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Table 2. Information on the setup of the four grids for COMCOT.

From: Tsunami-induced coastal change: scenario studies for Painan, West Sumatra, Indonesia

  Grid 0 Grid A Grid B Grid C (Painan)
Number of grids 481 × 421 723 × 723 543 × 543 680 × 680
Latitude scope (degree) 95E to 103E 98E to 102E 100E to 101E 100.4E to 100.65E
Longitude scope (degree) 6S to 1N 4S to 0N 1.8S to 0.8S 1.45S to 1.2S
Grid size (m) 1850 616.67 205.56 41.07
Parent grid None Grid 0 Grid A Grid B
Ratio to parent grid None 3 3 5
Time step (sec) 1.2 0.6 0.3 0.15
Coord. system Spherical Spherical Spherical Cartesian
SWE type Linear Linear Linear Nonlinear
Manning roughness 0 0 0 Non-zero
  1. SWE = Shallow Water Equations.