Impact of the Urban Heat Island Effect on Precipitation over a Complex Geographic Environment in Northern Taiwan

Lin, Chuan-Yao; Chen, Wan-Chin; Chang, Pao‐Liang; Yang, Shangjin

doi:10.1175/2010jamc2504.1

Cited by 129 publications

(91 citation statements)

References 38 publications

(48 reference statements)

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“…However, the change from stratiform precipitation to more convective precipitation can be expected at higher temperatures (Lin et al 2011). Precipitation enhancement (amount and intensity of short duration e.g.…”

Section: Discussionmentioning

confidence: 99%

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Urban impacts on air temperature and precipitation over The Netherlands

Golroudbary¹,

Zeng²,

Mannaerts³

et al. 2018

Clim. Res.

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The detection of changes in the weather of urban areas is an important issue for understanding the impact of weather on human lives. Five years of basic weather observations (2011−2015) from automatic and amateur networks across The Netherlands were used to investigate the urban effects on meteorological parameters with a focus on temperature (e.g. urban heat island [UHI]) and precipitation. Representative stations were selected based on metadata and a set of criteria for data quality control. An hourly analysis indicates that UHIs are a nocturnal phenomenon in The Netherlands and are more prominent after sunset, when they exceed 2°C. A seasonal analysis shows that UHIs occur in all seasons during the year, with the most significant UHI occurring in the summer. Furthermore, the differences in the precipitation of urban and rural areas were shown to be greatest after sunrise during the day. The maximum hourly UHI and hourly precipitation distributions were analyzed using a generalized extreme value model. The occurrences of maximum precipitation are likely to be more frequent at urban stations than at the nearby rural stations. Additionally, the distinct seasonal cycle of precipitation that is dependent on the UHI demonstrates that the maximum UHI and precipitation occurred in the summer. Our results indicate that the UHI and precipitation enhancements in Dutch urban residential areas, as obtained from the data of weather amateurs, are in agreement with the results presented in the literature, and that 7% more precipitation occurs in cities than in rural areas.

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Section: Discussionmentioning

confidence: 99%

“…heat, water, and momentum be tween the land surface and overlying atmosphere), which cause alterations of the atmospheric composition and meteorology over urban areas (Peterson 2003, Kaufmann et al 2007, Pall et al 2007, Trusi lova et al 2008, Zhang et al 2009, Lin et al 2011, Stone et al 2012.…”

Section: Introductionmentioning

confidence: 99%

Urban impacts on air temperature and precipitation over The Netherlands

Golroudbary¹,

Zeng²,

Mannaerts³

et al. 2018

Clim. Res.

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“…Durieux et al (2003) have shown that cloud cover varies as a function of the deforestation pattern. Lin et al (2010), among several other studies, have discussed the urban heat island effect on the region's climate. To understand how vegetation cover influences precipitation characteristics, two approaches were applied: one using statistical radar data and the other using a special HALO mission specifically aimed at this topic.…”

Section: Rainfall Sensitivity To Surface Covermentioning

confidence: 99%

Overview: Precipitation characteristics and sensitivities to environmental conditions during GoAmazon2014/5 and ACRIDICON-CHUVA

et al. 2018

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Abstract. This study provides an overview of precipitation processes and their sensitivities to environmental conditions in the Central Amazon Basin near Manaus during the GoAmazon2014/5 and ACRIDICON-CHUVA experiments. This study takes advantage of the numerous measurement platforms and instrument systems operating during both campaigns to sample cloud structure and environmental conditions during 2014 and 2015; the rainfall variability among seasons, aerosol loading, land surface type, and topography has been carefully characterized using these data. Differences between the wet and dry seasons were examined from a variety of perspectives. The rainfall rates distribution, total amount of rainfall, and raindrop size distribution (the massweighted mean diameter) were quantified over both seasons.The dry season generally exhibited higher rainfall rates than the wet season and included more intense rainfall periods. However, the cumulative rainfall during the wet season was 4 times greater than that during the total dry season rainfall, as shown in the total rainfall accumulation data. The typical size and life cycle of Amazon cloud clusters (observed by satellite) and rain cells (observed by radar) were examined, as were differences in these systems between the seasons. Moreover, monthly mean thermodynamic and dynamic variables were analysed using radiosondes to elucidate the differences in rainfall characteristics during the wet and dry seasons. The sensitivity of rainfall to atmospheric aerosol loading was discussed with regard to mass-weighted mean diameter and rain rate. This topic was evaluated only durPublished by Copernicus Publications on behalf of the European Geosciences Union. L. A. T. Machado et al.: Overview: Precipitation characteristics and sensitivities to environmental conditionsing the wet season due to the insignificant statistics of rainfall events for different aerosol loading ranges and the low frequency of precipitation events during the dry season. The impacts of aerosols on cloud droplet diameter varied based on droplet size. For the wet season, we observed no dependence between land surface type and rain rate. However, during the dry season, urban areas exhibited the largest rainfall rate tail distribution, and deforested regions exhibited the lowest mean rainfall rate. Airplane measurements were taken to characterize and contrast cloud microphysical properties and processes over forested and deforested regions. Vertical motion was not correlated with cloud droplet sizes, but cloud droplet concentration correlated linearly with vertical motion. Clouds over forested areas contained larger droplets than clouds over pastures at all altitudes. Finally, the connections between topography and rain rate were evaluated, with higher rainfall rates identified at higher elevations during the dry season.

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“…Lin et al (2008), Shou and Zhang (2010), and Chen et al (2011) investigated the interaction between UHI and sea breeze. Miao et al (2010Miao et al ( , 2011 and Lin et al (2011) evaluated the impact of urbanization on heavy rainfalls. Grossman-Clarke (2010) examined the contribution of land-use changes to surface air temperatures during an extreme heat events in the Phoenix metropolitan area.…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation of Urban Heat Island Effect by the WRF Model with 4-km Grid Increment: An Inter-Comparison Study between the Urban Canopy Model and Slab Model

Kusaka

Chen

Tewari

et al. 2012

Journal of the Meteorological Society of Japan

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The present study applies the WRF model involving the single-layer urban canopy model (hereafter, WRF_UCM) to urban climate simulation of the Tokyo metropolitan area for August (2004)(2005)(2006)(2007) and compare results to (a) observations, and (b) the WRF model involving the slab urban model (hereafter, WRF_SLAB). In this urban area, WRF_UCM accurately captures the observed monthly mean daytime and nocturnal UHI, whereas WRF_SLAB does not show a nocturnal UHI. Moreover, the observed diurnal variations of the surface air temperature for central Tokyo and Kumagaya, a nearby inland city, are reproduced well by WRF_UCM. However, WRF_SLAB exhibits both a 1-hr phase shift and a 6.2 C excess oscillation magnitude over observations. In addition, WRF_UCM accurately reproduces the frequency distribution of surface air temperatures, showing a maximum at 27 C, whereas WRF_SLAB produce a bimodal distribution, with double peaks at 23 and 33 C. Finally, WRF_UCM does a much better job than WRF_SLAB at modeling the relative humidity.

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Impact of the Urban Heat Island Effect on Precipitation over a Complex Geographic Environment in Northern Taiwan

Cited by 129 publications

References 38 publications

Urban impacts on air temperature and precipitation over The Netherlands

Urban impacts on air temperature and precipitation over The Netherlands

Overview: Precipitation characteristics and sensitivities to environmental conditions during GoAmazon2014/5 and ACRIDICON-CHUVA

Numerical Simulation of Urban Heat Island Effect by the WRF Model with 4-km Grid Increment: An Inter-Comparison Study between the Urban Canopy Model and Slab Model

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