seismik refraksi_metode plus minus

8/10/2019 Seismik Refraksi_Metode Plus Minus

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3 November 2014raktikum Seismik

Refraksi

Metode Plus Minus

Universitas Gadjah MadaGEOFISIKA


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Praktikum Seismik Refraksi Metode Plus Minus

Tugas 1

Lapisan Miring SP1 & SP4

Equation SP1 SP4 Velocity SP1 SP4 Source to Source Time SP1 SP4

Direct Forward y = 3.074x - 7.65 V1 Forward 325.30904 Forward 261.56275

Refract Forward y = 0.9083x + 41.3 V1 Reverse 344.82759 Reverse 243.7545

Direct Reverse y = -2.9x + 703.7 V1 rata-rata 335.06831 Average 252.65863Refract Reverse y = -0.9262x + 246.07 V2 1093.4937

-25

-20

-15

-10

-5

0

0 15 30 45 60 75 90 105 120 135 150 165 180 195 210 225 240

Kedalaman(m)

Jarak (m)

Model Lapisan Lapuk

SP 1 dan SP 4

Lapisan 2

Lapisan 1

y = 3.074x - 7.65

y = 0.9083x + 41.3

y = -2.9x + 703.7

y = -0.9262x + 246.07

0

50

100

150

200

250

300

0 50 100 150 200 250 300

TravelTime(ms)

Distance (m)

Grafik Hubungan T-X SP1 SP 4

Travel Time vs Distance

SP 1 Lapisan 1 SP 1 Lapisan 2 SP 4 Lapisan 1 SP 4 Lapisan 2

y = 0.9108x - 203.04

-300

-200

-100

0

100

200

300

0 100 200 300 400 500 600

Tminus(ms)

2X (m)

Grafik Hubungan SP1 SP4

Tminus vs 2X


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Lapisan Miring SP2 & SP3

Equation SP2 & SP3 Velocity SP2 & SP3

Source to Source Time SP2

& SP3


Refract Forward y = 0.7748x - 29.538 V1 Reverse 324.6753 Reverse 104.68075

Direct Reverse y = -3.08x + 500.5 V1 rata-rata 324.6753 Average 100.501375

Refract Reverse y = -1.1149x +196.66 V2 1060.221

-25

-20

-15

-10

-5

0

85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160

Kedalaman(m)

Jarak (m)

Model Lapisan Lapuk

SP 2 dan SP 3

Lapisan 2

Lapisan 1

y = 0.9492x - 228.33

-100

-50

0

50

100

150 200 250 300 350

Tminus(ms)

2X (m)

Grafik Hubungan SP2 SP3

Tminus vs 2X

y = 3.08x - 254.1

y = 0.7748x - 29.583

y = -3.08x + 500.5

y = -1.1149x + 196.66

0

20

40

60

80

100

120

80 100 120 140 160 180

TravelTime(m)

Distance (m)

Grafik Hubungan T-X SP2 SP 3

Travel Time vs Distance

SP 2 Lapisan 1 SP 2 Lapisan 2 SP 3 Lapisan 1 SP 3 Lapisan 2


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Korelasi

Dari korelasi SP1 & SP 4 dengan SP2 dan SP3 diperoleh hasil seperti gambar diatas. Hasil gamabr diatas tidak berkorelasi dengan baik

pada jarak 85 meter, hal itu dapat diakibatkan oleh beberapa factor, salah satunya adalah kesalahan perhitungan. Factor lain yang dapat

mempengaruhi juga dapat berasal dari kesalahan menentukan data mana yang akan digunakan.


