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Table 4 Refined If-Then rules from the linguistic land degradation datasets via RST using JMAF software for FIS implementation

From: A hybrid approach of rough-fuzzy inference system for land degradation susceptibility mapping (case study: Khanmirza agricultural plain-Iran)

No

 

Content

 

LV

 

Content

 

LV

 

Content

   

Content

  

Then

LD Susceptibility

LVa

 

1

If

(EC

>=

Very high)

&

(IWQI

>=

High)

        

=>

(Decision

>=

Very high)

2

If

(ChangeLevel

>=

High)

&

(Erosion

>=

Very high)

        

=>

(Decision

>=

Very high)

3

If

(NDVI

>=

Very high)

&

(IWQI

>=

High)

        

=>

(Decision

>=

Very high)

4

If

(EC

>=

High)

&

(ChangeLevel

>=

Very high)

        

=>

(Decision

>=

Very high)

5

If

(IWQI

>=

Very high)

            

=>

(Decision

>=

High)

6

If

(EC

>=

Low)

&

(Slope

>=

Very high)

        

=>

(Decision

>=

High)

7

If

(Slope

>=

Very high)

&

(ChangeLevel

>=

High)

        

=>

(Decision

>=

High)

8

If

(NDVI

>=

Very high)

&

(ChangeLevel

>=

High)

        

=>

(Decision

>=

High)

9

If

(NDVI

>=

Very high)

&

(Slope

>=

Moderate)

        

=>

(Decision

>=

High)

10

If

(NDVI

>=

High)

&

(Slope

>=

High)

        

=>

(Decision

>=

High)

11

If

(Slope

>=

High)

            

=>

(Decision

>=

Moderate)

12

If

(ChangeLevel

>=

Very high)

            

=>

(Decision

>=

Moderate)

13

If

(NDVI

>=

High)

&

(ChangeLevel

>=

Moderate)

        

=>

(Decision

>=

Moderate)

14

If

(NDVI

>=

Moderate)

&

(IWQI

>=

Low)

        

=>

(Decision

>=

Moderate)

15

If

(NDVI

>=

Low)

&

(IWQI

>=

Low)

&

(Erosion

>=

Moderate)

    

=>

(Decision

>=

Moderate)

16

If

(EC

>=

Low)

&

(Slope

>=

Moderate)

&

(ChangeLevel

>=

Moderate)

    

=>

(Decision

>=

Moderate)

17

If

(ChangeLevel

>=

Moderate)

            

=>

(Decision

>=

Low)

18

If

(EC

>=

Moderate)

            

=>

(Decision

>=

Low)

19

If

(NDVI

>=

Moderate)

&

(ChangeLevel

>=

Low)

        

=>

(Decision

>=

Low)

20

If

(NDVI

>=

Moderate)

&

(Erosion

>=

Moderate)

        

=>

(Decision

>=

Low)

21

If

(NDVI

<=

Very low)

&

(EC

<=

Low)

        

=>

(Decision

<=

Very low)

22

If

(Slope

<=

Very low)

&

(ChangeLevel

<=

Very low)

        

=>

(Decision

<=

Very low)

23

If

(EC

<=

Very low)

&

(Erosion

<=

Low)

        

=>

(Decision

<=

Very low)

24

If

(ChangeLevel

<=

Very low)

            

=>

(Decision

<=

Low)

25

If

(NDVI

<=

Low)

&

(Slope

<=

Low)

&

(Erosion

<=

Low)

    

=>

(Decision

<=

Low)

26

If

(EC

<=

Very low)

&

(Slope

<=

Moderate)

&

(IWQI

<=

Very low)

    

=>

(Decision

<=

Low)

27

If

(Slope

<=

Low)

&

(IWQI

<=

Very low)

&

(ChangeLevel

<=

High)

&

(Erosion

<=

Moderate)

=>

(Decision

<=

Low)

28

If

(NDVI

<=

Low)

&

(IWQI

<=

Moderate)

        

=>

(Decision

<=

Moderate)

29

If

(IWQI

<=

Very low)

&

(ChangeLevel

<=

Moderate)

        

=>

(Decision

<=

Moderate)

30

If

(Slope

<=

Low)

&

(IWQI

<=

Moderate)

&

(ChangeLevel

<=

High)

    

=>

(Decision

<=

Moderate)

31

If

(NDVI

<=

Moderate)

&

(EC

<=

Moderate)

&

(Slope

<=

High)

&

(IWQI

<=

Moderate)

=>

(Decision

<=

Moderate)

32

If

(NDVI

<=

High)

&

(EC

<=

Moderate)

&

(Slope

<=

Low)

&

(IWQI

<=

High)

=>

(Decision

<=

Moderate)

33

If

(NDVI

<=

Moderate)

&

(Slope

<=

Low)

&

(IWQI

<=

High)

&

(ChangeLevel

<=

Moderate)

=>

(Decision

<=

Moderate)

34

If

(NDVI

<=

High)

&

(IWQI

<=

Low)

        

=>

(Decision

<=

High)

35

If

(IWQI

<=

Moderate)

&

(ChangeLevel

<=

Moderate)

        

=>

(Decision

<=

High)

36

If

(EC

<=

Moderate)

&

(IWQI

<=

Moderate)

&

(Erosion

<=

Moderate)

    

=>

(Decision

<=

High)

37

If

(NDVI

<=

High)

&

(EC

<=

Moderate)

&

(Erosion

<=

Moderate)

    

=>

(Decision

<=

High)

38

If

(NDVI

<=

Moderate)

&

(EC

<=

High)

&

(ChangeLevel

<=

Moderate)

    

=>

(Decision

<=

High)

  1. aLinguistic Variables