Understanding Urban Heat Island Effect

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24 Questions

What is the term used to describe the phenomenon where the temperature at the center of a city is higher than its surrounding suburban area?

Urban Heat Island effect

What happens when a huge amount of natural land is replaced by artificial built surface that absorbs incoming solar radiation and re-radiates it at night?

It develops the Urban Heat Island effect

Who stated that under proper conditions, UHI may be up to 10-15°C?

Oke, T.R.

What factor does Adinna et al. (2009) hold accountable for the Urban Heat Island effect?

Anthropogenic heat release

What is the percentage range mentioned by Oke, T.R. (1982) for the potential increase in temperature due to UHI?

10-15%

According to the text, what effect does UHI have on the demand for energy to cool buildings?

Increases it

Who stated that the phenomenon of UHI exists in almost every big city?

Yamamoto

What does Quattrochi et al. (2000) mention as a factor held accountable for the UHI effect?

Surface cover

According to Synnefa et al. (2008), what phenomenon causes discomfort to the city dwellers?

Urban Heat Island effect

What does Oke, T.R. (1982) mention as a consequence of the microclimate created by UHI?

Increase in demand for energy to cool buildings

What does Yamamoto (2006) refer to as a factor held accountable for the Urban Heat Island effect?

Anthropogenic heat release

What is another name used in the text to describe Urban Heat Island (UHI) effect?

City center heat syndrome

What is the primary reason for the formation of Urban Heat Island (UHI) according to Taha (1997)?

Replacement of natural vegetation with non-reflective and water-resistant materials

According to Akbari et al. (2001), which factor contributes to exacerbating the Urban Heat Island effect?

Destruction of trees

What is the impact of low albedo materials, as discussed in the text?

Increasing absorption of solar radiation

How does the presence of densely situated buildings in urban areas affect the urban microclimate?

Reduces wind velocity, leading to increased cooling effect

What is the significant consequence of human gathering at city centers, as mentioned in the text?

Enhanced emission of CO2, contributing to heat storage

What is the ultimate effect of CO2 emission in urban areas, as discussed in the text?

Strengthening of the urban microclimate effect

According to Santamouris et al. (2007), what is a major cause for the devastating effects of Urban Heat Island in tropical and arid regions?

Excessive heat causing discomfort and illness

How does increased use of air conditioners contribute to worsening the Urban Heat Island effect?

Releasing heat absorbed from inside buildings to the atmosphere

What is one of the reasons for exacerbating the Urban Heat Island effect according to Oke (1987)?

The increased use of air conditioner

What is one of the vital reasons for the formation of UHI according to Grimmond & Oke (1999)?

Low albedo materials

How does wind blocking contribute to exacerbating the Urban Heat Island effect?

It enhances wind blocking effect, reducing urban temperature

What is a significant consequence of destruction of trees, as discussed in the text?

Reduced amount of evapotranspiration due to less vegetation

Explore the phenomenon of Urban Heat Island (UHI) effect, which causes higher temperatures at the center of cities compared to their rural surroundings. Learn about the factors contributing to this phenomenon and its impact on the environment.

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