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Tugas 2

Line Handaru_1

Equation Line 1 Velocity Line 1 (m/s) Source to Source Time Line 1 (ms)





-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

0 10 20 30 40 50 60 70 80 90 100 110 120

Kedalama

n(m)

Jarak (m)

Model Lapisan Lapuk

Line Handaru_1

Host

Interface

y = 3.334x - 8.34

y = 1.0497x + 28.231

y = -3.334x + 391.74

y = -0.978x + 150.6

0

20

40

60

80

100

120

140

160

0 50 100 150

TravelTime(ms)

X-Loc (m)

Grafik T-X

Line Handaru_1

Forward 1 Forward 2 Reverse 1 Reverse 2

y = 1.0036x - 121.39

-150

-100

-50

0

50

100

150

0 50 100 150 200 250 300

Tminus(ms)

2X (m)

Grafik T_minus vs 2X

Line Handaru_1


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LINE HANDARU_1

SP Elev X-loc Y-Loc Depth

The spread contains 2 shotpoints and 25 geophones

1 0 2.5 120 0

2 0 117.5 120 0

Geo Elev X-loc Y-Loc SP 1 SP 2 Forward-ms Reverse-ms 2x-ms Tminus-ms Tplus-ms H

1 0 0 120 8.33 150.66 28.635 150.66 0 -122.025 29.43213 -4.62862

2 0 5 120 8.33 145.66 33.8415 145.66 10 -111.8185 29.63863 -4.6611

3 0 10 120 25 140.22 39.048 140.22 20 -101.172 29.40513 -4.62438

4 0 15 120 41.67 135.02 44.2545 135.02 30 -90.7655 29.41163 -4.6254

5 0 20 120 50.08 133.5 50.08 133.5 40 -83.42 33.71713 -5.30256 0 25 120 58 128.97 58 128.97 50 -70.97 37.10713 -5.83562

7 0 30 120 62.53 121.02 62.53 121.02 60 -58.49 33.68713 -5.29778

8 0 35 120 63.54 114.07 63.54 114.07 70 -50.53 27.74713 -4.36363

9 0 40 120 68.95 109.87 68.95 109.87 80 -40.92 28.95713 -4.55392

10 0 45 120 73.26 104.07 73.26 104.07 90 -30.81 27.46713 -4.3196

11 0 50 120 78.61 100.56 78.61 100.56 100 -21.95 29.30713 -4.60896

12 0 55 120 86.5 98.96 86.5 98.96 110 -12.46 35.59713 -5.59816

13 0 60 120 92.64 91.37 92.64 91.37 120 1.27 34.14713 -5.37012

14 0 65 120 94.16 85.16 94.16 85.16 130 9 29.45713 -4.63255

15 0 70 120 100.55 81.6 100.55 81.6 140 18.95 32.28713 -5.07761

16 0 75 120 104.22 75.13 104.22 75.13 150 29.09 29.48713 -4.63727

17 0 80 120 109.42 72.27 109.42 72.27 160 37.15 31.82713 -5.00527

18 0 85 120 117.53 76.97 117.53 76.97 170 40.56 44.63713 -7.01982

19 0 90 120 130.39 70.73 130.39 70.73 180 59.66 51.25713 -8.06091

20 0 95 120 138.31 56.97 138.31 56.97 190 81.34 45.41713 -7.1424921 0 100 120 132.62 49.3 132.62 49.3 200 83.32 32.05713 -5.04144

22 0 105 120 136.21 41.67 136.21 47.9095 210 88.3005 34.25663 -5.38734

23 0 110 120 140.78 25 140.78 43.019 220 97.761 33.93613 -5.33694

24 0 115 120 145.66 8.33 145.66 38.1285 230 107.5315 33.92563 -5.33529

25 0 120 120 150.66 8.33 150.66 33.238 240 117.422 34.03513 -5.35251


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Line Handaru_2

Equation Line 2 Velocity Line 2 Source to Source Time Line 2


Refract orward y = 1.0667x + 27.047 V1 Reverse 299.94 Reverse 147.59225


Refract Reverse y = -0.9631x +150 V2 994.7279

-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

0 10 20 30 40 50 60 70 80 90 100 110 120

Kedalama

n(m)

Jarak (m)

Model Lapisan Lapuk

Line Handaru_2

Host

Interface

y = 3.334x - 8.34

y = 1.0667x + 27.047

y = -3.334x + 391.74

y = -0.9631x + 150

0

20

40

60

80

100

120

140

160

0 50 100 150

TravelTime(ms)

