91
Alternatif Bobot Lokal Bobot Global
a12 Waduk Cimulya 0,060
0,0060
a13 Waduk Cimara
0,117 0,0117
a14 Waduk Cigalagah 0,157
0,0157
a15 Waduk Haur Kuning
0,077 0,0077
Sumber : Analisa, 2011
5. 3. 8. Perhitungan Alternatif Terhadap Sub Kriteria Laju Erosi- Sedimentasi Spesifik
Perhitungan alternatif dilakukan berdasarkan data yang diperoleh dari penelitian sebelumnya. Data yang ada kemudian dibandingkan satu sama lain
sebagai mana pada Tabel 5.35 di bawah ini. Tabel 5.35. Perhitungan Perbandingan Berpasangan Alternatif Terhadap Sub
Kriteria Laju Erosi-Sedimentasi Spesifik.
No Perbandin
gan Data
Lebih Baik
Rasio Perbandingan
Hasil Perbandingan A
B A
B Pilihan
Nilai Pairwise
Keterangan 1
a1 a2
79,230 35,650
B 2,222
B 3
2 a1
a3 79,230
27,430 B
2,888 B
4
3
a1 a4
79,230 60,330
B 1,313
B 1
4 a1
a5 79,230
49,920 B
1,587 B
2
5
a1 a6
79,230 95,340
A 1,203
A 1
6 a1
a7 79,230
71,020 B
1,116 B
1
7
a1 a8
79,230 74,150
B 1,069
B 1
8 a1
a9 79,230
73,230 B
1,082 B
1
9
a1 a10
79,230 47,340
B 1,674
B 2
10 a1
a11 79,230
60,630 B
1,307 B
1
11
a1 a12
79,230 58,460
B 1,355
B 1
12 a1
a13 79,230
34,980 B
2,265 B
3
13
a1 a14
79,230 177,340
A 2,238
A 3
14 a1
a15 79,230
85,390 A
1,078 A
1
15
a2 a3
35,650 27,430
B 1,300
B 1
16 a2
a4 35,650
60,330 A
1,692 A
2
17
a2 a5
35,650 49,920
A 1,400
A 2
18 a2
a6 35,650
95,340 A
2,674 A
3
19
a2 a7
35,650 71,020
A 1,992
A 2
20 a2
a8 35,650
74,150 A
2,080 A
2
21
a2 a9
35,650 73,230
A 2,054
A 2
22 a2
a10 35,650
47,340 A
1,328 A
1
23
a2 a11
35,650 60,630
A 1,701
A 2
24 a2
a12 35,650
58,460 A
1,640 A
2
25
a2 a13
35,650 34,980
B 1,019
B 1
26 a2
a14 35,650
177,340 A
4,974 A
6
92
No Perbandin
gan Data
Lebih Baik
Rasio Perbandingan
Hasil Perbandingan A
B A
B Pilihan
Nilai Pairwise
Keterangan 27
a2 a15
35,650 85,390
A 2,395
A 3
28 a3
a4 27,430
60,330 A
2,199 A
3
29 a3
a5 27,430
49,920 A
1,820 A
2
30 a3
a6 27,430
95,340 A
3,476 A
4
31 a3
a7 27,430
71,020 A
2,589 A
3
32 a3
a8 27,430
74,150 A
2,703 A
3
33
a3 a9
27,430 73,230
A 2,670
A 3
34 a3
a10 27,430
47,340 A
1,726 A
2
35 a3
a11 27,430
60,630 A
2,210 A
3
36 a3
a12 27,430
58,460 A
2,131 A
3
37 a3
a13 27,430
34,980 A
1,275 A
1
38 a3
a14 27,430
177,340 A
6,465 A
8
39
a3 a15
27,430 85,390
A 3,113
A 4
40 a4
a5 60,330
49,920 B
1,209 B
1
41 a4
a6 60,330
95,340 A
1,580 A
2
42 a4
a7 60,330
71,020 A
1,177 A
1
43 a4
a8 60,330
74,150 A
1,229 A
1
44 a4
a9 60,330
73,230 A
1,214 A
1
45
a4 a10
60,330 47,340
B 1,274
B 1
46 a4
a11 60,330
60,630 A
1,005 A
1
47 a4
a12 60,330
58,460 B
1,032 B
1
48 a4
a13 60,330
34,980 B
1,725 B
2
49 a4
