and directions in the East Vietnam Sea. These maps provide a visual representation of the monsoon patterns at different points and areas in the region. The statistical and analytical findings reveal that the East Vietnam Sea is primarily influenced by two types of monsoons: northeast and southwest. When one is strong, the other is weak, and vice versa. The northeast monsoon dominates from September to April of the following year, while the southwest monsoon is more dominant from May to August. The intensity of the northeast monsoon is usually greater than that of the southwest monsoon. These results provide an overview of the monsoon distributions in the East Vietnam Sea, which can assist scientists and managers in proposing policies and measures suitable to the climate environment and wind seasons. These findings also help in the effective exploitation of abundant wind energy resources in coastal Vietnam and the East Vietnam Sea. Furthermore, the results are consistent with previous studies of monsoons in the East Vietnam Sea, indicating that the data source used in this study is reliable and can be utilized as input data for tidal, currents, or oil spread models.

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