Sentences with phrase «urban heat islands in»

I also made a point of including some small towns in significant geographic locations such as Cape Hatteras, North Carolina, and Glasgow, Montana, to see if trends extend beyond the urban heat islands in big cities.
A few papers came up discussing urban heat islands in the summer.
This leads to a massive over-adjustment for urban heat island in summer, because the urban heat island in Moscow is mostly a winter phenomenon (see e.g. Lokoshchenko and Isaev).
Figuerola & Mazzeo, 1998 (Open access) even went out and measured the urban heat island in Buenos Aires.
The urban heat island in winter at Barrow, Alaska.
Environmental influences such as the Urban Heat Island in cities and regional towns may be contributing to the increase in temperatures since 2002, as may instrument influences such as the advent of Automatic Weather Stations at many ACORN locations since the early 1990s.

Not exact matches

U.S. Department of Agriculture scientists grew weeds in three sites: an organic farm in western Maryland, a park in a suburb of Baltimore, and in downtown Baltimore, which is choked with smog and about 3 to 4 degrees warmer than the surrounding countryside because of the urban heat island effect.
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.
New research from North Carolina State University shows that urban «heat islands» are slowly killing red maples in the southeastern United States.
This could be because of the urban heat island effect, which causes temperatures in the city to rise as much 10 °C compared with those in the surrounding areas.
Laser cooling has been applied to paint, which could mitigate urban heat islands and solve the problem of how to cool objects in space
The authors caution that several factors can influence the urban heat island effect, not all of which were addressed in the study.
The U.S. Environmental Protection Agency (EPA) encourages the creation of green roofs for mitigating the urban «heat island effect,» whereby temperatures in crowded cities can soar some 10 degrees Fahrenheit higher than in less developed areas nearby.
Using a global climate model, a team led by Princeton University researchers measured how severely heat waves interact with urban heat islands, now and in the future, in 50 American cities across three climate zones.
The researchers hope the results can help influence local governments and city planners in the formulation of effective codes and policies to mitigate the urban heat island effect.
The study, published in the journal Computers, Environment and Urban Systems, identifies Salt Lake City, Miami and Louisville as the top three urban heat island cities in theUrban Systems, identifies Salt Lake City, Miami and Louisville as the top three urban heat island cities in theurban heat island cities in the U.S.
Increasing levels of ozone, in turn, trap more heat, exacerbating the urban heat island effect: Cities are normally about five to 10 degrees hotter than surrounding suburbs because asphalt and cement absorb sunlight, generating a vicious cycle of escalating pollution and heat.
Heat waves in cities interact synergistically with the urban heat island effect to raise temperatures more than would be expected from a simple summation calculatHeat waves in cities interact synergistically with the urban heat island effect to raise temperatures more than would be expected from a simple summation calculatheat island effect to raise temperatures more than would be expected from a simple summation calculation.
Gary Cohen, president and founder of the Massachusetts - based nonprofit Health Care Without Harm, said in a telephone interview that the risks of climate change to both the health of U.S. citizens and the U.S. health care delivery system is profound, particularly in urban areas, where warming average temperatures are exacerbated by the heat island effect and high concentrations of other air pollution like ozone and particulate matter.
Although he hasn't gone through the papers in detail, he is already questioning the results reported by the Berkeley team regarding the questionable research stations and the urban heat island effect.
Large, densely populated urban areas are highly susceptible to exhausting heat waves exacerbated by the «heat island» effect in which once permeable, cooling surfaces like open land, bodies of water and vegetation have been replaced with surfaces that capture and retain heat like asphalt and concrete.
Reflective pavements have been considered as one of several strategies to mitigate what are known as urban heat islands, in which daytime temperatures rise due, in part, to dark, dry infrastructure such as roads and buildings.
The more detailed understanding of urban heat islands provided by the study can help health professionals and others target efforts to protect people and infrastructure from heat - related problems, according to project co-leads Tracy Twine and Peter Snyder, associate professors in the College of Food, Agricultural and Natural Resource Sciences.
«New urban heat island study shows surprising variation in air temperatures across Twin Cities: Results provide valuable insights into efforts to reduce heat - related harm in metro areas globally.»
Analyzing tens of thousands of data points, Schatz and Kucharik found the urban heat island effect peaked in summer, when downtown Madison averaged 7 degrees Fahrenheit warmer at night and 3 degrees warmer during the day when compared to rural Dane County.
However, temperature is officially measured at just a few locations in most cities, so awareness of the extent and variability of urban heat island effects was limited,» said lead author Brian Smoliak.
Innovative urban design could create increased access to active transport.99 The compact geographical area found in cities presents opportunities to reduce energy use and emissions of heat - trapping gases and other air pollutants through active transit, improved building construction, provision of services, and infrastructure creation, such as bike paths and sidewalks.303, 318 Urban planning strategies designed to reduce the urban heat island effect, such as green / cool roofs, increased green space, parkland and urban canopy, could reduce indoor temperatures, improve indoor air quality, and could produce additional societal co-benefits by promoting social interaction and prioritizing vulnerable urban populations.311urban design could create increased access to active transport.99 The compact geographical area found in cities presents opportunities to reduce energy use and emissions of heat - trapping gases and other air pollutants through active transit, improved building construction, provision of services, and infrastructure creation, such as bike paths and sidewalks.303, 318 Urban planning strategies designed to reduce the urban heat island effect, such as green / cool roofs, increased green space, parkland and urban canopy, could reduce indoor temperatures, improve indoor air quality, and could produce additional societal co-benefits by promoting social interaction and prioritizing vulnerable urban populations.311Urban planning strategies designed to reduce the urban heat island effect, such as green / cool roofs, increased green space, parkland and urban canopy, could reduce indoor temperatures, improve indoor air quality, and could produce additional societal co-benefits by promoting social interaction and prioritizing vulnerable urban populations.311urban heat island effect, such as green / cool roofs, increased green space, parkland and urban canopy, could reduce indoor temperatures, improve indoor air quality, and could produce additional societal co-benefits by promoting social interaction and prioritizing vulnerable urban populations.311urban canopy, could reduce indoor temperatures, improve indoor air quality, and could produce additional societal co-benefits by promoting social interaction and prioritizing vulnerable urban populations.311urban populations.311, 303
