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Author |
den Outer, P.; Lolkema, D.; Haaima, M.; van der Hoff, R.; Spoelstra, H.; Schmidt, W. |
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Title |
Stability of the Nine Sky Quality Meters in the Dutch Night Sky Brightness Monitoring Network |
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Journal Article |
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Year |
2015 |
Publication |
Sensors |
Abbreviated Journal |
Sensors |
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15 |
Issue |
4 |
Pages |
9466-9480 |
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Instrumentation |
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1424-8220 |
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LoNNe @ christopher.kyba @ |
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1157 |
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Kyba, C.C.M.; Bouroussis, C.; Canal-Domingo, R.; Falchi, F.; Giacomelli, A.; Hänel, A.; Kolláth, Z.; Massetti, L.; Ribas, S.J.; Spoelstra, H.; Tong, K.P.; Wuchterl, G. |
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Title |
Report of the 2015 LoNNe Intercomparison Campaign |
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Journal Article |
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Year |
2015 |
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Keywords |
skyglow; instrumentation |
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LoNNe @ kyba @; IDA @ john @; GFZ @ kyba @ |
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1255 |
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Author |
Blonski, S.; Cao, C. |
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Title |
Suomi NPP VIIRS Reflective Solar Bands Operational Calibration Reprocessing |
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Journal Article |
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Year |
2015 |
Publication |
Remote Sensing |
Abbreviated Journal |
Remote Sensing |
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Volume |
7 |
Issue |
12 |
Pages |
16131-16149 |
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Instrumentation |
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2072-4292 |
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LoNNe @ kyba @ |
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1310 |
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Rabaza, O.; Aznar-Dols, F.; Mercado-Vargas, M.; Espin-Estrella, A. |
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Title |
A new method of measuring and monitoring light pollution in the night sky |
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Journal Article |
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2014 |
Publication |
Lighting Research and Technology |
Abbreviated Journal |
Lighting Research and Technology |
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46 |
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1 |
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5-19 |
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Instrumentation; all-sky; measurement; modeling; monitoring |
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This paper describes a method of measuring and monitoring light pollution in the night sky. This method is capable of instantly quantifying the levels of artificial radiance and monochromatic luminance of the sky glow by means of a system that includes an all-sky camera as well as several interference filters. The calibration is done with an integrating sphere where the measurement pattern used is obtained from the light reflected from the inner wall of the sphere which comes from radiation emitted by a calibration lamp with a known luminous flux. The inner wall of this sphere is a Lambertian surface, which ensures that the light reflected or falling on it is uniformly dispersed in all directions (i.e. the surface luminance is isotropic). |
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Ovidio Rabaza Castillo, E.T.S. de Ingenieros de Caminos, Canales y Puertos, Departamento de Ingenieria Civil, Campus de Fuentenueva, Universidad de Granada, 18071, Granada, Spain E-mail: ovidio(at)ugr.es |
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SAGE |
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English |
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English |
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1477-1535 |
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IDA @ john @ |
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1347 |
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Author |
Qiu, S.; Shao, X.; Cao, C.; Uprety, S. |
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Title |
Feasibility demonstration for calibrating Suomi-National Polar-Orbiting Partnership Visible Infrared Imaging Radiometer Suite day/night band using Dome C and Greenland under moon light |
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Journal Article |
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2016 |
Publication |
Journal of Applied Remote Sensing |
Abbreviated Journal |
J. Appl. Remote Sens |
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10 |
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1 |
Pages |
016024 |
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Keywords |
Remote Sensing; Instrumentation |
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The day/night band (DNB) of the Visible Infrared Imaging Radiometer Suite (VIIRS) onboard Suomi National Polar-orbiting Partnership (Suomi-NPP) represents a major advancement in night time imaging capabilities. DNB covers almost seven orders of magnitude in its dynamic range from full sunlight to half-moon. To achieve this large dynamic range, it uses four charge-coupled device arrays in three gain stages. The low gain stage (LGS) gain is calibrated using the solar diffuser. In operations, the medium and high gain stage values are determined by multiplying the gain ratios between the medium gain stage, and LGS, and high gain stage (HGS) and LGS, respectively. This paper focuses on independently verifying the radiometric accuracy and stability of DNB HGS using DNB observations of ground vicarious calibration sites under lunar illumination at night. Dome C in Antarctica in the southern hemisphere and Greenland in the northern hemisphere are chosen as the vicarious calibration sites. Nadir observations of these high latitude regions by VIIRS are selected during perpetual night season, i.e., from April to August for Dome C and from November to January for Greenland over the years 2012 to 2013. Additional selection criteria, such as lunar phase being more than half-moon and no influence of straylight effects, are also applied in data selection. The lunar spectral irradiance model, as a function of Sun–Earth–Moon distances and lunar phase, is used to determine the top-of-atmosphere reflectance at the vicarious site. The vicariously derived long-term reflectance from DNB observations agrees with the reflectance derived from Hyperion observations. The vicarious trending of DNB radiometric performance using DOME-C and Greenland under moon light shows that the DNB HGS radiometric variability (relative accuracy to lunar irradiance model and Hyperion observation) is within 8%. Residual variability is also discussed. |
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1931-3195 |
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LoNNe @ kyba @ |
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1372 |
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