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Diurnal evolution of urban tree temperature at a city scale

Thuy Trang Vo, Leiqiu Hu
2021 Scientific Reports  
AbstractDespite 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  ...  By downscaling ECOSTRESS land surface temperature imaginary over New York City, we provide the first diurnal analysis of city-scale canopy temperature.  ...  Acknowledgements The research is partially funded under the NASA IDS project (80NSSC20K1263) and NASA HAQAST (80NSSC21K0430).  ... 
doi:10.1038/s41598-021-89972-0 pmid:34006981 fatcat:av7hlpuovndwbow4yeveh4vy34

Urban climate modifications in hot desert cities: The role of land cover, local climate, and seasonality

Michele Lazzarini, Annalisa Molini, Prashanth R. Marpu, Taha B. M. J. Ouarda, Hosni Ghedira
2015 Geophysical Research Letters  
We explore here the relationship between land cover and temperature regime in hot desert cities (HDCs) based on estimates of land surface temperature, normalized difference vegetation index, and impervious  ...  In contrast, the understanding of how urbanization relates to climate in hot, hyperarid environments is still extremely limited, despite the growing socioeconomic relevance of arid lands and their fast  ...  Also, the role of different irrigation strategies, as well as the link with desalination and its potential long-term impacts, needs to be addressed. Acknowledgments  ... 
doi:10.1002/2015gl066534 fatcat:azb6p724yvdh3m7ulohgbyqmru

Time Evolution of the Surface Urban Heat Island

I.D. Stewart, E.S. Krayenhoff, J.A. Voogt, J.A. Lachapelle, M.A. Allen, A.M. Broadbent
2021 Earth's Future  
These early insights into the fine-scale sequencing of urban-rural air temperature differences commenced a generation of work on the time evolution of atmospheric heat islands in cities worldwide.  ...  The UHI is a local-scale atmospheric-warming effect associated with urban areas, whose near-surface air temperatures are higher, on average, than those of the surrounding countryside.  ...  Alberto Martilli assisted with the setup of the idealized WRF-BEP simulations, and implemented the 2-D urban T sfc calculations in WRF-BEP.  ... 
doi:10.1029/2021ef002178 fatcat:k6oziia3f5f2xpnblou22rb5se

Responses of Heat Stress to Temperature and Humidity Changes Due to Anthropogenic Heating and Urban Expansion in South and North China

Shuai Yang, Shuwen Li, Bin Chen, Zeming Xie, Jing Peng
2021 Frontiers in Earth Science  
The results of this study serve for effective urban planning and future decision making.  ...  Above that city size, the HS intensity change due to urban expansion tends to slow down in the north and inhibit in the south, and about one-third of the urban regions might be hit by extreme heat stress  ...  FUNDING The authors were supported by the National Natural Science Foundation of China (Grant Nos. 41875079  ... 
doi:10.3389/feart.2021.673943 fatcat:ftnbawapwbecxgx4deqi2uag5e

Bowen Ratio In Western São Paulo State, Brazil

Elaine C. Barboza, Antonio J. Machado
2015 Zenodo  
The results indicate that the Bowen ratio is modulated by the radiation balance at the surface and by different clusters of vegetation.  ...  This paper discusses micrometeorological aspects of the urban climate in three cities in Western São Paulo State: Presidente Prudente, Assis and Iepê.  ...  ACKNOWLEDGMENTS The authors would like to thank the State of São Paulo Research Foundation (FAPESP) for providing financial support (refs. 12/06307-8 and 11/08520-8) and the anonymous reviewers for their  ... 
doi:10.5281/zenodo.1109143 fatcat:wv625l45brdupebxfadwazgwna

Spatial and Temporal Variability Patterns of the Urban Heat Island in São Paulo

Fernanda Silva, Karla Longo, Felipe de Andrade
2017 Environments  
Nonetheless, the spatial and temporal patterns of urban temperatures and UHIs are not well understood for the largest metropolitan area of South America.  ...  Specifically, we chose to investigate the diurnal, seasonal and interannual patterns, with a focus on the dominant modes of variability in air temperature anomaly data, to determine the characteristic  ...  Acknowledgments: The authors would like to thank the National Council of Technological and Scientific Development (CNPq) for the financial support for this research.  ... 
doi:10.3390/environments4020027 fatcat:674j6jmwrnhptc4uex6dmtbzfm

