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Forest Change Detection and Monitoring
Submitted by:
Alina Ale
Ganesh Thapa
Prajems Shrestha
Prem Bahadur Shahi
Samir Thapa
Submitted to:
Jeetendra Gautam
Assistant Professor
Faculty of Forestry
Assignment Presentation
Land Use Land Cover Change in Hetauda
Sub-Metropoliton City
2
Flow Chart
Map of
Study
Area
LULC
Data
Clipped
LULC data
for Study
Area
Change
Matrix /
LULC
Change
Map
Reclassify
Raster
Calculator
3
https://download.hermes.com.np/nepal-administrative-
boundary-wgs/
• level-0: Nepal National Boundary
• level-1: Provincial Boundary
• level-2: District Boundary
• level-3: Palika Boundary
• level-4: Ward Boundary
Download Map of Nepal
4
Download LULC Map (2008 and 2018)
• http://rds.icimod.org/Home/DataDetail?metadataId=1972729
Add Map of Nepal
5
Add Data
6
Select Study Area
Export Study Area
7
Add LULC Data
8
9
Project LULC
Tools: Project Raster
Clip AOI (Study Area)
10
11
Reclassify
Reclassify Clipped data as
• Water = 1
• Forest = 2
• Riverbed = 3
• Built-up = 4
• Cropland = 5
• Grassland = 6
• OWL = 7
12
Reclassify
13
Calculate Change Matrix
LC 2018 * 1000 – LC 2008
Tools: Raster Calculator
Design of LULC Change Matrix
7 6 5 4 3 2 1 1 Water
1*1000 993 994 995 996 997 998 999 2 Forest
2*1000 1993 1994 1995 1996 1997 1998 1999 3 Riverbed
3*1000 2993 2994 2995 2996 2997 2998 2999 4 Build Up
4*1000 3993 3994 3995 3996 3997 3998 3999 5 Cropland
5*1000 4993 4994 4995 4996 4997 4998 4999 6 Grassland
6*1000 5993 5994 5995 5996 5997 5998 5999 7 OWL
7*1000 6993 6994 6995 6996 6997 6998 6999
2008
2018
14
993 1000 water 1000-993 7 OWL
1995 2000 Forest 2000-1995 5 Cropland
2997 3000 Riverbed 3000-2997 3 Riverbed
5996 6000 Grassland 6000-5996 4 Build-up
6994 7000 OWL 7000-6994 6 Grassland
2018 2008
15
Clip with use input Feature
Change Matrix
16
17
Add Area Field
Area (ha.) = Count * 30 * 30 / 10000
18
Export data to Excel
Tools: Table to Excel
19
Tabulation of data (Area)
20
LULC Change Matrix
Total Area 26168.76
Unchanged area 24033.69
Changed Area 2135.07
OWL Grassland Cropland Build Up Riverbed Forest Water
7 6 5 4 3 2 1 Area in 2018 (ha.)
Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90 48.33
Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99 13435.11
Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08 904.95
Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36 879.39
Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63 10721.97
Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36 106.74
OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45 72.27
Area in 2008 (ha.) 78.75 174.69 11443.95 262.53 1180.35 13005.72 22.77 26168.76
2008
2018
21
Change Symbology
OWL Grassland Cropland Build Up Riverbed Forest Water
Water 993 994 995 996 997 998 999
Forest 1993 1994 1995 1996 1997 1998 1999
Riverbed 2993 2994 2995 2996 2997 2998 2999
Build Up 3993 3994 3995 3996 3997 3998 3999
Cropland 4993 4994 4995 4996 4997 4998 4999
Grassland 5993 5994 5995 5996 5997 5998 5999
OWL 6993 6994 6995 6996 6997 6998 6999
2008
2018
22
OWL Grassland Cropland Build Up Riverbed Forest Water
7 6 5 4 3 2 1
Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90
Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99
Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08
Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36
Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63
Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36
OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45
2008
23
Total area in 2008 (ha.) 22.77
Total area in 2018 (ha.) 48.33
Unchanged Area (ha.) 18.90
Increased area (ha.) 29
Decreased Area (ha.) 3.87
Total Change (ha.) 25.56
Change % 112.25
Water
24
OWL Grassland Cropland Build Up Riverbed Forest Water
7 6 5 4 3 2 1
Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90
Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99
Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08
Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36
Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63
Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36
OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45
2008
Total area in 2008 (ha.) 13005.72
Total area in 2018 (ha.) 13435.11
Unchanged Area (ha.) 12672.18
Increased area (ha.) 762.93
Decreased Area (ha.) 333.54
Total Change (ha.) 429.39
Change % 3.30
Forest
25
OWL Grassland Cropland Build Up Riverbed Forest Water
7 6 5 4 3 2 1
Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90
Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99
Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08
Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36
Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63
Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36
OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45
2008
Total area in 2008 (ha.) 1180.35
Total area in 2018 (ha.) 904.95
Unchanged Area (ha.) 872.37
Increased area (ha.) 32.58
Decreased Area (ha.) 307.98
Total Change (ha.) -275.40
Change % -23.33
Riverbed
26
OWL Grassland Cropland Build Up Riverbed Forest Water
7 6 5 4 3 2 1
Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90
Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99
Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08
Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36
Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63
Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36
OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45
2008
Total area in 2008 (ha.) 262.53
Total area in 2018 (ha.) 879.39
Unchanged Area (ha.) 246.69
Increased area (ha.) 632.70
Decreased Area (ha.) 15.84
Total Change (ha.) 616.86
Change % 234.97
Build Up
27
OWL Grassland Cropland Build Up Riverbed Forest Water
7 6 5 4 3 2 1
Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90
Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99
Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08
Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36
Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63
Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36
OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45
2008
Total area in 2008 (ha.) 11443.95
Total area in 2018 (ha.) 10721.97
Unchanged Area (ha.) 10134.45
Increased area (ha.) 290.25
Decreased Area (ha.) 1309.50
Total Change (ha.) -1019.25
Change % -8.91
Cropland
28
OWL Grassland Cropland Build Up Riverbed Forest Water
7 6 5 4 3 2 1
Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90
Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99
Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08
Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36
Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63
Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36
OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45
2008
Total area in 2008 (ha.) 174.69
Total area in 2018 (ha.) 106.74