X-Loc (m)

Grafik T-X

Line Handaru_2


y = 1.0053x - 122.23

-150

-100

-50

0

50

100

150

0 50 100 150 200 250 300

Tminus(ms)

2X (m)


Line Handaru_2


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LINE HANDARU_2



1 0 2.5 100 0

2 0 117.5 100 0


1 0 0 100 8.33 150.54 27.047 150.54 0 -123.493 27.59875 -4.34103

2 0 5 100 8.33 145.93 32.3805 145.93 10 -113.5495 28.32225 -4.45483

3 0 10 100 25 142.2 37.714 142.2 20 -104.486 29.92575 -4.70705

4 0 15 100 41.67 137.46 43.0475 137.46 30 -94.4125 30.51925 -4.8004

5 0 20 100 50.61 132.31 50.61 132.31 40 -81.7 32.93175 -5.179866 0 25 100 57.49 127.27 57.49 127.27 50 -69.78 34.77175 -5.46928

7 0 30 100 59.43 119.88 59.43 119.88 60 -60.45 29.32175 -4.61204

8 0 35 100 65.29 115.66 65.29 115.66 70 -50.37 30.96175 -4.87

9 0 40 100 68.01 109.24 68.01 109.24 80 -41.23 27.26175 -4.28802

10 0 45 100 75.63 106.11 75.63 106.11 90 -30.48 31.75175 -4.99426

11 0 50 100 78.02 98.24 78.02 98.24 100 -20.22 26.27175 -4.13231

12 0 55 100 84.04 95.33 84.04 95.33 110 -11.29 29.38175 -4.62148

13 0 60 100 88.87 89.93 88.87 89.93 120 -1.06 28.81175 -4.53182

14 0 65 100 95.34 86.22 95.34 86.22 130 9.12 31.57175 -4.96595

15 0 70 100 99.25 79.56 99.25 79.56 140 19.69 28.82175 -4.5334

16 0 75 100 103.61 74.94 103.61 74.94 150 28.67 28.56175 -4.4925

17 0 80 100 109.5 71.84 109.5 71.84 160 37.66 31.35175 -4.93134

18 0 85 100 117.13 71.42 117.13 71.42 170 45.71 38.56175 -6.06541

19 0 90 100 126.1 74.89 126.1 74.89 180 51.21 51.00175 -8.02211

20 0 95 100 137.92 65.46 137.92 65.46 190 72.46 53.39175 -8.39803

21 0 100 100 142.32 51.97 142.32 51.97 200 90.35 44.30175 -6.96826

22 0 105 100 137.2 41.67 137.2 48.8745 210 88.3255 36.08625 -5.67604

23 0 110 100 140.91 25 140.91 44.059 220 96.851 34.98075 -5.50215

24 0 115 100 145.66 8.33 145.66 39.2435 230 106.4165 34.91525 -5.49185

25 0 120 100 150.54 8.33 150.54 34.428 240 116.112 34.97975 -5.50199


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Line Handaru_3






-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

0 10 20 30 40 50 60 70 80 90 100 110 120

Kedalaman

(m)

Jarak (m)

Model Lapisan Lapuk

Line Handaru_3

Host

Interface

y = 3.334x - 8.34

y = 1.0317x + 32.519

y = -3.334x + 391.74

y = -0.9906x + 154.55

0

20

40

60

80

100

120

140

160

0 50 100 150

TravelTime(ms)

X-Loc (m)

Grafik T-X

Line Handaru_3


y = 0.9915x - 119.85

-150

-100

-50

0

50

100

150

0 50 100 150 200 250 300

Tminus(ms)

2X (m)


