Left: False color image of the ROI on April 20, 2008.

<p>Yellow pixels indicate locations in the STH-vegetation class. and . The square denotes the location of the city of Bakersfield, the circle on the top indicates the city of Delano, the circle on the right indicates the location of STH, and the circle on the left indicates the location of the city of Taft. <b>Right</b>: Spectral class comparison. STH-thermal class is shown in yellow for the same April 20, 2008 image. Parallelepiped scheme was used with thresholds , with the average surface temperature on the STH training pixels, and the corresponding standard deviation.