17. CALCULATING THE INFLOW TO TUYEN QUANG RESERVOIR BY HEC-HMS MODEL USING DIFFERENT LULC MAPS AND BASIN DIVISIONS

Nguyen Tuan Anh, Nguyen Chinh Kien, Duong Thi Thanh Huong, Do Thanh Hang, Nguyen Thi Hang, Tran Thi Thanh Huyen

Giới thiệu

For mathematical models in general and hydrological models in particular, the accuracy of input data and the detail in using that data greatly affect the calculation results. For each specific requirement, how detailed the input data needed to ensure the accuracy while still meeting the requirements of real-time tasks is an issue that needs to be surveyed and researched. In this paper, the authors use HEC-HMS model with two types of LULC (Land use-Land cover) maps and different ratios of basin division to calculate Tuyen Quang reservoir inflow for August 2023 and July 2024 floods. The results show that the Jaxa LULC map gives better results than the Microsoft and Esri LULC map and divides Tuyen Quang basin into 29 sub-basins is more suitable than 09 and 49 sub-basins. From there, the influence of LULC map as well as the ratio of basin division on the accuracy and calculation time are commented.

Toàn văn bài báo

Được tạo từ tệp XML

Trích dẫn

[1]. Chinh Kien Nguyen (2020). Research on building a concentrated hydrology model for flood forecast in Vietnam river basins, Institute of Mechanic’ s project, Hanoi, p. 5 - 6.
[2]. Dinh Lap Bui (2016). Research on application of basin number in hydrology models. Journal of Hydro-Meteorology, 665, p. 46 - 51.
[3]. https://www.eorc.jaxa.jp/ALOS/en/dataset/LULC/LULC_vnm_v2309_e.htm
[4]. https://livingatlas.arcgis.com/landcover/
[5]. https://www.eorc.jaxa.jp/ALOS/en/dataset/fnf_e.htm
[6]. https://www.evn.com.vn/c3/thong-tin-ho-thuy-dien.aspx
[7]. US Army Corps of Engineers, Hydrological Model systems HEC-HMS User’s Manual Version 4.12, November 2023.
[8]. Tuan Anh Nguyen, Thanh Huong Duong Thi, Thanh Huyen Tran Thi (2020). Setup HEC - HMS model to forecast inflow to Tuyen Quang reservoir in 2020. Journal of Science on Natural Resources and Environment, 0866-7608, (34), p. 100 - 108.
[9]. Surendra Kumar Mishra & Vijay P. Singh (2023). SCS-CN methods, in: Soil Conservation Service Curve Number (SCS-CN) Methodology.
[10]. Tuan Anh Nguyen, Thi Hang Nguyen, Chinh Kien Nguyen, Thi Thanh Huong Duong, Viet Duc Nguyen, Thanh Hang Do (2023). Optimized parameters for Tuyen Quang reservoir basin using HEC-HMS model. In The 7th International Conference on Engineering Mechanics and Automation, Hanoi.

Các tác giả

Nguyen Tuan Anh
ntanh@imech.vast.vn (Liên hệ chính)
Nguyen Chinh Kien
Duong Thi Thanh Huong
Do Thanh Hang
Nguyen Thi Hang
Tran Thi Thanh Huyen
Anh, N. T., Kien, N. C., Huong, D. T. T., Hang, D. T., Hang, N. T., & Huyen, T. T. T. (2024). 17. CALCULATING THE INFLOW TO TUYEN QUANG RESERVOIR BY HEC-HMS MODEL USING DIFFERENT LULC MAPS AND BASIN DIVISIONS. Tạp Chí Khoa học Tài Nguyên Và Môi trường, (54), 180–188. https://doi.org/10.63064/khtnmt.2024.651
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