Unchanged Area (ha.) 80.73
Increased area (ha.) 26.01
Decreased Area (ha.) 93.96
Total Change (ha.) -67.95
Change % -38.90
Grassland
29
OWL Grassland Cropland Build Up Riverbed Forest Water
7 6 5 4 3 2 1
Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90
Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99
Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08
Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36
Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63
Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36
OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45
2008
Total area in 2008 (ha.) 78.75
Total area in 2018 (ha.) 72.27
Unchanged Area (ha.) 8.37
Increased area (ha.) 63.90
Decreased Area (ha.) 70
Total Change (ha.) -6.48
Change % -8.23
OWL
Summary
30
OWL Grassland Cropland Build Up Riverbed Forest Water
Total area in 2008 (ha.) 78.75 174.69 11443.95 262.53 1180.35 13005.72 22.77
Total area in 2018 (ha.) 72.27 106.74 10721.97 879.39 904.95 13435.11 48.33
Unchanged Area (ha.) 8.37 80.73 10134.45 246.69 872.37 12672.18 18.90
Increased area (ha.) 63.90 26.01 290.25 632.70 32.58 762.93 29
Decreased Area (ha.) 70 93.96 1309.50 15.84 307.98 333.54 3.87
Total Change (ha.) -6.48 -67.95 -1019.25 616.86 -275.40 429.39 25.56
Change % -8.23 -38.90 -8.91 234.97 -23.33 3.30 112.25
31

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Land Use Land Cover Change using GIS.pptx

  • 1. Forest Change Detection and Monitoring Submitted by: Alina Ale Ganesh Thapa Prajems Shrestha Prem Bahadur Shahi Samir Thapa Submitted to: Jeetendra Gautam Assistant Professor Faculty of Forestry Assignment Presentation Land Use Land Cover Change in Hetauda Sub-Metropoliton City
  • 2. 2 Flow Chart Map of Study Area LULC Data Clipped LULC data for Study Area Change Matrix / LULC Change Map Reclassify Raster Calculator
  • 3. 3 https://download.hermes.com.np/nepal-administrative- boundary-wgs/ • level-0: Nepal National Boundary • level-1: Provincial Boundary • level-2: District Boundary • level-3: Palika Boundary • level-4: Ward Boundary Download Map of Nepal
  • 4. 4 Download LULC Map (2008 and 2018) • http://rds.icimod.org/Home/DataDetail?metadataId=1972729
  • 5. Add Map of Nepal 5 Add Data
  • 10. Clip AOI (Study Area) 10
  • 11. 11 Reclassify Reclassify Clipped data as • Water = 1 • Forest = 2 • Riverbed = 3 • Built-up = 4 • Cropland = 5 • Grassland = 6 • OWL = 7
  • 13. 13 Calculate Change Matrix LC 2018 * 1000 – LC 2008 Tools: Raster Calculator
  • 14. Design of LULC Change Matrix 7 6 5 4 3 2 1 1 Water 1*1000 993 994 995 996 997 998 999 2 Forest 2*1000 1993 1994 1995 1996 1997 1998 1999 3 Riverbed 3*1000 2993 2994 2995 2996 2997 2998 2999 4 Build Up 4*1000 3993 3994 3995 3996 3997 3998 3999 5 Cropland 5*1000 4993 4994 4995 4996 4997 4998 4999 6 Grassland 6*1000 5993 5994 5995 5996 5997 5998 5999 7 OWL 7*1000 6993 6994 6995 6996 6997 6998 6999 2008 2018 14 993 1000 water 1000-993 7 OWL 1995 2000 Forest 2000-1995 5 Cropland 2997 3000 Riverbed 3000-2997 3 Riverbed 5996 6000 Grassland 6000-5996 4 Build-up 6994 7000 OWL 7000-6994 6 Grassland 2018 2008
  • 15. 15 Clip with use input Feature
  • 17. 17 Add Area Field Area (ha.) = Count * 30 * 30 / 10000
  • 18. 18 Export data to Excel Tools: Table to Excel
  • 20. 20 LULC Change Matrix Total Area 26168.76 Unchanged area 24033.69 Changed Area 2135.07 OWL Grassland Cropland Build Up Riverbed Forest Water 7 6 5 4 3 2 1 Area in 2018 (ha.) Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90 48.33 Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99 13435.11 Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08 904.95 Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36 879.39 Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63 10721.97 Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36 106.74 OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45 72.27 Area in 2008 (ha.) 78.75 174.69 11443.95 262.53 1180.35 13005.72 22.77 26168.76 2008 2018
  • 22. OWL Grassland Cropland Build Up Riverbed Forest Water Water 993 994 995 996 997 998 999 Forest 1993 1994 1995 1996 1997 1998 1999 Riverbed 2993 2994 2995 2996 2997 2998 2999 Build Up 3993 3994 3995 3996 3997 3998 3999 Cropland 4993 4994 4995 4996 4997 4998 4999 Grassland 5993 5994 5995 5996 5997 5998 5999 OWL 6993 6994 6995 6996 6997 6998 6999 2008 2018 22
  • 23. OWL Grassland Cropland Build Up Riverbed Forest Water 7 6 5 4 3 2 1 Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90 Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99 Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08 Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36 Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63 Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36 OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45 2008 23 Total area in 2008 (ha.) 22.77 Total area in 2018 (ha.) 48.33 Unchanged Area (ha.) 18.90 Increased area (ha.) 29 Decreased Area (ha.) 3.87 Total Change (ha.) 25.56 Change % 112.25 Water
