Diurnal evolution of urban tree temperature at a city scale

Abstract Despite the importance of urban trees’ surface temperature in assessing micro-climate interactions between trees and the surrounding environment, their diurnal evolution has been largely understudied at a city-wide scale due to a lack of effective thermal observations. By downscaling ECOSTR...

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Autores principales:	Thuy Trang Vo, Leiqiu Hu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ca797fce27394a8cad7d2f67b0ae23b6
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spelling	oai:doaj.org-article:ca797fce27394a8cad7d2f67b0ae23b62021-12-02T15:53:10ZDiurnal evolution of urban tree temperature at a city scale10.1038/s41598-021-89972-02045-2322https://doaj.org/article/ca797fce27394a8cad7d2f67b0ae23b62021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89972-0https://doaj.org/toc/2045-2322Abstract Despite the importance of urban trees’ surface temperature in assessing micro-climate interactions between trees and the surrounding environment, their diurnal evolution has been largely understudied at a city-wide scale due to a lack of effective thermal observations. By downscaling ECOSTRESS land surface temperature imaginary over New York City, we provide the first diurnal analysis of city-scale canopy temperature. Research reveals a remarkable spatial variation of the canopy temperature during daytime up to 5.6 K (standard deviation, STD), while the nighttime STD remains low at 1.7 K. Further, our analysis shows that the greenspace coverage and distance to bluespaces play an important role in cooling the local canopy during daytime, explaining 25.0–41.1% of daytime spatial variation of canopy temperatures while surrounding buildings modulate canopy temperature asymmetrically diurnally: reduced daytime warming and reduced nocturnal cooling. Built on space-borne observations and a flexible yet robust statistical method, our research design can be easily transferable to explore urban trees’ response to local climate across cities, highlighting the potentials of advancing the science and technologies for urban forest management.Thuy Trang VoLeiqiu HuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Thuy Trang Vo Leiqiu Hu Diurnal evolution of urban tree temperature at a city scale
description	Abstract Despite the importance of urban trees’ surface temperature in assessing micro-climate interactions between trees and the surrounding environment, their diurnal evolution has been largely understudied at a city-wide scale due to a lack of effective thermal observations. By downscaling ECOSTRESS land surface temperature imaginary over New York City, we provide the first diurnal analysis of city-scale canopy temperature. Research reveals a remarkable spatial variation of the canopy temperature during daytime up to 5.6 K (standard deviation, STD), while the nighttime STD remains low at 1.7 K. Further, our analysis shows that the greenspace coverage and distance to bluespaces play an important role in cooling the local canopy during daytime, explaining 25.0–41.1% of daytime spatial variation of canopy temperatures while surrounding buildings modulate canopy temperature asymmetrically diurnally: reduced daytime warming and reduced nocturnal cooling. Built on space-borne observations and a flexible yet robust statistical method, our research design can be easily transferable to explore urban trees’ response to local climate across cities, highlighting the potentials of advancing the science and technologies for urban forest management.
format	article
author	Thuy Trang Vo Leiqiu Hu
author_facet	Thuy Trang Vo Leiqiu Hu
author_sort	Thuy Trang Vo
title	Diurnal evolution of urban tree temperature at a city scale
title_short	Diurnal evolution of urban tree temperature at a city scale
title_full	Diurnal evolution of urban tree temperature at a city scale
title_fullStr	Diurnal evolution of urban tree temperature at a city scale
title_full_unstemmed	Diurnal evolution of urban tree temperature at a city scale
title_sort	diurnal evolution of urban tree temperature at a city scale
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/ca797fce27394a8cad7d2f67b0ae23b6
work_keys_str_mv	AT thuytrangvo diurnalevolutionofurbantreetemperatureatacityscale AT leiqiuhu diurnalevolutionofurbantreetemperatureatacityscale
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Diurnal evolution of urban tree temperature at a city scale

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