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Trends in LST over ...
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Khorchani, M.
(författare)
Trends in LST over the peninsular Spain as derived from the AVHRR imagery data
- Artikel/kapitelEngelska2018
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LIBRIS-ID:oai:gup.ub.gu.se/268866
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https://gup.ub.gu.se/publication/268866URI
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https://doi.org/10.1016/j.gloplacha.2018.04.006DOI
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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This study analyzes the spatio-temporal variability and trends of land surface temperature (LST) over peninsular Spain, considering all the available historical satellite imagery data from the NOAA-AVHRR product from July 1981 to June 2015 and explores whether changes in LST are related to the observed changes in air temperature, solar radiation and land cover. We found that LST showed a significant increase between 1982 and 2014, with an average increase on the order of 0.71 °C decade−1, being stronger during summertime (1.53 °C decade−1). The results also indicate a strong spatial coherence between LST and NDVI changes. The areas that experienced an increase in the LST were spatially consistent with those areas with no changes or even a dominant decrease in vegetation coverage. In addition, the strong increase of LST is coherent with observations of the recent radiative forcing affecting Spain, particularly during summertime. The confidence of the obtained LST trends during summer is also reinforced by the spatial differences recorded in trends, in addition to the differences found between land cover types. Specifically, the magnitude of this increase was much higher in the dryland non-permanent agricultural areas, which are usually harvested during summer, when soil is dominantly nude. In contrast, in well-developed forests, the magnitude of LST was much lower. Our results on the observed LST trends and their spatial patterns can contribute to better understanding of the recent eco-hydrological processes in peninsular Spain. © 2018 Elsevier B.V.
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Vicente-Serrano, S. M.
(författare)
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Azorin-Molina, CesarGothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences(Swepub:gu)xazoce
(författare)
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Garcia, M.
(författare)
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Martin-Hernandez, N.
(författare)
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Peña-Gallardo, M.
(författare)
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El Kenawy, A.
(författare)
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Domínguez-Castro, F.
(författare)
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Göteborgs universitetInstitutionen för geovetenskaper
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Global and Planetary Change: Elsevier BV166, s. 75-930921-8181
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