Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Henk Spoelstra"'
Autor:
Andreas Jechow, Zoltán Kolláth, Salvador J. Ribas, Henk Spoelstra, Franz Hölker, Christopher C. M. Kyba
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
Abstract Artificial skyglow is constantly growing on a global scale, with potential ecological consequences ranging up to affecting biodiversity. To understand these consequences, worldwide mapping of skyglow for all weather conditions is urgently re
Externí odkaz:
https://doaj.org/article/2201c26c80004d9ab5aa545dd44063d8
Autor:
Peter den Outer, Dorien Lolkema, Marty Haaima, Rene van der Hoff, Henk Spoelstra, Wim Schmidt
Publikováno v:
Sensors, Vol 15, Iss 4, Pp 9466-9480 (2015)
In the context of monitoring abundance of artificial light at night, the year-to-year stability of Sky Quality Meters (SQMs) is investigated by analysing intercalibrations derived from two measurement campaigns that were held in 2011 and 2012. An int
Externí odkaz:
https://doaj.org/article/d5cd4191429e481ebbc7cdbe5dfd9aca
Autor:
Henk Spoelstra, Wim Schmidt, Rene van der Hoff, Marty Haaima, Peter den Outer, Dorien Lolkema
Publikováno v:
Sensors, Vol 11, Iss 10, Pp 9603-9612 (2011)
Nine Sky Quality Meters (SQMs) have been intercompared during a night time measurement campaign held in the Netherlands in April 2011. Since then the nine SQMs have been distributed across the Netherlands and form the Dutch network for monitoring nig
Externí odkaz:
https://doaj.org/article/0fc279326a874b8b8e94b8a2190f7ce6
Autor:
Martin Aubé, Andreas Jechow, Chadwick A. Moore, Günther Wuchterl, Salvador J. Ribas, Thomas Posch, Norbert Schmidt, Andreas Hänel, Christopher C. M. Kyba, Dorien E. Lolkema, Dan M. Duriscoe, Henk Spoelstra, Zoltán Kolláth
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer
Measuring the brightness of the night sky has become an increasingly important topic in recent years, as artificial lights and their scattering by the Earths atmosphere continue spreading around the globe. Several instruments and techniques have been
Autor:
Wim Schmidt, Henk Spoelstra, Peter N. den Outer, Dorien E. Lolkema, Marty Haaima, Rene van der Hoff
Publikováno v:
Sensors, Vol 15, Iss 4, Pp 9466-9480 (2015)
Sensors (Basel, Switzerland)
Sensors
Volume 15
Issue 4
Pages 9466-9480
Sensors (Basel, Switzerland)
Sensors
Volume 15
Issue 4
Pages 9466-9480
In the context of monitoring abundance of artificial light at night, the year-to-year stability of Sky Quality Meters (SQMs) is investigated by analysing intercalibrations derived from two measurement campaigns that were held in 2011 and 2012. An int
Autor:
Henk Spoelstra
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 139:82-89
The introduction of LED lighting in the outdoor environment may increase the amount of blue light in the night sky color spectrum. This can cause more light pollution due to Rayleigh scattering of the shorter wavelengths. Blue light may also have an
Autor:
Nobuaki Ochi, Kai Pong Tong, Fabio Falchi, Ignacio Birriel, Marty Haaima, R. Schwarz, Mark Trueblood, Will Edwards, Henk Spoelstra, Jürgen Fischer, Matthew Nagy, Jonathan Bennie, Rainer Ehlert, Phil Langill, Andrew Cool, Douglas L. Welch, M. Nievas, Arne Danielsen, Wim Schmidt, Thomas W. Davies, John Kuehn, Helga U. Kuechly, Franz Hölker, Francesco Giubbilini, Richard Inger, Dorien E. Lolkema, Constance E. Walker, Marc Weber, Johannes Puschnig, Axel Schwope, Emil Popow, Claudia Hesse, Thomas Ruhtz, Jennifer J. Birriel, Andrea Giacomelli, Kevin J. Gaston, Christopher C. M. Kyba, Linsey J. Jensen, Thomas Posch, Georg Heygster, Peter N. den Outer, Jaime Zamorano, Anthony Tekatch
Publikováno v:
Scientific Reports. 5
Despite constituting a widespread and significant environmental change, understanding of artificial nighttime skyglow is extremely limited. Until now, published monitoring studies have been local or regional in scope, and typically of short duration.
Autor:
Andrew Cool, Linsey J. Jensen, Kevin J. Gaston, Will Edwards, Robert Schwarz, John Kuehn, Jaime Zamorano, Rainer Ehlert, M. Nievas, Michael Weber, Thomas W. Davies, Andrea Giacomelli, Mark Trueblood, Phil Langill, Francesco Giubbilini, Johannes Puschnig, Jürgen Fischer, Jennifer J. Birriel, Kai Pong Tong, Douglas L. Welch, Georg Heygster, Arne Danielsen, Matthew Nagy, Ignacio Birriel, Peter N. den Outer, Thomas Posch, Constance E. Walker, Franz Hölker, Dorien E. Lolkema, Emil Popow, Christopher C. M. Kyba, Wim Schmidt, Nobuaki Ochi, Helga U. Kuechly, Fabio Falchi, Anthony Tekatch, Marty Haaima, Thomas Ruhtz, Claudia Hesse, Jonathan Bennie, Axel Schwope, Henk Spoelstra, Richard Inger
Publikováno v:
Scientific Reports
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid
E-Prints Complutense. Archivo Institucional de la UCM
instname
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid
E-Prints Complutense. Archivo Institucional de la UCM
instname
Despite constituting a widespread and significant environmental change, understanding of artificial nighttime skyglow is extremely limited. Until now, published monitoring studies have been local or regional in scope and typically of short duration.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::366878d1f765a0b7f375f529d3ea933a
https://gfzpublic.gfz-potsdam.de/pubman/item/item_887892
https://gfzpublic.gfz-potsdam.de/pubman/item/item_887892
Autor:
Henk Spoelstra, Harry ten Brink
Publikováno v:
Scopus-Elsevier
The dark decay of nitrous acid gas (HONO), added to filtered outside air in a glass/pyrex smog chamber, was studied. For the concentrations used in the study, in the range of 1–10 ppmv, a decay with a half-life value of hours was found. Since the d
Publikováno v:
Management of Natural Resources, Sustainable Development and Ecological Hazards III.
Although the need for artificial light in populated areas is beyond question, there are also adverse effects of night lighting on flora and fauna as well as on humans. The actual effect however, can only be known with information about the exposure o