EPA website that provides information about the urban heat island effect and strategies to mitigate it:
http://www.epa.gov/heatisland/index.htm
A PDF from the EPA that explains the basic types of heat islands and how they are measured using remote sensing:
http://www.epa.gov/hiri/resources/pdf/EPA_How_to_measure_a_UHI.pdf
Remote sensors used to study the UHI effect:
An in depth technical look at how thermal band readings from Landsat can be converted to temperature:
http://www.yale.edu/ceo/Documentation/Landsat_DN_to_Kelvin.pdf
USGS website providing many links to descriptions of overall Landsat functionality:
http://landsat.usgs.gov/index.php
NASA website that provides information about MODIS, one of the sensors commonly used to study the Urban Heat Islands:
http://modis.gsfc.nasa.gov/about/
In depth look at the thermal infrared sensor (TIRS) aboard the Landsat satellite, which collects data commonly used to study urban heat islands:
http://landsat.gsfc.nasa.gov/?p=5474.html
Research and images:
NASA website about using remote sensing to study the urban heat island effect; also includes the short educational video shown on this webpage:
http://www.nasa.gov/topics/earth/features/heat-island-sprawl.html
Yale website that discusses land surface properties, as well as the Landsat 8 thermal band and remote sensing of Chicago to determine changes in surface temperature due to surface reflectivity and vegetation:
http://surfaceheat.sites.yale.edu/
A pubmed.gov summary of a urban heat island study done in China:
http://www.ncbi.nlm.nih.gov/pubmed/15137654
NASA earth observatory website that shows images of the urban heat island effect in action, as well as detailed descriptions of each image and links to more images:
http://earthobservatory.nasa.gov/IOTD/view.php?id=47704
NASA article about the potential cooling effects white roofs could have in New York City:
http://earthobservatory.nasa.gov/IOTD/view.php?id=77717&eocn=image&eoci=related_image