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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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Year |
2016 |
Publication |
Journal of Applied Remote Sensing |
Abbreviated Journal |
J. Appl. Remote Sens |
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Volume |
10 |
Issue |
1 |
Pages  |
016024 |
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Keywords |
Remote Sensing; Instrumentation |
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Abstract |
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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Author |
Nurbandi, W.; Yusuf, F.R.; Prasetya, R.; Afrizal, M.D. |
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Title |
Using Visible Infrared Imaging Radiometer Suite (VIIRS) Imagery to identify and analyze light pollution |
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Journal Article |
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Year |
2016 |
Publication |
IOP Conference Series: Earth and Environmental Science |
Abbreviated Journal |
IOP Conf. Ser.: Earth Environ. Sci. |
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Volume |
47 |
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012040 |
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Keywords |
Remote Sensing; Indonesia; VIIRS; VIIRS-DNB; ground validation; Yogyakarta |
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Light pollution is any adverse effect of artificial lighting including sky glow, glare, light trespass, light clutter, decreased visibility at night, and energy waste. Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object. Remote sensing can be used for identification of light pollution. The purpose of this study is to identify and analyze the light pollution by using remote sensing imagery. This study uses VIIRS DNB Free Cloud Composites imagery to identify light pollution in Yogyakarta province and surrounding areas. VIIRS imagery which obtained is processed to get information of light pollution by classifying the information into several classes presented in a map. Selected few sample points as test sites to determine the actual condition. Field work conducted at theree location, they are Yogyakarta City, Depok Beach, and Gajah Mungkur reservoir. Night sky condition analysis conducted field tests as well as night time shooting the night sky conditions. Analysis of the night sky conditions are calculated qualitatively using Bortle Dark-Sky Scale with a value range of 1-9. Field test results show that Yogyakarta City has a value of 8, Depok has a value of 3, and Gajah Mungkur Reservoir has a value of 4. The conclusion of study is VIIRS imagery can be used for identification light pollution and calculation analysis of light pollution can use Bortle Dark-Sky Scale. |
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Faculty of Geography, Universitas Gadjah Mada, Yogyakarta, Indonesia; wahyunurbandi.ipa130 (at) gmail.com |
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English |
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1755-1307 |
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IDA @ john @ |
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1652 |
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Ratnasari, N.; Candra, E.D.; Saputra, D.H.; Perdana, A.P. |
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Urban Spatial Pattern and Interaction based on Analysis of Nighttime Remote Sensing Data and Geo-social Media Information |
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Journal Article |
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2016 |
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IOP Conference Series: Earth and Environmental Science |
Abbreviated Journal |
IOP Conf. Ser.: Earth Environ. Sci. |
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47 |
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012038 |
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Keywords |
remote sensing; geo-social media; spatial pattern; spatial interaction; urban; Indonesia |
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Urban development in Indonesia significantly increasing in line with rapid development of infrastructure, utility, and transportation network. Recently, people live depend on lights at night and social media and these two aspects can depicted urban spatial pattern and interaction. This research used nighttime remote sensing data with the VIIRS (Visible Infrared Imaging Radiometer Suite) day-night band detects lights, gas flares, auroras, and wildfires. Geo-social media information derived from twitter data gave big picture on spatial interaction from the geospatial footprint. Combined both data produced comprehensive urban spatial pattern and interaction in general for Indonesian territory. The result is shown as a preliminary study of integrating nighttime remote sensing data and geospatial footprint from twitter data. |
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Undergraduate Program of Cartography and Remote Sensing, Department of Geographic Information Science, Faculty of Geography, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia; nila.ratnasari(at)mail.ugm.ac.id |
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IOP |
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English |
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1755-1307 |
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IDA @ john @ |
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1653 |
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Author |
Vozzi, C.; Ramponi, R. |
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Title |
2015 International Year of Light and beyond |
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Magazine Article |
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2016 |
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Journal of Optics |
Abbreviated Journal |
J. Opt. |
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18 |
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1 |
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010201 |
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Commentary; International Year of Light; IYL; IYL2015; society |
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The 2015 International Year of Light and Light-based Technologies (IYL) is now approaching its end. It has been a year full of excitement worldwide, involving people of all ages in an incredible number of different activities |
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Institute for Photonics and Nanotechnologies (IFN-CNR) Piazza Leonardo da Vinci 32, I-20133 Milan, Italy |
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IOP |
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English |
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English |
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2040-8978 |
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IDA @ john @ |
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1428 |
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Wakefield, A.; Broyles, M.; Stone, E.L.; Jones, G.; Harris, S. |
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Title |
Experimentally comparing the attractiveness of domestic lights to insects: Do LEDs attract fewer insects than conventional light types? |
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Journal Article |
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Year |
2016 |
Publication |
Ecology and Evolution |
Abbreviated Journal |
Ecol Evol |
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Volume |
6 |
Issue |
22 |
Pages |
8028-8036 |
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ecology; Lighting |
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LED lighting is predicted to constitute 70% of the outdoor and residential lighting markets by 2020. While the use of LEDs promotes energy and cost savings relative to traditional lighting technologies, little is known about the effects these broad-spectrum “white†lights will have on wildlife, human health, animal welfare, and disease transmission. We conducted field experiments to compare the relative attractiveness of four commercially available “domestic†lights, one traditional (tungsten filament) and three modern (compact fluorescent, “cool-white†LED and “warm-white†LED), to aerial insects, particularly Diptera. We found that LEDs attracted significantly fewer insects than other light sources, but found no significant difference in attraction between the “cool-†and “warm-white†LEDs. Fewer flies were attracted to LEDs than alternate light sources, including fewer Culicoides midges (Diptera: Ceratopogonidae). Use of LEDs has the potential to mitigate disturbances to wildlife and occurrences of insect-borne diseases relative to competing lighting technologies. However, we discuss the risks associated with broad-spectrum lighting and net increases in lighting resulting from reduced costs of LED technology. |
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2045-7758 |
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LoNNe @ kyba @ |
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1541 |
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