Table 5.
Median, mean, and standard deviation the global summer mean undersea acoustic parameters.
| Parameter | Median | Mean | Standard Deviation | Skewness | Kurtosis |
|---|---|---|---|---|---|
| Deep Sound Channel Axis Depth (m) | 950.0 | 882.5 | 403.3 | −0.58 | 3.32 |
| Sonic Layer Depth (m) | 30.0 | 49.5 | 75.2 | 3.96 | 24.6 |
| Second Sound Channel Axis Depth (m) | 90.0 | 180.2 | 265.0 | 2.45 | 8.95 |
| Critical Depth (m) | 3400.0 | 3103.8 | 1537.6 | −0.57 | 2.27 |
| Depth Excess (m) | 1100.0 | 1489.5 | 1242.6 | 1.06 | 3.35 |
| Surface Sound Speed (m/s) | 1527.8 | 1519.1 | 23.2 | −0.88 | 2.72 |
| Sonic Layer Depth Sound Speed (m/s) | 1528.1 | 1519.6 | 23.1 | −0.90 | 2.79 |
| Deep Sound Channel Axis Sound Speed (m/s) | 1483.9 | 1482.4 | 9.0 | −1.27 | 8.44 |
| Deep Sound Channel Strength (m/s) | 42.38 | 36.71 | 18.57 | −0.61 | 2.12 |
| Second Sound Channel Strength (m/s) | 1.32 | 11.40 | 14.53 | 1.10 | 3.17 |
| In-Layer Gradient (10−3 1/s) | 8.696 | 9.643 | 8.194 | 10.82 | 250.37 |
| Below Layer Gradient (10−3 1/s) | −50.23 | −57.31 | 58.37 | −5.06 | 42.43 |
| Surface Duct Cutoff Frequency (Hz) | 244 | 861 | 1709 | 5.96 | 48.30 |