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Author Qiu, S.; Shao, X.; Cao, C.; Uprety, S. url  doi
openurl 
  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 Type Journal Article
  Year 2016 Publication Journal of Applied Remote Sensing Abbreviated Journal J. Appl. Remote Sens  
  Volume 10 Issue 1 Pages (down) 016024  
  Keywords Remote Sensing; Instrumentation  
  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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  ISSN 1931-3195 ISBN Medium  
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  Notes Approved no  
  Call Number LoNNe @ kyba @ Serial 1372  
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Author Miller, S.D.; Mills, S.P.; Elvidge, C.D.; Lindsey, D.T.; Lee, T.F.; Hawkins, J.D. url  doi
openurl 
  Title Suomi satellite brings to light a unique frontier of nighttime environmental sensing capabilities Type Journal Article
  Year 2012 Publication Proceedings of the National Academy of Sciences of the United States of America Abbreviated Journal Proc Natl Acad Sci U S A  
  Volume 109 Issue 39 Pages (down) 15706-15711  
  Keywords Suomi NPP; satellite; remote sensing; light at night  
  Abstract Most environmental satellite radiometers use solar reflectance information when it is available during the day but must resort at night to emission signals from infrared bands, which offer poor sensitivity to low-level clouds and surface features. A few sensors can take advantage of moonlight, but the inconsistent availability of the lunar source limits measurement utility. Here we show that the Day/Night Band (DNB) low-light visible sensor on the recently launched Suomi National Polar-orbiting Partnership (NPP) satellite has the unique ability to image cloud and surface features by way of reflected airglow, starlight, and zodiacal light illumination. Examples collected during new moon reveal not only meteorological and surface features, but also the direct emission of airglow structures in the mesosphere, including expansive regions of diffuse glow and wave patterns forced by tropospheric convection. The ability to leverage diffuse illumination sources for nocturnal environmental sensing applications extends the advantages of visible-light information to moonless nights.  
  Address Cooperative Institute for Research in the Atmosphere, Colorado State University, Fort Collins, CO 80523, USA. steven.miller@colostate.edu  
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  ISSN 0027-8424 ISBN Medium  
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  Notes PMID:22984179; PMCID:PMC3465370 Approved no  
  Call Number IDA @ john @ Serial 220  
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Author Xu, H.; Yang, H.; Li, X.; Jin, H.; Li, D. url  doi
openurl 
  Title Multi-Scale Measurement of Regional Inequality in Mainland China during 2005-2010 Using DMSP/OLS Night Light Imagery and Population Density Grid Data Type Journal Article
  Year 2015 Publication Sustainability Abbreviated Journal Sustainability  
  Volume 7 Issue 10 Pages (down) 13469-13499  
  Keywords remote sensing  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2071-1050 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number LoNNe @ kyba @ Serial 1280  
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Author Aubrecht, C.; Jaiteh, M.; Sherbinin, A.De.; Longcore, T. openurl 
  Title Monitoring impact of urban settlements on nearby protected areas from space. Type Journal Article
  Year 2010 Publication Geophysical Research Abstracts Abbreviated Journal  
  Volume 12 Issue Pages (down) 12758-12758  
  Keywords Remote Sensing  
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  Notes Approved no  
  Call Number LoNNe @ schroer @ Serial 570  
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Author Davies, T.W.; McKee, D.; Fishwick, J.; Tidau, S.; Smyth, T. url  doi
openurl 
  Title Biologically important artificial light at night on the seafloor Type Journal Article
  Year 2020 Publication Scientific Reports Abbreviated Journal Sci Rep  
  Volume 10 Issue 1 Pages (down) 12545  
  Keywords Ecology; Skyglow; Remote Sensing  
  Abstract Accelerating coastal development is increasing the exposure of marine ecosystems to nighttime light pollution, but is anthropogenic light reaching the seafloor in sufficient quantities to have ecological impacts? Using a combination of mapping, and radiative transfer modelling utilising in situ measurements of optical seawater properties, we quantified artificial light exposure at the sea surface, beneath the sea surface, and at the sea floor of an urbanised temperate estuary bordered by an LED lit city. Up to 76% of the three-dimensional seafloor area was exposed to biologically important light pollution. Exposure to green wavelengths was highest, while exposure to red wavelengths was nominal. We conclude that light pollution from coastal cities is likely having deleterious impacts on seafloor ecosystems which provide vital ecosystem services. A comprehensive understanding of these impacts is urgently needed.  
  Address Plymouth Marine Laboratory, Prospect Place, Devon, Plymouth, PL1 3DH, UK  
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  Series Volume Series Issue Edition  
  ISSN 2045-2322 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:32719492; PMCID:PMC7385152 Approved no  
  Call Number GFZ @ kyba @ Serial 3071  
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