Line Handaru_3


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LINE HANDARU_3



1 0 2.5 80 0

2 0 117.5 80 0


1 0 0 80 8.33 150.51 32.519 150.51 0 -117.991 30.120375 -4.73121

2 0 5 80 8.33 145.9 37.6775 145.9 10 -108.2225 30.668875 -4.81737

3 0 10 80 25 142.17 42.836 142.17 20 -99.334 32.097375 -5.04175

4 0 15 80 41.67 136.44 47.9945 136.44 30 -88.4455 31.525875 -4.95198

5 0 20 80 48.84 130.32 48.84 130.32 40 -81.48 26.251375 -4.123486 0 25 80 55.23 126.79 55.23 126.79 50 -71.56 29.111375 -4.57272

7 0 30 80 58.91 120.75 58.91 120.75 60 -61.84 26.751375 -4.20202

8 0 35 80 65.06 119.33 65.06 119.33 70 -54.27 31.481375 -4.94499

9 0 40 80 73.56 124.24 73.56 124.24 80 -50.68 44.891375 -7.05139

10 0 45 80 86.61 121.82 86.61 121.82 90 -35.21 55.521375 -8.72112

11 0 50 80 96.76 115.78 96.76 115.78 100 -19.02 59.631375 -9.36671

12 0 55 80 100.69 106.42 100.69 106.42 110 -5.73 54.201375 -8.51378

13 0 60 80 101.99 94.63 101.99 94.63 120 7.36 43.711375 -6.86604

14 0 65 80 98.46 86.26 98.46 86.26 130 12.2 31.811375 -4.99683

15 0 70 80 100.08 79.69 100.08 79.69 140 20.39 26.861375 -4.2193

16 0 75 80 104.28 75.15 104.28 75.15 150 29.13 26.521375 -4.16589

17 0 80 80 110.03 72.31 110.03 72.31 160 37.72 29.431375 -4.62299

18 0 85 80 118.01 77.22 118.01 77.22 170 40.79 42.321375 -6.64771

19 0 90 80 130.9 72.89 130.9 72.89 180 58.01 50.881375 -7.99228

20 0 95 80 140.66 60.24 140.66 60.24 190 80.42 47.991375 -7.53833

21 0 100 80 136.09 51.32 136.09 51.32 200 84.77 34.501375 -5.41937

22 0 105 80 136.83 41.67 136.83 50.537 210 86.293 34.458375 -5.41261

23 0 110 80 140.88 25 140.88 45.584 220 95.296 33.555375 -5.27077

24 0 115 80 145.64 8.33 145.64 40.631 230 105.009 33.362375 -5.24046

25 0 120 80 150.51 8.33 150.51 35.678 240 114.832 33.279375 -5.22742


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Line Handaru_4






-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

0 10 20 30 40 50 60 70 80 90 100 110 120

Kedalaman(m

)

Jarak (m)

Model Lapisan Lapuk

Line Handaru_4

Host

Interface

y = 3.334x - 8.34

y = 0.9874x + 41.122

y = -3.334x + 391.74

y = -1.0101x + 160.76

0

50

100

150

200

0 50 100 150

TravelTime(ms)

X-Loc (m)

Grafik T-X

Line Handaru_4


y = 0.9632x - 115.27

-150

-100

-50

0

50

100

150

0 50 100 150 200 250 300

Tminus(ms)

2X (m)


Line Handaru_4


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LINE HANDARU_4



1 0 2.5 60 0

2 0 117.5 60 0


1 0 0 60 8.33 151.14 41.122 151.14 0 -110.018 34.573875 -5.41599

2 0 5 60 8.33 146.54 46.059 146.54 10 -100.481 34.910875 -5.46878

3 0 10 60 25 142.74 50.996 142.74 20 -91.744 36.047875 -5.64689

4 0 15 60 41.67 139.02 55.933 139.02 30 -83.087 37.264875 -5.83753

5 0 20 60 52.35 136.95 52.35 136.95 40 -84.6 31.611875 -4.951996 0 25 60 60.15 142.2 60.15 142.2 50 -82.05 44.661875 -6.99627

