Table 5 Changes in the characteristics of the resulting wind over the Caspian sea area and its parts for the period 1980–2023 (α –resultant wind direction).
Periods | Northward wind (m/s) | Eastward wind (m/s) | Vresult (m/s) | tan (α) | α (°) |
|---|---|---|---|---|---|
Caspian Sea, as a whole | |||||
1980–1995 | -0.68(0.11) | -0.97(0.33) | 1.21(0.25) | 1.43 | 53.1(12.3) |
1996–2023 | -0.57(0.22) | -1.20(0.35) | 1.35(0.26) | 2.10 | 63.0(14.7) |
Difference | 0.11* | -0.23* | 0.14 | 9.9* | |
In % | 16.2% | 23.4% | 11.6% | ||
Northern Caspian | |||||
1980–1995 | -0.23(0.18) | -0.57(0.67) | 0.78(0.50) | 2.48 | 68.0 (48.6) |
1996–2023 | -0.07(0.25) | -0.85(0.61) | 0.94(0.54) | 12.9 | 85.6(38.1) |
Difference | 0.16* | -0.28 | 0.16 | 17.6 | |
In % | 71.6% | 49% | 20.5% | ||
Middle Caspian | |||||
1980–1995 | -0.64(0.17) | -0.92(0.38) | 1.17(0.25) | 1.43 | 55.0(17.1) _ |
1996–2023 | -0.31(0.29) | -1.21(0.41) | 1.30(0.34) | 3.98 | 75.9(15.8) |
Difference | 0.33** | -0.29* | 0.13 | 20.9** | |
In % | 52.5% | 31.9% | (11.1%) | ||
Southern Caspian | |||||
1980–1995 | -1.52(0.19) | -1.19(0.22) | 1.95(0.19) | 0.78 | 38.0(6.3) |
1996–2023 | -1.6(0.27) | -1.43(0.27) | 2.18(0.16) | 0.90 | 42.0(9.2) |
Difference | -0.08 | -0.24* | 0.23* | 4.0 | |
In % | 5% | 19.8% | 11.8% | ||
