[DOC] [TLE] Urban heat island - Wikipedia [PAR] An urban heat island (UHI) is a city or metropolitan area that is significantly 
warmer than its surrounding rural areas due to human activities. The temperature 
difference usually is larger at night than during the day, and ..... Paving with light-
colored concrete, in addition to replacing asphalt with light-colored concrete,... [DOC] [TLE] Surface and ambient air temperatures associated with different ... [PAR] urban areas is artificial surfaces, which can absorb and store great amounts ... 
While standard pavements like asphalt and concrete have been extensively 
studied, ... The urban microclimate is influenced by surface materials, city 
structure, ... Materials with high albedo, generally lighter-colored ..... cooling 
would be reduced. [DOC] [TLE] How Cool Pavements Work | Cool California [PAR] Pavements can keep cool by reflecting sunlight (See Figure 3). ... Newly 
constructed asphalt concrete pavement has a solar reflectance of around 0.05 ... 
Cities are increasingly finding that using light-colored materials for new 
pavements can ... which places a thin layer of cement concrete over an existing 
asphalt surface. [DOC] [TLE] Urban Heat Island Reduction, SRI - Concrete Thinker [PAR] Concrete provides reflective surfaces with good solar reflective index (SRI) that ... 
an emittance between 0.85 and 0.95, and a value of 0.90 is usually assumed(6). 
... colored surfaces such as concrete help lessen the heat island effect in cities. ... 
Roof Materials", Cool Building and Paving Materials Workshop, Gaithersburg,... [DOC] [TLE] Cool Roofs | Department of Energy [PAR] Just as wearing light-colored clothing can help keep you cool on a sunny day, 
cool ... sheet, fabric reinforcement layers, and (usually) a dark protective surface 
layer. ... of asphalt; Use reflective mineral granules or a factory-applied coating 
rather than a ... Tile roofs can be made of clay, slate, or concrete. .... About this 
site. [DOC] [TLE] Cool Pavements | HEATISLAND [PAR] Thermal infrared (left) and visible (right) images of a road with light and dark 
segments. ... Emerald Cities reflective coating (Image courtesy of Emerald Cities 
Cool Pavement) ... Pavement reflectance can be enhanced by using reflective 
aggregate, ... There are also novel cool-colored coatings for asphalt concrete 
pavements... [DOC] [TLE] Ecology - ASLA [PAR] Pavement strategies can reduce the urban heat island effect. ... and lack of 
vegetative cover in urban areas to shade paving and buildings and cool the air. ... 
Generally, albedo is associated with color, with lighter colors being more 
reflective. ... White concrete can also result in increased light pollution if fixtures 
are aimed... [DOC] [TLE] National Ready Mixed Concrete Association - NRMCA.com [PAR] could lower the average summer afternoon temperature in some cities by as ... 
Light colored concrete pavements absorb less heat and reflect more light than ... 
cladding materials can be up to 10 F warmer [3] than material with a light ... Cool 
Building and Paving Materials Workshop, Gaithersburg, Maryland, July 1994. [DOC] [TLE] Smart Cooling - Ventura County Planning Division [PAR] Our cities then become urban heat islands with temperatures that can be 2 to 10
 F. hotter than ... People who live in tropical climates usually wear light-colored 
or white clothing to help keep themselves cool. ... Use light-colored paving 
materials. ... Light-colored concrete, pavers, or top coats offer a Image description
... [DOC] [TLE] Albedo Definition: Albedo, or solar reflectance, is a measure of a ... [PAR] Asphalt Cement Concrete Definition: ACC, commonly known as "asphalt," makes 
up ... Using light-colored aggregate increases reflectance as the surface wears. ... 
The "urban fabric" can be characterized both above and below the canopy for a 
.... In addition, it is usually offset by cooling energy savings during the summer. [DOC] [TLE] Alternative/Cool Paving Materials - City Administrative Officer [PAR] Oct 5, 2012 ... future "cool slurry" product could be applied at scale using existing funding, staff, 
and ... Thus even if a cost-effective, light colored asphalt formulation could be ..... 
3.1.11 Roller-Compacted

Question: Cities can be cooled by using light-colored concrete in place of blacktop, which is usually this material
Answer: asphalt