7 0 30 60 72.89 137.92 72.89 137.92 60 -65.03 53.121875 -8.32153

8 0 35 60 84.5 130.45 84.5 130.45 70 -45.95 57.261875 -8.97006

9 0 40 60 86.59 123.41 86.59 123.41 80 -36.82 52.311875 -8.19464

10 0 45 60 89.27 116.85 89.27 116.85 90 -27.58 48.431875 -7.58684

11 0 50 60 92.48 111.07 92.48 111.07 100 -18.59 45.861875 -7.18425

12 0 55 60 96.51 107.09 96.51 107.09 110 -10.58 45.911875 -7.19208

13 0 60 60 102.13 102.24 102.13 102.24 120 -0.11 46.681875 -7.3127

14 0 65 60 107.98 97.7 107.98 97.7 130 10.28 47.991875 -7.51792

15 0 70 60 112.59 96.77 112.59 96.77 140 15.82 51.671875 -8.09439

16 0 75 60 121.95 89.4 121.95 89.4 150 32.55 53.661875 -8.40612

17 0 80 60 125.58 82.89 125.58 82.89 160 42.69 50.781875 -7.95497

18 0 85 60 128.51 78.69 128.51 78.69 170 49.82 49.511875 -7.75602

19 0 90 60 133.51 73.31 133.51 73.31 180 60.2 49.131875 -7.6965

20 0 95 60 141.17 61.17 141.17 61.17 190 80 44.651875 -6.99471

21 0 100 60 137.49 51.13 137.49 51.13 200 86.36 30.931875 -4.84547

22 0 105 60 136.7 41.67 136.7 54.6995 210 82.0005 33.711375 -5.28088

23 0 110 60 141.12 25 141.12 49.649 220 91.471 33.080875 -5.18211

24 0 115 60 146.25 8.33 146.25 44.5985 230 101.6515 33.160375 -5.19457

25 0 120 60 151.14 8.33 151.14 39.548 240 111.592 32.999875 -5.16942


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Line Handaru_5






-10

-9

-8

-7

-6

-5

-4-3

-2

-1

0

0 10 20 30 40 50 60 70 80 90 100 110 120

Kedalaman(m

)

Jarak (m)

Model Lapisan Lapuk

Line Handaru_5

Host

Interface

y = 3.334x - 8.34

y = 1.0382x + 32.484

y = -3.334x + 391.74

y = -0.9904x + 154.59

0

20

40

60

80

100

120

140

160

0 50 100 150

TravelTime(ms)

X-Loc (m)

Grafik T-X

Line Handaru_5


y = 0.9947x - 119.95

-150

-100

-50

0

50

100

150

0 50 100 150 200 250 300

Tminus(ms)

2X (m)


Line Handaru_5


14/22


15/22


Line Handaru_6



Refract Forward y = 0.9689x +34.423 V1 Reverse 299.94 Reverse 152.7565



-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

0 10 20 30 40 50 60 70 80 90 100 110 120

Kedalaman(m)

Jarak (m)

Model Lapisan Lapuk

Line Handaru_6

Host

Interface

y = 1.0092x - 119.39

-150

-100

-50

0

50

100

150

0 50 100 150 200 250 300

Tminus(ms)

2X (m)


Line Handaru_6

y = 3.334x - 8.34

y = 0.9689x + 34.423

y = -3.334x + 391.74

y = -1.0694x + 155.43

0

20

40

60

80

100

120

140

160

0 50 100 150

TravelTime(ms)

X-Loc (m)

Grafik T-X

Line Handaru_6



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LINE HANDARU_6



1 0 2.5 20 0

2 0 117.5 20 0


1 0 0 20 8.33 150.93 34.423 150.93 0 -116.507 34.840375 -5.4822

2 0 5 20 8.33 146.37 39.2675 146.37 10 -107.1025 35.124875 -5.52697

3 0 10 20 25 141.71 44.112 141.71 20 -97.598 35.309375 -5.556

4 0 15 20 41.67 135.95 48.9565 135.95 30 -86.9935 34.393875 -5.41195

5 0 20 20 48.23 132.12 48.23 132.12 40 -83.89 29.837375 -4.694976 0 25 20 56.08 138.66 56.08 138.66 50 -82.58 44.227375 -6.95927

