Table 1 Instrument settings and observed variables.
Instrument | Sampling Depths/Heights | Variables | Sampling Intervals | Resolutions | Accuracies |
|---|---|---|---|---|---|
Sea-Bird 911 plus CTD | −500 m ~ 0 m | Sea water conductivity | 1/24 s | 0.0003 S·m−1 | ± 0.00004 S·m−1 |
Sea water temperature | 0.001℃ | ± 0.0002℃ | |||
Pressure | 0.012% FS | 0.001% FS | |||
RDI 75 kHz ADCP | −500 m ~ −20 m | Current velocity components: u, v, w | 10 s | 0.001 m·s−1 | ± 1% |
Simard EK80 Echo sounder | −500 m ~ −20 m | Echo backscatter intensity | 6 s | —— | —— |
Vaisala AWS430 automatic weather station | 18 m | Wind speed: \(\:\left|{\mathbf{U}}_{\mathbf{a}}\right|\) | 3 s | 0.1 m·s−1 | ± 0.1 m·s−1 |
Wind direction: \(\:{Dir}_{a}\) | 1 ° | ± 2 ° | |||
19 m | Air temperature: \(\:{T}_{a}\) | 1 min | 0.1℃ | ±(0.055 + 0.0057 × \(\:{T}_{a}\)) ℃ | |
Relative humidity: \(\:f\) | 0.1% | ±(1.0 + 0.008 × f) % | |||
Air pressure: \(\:{P}_{a}\) | 0.1 hPa | ± 0.25 hPa | |||
0 m | Sea skin temperature: \(\:{T}_{s}\) | 0.1℃ | ± 0.2℃ | ||
WaMoS II | 0 m | Effective wave height: \(\:{H}_{s}\) | 2 ~ 3 min | 0.01 m | ± 10% |
Dominant wavelength: \(\:{L}_{p}\) | 0.1 m | ± 10% |