Class A pan A 类蒸发皿

Case A: Pan placed in short green cropped area

案例 A：蒸发皿放置在较低矮的绿色作物区域

Case B¹: Pan placed in fallow area

案例 B¹：蒸发皿放置在休耕区

RH mean %

low
< 40

medium 40-70

high > 70

low
< 40

medium 40-70

high
> 70

Wind风速
km/day

Windward side distance of green crop青棵作物迎风面距离
m

Windward side distance of dry fallow保护旱地迎风面距离
m

Light

1

.55

.65

.75

1

.7

.8

.85

< 175

10

.65

.75

.85

10

.6

.7

.8

100

.7

.8

.85

100

.55

.65

.75

1000

.75

.85

.85

1000

.5

.6

.7

Moderate

1

.5

.6

.65

1

.65

.75

.8

175-425

10

.6

.7

.75

10

.55

.65

.7

100

.65

.75

.8

100

.5

.6

.65

1000

.7

.8

.8

1000

.45

.55

.6

Strong

1

.45

.5

.6

1

.6

.65

.7

425-700

10

.55

.6

.65

10

.5

.55

.65

100

.6

.65

.7

100

.45

.5

.6

1000

.65

.7

.75

1000

.4

.45

.55

Very strong

1

.4

.45

.5

1

.5

.6

.65

> 700

10

.45

.55

.6

10

.45

.5

.55

100

.5

.6

.65

100

.4

.45

.5

1000

.55

.6

.65

1000

.35

.4

.45

Class A pan

A类蒸发皿

Case A: Pan placed in cropped short green area

案例 A：蒸发皿放置在较低矮的绿色作物区域

Case B¹: Pan placed in fallow area

案例 B¹：蒸发皿放置在休耕区

RH mean %

low < 40

medium 40-70

high > 70

low < 40

medium 40-70

high
> 70

Wind风 速km/day

Windward side distance of green crop青棵作物迎风面距离 m

Windward side distance of dry fallow保护旱地迎风面距离 m

Light

1

.75

.75

.8

1

1.1

1.1

1.1

< 175

10

1.0

1.0

1.0

10

.85

.85

.85

> 100

1.1

1.1

1.1

100

.75

.75

.8

1000

.7

.7

.75

Moderate

1

.65

.7

.7

1

.95

.95

.95

175-425

10

.85

.85

.9

10

.75

.75

.75

> 100

.95

.95

.95

100

.65

.65

.7

1000

.6

.6

.65

Strong

1

.55

.6

.65

1

.8

.8

.8

425-700

10

.75

.75

.75

10

.65

.65

.65

> 100

.8

.8

.8

100

.55

.6

.65

1000

.5

.55

.6

Very strong

1

.5

.55

.6

1

.7

.75

.75

> 700

10

.65

.7

.7

10

.55

.6

.65

> 100

.7

.75

.75

100

.5

.55

.6

1000

.45

.5

.55