2017
DOI: 10.1061/(asce)he.1943-5584.0001514
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Rectilinear Inverse Distance Weighting Methodology for Bathymetric Cross-Section Interpolation along the Mississippi River

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Cited by 13 publications
(4 citation statements)
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“…The coordinate system, projection, and depth datum of all bathymetric data were then unified to the CGCS2000, Gauss-Krüger projection, and TLTL, respectively. Finally, bathymetric data were interpolated into 50 × 50 m grid resolution digital elevation models (DEMs) using the triangular irregular network interpolation (TIN) method, widely used in bathymetric analysis (Dallas and Barnard, 2009;Andes and Cox, 2017;Zhou et al, 2020;Gao et al, 2021). DEMs can be used to generate contours, extract topographic profiles, and calculate volumes.…”
Section: Methodsmentioning
confidence: 99%
“…The coordinate system, projection, and depth datum of all bathymetric data were then unified to the CGCS2000, Gauss-Krüger projection, and TLTL, respectively. Finally, bathymetric data were interpolated into 50 × 50 m grid resolution digital elevation models (DEMs) using the triangular irregular network interpolation (TIN) method, widely used in bathymetric analysis (Dallas and Barnard, 2009;Andes and Cox, 2017;Zhou et al, 2020;Gao et al, 2021). DEMs can be used to generate contours, extract topographic profiles, and calculate volumes.…”
Section: Methodsmentioning
confidence: 99%
“…For the scattered point density, OK showed smoother DEMs. Other studies also suggested that ordinary kriging (OK) could accurately predict hydraulic features, bathymetry, sediment flux, flow, and process variance in the anisotropic nature of hydraulic structures and channel shapes [18,21,36,38,39]. Although OK presented smoother DEMs, the difference in the DEMs with a 1 × 1 m 2 grid indicated the better performance of TINs.…”
Section: Interpolation Methodsmentioning
confidence: 99%
“…Tuy nhiên, hạn chế chung của các giải pháp tự động này là không thể đo độ cao khu vực gần bờ sông do phương tiện đo không thể tiếp cận. Các nhà nghiên cứu trong lĩnh này mô phỏng thủy lực sông cũng đã nhận ra điều này (Andes & Cox, 2017;Hilton et al, 2019). Vì vậy, việc đề xuất một giải pháp hiệu quả để thu thập độ cao của khu vực gần bờ sông sẽ rất hữu ích.…”
Section: Giới Thiệuunclassified