How does the pavement and buildings in a city affect local climate?
It creates what we call a "heat island".
A "heat island" is an area that is simply hotter than its surroundings. Pavement has a lower albedo than almost all plant life, which means that it absorbs sunlight more readily than almost anything else. As a result, it gets warmer. This phenomenon is exacerbated at night by the pavement's slow release of stored heat, and it is more noticeable in the summer when snow cover is higher.
The way this affects weather is fascinating. At work, I constantly see thunderstorms moving toward cities on the radar in the summer and then deflecting away from them. The city where I work has a highway named the Perimeter Highway (original no?). At the weather office, we call the effect of the city heat island the "Perimeter highway effect" informally.
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The pavement and buildings in a city affect the local climate by absorbing and retaining heat, creating what is known as the urban heat island effect. This effect increases temperatures in urban areas compared to surrounding rural areas. Additionally, the materials used in buildings and pavement can alter the local microclimate by influencing factors such as air circulation, moisture retention, and surface reflectivity, which can further impact temperature, humidity, and precipitation patterns.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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