9070 20 10 30 4060 50 10 20 30 40 50 60 70 80 90 10 90 80 70 60 50 40 30 20 percent silt percent...
TRANSCRIPT
90 70 20
10304060 50
1020
3040
5060
70
809010
90
80
70
60
50
40
30
20
Percent Silt
Per
cent
Cla
y
Percent Sand
Clay
SandyClay
Clay Loam
Silty Clay
Silty Clay Loam
Loamy Sand
Loam
Sandy Clay Loam
Sandy Loam Silty Loam
SiltSand
80
Figure 9.1
Ecological Climatology © 2008 G. Bonan
0
50
100
150
200
15 20 25 30 35 40 45
Temperature (C)
Dep
th (
mm
)
14:00
06:00
15
20
25
30
35
40
45
0:00
2:00
4:00
6:00
8:00
10:0
0
12:0
0
14:0
0
16:0
0
18:0
0
20:0
0
22:0
0
Hour Of Day
Tem
pera
ture
(C
)
5 mm
25 mm
50 mm
100 mm
400 mm
Figure 9.2
Ecological Climatology © 2008 G. Bonan
Dy
Dz
Dx
F kTz
kTz
FH IK FH IK
Fin
Fout
change in storage = flux in - flux out
( )in outT
c x y z F F x yt
T Fc
t z
2
2T T T
c k kzt z z
5 mmA 41C
15 mmB 37C
o oW 41 C 37 C1.5 o 0.01 mm C
2600 W/m
F
F
Figure 9.3
Ecological Climatology © 2008 G. Bonan
0
50
100
150
200
250
300
24 25 26 27 28 29 30 31 32 33 34 35
Temperature (C)
Dep
th (
mm
)
Bare - day
Litter - day
Bare - night
Litter - night
Figure 9.4
Ecological Climatology © 2008 G. Bonan
Tf - T Tf + TTf
cf
cu
ca
ca2T=cf T+L+ cuT
Figure 9.5
Temperature (C)
Hea
t Cap
acity
(J
m-3
C-1)
Ecological Climatology © 2008 G. Bonan
Figure 9.6
Ecological Climatology © 2008 G. Bonan
Wilting Point
Field Capacity
Saturation0.451
0.154
0.000
1.000
0.393Soi
l Vol
ume
Available Water
Gravitational Water
Unavailable Water
Solids
Figure 9.7
Ecological Climatology © 2008 G. Bonan
0 10 20 30 40 50 60 70 80 90 100
Soil Water (Percent Saturation)
Suc
tion
(mm
)
Suc
tion
(Pa)
Sand
Sandy loam
Loam
Clay loam
Clay
Figure 9.8
102
103
104
105
106
107
109
108
1010
103
104
105
106
107
108
1010
109
1011
Ecological Climatology © 2008 G. Bonan
Dy
Dz
Dx
( )1
( )1 1
zF k k
z z
zF k k k
z z z
Fin
Fout
change in storage = flux in - flux out
( )in outx y z F F x yt
1kt z z
/ /t F z
50 mmA
550 mmB
mm ( 478 mm 500 mm) ( 843 mm 0 mm)2
hr 500 mm
3.46 mm/hr
F
F
=-478 mmz=500 mm
=-843 mm z=0 mm
Figure 9.9
Ecological Climatology © 2008 G. Bonan
0 10 20 30 40 50 60 70 80 90 100
Soil Water (Percent Saturation)
Hyd
raul
ic C
ondu
ctiv
ity (
mm
hou
r-1)
Sand
Sandy loam
Loam
Clay loam
Clay
Figure 9.10
10-7
10-6
10-5
10-4
10-3
10-2
100
10-1
101
102
103
Ecological Climatology © 2008 G. Bonan
200
250
300
350
400
450
500
0 3 6 9 12 15 18 21 24
Time (hours)
Soi
l Wat
er (
mm
)
Sand Sandy loam Loam Clay loam Clay
Figure 9.11
Ecological Climatology © 2008 G. Bonan