How do asphalt and concrete contribute to urban center's temperature being higher than other adjacent areas?

Question

BlackTom AI · Accepted Answer

The provided data shows that the question has no answer options listed, which makes it impossible to compare and contrast all choices. Nevertheless, we can still reason about the core concept.

When considering why asphalt and concrete contribute to higher urban center temperatures, the prevailing mechanism is related to solar radiation absorption and heat retention. Surfaces like asphalt and concrete tend to have relatively low albedo, meaning they absorb a large fraction of the sun’s energy rather than reflecting it. This absorbed energy increases the surface temperature, causing the pavement to feel hotter during sunny periods.

Once the sun goes down, these materials release the stored heat more slowly than surrounding vegetation or water features. This heat storage and gradual release keep urban areas warmer than nearby rural areas, creating the urban heat island effect. The dense concentration of dark, heat-absorbing surfaces, coupled with limited shade and reduced vegetation, compounds this warming.

Optionally, in a hypothetical list of choices, you would typically see items such as:
- Absorbing the sun’s energy (which raises surface temperature via higher solar absorption and lower reflectivity)
- Reflecting most sunlight (which would actually reduce heating, not increase it)
- Conducting heat away rapidly (which would cool surfaces, not warm them)
- Emitting heat without absorbing solar energy (which is not the primary driver of daytime heating)

If we were to evaluate the given correct statement in isolation, the idea that asphalt and concrete contribute to higher temperatures because they absorb the sun’s energy is consistent with the physics of albedo, heat capacity, and thermal inertia. In practice, the urban heat island is driven by a combination of low reflectivity, heat storage in building materials, reduced evapotranspiration due to less vegetation, and the trapping effect of dense urban form.

In terms of mitigation concepts, recognizing the absorb-and-store dynamic suggests approaches such as increasing surface albedo with light-colored or reflective coatings, using lighter paving materials, adding vegetation or green spaces to increase evapotranspiration, and incorporating permeable pavements to enhance cooling through water infiltration and evaporation.

How do asphalt and concrete contribute to urban center's temperature being higher than other adjacent areas?单项选择题

类似问题

Question 3. Choose a, b or c as the best answer. 3. The speaker seems to be most concerned about

Which option does not contribute to the Urban Heat Island effect?

Thus, Urban Centers absorb __ radiation which is why cities are often much warmer than suburban or rural regions.

Heat generated by cars, factories, furnaces, lights, air conditioners, and heat-absorbing dark roofs and streets help create what is known as a(n) ________ in the central city.

What is most true in describing an urban heat island?

Examine the image of temperature distribution in Beijing, China across the seasons. Select the option that accurately describes Beijing. Temperature for each season is provided by the colored scales on the right for each season (Celsius).

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单