Satellite Images and Gaussian Parameterization for an Extensive Analysis of Urban Heat Islands in Thailand

Chaiyapon Keeratikasikorn, Stefania Bonafoni
2018 Remote Sensing  
Orientation angle and central location of the fitted surface also provide information on the SUHI layout in relation to the land use of the urban texture.  ...  For the first time, an extensive study of the surface urban heat island (SUHI) in Thailand's six major cities is reported, using 728 MODIS (MODerate Resolution Imaging Spectroradiometer) images for each  ...  Acknowledgments: We wish to thank Roberta Anniballe for the Gaussian fit tool development. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs10050665 fatcat:gt32h237ujat5pa5i7xpjkzipm

Contribution of Spatial Heterogeneity and Temporal-Spatial Change of Ecosystems to the Thermal Environment of Tourist Destinations: A Case Study of Sichuan-Chongqing Region, China

Dechao Chen, Xinliang Xu, Huailong Jiang, Zongyao Sun, Luo Liu, Zhi Qiao
2020 Advances in Meteorology  
Using the 2005–2015 moderate resolution imaging spectroradiometer (MODIS) data on the land surface temperature combined with the land use data, the urban thermal environment contribution index (CI) of  ...  Based on the diurnal differences of the contribution indices, cities can be divided into three types: the day-night heat source type, the day-sink and night-source type, and the day-night heat sink type  ...  As a result, they revealed in-depth information regarding the spatial and temporal patterns, evolution process, and formation mechanism of the urban thermal environment [18] [19] [20] [21] .  ... 
doi:10.1155/2020/6798958 fatcat:4sncz4mqwnfnzdpy2nwjllicem

Subgrid-Scale Variability for Thermodynamic Variables in an Offline Land Surface Prediction System

Mélanie C. Rochoux, Stéphane Bélair, Maria Abrahamowicz, Pierre Pellerin
2016 Journal of Hydrometeorology  
The model bias and the distributions characterizing the subgrid-scale variability drastically depend on the geographic areas as well as on the diurnal cycle.  ...  These results show the benefits of high-resolution land surface simulations to account for length scales that are more consistent with the scales at which the actual land surface balance is affected by  ...  the surface and the atmosphere'' is greatly appreciated.  ... 
doi:10.1175/jhm-d-15-0016.1 fatcat:xgqj6xf7inbktkg4vnug7mr73e

Assessing summertime urban air conditioning consumption in a semiarid environment

F Salamanca, M Georgescu, A Mahalov, M Moustaoui, M Wang, B M Svoma
2013 Environmental Research Letters  
Acknowledgments We gratefully acknowledge the Salt River Project's Forecasting, Research and Economic department for providing electric consumption hourly loads and especially James Walter of the Water  ...  This work has been funded by National Science Foundation grants ATM-0934592, DMS-0940314 and the Center for Integrated Solutions to Climate Challenges at Arizona State University.  ...  Results and discussion Evaluation of diurnal cycle of near-surface meteorology The daily evolution of near-surface temperature, including maximum and minimum temperatures, was reasonably simulated for  ... 
doi:10.1088/1748-9326/8/3/034022 fatcat:d4nxnoziuzfm3bzdqsk5e5tvnu

Investigation of Urban Air Temperature and Humidity Patterns during Extreme Heat Conditions Using Satellite-Derived Data

Leiqiu Hu, Andrew J. Monaghan, Nathaniel A. Brunsell
2015 Journal of Applied Meteorology and Climatology  
The UHIC shows the relationship between air temperature (and dewpoint temperature) and urban land-use fraction.  ...  This study investigates the ability of a new MODIS-retrieved near-surface air temperature and humidity dataset to depict urban heat patterns over metropolitan Chicago, Illinois, during June-August 2003  ...  Department of Agriculture, and the National Oceanic and Atmospheric Administration.  ... 
doi:10.1175/jamc-d-15-0051.1 fatcat:yk4w25zs4rfz3c53fndav6ntve

