Impact of land cover data on the simulation of urban heat island for Berlin using WRF coupled with bulk approach of Noah-LSM

Li, Huidong; Wolter, Michael; Wang, Xun; Sodoudi, Sahar

doi:10.1007/s00704-017-2253-z

Cited by 56 publications

(50 citation statements)

References 37 publications

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“…Increasing the average temperature as the impacts of future urban expansion have been investigated in some Asian cities, for example in Ho Chi Minh City [49], where the impact of urbanization on increasing temperature can be approximately 20-30% of global warming. Future urbanization might not significantly increase the urban temperature as well as the intensity of UHIs but it might extend the UHI [77]. The increased average temperature was mainly a result of the decreasing green space and reduced or loss of the water body as discussed above.…”

Section: Discussionmentioning

confidence: 96%

The Sensitivity of Urban Heat Island to Urban Green Space—A Model-Based Study of City of Colombo, Sri Lanka

et al. 2019

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Urbanization continues to trigger massive land-use land-cover change that transforms natural green environments to impermeable paved surfaces. Fast-growing cities in Asia experience increased urban temperature indicating the development of urban heat islands (UHIs) because of decreased urban green space, particularly in recent decades. This paper investigates the existence of UHIs and the impact of green areas to mitigate the impacts of UHIs in Colombo, Sri Lanka, using UrbClim, a boundary climate model that runs two classes of simulations, namely urbanization impact simulations, and greening simulations. The urbanization impact simulation results show that UHIs spread spatially with the reduction of vegetation cover, and increases the average UHI intensity. The greening simulations show that increasing green space up to 30% in urban areas can decrease the average air temperature by 0.1 °C. On the other hand, converting entire green areas into urban areas in suburban areas increases the average temperature from 27.75 °C to 27.78 °C in Colombo. This demonstrates the sensitivity of UHI to vegetation cover in both urban and suburban areas. These seemingly small changes are average grid values and may indicate much higher impacts at sub-grid levels.

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Section: Discussionmentioning

confidence: 96%

The Sensitivity of Urban Heat Island to Urban Green Space—A Model-Based Study of City of Colombo, Sri Lanka

et al. 2019

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“…While ENVI-met is regarded as a reliable and validated microclimate simulation tool at early urban design stages, it doesn't support bigger climate scales' simulations with regard to the city and regional scales which can be generated through field measurements in order to either project them in future with consideration to climate change scenarios, downscale them in order to generate recent weather files or couple different climate scales models' generated by them, the work of Li, H., et al, is just an example not to mention [122,123]. On the other hand, microclimate simulation tools have limitations with regard to computational optimization of urban form designs according to environmental conditions.…”

Section: Limitations Of Simulation Toolsmentioning

confidence: 99%

A Review and Insights for Eleven Years of Urban Microclimate Research Towards a New Egyptian ERA of Low Carbon, Comfortable and Energy-Efficient Housing Typologies

et al. 2020

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Since the mid-1970s, urban development in Egypt has sprawled far from the distinguished compact arid built environment, as the court-yarded housing typologies that completed the vernacular picture of desert architecture have been discarded in the early 20th century. This has motivated urban microclimate research in Egypt. The main objective was initially to improve outdoor thermal comfort. Therefore, Egyptian research started with assessing different existing patterns for the sake of climate responsive and sustainable urban design practice characterized with low carbon, thermal comfort and energy efficiency in such a hot arid conditions. That is why the review workflow of this article has followed a design progress workflow that led to solving design complexities with regard to generating housing urban forms on a microclimate basis rather than an article regular review workflow in order to extract the research gaps and conclude insights. After discussing a general framework for generating housing sustainable design identified from the concluded gaps, the main conclusion is a vision and a call to integrate the Urban microclimate-Building passiveness-Renewables design dimensions, UBR, towards the evolution of a new era of energy efficient housing typologies and a 5th generation of Egyptian sustainable cities where the 1st generation of new Egyptian cities started 1970s.

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“…Differences in city characteristics (see ; Oke, 1987;Rotach et al, 2005), such as UHI, city density, green space, population, or aerosol pollution, will theoretically lead to different precipitation modifications. Except for some studies such as air pollution effects in Poland, Germany, and Czech (Bokwa, 2010;Stjern et al, 2011), UHI (see ;Hoffmann, 2009;Hoffmann et al, 2015;Li et al, 2007;Santamouris, 2013;Schlünzen et al, 2010;Stulov, 1993;Thielen et al, 2000) or other factors (Atkinson, 1971;Barrett, 1964;Carraça & Collier, 2007;Daniels et al, 2016;Pagenkopf, 2006;Russell & Hughes, 2012;Trusilova et al, 2009), European cities have not been studied as extensively as U.S. or Asian cities on their impacts on precipitation.…”

Section: 1029/2018jd028858mentioning

confidence: 99%

Urban Rainfall Modification: Observational Climatology Over Berlin, Germany

et al. 2019

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This study investigates the direct influence of urban areas on storm events (heavy rainfall above 17 mm/hr). An 11‐year climatology of summertime precipitation was performed to capture and describe storm events for Berlin, Germany. An hourly radar composite product from the German Weather Service with a 1‐km grid resolution was used for the analysis. Berlin was chosen due to the relatively modest influences of topography and distinct urban‐rural landscape heterogeneity potentially affecting storms. The analysis identified 96 storm events for the period from 2006 to 2016. Individual storm characteristics were evaluated before the city (upwind), over the city, and behind the city (downwind). Both visual and statistical estimations quantified storm modifications caused by the urban area. Around 60% of the events showed typical patterns of storm alteration by the city. In conformance to earlier studies, we found evidence of urban rainfall intensification about 20 to 50 km downwind of the urban center. Most storms were suppressed, deflected, or split by the city, whereas intensification over the city typically occurred at night or when storms formed over the city. In the present study, results indicate an urban influence on storms in and around Berlin. But, unlike other studies, downwind intensification of storm rainfall was not a typical feature. This study on urban rainfall modification marks one of the first observations‐based climatological assessments for the European region.

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Impact of land cover data on the simulation of urban heat island for Berlin using WRF coupled with bulk approach of Noah-LSM

Cited by 56 publications

References 37 publications

The Sensitivity of Urban Heat Island to Urban Green Space—A Model-Based Study of City of Colombo, Sri Lanka

The Sensitivity of Urban Heat Island to Urban Green Space—A Model-Based Study of City of Colombo, Sri Lanka

A Review and Insights for Eleven Years of Urban Microclimate Research Towards a New Egyptian ERA of Low Carbon, Comfortable and Energy-Efficient Housing Typologies

Urban Rainfall Modification: Observational Climatology Over Berlin, Germany

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