Campbell CPEC300, Руководство по эксплуатации продукта

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E-1
Appendix E. Quality Grading
TABLES E-1 and E-2 below show the quality grade definitions. Refer to
Foken et al. (2012) for more details, and refer to Appendix F of the
EasyFluxDL for CR6OP for more details on the implementation in the
datalogger program.
TABLE E-1. Grades of relative non-stationarity, relative integral turbulence characteristics, and wind
direction in the sonic instrument coordinate system.
RN
cov
Relative non-stationarity
[model (2.3) in Foken et al.
(2012)]
ITC
sw
and
ITC
tau
Relative integral
turbulence characteristics
[model (2.5) in Foken et al.
(2012)]
wnd_dir_sonic
Wind direction
Grade Range (%) Grade Range (%) Grade Range
1 (best) [0 , 15) 1 (best) [0 , 15) 1 (best) [0 – 150°], [210 – 360°]
2 [15 , 30) 2 [15 , 30) 2 [150 – 170°], [190 – 210°]
3 [30 , 50) 3 [30 , 50) 3 (worst) [170 – 190°]
4 [50 , 75) 4 [50 , 75)
5 [75 , 100) 5 [75 , 100)
6 [100 , 250) 6 [100 , 250)
7 [250 , 500) 7 [250 , 500)
8 [500 , 1000) 8 [500 , 1000)
9 (worst) ≥1,000% 9 (worst) > 1,000%