saltation events Co. and total dust flux C. yielded similar, but poorer
fits:
7.58 x 1073PSoqU2
Cs
(8)
(r = .902, F = 61, p < 0.01), and
1.88 x 1072PSg QU?
(9)
WV
aQ
(r = .960, F = 164.1, p < 0.01); where
s
sum of all five saltation compartment dust collections
sum of ground creep and saltation compartment collections.
t
The distribution of dust flux with height above the ground surface is
shown in Table 2.
A good fit between cumulative fractional dust flux
over all time intervals, and midheight (Z) of each collector compartment
of the Bagnold sampler was obtained:
F
=
76.45Z72-21
(10)
(r = .999, F = 29117, p < 0.01)
fraction of dust flux at height Z for saltation and soil
creep processes combined
midheight of collecting surface, cm.
fit was obtained when saltation dust flux alone was considered:
28.43z71-79
(1)
(r = .999, F = 1488, p < 0.01)
total saltation flux from all five collecting compartments.
were also obtained when collector fractions were compared:
1.75,
(12)
(r = .992, F = 61.26, p < 0.01),
2.23C.
(13)
(r = .987, F = 36, p < 0.01), and
1.23C.
(14)
(r = .958, F = 11.2, p < 0.01).
691