Name Description
Unit
H1/3
Average height of the highest 1/3 of the waves
cm
TH1/3 Average period of the highest 1/3 of the waves
s
H1/10 Average height of the highest 1/10 of the waves
cm
H1/50 Average height of the highest 1/50 of the waves
cm
T1/3
Average period of the longest 1/3 of the periods
s
GGH
Average height of all waves
cm
GGT
Average period of all waves
s
AG2
Number of waves
−
SPGH Standard deviation of the wave height
cm
SPGT Standard deviation of the wave period
s
Hmax
Height of highest wave
cm
Tmax
Period of longest wave
s
THmax Period of highest wave
s
HCM
Crest height, maximum positive value of all data within one analysis period
cm
Table 5: Time domain parameters.
Name
Description
Unit
Nwt_zP Sum of periods of waves divided by analysis period
−
Ndlr_H Number of valid sub-series of the signal in the vertical direction
−
Ngd_zP Percentage of data-points that do not contain error code before preprocessing
−
Nu_z
Number of valid data-points that are rejected because of 0-sigma errors
−
Nv_z
number of valid data-points that are rejected because of 4-sigma errors
−
Nd_z
number of valid data-points that are rejected because of 4-delta errors
−
Ni_z
number of interpolated or extrapolated vertical wave motion data points
−
Table 6: Quality parameters.
Name Description
Data-rate [sec]
Unit
H
Average height over last 10 seconds
10
cm
H1
Average height over last 1 minute
60
cm
H5
Average height over last 5 minutes
60
cm
H10
Average height over last 10 minutes
60
cm
Table 7: Water level parameters
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