Table 3.

Examples of mean temperature differences from the basal temperature at selected vertical levels and sites.

SiteDateHeight (m)PositionTemperature differences
AsphaltSeptember 71/814.3
Avg. basal21.4
temp = 83.23
44.1
210.8
20.0
30.4
41.0
GrassSeptember 131/810.9
Avg. basal2-0.1
temp = 81.13-2.8
40.6
210.5
20.0
30.0
40.3
IslandOctober 41/818.4
Avg. basal27.8
temp = 72.53*0.2
4-0.6
212.9
21.6
3*0.1
4-0.1
  • * This stand was used as the basal stand because of equipment limitations at the site.