Table 1 Number of points, arcs, triangles, and average grid interval of the icosahedral grids
From: The Non-hydrostatic Icosahedral Atmospheric Model: description and development
| Â | Points | Arcs | Triangles | Average area | Average interval |
|---|---|---|---|---|---|
g-level | N P | N A | N T | (km 2 ) | (km) |
0 | 12 | 32 | 20 | 5,100,996.991 | 7,142.126 |
1 | 42 | 122 | 80 | 1,275,249.248 | 3,571.063 |
2 | 162 | 482 | 320 | 318,812.312 | 1,785.532 |
3 | 642 | 1,922 | 1,280 | 79,703.078 | 892.766 |
4 | 2,562 | 7,682 | 5,120 | 19,925.769 | 446.383 |
5 | 10,242 | 30,722 | 20,480 | 4,981.442 | 223.191 |
6 | 40,962 | 122,882 | 81,920 | 1,245.361 | 111.596 |
7 | 163,842 | 491,522 | 327,680 | 311.340 | 55.798 |
8 | 655,362 | 1,966,082 | 1,310,720 | 77.835 | 27.899 |
9 | 2,621,442 | 7,864,322 | 5,242,880 | 19.459 | 13.949 |
10 | 10,485,762 | 31,457,282 | 20,971,520 | 4.865 | 6.975 |
11 | 41,943,042 | 125,829,122 | 83,886,080 | 1.216 | 3.487 |
12 | 167,772,162 | 503,316,482 | 335,544,320 | 0.304 | 1.744 |
13 | 671,088,642 | 2,013,265,922 | 1,342,177,280 | 0.076 | 0.872 |
14 | 2,684,354,562 | 8,053,063,682 | 5,368,709,120 | 0.019 | 0.436 |