To see whether the lab test is an accurate predictor how bees respond to heat in the real world, Hamblin used urban heat islands to mimic climate change, following bee populations at 18 places around Wake County over two years.
Alexandri and Jones say their results suggest the urban heat island effect could be countered by introducing green roofs and walls in cities.
Urban heat islands, combined with an aging population and increased urbanization, are projected to increase the vulnerability of urban populations to heat - related health impacts in the futureUrban heat islands, combined with an aging population and increased urbanization, are projected to increase the vulnerability of urban populations to heat - related health impacts in the futureurban populations to heat - related health impacts in the future (Ch.
Urban heat islands occur mainly at night and are reduced in windy conditions.
Increasing evidence suggests that urban heat island effects extend to changes in precipitation, clouds and DTR, with these detectable as a «weekend effect» owing to lower pollution and other effects during weekends.
Surface data are more adequately corrected for urban island heat effect in the US and other OECD countries.
In fact the last sentence of the article makes a vague and misleading reference to urban heat island effect...
The main conclusion is that micro - and local - scale impacts dominate the meso - scale impact of the urban heat island: many sections of towns may be warmer than rural sites, but meteorological observations are likely to be made in park «cool islands».
The heat island effect also concentrates pollutants in the urban region of Louisville.
Explanation of the urban heat island effect in terms of both temperature and precipitation.
Assessment: The group check - ins before the designs are tested can be used as formative assessment to make sure students understand the components of their design and how those components will help minimize the effects of the urban heat island.
Half the increase in urban land across the world over the next 20 years will occur in Asia, with the most extensive change expected to take place in India and China Urban areas modify their local and regional climate through the urban heat island effect and by altering precipitation patterns, which together will have significant impacts on net primary production, ecurban land across the world over the next 20 years will occur in Asia, with the most extensive change expected to take place in India and China Urban areas modify their local and regional climate through the urban heat island effect and by altering precipitation patterns, which together will have significant impacts on net primary production, ecUrban areas modify their local and regional climate through the urban heat island effect and by altering precipitation patterns, which together will have significant impacts on net primary production, ecurban heat island effect and by altering precipitation patterns, which together will have significant impacts on net primary production, ecos...
NWS management did not allow work in evaluating Urban Heat Island (UHI), mainly because of the stigma of being related to what NWS viewed as the political and controversial nature of the climate change / global warming subject.
Human induced trend has two components, namely (a) greenhouse effect [this includes global and local / regional component] and (b) non-greenhouse effect [local / regional component]-- according to IPCC (a) is more than half of global average temperature anomaly wherein it also includes component of volcanic activities, etc that comes under greenhouse effect; and (b) contribution is less than half — ecological changes component but this is biased positive side by urban - heat - island effect component as the met network are concentrated in urban areas and rural - cold - island effect is biased negative side as the met stations are sparsely distributed though rural area is more than double to urban area.
«Wavelet analysis shows that this relative urban warming trend was primarily manifested in the form of multi - decadal and interseasonal cycles that are likely attributable to gradual increased winter heating in Ottawa (heat island effects) associated with population growth.
It seems clear to me that that mountain glaciers and permafrost are: 1 sensitive indicators of changes in temperature; 2 uncontaminated by urban heat islands; 3 have short response times (no problem with lagged response to Little Ice Age cooling); have wide geographical coverage (especially in remote areas).
Not much «blue» in the Arctic (not with urban heat islands or heavy industries) with a mean zonal anomaly of +4 C near the Pole.
Urban heat islands occur mainly at night and are reduced in windy conditions.
This is slightly different from the more often discussed «Urban Heat Island» effect which is a function of the wider area (and so could be present even in a perfectly set up urban statUrban Heat Island» effect which is a function of the wider area (and so could be present even in a perfectly set up urban staturban station).
For historical perspective, the very first person to compile weather data that showed global warming, G.S. Callendar back in 1938, already thought of the urban heat island effect and made an effort to compensate for it.
Surface data are more adequately corrected for urban island heat effect in the US and other OECD countries.
However, the actual claim of IPCC is that the effects of urban heat islands effects are likely small in the gridded temperature products (such as produced by GISS and Climate Research Unit (CRU)-RRB- because of efforts to correct for those biases.
Likewise, they prefer to debate urban heat island effects rather than to discuss the rising temperature trends, other clear signs of rising temperatures, the positive feedbacks which are beginning to kick in so that climate change will take on a life of its own independently of what we do in the future if changes are not made now (# 111, «Storm World» post, comment # 141) and what such climate change will imply for humanity as a whole (Curve manipulation, comment # 74, A Saturated Gassy Argument, comment # 116).
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