7 0 30 20 70.3 134.41 70.3 134.41 60 -64.11 54.197375 -8.52807

8 0 35 20 83.26 122.32 83.26 122.32 70 -39.06 55.067375 -8.66496

9 0 40 20 78.86 113.09 78.86 113.09 80 -34.23 41.437375 -6.52025

10 0 45 20 78.88 104.18 78.88 104.18 90 -25.3 32.547375 -5.12139

11 0 50 20 79.61 97.04 79.61 97.04 100 -17.43 26.137375 -4.11277

12 0 55 20 84.73 93.66 84.73 93.66 110 -8.93 27.877375 -4.38656

13 0 60 20 90.89 90.27 90.89 90.27 120 0.62 30.647375 -4.82243

14 0 65 20 97.27 84.22 97.27 84.22 130 13.05 30.977375 -4.87435

15 0 70 20 98.36 76.57 98.36 76.57 140 21.79 24.417375 -3.84212

16 0 75 20 103.52 72.82 103.52 72.82 150 30.7 25.827375 -4.06399

17 0 80 20 110.19 70.21 110.19 70.21 160 39.98 29.887375 -4.70284

18 0 85 20 118.11 67.37 118.11 67.37 170 50.74 34.967375 -5.50219

19 0 90 20 123.05 60.38 123.05 60.38 180 62.67 32.917375 -5.17962

20 0 95 20 126.61 55.2 126.61 55.2 190 71.41 31.297375 -4.9247

21 0 100 20 132.5 50.69 132.5 50.69 200 81.81 32.677375 -5.14185

22 0 105 20 136.5 41.67 136.5 43.143 210 93.357 29.130375 -4.58372

23 0 110 20 140.93 25 140.93 37.796 220 103.134 28.213375 -4.43943

24 0 115 20 145.93 8.33 145.93 32.449 230 113.481 27.866375 -4.38483

25 0 120 20 150.93 8.33 150.93 27.102 240 123.828 27.519375 -4.33023


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Line Handaru_7






-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

0 10 20 30 40 50 60 70 80 90 100 110 120

Kedalaman(m)

Jarak (m)

Model Lapisan Lapuk

Line Handaru_7

Host

Interface

y = 3.334x - 8.34

y = 0.9165x + 37.34

y = -3.324x + 390.61

y = -1.1234x + 157.54

0

20

40

60

80

100

120

140

160

0 50 100 150

TravelTime(ms)

X-Loc (m)

Grafik T-X

Line Handaru_7


y = 1.0127x - 118.46

-150

-100

-50

0

50

100

150

0 50 100 150 200 250 300

Tminus(ms)

2X (m)


Line Handaru_7


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LINE HANDARU_7



1 0 2.5 0 0

2 0 117.5 0 0


1 0 0 0 8.33 151.17 37.34 151.17 0 -113.83 38.629875 -6.0907

2 0 5 0 8.33 146.83 41.9225 146.83 10 -104.9075 38.872375 -6.12893

3 0 10 0 25 142.63 46.505 142.63 20 -96.125 39.254875 -6.18924

4 0 15 0 41.67 138.07 51.0875 138.07 30 -86.9825 39.277375 -6.19279

5 0 20 0 51.45 144.68 51.45 144.68 40 -93.23 46.249875 -7.292136 0 25 0 65.51 140.15 65.51 140.15 50 -74.64 55.779875 -8.79471