a14 60,330
177,340 A
2,939 A
4
50 a4
a15 60,330
85,390 A
1,415 A
2
51
a5 a6
49,920 95,340
A 1,910
A 2
52 a5
a7 49,920
71,020 A
1,423 A
2
53 a5
a8 49,920
74,150 A
1,485 A
2
54 a5
a9 49,920
73,230 A
1,467 A
2
55 a5
a10 49,920
47,340 B
1,054 B
1
56 a5
a11 49,920
60,630 A
1,215 A
1
57
a5 a12
49,920 58,460
A 1,171
A 1
58 a5
a13 49,920
34,980 B
1,427 B
2
59 a5
a14 49,920
177,340 A
3,552 A
4
60 a5
a15 49,920
85,390 A
1,711 A
2
61 a6
a7 95,340
71,020 B
1,342 B
1
62 a6
a8 95,340
74,150 B
1,286 B
1
63
a6 a9
95,340 73,230
B 1,302
B 1
64 a6
a10 95,340
47,340 B
2,014 B
2
65 a6
a11 95,340
60,630 B
1,572 B
2
66 a6
a12 95,340
58,460 B
1,631 B
2
67 a6
a13 95,340
34,980 B
2,726 B
3
68 a6
a14 95,340
177,340 A
1,860 A
2
69
a6 a15
95,340 85,390
B 1,117
B 1
70 a7
a8 71,020
74,150 A
1,044 A
1
71 a7
a9 71,020
73,230 A
1,031 A
1
72 a7
a10 71,020
47,340 B
1,500 B
2
73 a7
a11 71,020
60,630 B
1,171 B
1
74 a7
a12 71,020
58,460 B
1,215 B
1
Tabel 5.35. lanjutan
93
No Perbandin
gan Data
Lebih Baik
Rasio Perbandingan
Hasil Perbandingan A
B A
B Pilihan
Nilai Pairwise
Keterangan 75
a7 a13
71,020 34,980
B 2,030
B 2
76 a7
a14 71,020
177,340 A
2,497 A
3
77 a7
a15 71,020
85,390 A
1,202 A
1
78 a8
a9 74,150
73,230 B
1,013 B
1
79 a8
a10 74,150
47,340 B
1,566 B
2
80 a8
a11 74,150
60,630 B
1,223 B
1
81
a8 a12
74,150 58,460
B 1,268
B 1
82 a8
a13 74,150
34,980 B
2,120 B
2
83 a8
a14 74,150
177,340 A
2,392 A
3
84 a8
a15 74,150
85,390 A
1,152 A
1
85 a9
a10 73,230
47,340 B
1,547 B
2
86 a9
a11 73,230
60,630 B
1,208 B
1
87
a9 a12
73,230 58,460
B 1,253
B 1
88 a9
a13 73,230
34,980 B
2,093 B
2
89 a9
a14 73,230
177,340 A
2,422 A
3
90 a9
a15 73,230
85,390 A
1,166 A
1
91 a10
a11 47,340
60,630 A
1,281 A
1
92 a10
a12 47,340
58,460 A
1,235 A
1
93
a10 a13
47,340 34,980
B 1,353
B 1
94 a10
a14 47,340
177,340 A
3,746 A
5
95 a10
a15 47,340
85,390 A
1,804 A
2
96 a11
a12 60,630
58,460 B
1,037 B
1
97 a11
a13 60,630
34,980 B
1,733 B
2
98 a11
a14 60,630
177,340 A
2,925 A
4
99
a11 a15
60,630 85,390
A 1,408
A 2
100 a12
a13 58,460
34,980 B
1,671 B
2
101 a12
a14 58,460
177,340 A
3,034 A
4
102 a12
a15 58,460
85,390 A
1,461 A
2
103 a13
a14 34,980
177,340 A
5,070 A
6
104 a13
a15 34,980
85,390 A
2,441 A
3
105
a14 a15
177,340 85,390
B 2,077
B 2
Sumber : Analisa, 2011
Dari hasil perhitungan perbandingan berpasangan pada Tabel 5.35 maka dapat disusun matriks perbandingan berpasangan untuk alternatif terhadap sub kriteria
debit banjir rencana sebagaimana pada Tabel 5.36. Tabel 5.35. lanjutan
94 Tabel 5.36. Matriks Perbandingan Berpasangan Alternatif Terhadap Sub
