Precipitation Interception

Precipitation Interception - Description

Throughfall Stemflow Evaporation Transpiration Evaporation Ocean Lake Ground water Overland flow Return flow Infiltration Redistribution Evaporation Snow pack Percolation Capillary ID: 631176 Download Presentation

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Precipitation Interception

Published bymitsue-stanley

Throughfall. Stemflow. Evaporation. Transpiration. Evaporation. Ocean . Lake. . Ground water. Overland. flow. Return. flow. Infiltration. Redistribution. Evaporation. Snow pack. Percolation. Capillary.

Tags : 2008 100 300 climatology 100 2008 climatology 300 figure 200 bonan 150 250 ecological water 350 infiltration rainfall jan
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Precipitation Interception




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Presentation on theme: "Precipitation Interception"— Presentation transcript:

Slide1

Precipitation

Interception

Throughfall

Stemflow

Evaporation

Transpiration

Evaporation

Ocean

Lake

Ground water

Overland

flow

Return

flow

Infiltration

Redistribution

Evaporation

Snow pack

Percolation

Capillary

rise

Depression storage

Interflow

Wetland

Plant uptake

Overland flow

Soil water

Figure 11.1

Ecological Climatology © 2008 G. Bonan

Slide2

0

5

10

15

20

25

30

35

40

45

50

0

5

10

15

20

25

30

35

40

45

50

Storm Rainfall (mm)

Water Flux (mm)

0

1

2

3

4

5

6

7

8

9

10

Interception (mm)

Rainfall

Throughfall

Throughfall

Stemflow

Stemflow

Interception

Interception

Full leaf

Leafless

Figure 11.2

Ecological Climatology © 2008 G. Bonan

Slide3

0.0

0.5

1.0

1.5

2.0

2.5

Jan-94

Jan-95

Jan-96

Jan-97

Jan-98

Evapotranspiration (mm per day)

0

200

400

600

800

Cumulative (mm)

Boreal Spruce

Forest

1

2

3

4

5

6

90

120

150

180

210

Day of Year

Evapotranspiration (mm per day)

0

100

200

300

400

500

Cumulative (mm)

Tropical Rainforest

0

1

2

3

4

5

6

7

120

150

180

210

240

270

300

Day of Year

Evapotranspiration (mm per day)

0

100

200

300

400

500

600

700

Cumulative (mm)

Temperate Grassland

Figure 11.3

Ecological Climatology © 2008 G. Bonan

Slide4

0.08

0.09

0.100.110.120.130.140.15Volumetric Soil Moisture-0.2-0.4-0.6-0.8-1.0-1.2-1.4-1.6-1.80.0Foliage Water Potential (MPa)Figure 11.4Ecological Climatology © 2008 G. Bonan

Slide5

Figure 11.5Ecological Climatology © 2008 G. Bonan

Slide6

0

10

20

30

40

50

60

70

80

90

0

10

20

30

40

50

60

Time (minutes)

Cumulative Infiltration, I (mm)

0.00

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0.09

Infiltration Rate,

i

(mm per second)

I (mm)

i

(mm/s)

Figure 11.6

0

20

40

60

80

100

120

140

160

0

10

20

30

40

50

60

Time (minutes)

Cumulative Infiltration, I (mm)

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

Infiltration Rate,

i

(mm per second)

I (mm)

i

(mm/s)

Ecological Climatology © 2008 G. Bonan

Slide7

0.001

0.01

0.1

1

0

10

20

30

40

50

60

Time (minutes)

Infiltration Rate (mm per second)

Sand

Sandy loam

Loam

Clay loam

Clay

Figure 11.7

Ecological Climatology © 2008 G. Bonan

Slide8

0

50

100

150

200

250

300

350

0

50

100

150

200

250

300

350

24 Hour Rainfall (mm)

Runoff (mm)

CN 30

CN 40

CN 50

CN 60

CN 70

CN 80

CN 90

CN 100

0

50

100

150

200

250

300

350

0

50

100

150

200

250

300

350

24 Hour Rainfall (mm)

Runoff (mm)

Forest

Lawn

Pasture

Crop

Dirt road

Paved road

0

50

100

150

200

250

300

350

0

50

100

150

200

250

300

350

24 Hour Rainfall (mm)

Runoff (mm)

Sands (A)

Loams (B)

Clay loams (C)

Clays (D)

0

50

100

150

200

250

300

350

0

50

100

150

200

250

300

350

24 Hour Rainfall (mm)

Runoff (mm)

Dry

Normal

Wet

Loam, normal soil water

Forest, good litter, normal soil water

Forest, good litter, loam

Figure 11.8

Ecological Climatology © 2008 G. Bonan

Slide9

Impermeable Layer

Groundwater (saturated)

Capillary Fringe (saturated)

Root Zone

(wilting point to

saturation)

saturated during

rain, otherwise

depleted

Intermediate Zone

(field capacity to

saturation)

saturated during

heavy rain

WP

FC

SAT

Water Content

Transpiration

Infiltration

Evaporation

Percolation

Figure 11.9

Ecological Climatology © 2008 G. Bonan

Slide10

Figure 11.10

0

2040

60

80

100

120

140

160

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Monthly Water Flux (mm)

Precipitation

AET

AET=PET

AET=PET

AET<PET

Runoff

Runoff

Ecological Climatology © 2008 G. Bonan

Slide11

Figure 11.11Ecological Climatology © 2008 G. Bonan