7 0 30 0 80.12 128.32 80.12 128.32 60 -48.2 58.559875 -9.23302

8 0 35 0 75.52 119.09 75.52 119.09 70 -43.57 44.729875 -7.05247

9 0 40 0 75.5 111.75 75.5 111.75 80 -36.25 37.369875 -5.89204

10 0 45 0 78.67 104.18 78.67 104.18 90 -25.51 32.969875 -5.1983

11 0 50 0 79.8 97.04 79.8 97.04 100 -17.24 26.959875 -4.25071

12 0 55 0 84.99 93.65 84.99 93.65 110 -8.66 28.759875 -4.53451

13 0 60 0 91.36 87.18 91.36 87.18 120 4.18 28.659875 -4.51875

14 0 65 0 91 79.08 91 79.08 130 11.92 20.199875 -3.18488

15 0 70 0 99.11 77.69 99.11 77.69 140 21.42 26.919875 -4.2444

16 0 75 0 102 70 102 70 150 32 22.119875 -3.4876

17 0 80 0 109.35 69.46 109.35 69.46 160 39.89 28.929875 -4.56132

18 0 85 0 116.52 63 116.52 63 170 53.52 29.639875 -4.67326

19 0 90 0 117.88 55.62 117.88 55.62 180 62.26 23.619875 -3.7241

20 0 95 0 123.63 52.62 123.63 52.62 190 71.01 26.369875 -4.15769

21 0 100 0 130.73 48.24 130.73 48.24 200 82.49 29.089875 -4.58654

22 0 105 0 133.69 41.57 133.69 39.583 210 94.107 23.392875 -3.68831

23 0 110 0 140.23 25 140.23 33.966 220 106.264 24.315875 -3.83384

24 0 115 0 146.4 8.33 146.4 28.349 230 118.051 24.868875 -3.92103

25 0 120 0 151.4 8.33 151.4 22.732 240 128.668 24.251875 -3.82375


19/22


Data Ploting Kontur

X-loc Y-Loc H X-loc Y-Loc H X-loc Y-Loc H X-loc Y-Loc H

0 120 -4.628621 0 100 -4.34103 0 80 -4.73121 0 60 -5.41599

5 120 -4.661096 5 100 -4.45483 5 80 -4.81737 5 60 -5.46878

10 120 -4.624375 10 100 -4.70705 10 80 -5.04175 10 60 -5.64689

15 120 -4.625397 15 100 -4.8004 15 80 -4.95198 15 60 -5.83753

20 120 -5.302499 20 100 -5.17986 20 80 -4.12348 20 60 -4.95199

25 120 -5.835624 25 100 -5.46928 25 80 -4.57272 25 60 -6.99627

30 120 -5.297781 30 100 -4.61204 30 80 -4.20202 30 60 -8.32153

35 120 -4.363631 35 100 -4.87 35 80 -4.94499 35 60 -8.97006

40 120 -4.553921 40 100 -4.28802 40 80 -7.05139 40 60 -8.19464

45 120 -4.319597 45 100 -4.99426 45 80 -8.72112 45 60 -7.58684

50 120 -4.608963 50 100 -4.13231 50 80 -9.36671 50 60 -7.18425

55 120 -5.598155 55 100 -4.62148 55 80 -8.51378 55 60 -7.19208

60 120 -5.370122 60 100 -4.53182 60 80 -6.86604 60 60 -7.3127

65 120 -4.632553 65 100 -4.96595 65 80 -4.99683 65 60 -7.51792

70 120 -5.077611 70 100 -4.5334 70 80 -4.2193 70 60 -8.09439

75 120 -4.637271 75 100 -4.4925 75 80 -4.16589 75 60 -8.40612

80 120 -5.005269 80 100 -4.93134 80 80 -4.62299 80 60 -7.95497

85 120 -7.019824 85 100 -6.06541 85 80 -6.64771 85 60 -7.75602

90 120 -8.060914 90 100 -8.02211 90 80 -7.99228 90 60 -7.6965

95 120 -7.14249 95 100 -8.39803 95 80 -7.53833 95 60 -6.99471

100 120 -5.04144 100 100 -6.96826 100 80 -5.41937 100 60 -4.84547

105 120 -5.387343 105 100 -5.67604 105 80 -5.41261 105 60 -5.28088

110 120 -5.336939 110 100 -5.50215 110 80 -5.27077 110 60 -5.18211

115 120 -5.335288 115 100 -5.49185 115 80 -5.24046 115 60 -5.19457

