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Vertical Variability of Night Sky Brightness in Urbanised Areas

Dominika Karpińska

Dominika Karpińska

Department of Geomatics and Cartography, Faculty of Earth Sciences and Spatial Management, Nicolaus Copernicus UniversityToruń, Poland
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Karpińska, Dominika
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Mieczysław Kunz

Mieczysław Kunz

Department of Geomatics and Cartography, Faculty of Earth Sciences and Spatial Management, Nicolaus Copernicus UniversityToruń, Poland
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Kunz, Mieczysław
  
01 paź 2022
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Data publikacji: 01 paź 2022
Zakres stron: 5 - 14
Otrzymano: 27 cze 2022
DOI: https://doi.org/10.14746/quageo-2023-0001
Słowa kluczowe
© 2023 Dominika Karpińska et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

DJI Matrice 210 RTK drone with its proprietary measuring device (photo D.Karpińska).
DJI Matrice 210 RTK drone with its proprietary measuring device (photo D.Karpińska).

Fig. 2

Schematic representation of the altitudes selected for the acquisition of data on light pollution of the night sky.
Schematic representation of the altitudes selected for the acquisition of data on light pollution of the night sky.

Fig. 3

Daytime (bottom) and nighttime (top) 360° panorama around the measurement location at the NCU campus (photo M.Kunz).
Daytime (bottom) and nighttime (top) 360° panorama around the measurement location at the NCU campus (photo M.Kunz).

Fig. 4

Daytime (bottom) and nighttime (top) 360° panorama around the measurement location at the car park at Bema Street (photo D.Karpińska).
Daytime (bottom) and nighttime (top) 360° panorama around the measurement location at the car park at Bema Street (photo D.Karpińska).

Fig. 5

Visualisation of land cover/land use at measurement locations in three buffer zones (25 m, 50 m and 100 m).
Visualisation of land cover/land use at measurement locations in three buffer zones (25 m, 50 m and 100 m).

Fig. 6

Summary of the obtained results illustrating the variability of the night sky brightness in the vertical gradient at the measuring site located in Toruń: (a) at the NCU car park, (b) at the car park in Bema Street.
Summary of the obtained results illustrating the variability of the night sky brightness in the vertical gradient at the measuring site located in Toruń: (a) at the NCU car park, (b) at the car park in Bema Street.

Fig. 7

Comparison of the obtained results showing variability of the night sky brightness in the vertical gradient at both measurement locations during: (a) cloudless night, (b) night with varied cloud cover.
Comparison of the obtained results showing variability of the night sky brightness in the vertical gradient at both measurement locations during: (a) cloudless night, (b) night with varied cloud cover.

Selected technical parameters of the measuring device_

Parameter Characteristic
weight 380 g
dimension 5,5 × 8,2 × 15,8 cm
standard of data transmission LoRaWAN
frequency bands 868 MHz
operating time [3 000 mAh] ∼ 12 month
range in built-up areas 3–4 km
number of measurements during the day 36
frequency of measurements 15 min
operational time 21:00–06:00 CEST
measuring sensors surface brightness of the sky, temperature, humidity
the angle of data collection 20°
tightness class IP65
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Nauki o Ziemi, Geografia
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