n | LAI | dbh | Radius | |||||||
---|---|---|---|---|---|---|---|---|---|---|
am | mid | ev | am | mid | ev | am | mid | ev | ||
(a) Temperature deviations | ||||||||||
Pin oak | 7 | 0.81 | 0.66 | 0.82 | −0.04 | 0.50 | 0.17 | 0.41 | 0.20 | 0.40 |
Walnut | 10 | 0.62* | 0.17 | 0.35 | 0.33 | −0.20 | 0.24 | 0.47 | 0.26 | 0.41 |
Sugar maple: ind | 10 | 0.05 | 0.09 | 0.40 | 0.39 | −0.05 | 0.10 | 0.40 | 0.28 | −0.14 |
Sugar maple: st | 10 | 0.61 | 0.69* | 0.26 | 0.27 | 0.20 | 0.06 | 0.24 | 0.47 | 0.51 |
Sugar maple: clmp | 7 | 0.80 | 0.17 | 0.17 | - | - | - | - | - | - |
All trees combined | 44 | 0.22 | 0.03 | 0.12 | 0.04 | −0.08 | 0.14 | 0.04 | −0.02 | 0.32 |
b) Vapor pressure deviations | ||||||||||
Pin oak | 7 | 0.20 | 0.20 | 0.52 | 0.37 | 0.37 | 0.57 | 0.17 | 0.17 | −0.09 |
Walnut | 10 | 0.62* | −0.17 | 0.35 | 0.33 | 0.20 | 0.24 | 0.47 | 0.26 | 0.41 |
Sugar maple: ind | 10 | 0.17 | 0.53 | 0.49 | 0.14 | 0.09 | 0.49 | 0.26 | 0.37 | 0.35 |
Sugar maple: st | 10 | 0.14 | −0.03 | 0.04 | 0.67* | 0.36 | 0.17 | 0.57 | 0.26 | 0.57 |
Sugar maple: clmp | 7 | 0.64 | 0.71 | 0.71 | - | - | - | - | - | - |
All trees combined | 44 | 0.09 | 0.01 | 0.13 | 0.12 | 0.28 | 0.04 | 0.21 | 0.10 | −0.06 |
n = sample size, LAI = leaf area index, dbh = diameter at breast height, Radius = radius of crown to dripline, ind = individual trees, st = street trees, clmp = clumps, am = morning period, pm = early afternoon, ev =early evening (see text for details).
↵* significant at 0.95 level