Sentences with phrase «heat island»
The phrase "heat island" refers to an area, like a city, where the temperature is significantly higher than its surrounding rural areas. This happens because buildings, roads, and concrete absorb and release heat, leading to a warmer microclimate within the urban space. Full definition
Scientists include older urban sites not because they are ignorant of urban heat island effects, but because continuing to include them improves the accuracy of our identification of temperature trends.
realclimate.org
One person argued that the urban heat island effect in cities had a bigger effect than climate change.
A few papers came up discussing urban heat islands in the summer.
For example, there are conflicting reports regarding the impact of reduced aerosol pollution on heat island intensity.
It's actually really tricky to know for certain, because we don't know exactly how the urban heat island at the station has developed over the century.
Description of underground heat islands is much more difficult.
It also provides a ranking of the top urban heat island cities among the 50 largest metropolitan statistical areas.
Obviously, it was important to have some discussion of the urban heat island problem in the chapter dealing with the global temperature estimates — Chapter 3.
Does the increasing area of urban heat islands increase global warming?
The factors that contribute to urban heat islands vary from one urban area to another.
The state of knowledge about urban heat islands around 1980 is described and work since then is assessed in terms of similarities to and contrasts with that situation.
Urban heat islands occur mainly at night and are reduced in windy conditions.
Lack of trees and green space and urban tree coverage can lead to extreme heat islands and average temperatures of over 101 degrees!
If urban heat islands significantly biased the temperature record, then you'd expect a global map of temperature change to have red spots where the population is concentrated.
The scientists used satellite measurements of surface temperature to easily determine spatial and temporal parameters of above - ground heat islands.
So far, research has studied the individual heat islands separately from each other, such that little is known about interactions and relationships between above - ground and underground temperatures.
The reality is that the social, environmental and economic costs of urban heat islands add up to a bill that is too high for humanity to pay.
Several studies have looked in depth at possible heat island contamination of land temperature records.
But from a climate and urban heat island standpoint, it makes a lot of sense to install bright, white roofs.
An examination of urban heat island characteristics in a global climate model.
Nothing new there except note that the roof is planted to manage rain water, stop heat islands, and keep the cinema cool.
In that respect, the two cities are similar, but they differ over heat island locations.
Was there already an urban heat island at the station when it was set up in the 19th century, or did it only start developing in the 20th century?
This is relevant for the urban heat island problem, because we have the same problem when comparing the urban stations to rural stations.
Further, decreasing building envelope temperatures and reducing air conditioning exhaust can reduce urban heat island effect.
Co-author Hashem Akbari emphasizes that cool roofs and pavements are only a part of the solution: «Two years worth of emissions is huge, but compared to what we need to do, it's just a dent in the problem,» says Akbari, the former head of the Berkeley Lab Heat Island Group and now Hydro - Quebec Industrial Research Professor at Concordia University in Montreal.
They have been working for nearly a decade to find creative solutions to reduce heat island effects in cities, such as resurfacing rooftops with white paint or with low - maintenance, lightweight vegetation.
Apart from air pollution reduction, other benefits of urban green infrastructure include urban heat island mitigation, the potential reduction in energy consumption, better stormwater management, and climate change mitigation.
«We'll pick up more heat islands and cold zones, and the edges of zones will be defined more clearly.»
Oke, T. R., G. T. Johnson, D. G. Steyn and I. D. Watson, 1991: «Simulation of nocturnal surface urban heat islands under «ideal» conditions: Part 2.
These heat zones, known as urban heat islands where they occur above a large town or city, disrupt natural weather patterns and lead to abnormal rain showers, cloud formation and more.
The urban heat island issue you claim causes global warming is a myth that has been dispelled 100 times over, and there are plety of related articles on this website.
Researchers in Singapore are developing a microclimatic modelling tool to prevent further deterioration of the country's urban heat island phenomenon.
trees and shrubs made heat islands more likely.
The figure below shows a stylised heat island profile for a city, showing temperatures rising from the rural fringe and peaking in the city centre.