Assessment of the Paris urban heat island in ERA5 and offline SURFEX-TEB (v8.1) simulations using the METEOSAT land surface temperature product

Miguel Nogueira, Alexandra Hurduc, Sofia Ermida, Daniela C. A. Lima, Pedro M. M. Soares, Frederico Johannsen, Emanuel Dutra
2022 Geoscientific Model Development  
Both simulations and ERA5 were compared to the LSA SAF (Satellite Application Facility on Land Surface Analysis) land surface temperature product to evaluate the simulation of Parisian surface urban heat  ...  Subsequently, we apply a more complex urban scheme – SURFEX coupled to the Town Energy Balance (TEB) urban canopy model to assess its benefits on characterizing the Paris urban climate.  ...  The authors acknowledge the financial support of the Portuguese Fundação para a Ciência e a Tecnologia (FCT) I.P./MCTES through national funds (PIDDAC) -UIBD/50019/2020-IDL.  ... 
doi:10.5194/gmd-15-5949-2022 fatcat:fsnidtpwgveejeqh3px3mn55ui

Heat Waves and Human Well-Being in Madrid (Spain)

Domingo Rasilla, Fernando Allende, Alberto Martilli, Felipe Fernández
2019 Atmosphere  
Two types of UHI were studied: the canopy layer UHI (CLUHI) was evaluated using air temperature time-series from five meteorological stations; the surface UHI (SUHI) was derived from land surface temperature  ...  More frequent and longer heat waves have been observed since 1980; the nocturnal CLUHI and both the diurnal and nocturnal SUHI experience an intensification, which have led to an increasing number of tropical  ...  Acknowledgments: We acknowledge AeMet (Spanish Meteorological Agency) for the cession of meterological data, Ayuntamiento de Madrid y Comunidad Autónoma de Madrid for the air pollution data, and NASA for  ... 
doi:10.3390/atmos10050288 fatcat:k6d5hf4c6zdudddt6ygoq7jelq

Urban-breeze circulation during the CAPITOUL experiment: observational data analysis approach

J. Hidalgo, G. Pigeon, V. Masson
2008 Meteorology and atmospheric physics (Print)  
Acknowledgements This research was performed with a PhD grant co-founded by the French National Centre of Meteorological Research and the FAO9 team of the University of Vigo in Spain (Education and Science  ...  We are also grateful to Sue Grimmond and two anonymous reviewers who offered a critical review that significantly enhanced our appreciation of the problem treated here.  ...  The different responses of the land surface and the urbanized surface to the diurnal cycle create the Urban Heat Island (UHI), which is the source of the urban-breeze circulation.  ... 
doi:10.1007/s00703-008-0329-0 fatcat:mmukoyvf3zdjbe6lq2inulcabm

Impact of Urbanization on Meteorology and Air Quality in Chengdu, a Basin City of Southwestern China

Haofan Wang, Zhihong Liu, Kai Wu, Jiaxin Qiu, Yang Zhang, Bangping Ye, Min He
2022 Frontiers in Ecology and Evolution  
We found that the urban expansion area (i.e., land use transition from natural to urban surfaces between 2000 and 2017, UEA) has a significant increase in nocturnal 2-m temperature (T2) with maximum values  ...  Herein, we simulated a severe O3 episode (10–16 July 2017) and a highly polluted PM2.5 episode (25–30 December 2017) and assessed the changes of meteorological phenomenon and evolution of air pollutants  ...  This pattern implies that the impacts of the thermal inertia of urban buildings govern this phenomenon, as the cooling rates over anthropogenic land surface are lower than natural LULC.  ... 
doi:10.3389/fevo.2022.845801 fatcat:fvs4p6o4cvb3xpnosyv36l7bm4
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