| IDENT |
Measuring station identification number (key to the observations geographical location) |
| DATO |
Observation date-time timestamp in UTC+1 |
| H_MAX |
Hmax : Height of the highest wave the previous 30 minutes, in meters (m) |
| T_MAX |
T(Hmax) : Period of the highest wavet the previous 30 minutes, in seconds (s) |
| H_1_10 |
H[1/10] : Average height of 10% highest waves the previous 30 minutes, in meters (m) |
| T_1_10 |
T(H[1/10]) : Average period of 10% highest waves the previous 30 minutes, in seconds (s) |
| H_1_3 |
H[1/3] : Average height of 33% highest waves the previous 30 minutes, in meters (m) |
| T_1_3 |
T(H[1/3]) : Average period of 33% highest waves the previous 30 minutes, in seconds (s) |
| H_AVG |
Hav : Average height of all waves the previous 30 minutes, in meters (m) |
| T_AVG |
Tav : Average wave period for zero-upcross waves the previous 30 minutes, in seconds (s). (Tav = Tavg = Tsum/#Waves) |
| H_M0 |
Hs : Significant wave height the previous 30 minutes, in meters (m) |
| T_Z |
Tz : Zero-upcross wave period calculated from spectral moments the previous 30 minutes, in seconds (s). Tz = sqrt(m0/m2) |
| T_P |
Tp : Peak wave period. Period from the spectral bin in which power spectral density (PSD) for the previous 30 minutes was found, in seconds (s) |
| DIR |
Dirp : Peak direction, the direction of waves for which the power spectral density (PSD) has been highest the previous 30 minutes, in degrees (°) |
| SPRED_P |
Sprp : Peak spread, the directional spread of wave directions which has reached the highest power spectral density (PSD) the previous 30 minutes, in degrees (°) |
| EPS |
Eps (from hiw file) : Bandwidth parameter from the previous 30 minutes (0-1 unitless) |
| PCT_OK |
Coverage : Percentage of data with no reception errors the previous 30 minutes (%) |
| TEMP |
TSea : Sea surface temperature, in degrees celcius (°C) |
| TI |
Ti : Integral wave period calculated from spectral moments the previous 30 minutes, in seconds (s). Ti = sqrt(m[-2] / m0) |
| T1 |
T1 : Mean wave period calculated from spectral moments the previous 30 minutes, in seconds (s). T1 = m0/m1 |
| T_C_M |
Tc : Crest wave period calculated from from spectral moments the previous 30 minutes, in seconds (s). Tc = sqrt(m2 / m4) |
| TDW2 |
Tdw2 : Datawell specific wave period calculated from spectral moments the previous 30 minutes, in seconds (s). Tdw2 = sqrt(m[-1] / m1) |
| TDW1 |
Tdw1 : Datawell specific peak wave period estimation calculated from spectral moments the previous 30 minutes, in seconds (s). Tdw1=sqrt(m[-1,2] / m0) |
| T_P_M |
Tpc : Calculated peak wave period from spectral moments the previous 30 minutes, in seconds (s). Tpc = m[-2] * m1 / m0 ^ 2 |
| EPSI2 |
Nu : Longuet-Higgins narrowness factor, spectral width parameter for a narrow spectrum the previous 30 minutes (0-1 unitless) |
| EPSI4 |
Eps (from his file) : Broadness factor, spectral width parameter, calculated from the number of maxima and minima that occurred the previous 30 minutes (0-1 unitless) |
| QP |
QP : Goda's peakedness parameter from the previous 30 minutes (0-1 unitless) |
| SS |
Ss : Significant steepness for measured wave shapes from the previous 30 minutes (0-1 unitless) |
| TEMP_REF |
Tref : Reference temperature, normally = 25 degrees celsius (°C). Deviations from 25 can be used to indicate deviations in the Tsea measurement. |
| BAT |
Bat : Waverider buoy battery status (0=empty .. 7=full, unitless) |
| KONTROL |
Indicates whether the observation is verified by manual/physical QC or not. (Values: "QC verified" or "No QC performed") |
| WAVES_NO |
#Waves : Number of zero-upcross waves the previous 30 minutes (unitless) |