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SPATIAL DIFFERENTIATION OF GLOBAL SOLAR RADIATION IN TORUŃ AND ITS SUBURBAN AREA (CENTRAL POLAND) IN 2012

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dc.contributor.author Kejna, Marek
dc.contributor.author Uscka-Kowalkowska, Joanna
dc.contributor.author Araźny, Andrzej
dc.contributor.author Kunz, Mieczysław
dc.contributor.author Maszewski, Rafał
dc.contributor.author Przybylak, Rajmund
dc.date.accessioned 2015-04-10T07:52:28Z
dc.date.available 2015-04-10T07:52:28Z
dc.date.issued 2015-03-16
dc.identifier.citation Bulletin of Geography. Physical Geography Series, No. 7, pp. 27-56
dc.identifier.issn 2080-7686
dc.identifier.other doi:10.2478/bgeo-2014-0002
dc.identifier.uri http://repozytorium.umk.pl/handle/item/2687
dc.description.abstract This article investigates the spatial distribution of global solar radiation (K↓) in Toruń and its suburbs, observed in 2012. Measurements were taken at 12 points (7 within the city and 5 in the suburban area) using CNR4 net radiometers and automatic weather stations (Vantage Pro+). At all locations, the diurnal and annual courses of K↓ were typically related to the Earth’s rotational movement and changes in the sun’s declination over the year, and disturbed by clouds and atmospheric phenomena that enhance the extinction of solar radiation. A substantial spatial diversity of K↓ was observed in Toruń and its suburbs. The annual sum of K↓ at several urban locations accounted for over 70% of the solar radiation in the open space outside the city. The amount of incoming solar radiation in the urban area was more restricted in winter (<50%) than in summer (approx. 70%). The diurnal courses of K↓ were heavily disturbed by local obstacles which cast shadows (causing a considerable decrease of K↓), but there were instances of increases in K↓ (122%) augmented by radiation reflected from roofs, walls and windows surrounding the measurement point. The spatial diversity of K↓ in the urban area is heterogeneous, due to local meteorological conditions (cloudiness, fog, smog and airborne dust) and the obscuring of the horizon.
dc.language.iso eng
dc.rights Attribution-NoDerivs 3.0 Poland
dc.rights info:eu-repo/semantics/openAccess
dc.rights.uri http://creativecommons.org/licenses/by-nd/3.0/pl/
dc.subject global solar radiation
dc.subject urban climate
dc.subject Toruń
dc.subject Poland
dc.title SPATIAL DIFFERENTIATION OF GLOBAL SOLAR RADIATION IN TORUŃ AND ITS SUBURBAN AREA (CENTRAL POLAND) IN 2012
dc.type info:eu-repo/semantics/article


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