Benchmark datasets for velocity measurements: Difference between revisions
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| 0.15 and 0.45 | | 0.15 and 0.45 | ||
| 0.15-0.2m/s (median) | | 0.15-0.2m/s (median) | ||
| 1e-8 | | 1e-8 to 1e-5 | ||
| Unstratified, but shear-induced anisotropy | | Unstratified, but shear-induced anisotropy | ||
| Unusual spikes at 0.15 m. At 0.45m, the viscous subrange is occasionally resolved | | Unusual spikes at 0.15 m. At 0.45m, the viscous subrange is occasionally resolved | ||
|- | |- | ||
| Tidal shelf | | Tidal shelf low quality | ||
| 185 | | 185 | ||
| 0.4 and 1.4 | | 0.4 and 1.4 | ||
| Line 35: | Line 35: | ||
| Bottom one in log-layer using the classical definition | | Bottom one in log-layer using the classical definition | ||
| Low-quality dataset | | Low-quality dataset | ||
|- | |||
| Tidal shelf high quality | |||
| 250 | |||
| 1.4? | |||
| <0.8?? | |||
| | |||
| Stratified bottom log-layer | |||
| High quality dataset with phase wrapping | |||
|- | |- | ||
| Lake | | Lake | ||
| Line 60: | Line 68: | ||
| sigma/U is roughly 1 (JM) | | sigma/U is roughly 1 (JM) | ||
|- | |- | ||
| MAVS | | Antarctic MAVS | ||
|353 | |353 | ||
|248 | |248 | ||
| Line 67: | Line 75: | ||
|weak stratification | |weak stratification | ||
|*under ice boundary layer, MAVS suspended 5m depth | |*under ice boundary layer, MAVS suspended 5m depth | ||
|- | |||
| MAVS | |||
| | |||
| | |||
| 1 | |||
| 1e-3 | |||
|weak stratification | |||
| Strong tidal flows in Nova Scotia | |||
|} | |} | ||
[[Category:Velocity point-measurements]] | [[Category:Velocity point-measurements]] | ||
Revision as of 01:38, 26 April 2022
Information is currently being transferred onto the wiki about the additional datasets.
| Dataset name | Total depth | Deployment height above bottom | Background speed | [math]\displaystyle{ \varepsilon }[/math] range | Stratification/shear information | Comment |
|---|---|---|---|---|---|---|
| Units | [m] | [m] | [m/s] | [W/kg] | ||
| Tidal slough | 2.8 | 0.15 and 0.45 | 0.15-0.2m/s (median) | 1e-8 to 1e-5 | Unstratified, but shear-induced anisotropy | Unusual spikes at 0.15 m. At 0.45m, the viscous subrange is occasionally resolved |
| Tidal shelf low quality | 185 | 0.4 and 1.4 | <0.3m/s but usually 0.1m/s | Bottom one in log-layer using the classical definition | Low-quality dataset | |
| Tidal shelf high quality | 250 | 1.4? | <0.8?? | Stratified bottom log-layer | High quality dataset with phase wrapping | |
| Lake | 4.3 | 0.12 | <0.1m/s | Unstratified | Shallow Lake (DW) | |
| Surface waves | large orbital sigma vs mean current (SM) | |||||
| Surface waves | sigma/U is roughly 1 (JM) | |||||
| Antarctic MAVS | 353 | 248 | 0.15 max. | 1e-8 to 1e-6 | weak stratification | *under ice boundary layer, MAVS suspended 5m depth |
| MAVS | 1 | 1e-3 | weak stratification | Strong tidal flows in Nova Scotia |