Kriteria Laju Erosi-Sedimentasi Spesifik
a1 a2
a3 a4
a5 a6
a7 a8
a9 a10
a11 a12
a13 a14
a15 a1
1,000 0,333
0,250 1,000
0,500 1,000
1,000 1,000
1,000 0,500
1,000 1,000
0,333 3,000
1,000
a2
3,000 1,000
1,000 2,000
2,000 3,000
2,000 2,000
2,000 1,000
2,000 2,000
1,000 6,000
3,000
a3 4,000
1,000 1,000
3,000 2,000
4,000 3,000
3,000 3,000
2,000 3,000
3,000 1,000
8,000 4,000
a4 1,000
0,500 0,333
1,000 1,000
2,000 1,000
1,000 1,000
1,000 1,000
1,000 0,500
4,000 2,000
a5 2,000
0,500 0,500
1,000 1,000
2,000 2,000
2,000 2,000
1,000 1,000
1,000 0,500
4,000 2,000
a6
1,000 0,333
0,250 0,500
0,500 1,000
1,000 1,000
1,000 0,500
0,500 0,500
0,333 2,000
1,000
a7 1,000
0,500 0,333
1,000 0,500
1,000 1,000
1,000 1,000
0,500 1,000
1,000 0,500
3,000 1,000
a8
1,000 0,500
0,333 1,000
0,500 1,000
1,000 1,000
1,000 0,500
1,000 1,000
0,500 3,000
1,000
a9 1,000
0,500 0,333
1,000 0,500
1,000 1,000
1,000 1,000
0,500 1,000
1,000 0,500
3,000 1,000
a10 2,000
1,000 0,500
1,000 1,000
2,000 2,000
2,000 2,000
1,000 1,000
1,000 1,000
5,000 2,000
a11 1,000
0,500 0,333
1,000 1,000
2,000 1,000
1,000 1,000
1,000 1,000
1,000 0,500
4,000 2,000
a12
1,000 0,500
0,333 1,000
1,000 2,000
1,000 1,000
1,000 1,000
1,000 1,000
0,500 4,000
2,000
a13 3,000
1,000 1,000
2,000 2,000
3,000 2,000
2,000 2,000
1,000 2,000
2,000 1,000
6,000 3,000
a14
0,333 0,167
0,125 0,250
0,250 0,500
0,333 0,333
0,333 0,200
0,250 0,250
0,167 1,000
0,500
a15 1,000
0,333 0,250
0,500 0,500
1,000 1,000
1,000 1,000
0,500 0,500
0,500 0,333
2,000 1,000
Sumber : Analisa, 2011
Setelah dilakukan perhitungan eigen vektor, diperoleh bobot lokal untuk kelima belas alternatif, yang kemudian dikalikan dengan bobot sub kriteria Laju Erosi-
Sedimentasi Spesifik untuk memperoleh bobot global sebagai mana pada Tabel 5.37.
Tabel 5.37. Bobot Alternatif Terhadap Sub Kriteria Laju Erosi-Sedimentasi Spesifik
Alternatif Bobot Lokal Bobot Global
a1
Waduk Seuseupan 0,045
0,0023
a2 Waduk Cihirup Cipanundan
0,114 0,0057
a3 Waduk Masigit
0,151 0,0076
a4 Waduk Maneungteung
0,060 0,0030
a5
Waduk Gunungkarung 0,074
0,0037
a6 Waduk Cihowe
0,038 0,0019
a7
Waduk Peucang 0,049
0,0024
a8 Waduk Dukuhbadag
0,049 0,0024
a9 Waduk Cileuweung
0,049 0,0024
a10 Waduk Ciwaru 0,082
0,0041
a11 Waduk Ciniru
0,060 0,0030
a12 Waduk Cimulya 0,060
0,0030
95
Alternatif Bobot Lokal Bobot Global
a13 Waduk Cimara 0,114
0,0057
a14 Waduk Cigalagah
0,017 0,0008
a15 Waduk Haur Kuning 0,038
0,0019 Sumber : Analisa, 2011
5. 3. 9. Perhitungan Alternatif Terhadap Sub Kriteria Luas Genangan Relatif
