How Do Different Land Uses/Covers Contribute to Land Surface Temperature and Albedo?

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Varamesh, SaeidDepartment of Natural Resources, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil 5619911367, Iran (författare)

How Do Different Land Uses/Covers Contribute to Land Surface Temperature and Albedo?

Artikel/kapitelEngelska2022

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2022-12-17
MDPI,2022
electronicrdacarrier

Nummerbeteckningar

LIBRIS-ID:oai:DiVA.org:ltu-94906
https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-94906URI
https://doi.org/10.3390/su142416963DOI

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Språk:engelska
Sammanfattning på:engelska

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Validerad;2023;Nivå 2;2023-01-01 (joosat);Licens full text: CC BY license
Land surface temperature (LST) and land surface albedo (LSA) are the two key regional and global climate-controlling parameters; assessing their behavior would likely result in a better understanding of the appropriate adaptation strategies to mitigate the consequences of climate change. This study was conducted to explore the spatiotemporal variability in LST and LSA across different land use/cover (LULC) classes in northwest Iran. To do so, we first applied an object-oriented algorithm to the 10 m resolution Sentinel-2 images of summer 2019 to generate a LULC map of a 3284 km2 region in northwest Iran. Then, we computed the LST and LSA of each LULC class using the SEBAL algorithm, which was applied to the Landsat-8 images from the summer of 2019 and winter of 2020. The results showed that during the summer season, the maximum and minimum LSA values were associated with barren land (0.33) and water bodies (0.11), respectively; during the winter season, the maximum LSA value was observed for farmland and snow cover, and the minimum value was observed in forest areas (0.21). The maximum and minimum LST values in summer were acquired from rangeland (37 °C) and water bodies (24 °C), respectively; the maximum and minimum values of winter values were detected in forests (4.14 °C) and snow cover (−21.36 °C), respectively. Our results revealed that barren land and residential areas, having the maximum LSA in summer, were able to reduce the heating effects to some extent. Forest areas, due to their low LSA and high LST, particularly in winter, had a greater effect on regional warming compared with other LULC classes. Our study suggests that forests might not always mitigate the effects of global warming as much as we expect.

Ämnesord och genrebeteckningar

NATURVETENSKAP Geovetenskap och miljövetenskap Klimatforskning hsv//swe
NATURAL SCIENCES Earth and Related Environmental Sciences Climate Research hsv//eng
LANTBRUKSVETENSKAPER Annan lantbruksvetenskap Miljö- och naturvårdsvetenskap hsv//swe
AGRICULTURAL SCIENCES Other Agricultural Sciences Environmental Sciences related to Agriculture and Land-use hsv//eng
albedo
climate change
Iran
land surface temperature
global warming
Soil Mechanics
Geoteknik

Biuppslag (personer, institutioner, konferenser, titlar ...)

Mohtaram Anbaran, SohrabDepartment of Natural Resources, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil 5619911367, Iran (författare)
Shirmohammadi, BagherDepartment of Reclamation of Arid and Mountainous Regions, University of Tehran, Tehran 3158777871, Iran (författare)
Al-Ansari, Nadhir,1947-Luleå tekniska universitet,Geoteknologi(Swepub:ltu)nadhir (författare)
Shabani, SaeidResearch Department of Natural Resources, Golestan Agricultural and Natural Resources Research and Education Center, AREEO, Gorgan 4915677555, Iran (författare)
Jaafari, AbolfazlResearch Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran 1496813111, Iran (författare)
Department of Natural Resources, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil 5619911367, IranDepartment of Reclamation of Arid and Mountainous Regions, University of Tehran, Tehran 3158777871, Iran (creator_code:org_t)

Sammanhörande titlar

Ingår i:Sustainability: MDPI14:242071-1050

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