Table 2 Summary of the surveyed environmental and technical parameters within the observation period, as well as their inclusion in the final models following model selection

Noise [dB]

148.70–622.7

311.7 ± 106.38

151.40–831.60

300.6 ± 86.39

DPF, DPL

Distance [m]

129

–

85–1097

–

DPL

Tilt [°]

0.00–73.00

34.98 ± 18.86

0.00–178.00

28.78 ± 17.29

DPF, DPL

Azimuth

0.25–179.75

90.00 ± 14.98

0.00–180.00

89.99 ± 23.65

DPF, DPL

Current velocity [m/s]

− 1.54–1.70

0.22 ± 0.35

− 1.88–2.17

0.21 ± 0.88

DPL, DPF, MSL, MSF, MAL, MAF

Water level [cm]

281.4–899.1

540.9 ± 121.34

257.4–863.0

535.8 ± 107.37

DPL, DPF

Water level diff. [cm]

− 98.91–167.16

-0.045 ± 61.22

− 100.17 − 131.08

− 0.07 ± 53.1

DPL, DPF, (MSF), (MSL), (MAF), (MAL)

Water temperature [°C]

1.60–16.5

7.47 ± 3.05

1.83–16.67

7.75 ± 3.43

DPF, DPL, MSL

Salinity [‰]

0.13–2.76

0.47 ± 0.32

2.30–26.53

18.66 ± 4.59

MSL

Electric Conductivity [µS/cm]

0.17–3.48

0.64 ± 0.45

2.73–32.91

20.57 ± 5.94

(DPL), (MSL)

Turbidity [NTU]

54.4–2357.1

921.8 ± 498.28

51.00–545.17

130.12 ± 74.00

MSF

O2-conc. [mg/l]

1.81–11.21

7.41 ± 1.83

5.80–11.01

7.88 ± 1.11

(DPF), (DPL), (MSL)

Wind speed [m/s]

0.20–17.2

4.24 ± 2.14

0.20–17.2

4.24 ± 2.14

DPF, DPL

Precipitation [mm]

0.00–8.10

0.10 ± 0.37

0–00–9.70

0.11 ± 0.43

DPF, DPL, MSF

Accumulated Precipitation [mm/14 days]

0.00–55.80

15.39 ± 10.55

0.00–90.70

19.22 ± 15.08

MAF

Illuminated Moon fraction

0–1

0.52 ± 0.35

0 -1

0.52 ± 0.35