  • 24. 24 OWL Grassland Cropland Build Up Riverbed Forest Water 7 6 5 4 3 2 1 Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90 Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99 Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08 Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36 Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63 Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36 OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45 2008 Total area in 2008 (ha.) 13005.72 Total area in 2018 (ha.) 13435.11 Unchanged Area (ha.) 12672.18 Increased area (ha.) 762.93 Decreased Area (ha.) 333.54 Total Change (ha.) 429.39 Change % 3.30 Forest
  • 25. 25 OWL Grassland Cropland Build Up Riverbed Forest Water 7 6 5 4 3 2 1 Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90 Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99 Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08 Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36 Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63 Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36 OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45 2008 Total area in 2008 (ha.) 1180.35 Total area in 2018 (ha.) 904.95 Unchanged Area (ha.) 872.37 Increased area (ha.) 32.58 Decreased Area (ha.) 307.98 Total Change (ha.) -275.40 Change % -23.33 Riverbed
  • 26. 26 OWL Grassland Cropland Build Up Riverbed Forest Water 7 6 5 4 3 2 1 Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90 Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99 Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08 Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36 Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63 Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36 OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45 2008 Total area in 2008 (ha.) 262.53 Total area in 2018 (ha.) 879.39 Unchanged Area (ha.) 246.69 Increased area (ha.) 632.70 Decreased Area (ha.) 15.84 Total Change (ha.) 616.86 Change % 234.97 Build Up
  • 27. 27 OWL Grassland Cropland Build Up Riverbed Forest Water 7 6 5 4 3 2 1 Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90 Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99 Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08 Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36 Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63 Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36 OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45 2008 Total area in 2008 (ha.) 11443.95 Total area in 2018 (ha.) 10721.97 Unchanged Area (ha.) 10134.45 Increased area (ha.) 290.25 Decreased Area (ha.) 1309.50 Total Change (ha.) -1019.25 Change % -8.91 Cropland
  • 28. 28 OWL Grassland Cropland Build Up Riverbed Forest Water 7 6 5 4 3 2 1 Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90 Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99 Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08 Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36 Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63 Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36 OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45 2008 Total area in 2008 (ha.) 174.69 Total area in 2018 (ha.) 106.74 Unchanged Area (ha.) 80.73 Increased area (ha.) 26.01 Decreased Area (ha.) 93.96 Total Change (ha.) -67.95 Change % -38.90 Grassland
  • 29. 29 OWL Grassland Cropland Build Up Riverbed Forest Water 7 6 5 4 3 2 1 Water 1 0 1.89 2.16 0.18 24.48 0.72 18.90 Forest 2 37.71 42.48 675.45 0.36 5.94 12672.18 0.99 Riverbed 3 0.09 1.44 28.44 0.36 872.37 1.17 1.08 Build Up 4 0 0 565.83 246.69 61.92 4.59 0.36 Cropland 5 31.95 44.46 10134.45 14.94 213.84 281.70 0.63 Grassland 6 0.63 80.73 4.86 0 1.53 18.63 0.36 OWL 7 8.37 3.69 32.76 0 0.27 26.73 0.45 2008 Total area in 2008 (ha.) 78.75 Total area in 2018 (ha.) 72.27 Unchanged Area (ha.) 8.37 Increased area (ha.) 63.90 Decreased Area (ha.) 70 Total Change (ha.) -6.48 Change % -8.23 OWL
  • 30. Summary 30 OWL Grassland Cropland Build Up Riverbed Forest Water Total area in 2008 (ha.) 78.75 174.69 11443.95 262.53 1180.35 13005.72 22.77 Total area in 2018 (ha.) 72.27 106.74 10721.97 879.39 904.95 13435.11 48.33 Unchanged Area (ha.) 8.37 80.73 10134.45 246.69 872.37 12672.18 18.90 Increased area (ha.) 63.90 26.01 290.25 632.70 32.58 762.93 29 Decreased Area (ha.) 70 93.96 1309.50 15.84 307.98 333.54 3.87 Total Change (ha.) -6.48 -67.95 -1019.25 616.86 -275.40 429.39 25.56 Change % -8.23 -38.90 -8.91 234.97 -23.33 3.30 112.25
  • 31. 31