120 120 -5.352509 120 100 -5.50199 120 80 -5.22742 120 60 -5.16942


20/22


Data Ploting Kontur

X-loc Y-Loc H X-loc Y-Loc H X-loc Y-Loc H

0 40 -4.732756 0 20 -5.4822 0 0 -6.0907

5 40 -4.824046 5 20 -5.52697 5 0 -6.12893

10 40 -5.066177 10 20 -5.556 10 0 -6.18924

15 40 -5.005055 15 20 -5.41195 15 0 -6.19279

20 40 -4.216754 20 20 -4.69497 20 0 -7.29213

25 40 -5.616747 25 20 -6.95927 25 0 -8.79471

30 40 -7.97521 30 20 -8.52807 30 0 -9.23302

35 40 -8.166903 35 20 -8.66496 35 0 -7.05247

40 40 -6.895753 40 20 -6.52025 40 0 -5.89204

45 40 -4.813833 45 20 -5.12139 45 0 -5.198350 40 -3.808226 50 20 -4.11277 50 0 -4.25071

55 40 -4.032916 55 20 -4.38656 55 0 -4.53451

60 40 -4.138191 60 20 -4.82243 60 0 -4.51875

65 40 -4.498009 65 20 -4.87435 65 0 -3.18488

70 40 -5.648172 70 20 -3.84212 70 0 -4.2444

75 40 -7.558825 75 20 -4.06399 75 0 -3.4876

80 40 -9.065665 80 20 -4.70284 80 0 -4.56132

85 40 -9.117516 85 20 -5.50219 85 0 -4.67326

90 40 -7.665671 90 20 -5.17962 90 0 -3.7241

95 40 -5.916858 95 20 -4.9247 95 0 -4.15769

100 40 -4.978815 100 20 -5.14185 100 0 -4.58654

105 40 -5.344605 105 20 -4.58372 105 0 -3.68831

110 40 -5.250015 110 20 -4.43943 110 0 -3.83384

115 40 -5.23713 115 20 -4.38483 115 0 -3.92103

120 40 -5.244672 120 20 -4.33023 120 0 -3.82375


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Hasil Ploting


22/22


Geomorfologi Sungai

Hasil ploting kontur dan 3D surface memperlihatkan hasil seperti diatas, diama

sungai yang terbentuk adalah sungai dengan stadia dewasa, yang ditandai dengan bentuksungai yang berliku-liku. Bentuk sungai yang berliku-liku ini menandakan bahwa energy

aliran sungai mulai melemah dan kemungkinan terbentuk didaerah yang memiliki

topografi yang relative datar.

Anatomi Sungai

Sungai yang terbentuk tidak memiliki anatomi yang terlalu mencolok seperti

Chanel bar ataupun Point bar. Itu terlihat dari pola kontur yang menunjukkan tidak

terdapat pola kontur yang memiliki ketinggian tertentu di dalam pola aliran sungai,

sedangkan pola kontur yang lain cenderung merapat sekitar tepi-tepi sungai. Jika dilihat

lebih dalam, pola aliran sungai ini tidak menunjukkan pola dasar sungai yang datar,namun cenderung membentuk cekungan atau bentuk V juga terdapat beberapa tempat

dasar sungai yang memiliki kedalaman yang lebih dalam disbanding daerah sekitarnya.

Lebar dan Kedalaman Sungai

No. Line Lebar Dalam

1 20 3

2 20 3.5

3 40 5.54 35 3.5

5 35 4

6 30 3.5

7 20 3

Rata 28.57143 3.714286

Dari hasil permodelan lapisan dari line 1 hingga line 7 menunjukkan variasi lebar

dan kedalaman yang tidak terlalu terpaut jauh, demgan rata-rata lebar sungai adalah 28.57

meter dan kedalaman sungai sekitar 3.71 meter.

DAFTAR PUSTAKA

Asisten GEM. 2014. Pemodelan Maju dan Koreksi Topografi. FMIPA Universitas

Gadjah Mada.

seismik refraksi_metode plus minus

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