768 
Distance (m) 
0 500 1000 1500 
Distance (m) 
12.0 12.5 13.0 13.5 14.0 14.5 15.0 15.5 16.0 16.5 17.0 17.5 18.0 
Temperature (°C) 
Figure 7: TIMS channel 6 (11.7 /xm) temperature image obtained at Hay on 5 
June, 1993. The open circles show the locations of the field instruments used 
for measuring in situ temperatures. The zenith viewing angle (a) for the pixel 
closest to the central field site is 5.9 degrees. North is toward the top of the page.