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TUGAS PENCEMARAN UDARA
WIND ROSE
OLEH:
NYAK NISA UL KHAIRANI KF
1410942013
DOSEN:
VERA SURTIA BACHTIAR, P.hD
JURUSAN TEKNIK LINGKUNGAN
FAKULTAS TEKNIK UNIVERSITAS ANDALAS
PADANG
2016
Tabel Kecepatan Angin Rata-rata (knot) Bulan Agustus di Daerah Pantai Semarang
Periode 2003-2005
Tanggal
Arah
Angin
Kec.
Rata2
Tanggal
Arah
Angin
Kec.
Rata2
Tanggal
Arah
Angin
Kec.
Rata2
1 S 1 12 TG 4 22 T 3
2 U 1 13 T 3 23 T 2
3 TG 3 14 T 3 24 BL 2
4 TG 3 15 TG 3 25 BL 2
5 TG 4 16 TG 4 26 U 2
6 TG 4 17 U 2 27 TG 3
7 TG 5 18 TG 2 28 T 4
8 TG 5 19 TG 4 29 BL 2
9 TG 1 20 U 3 30 BL 2
10 U 2 21 U 3 31 U 4
11 TG 1
Sumber: Laporan Tugas Akhir Agustia Nur dan Fitriana Iftatika, 2005
Tabel Penggolongan Data Kecepatan Arah Angin
Kecepatan
(knot)
Arah Angin Jumlah
KejadianU T TG S BL
1-2 4 1 3 1 4 13
3-4 3 4 9 - - 16
5-6 - - 2 - - 2
Total 7 5 14 1 4 31
Perhitungan Persentase data kecepatan dan arah angin:
1. (1-2)knot, U =
4
31
x 100% = 12,903 %
2. (3-4)knot, U =
3
31
x 100% = 9,677 %
3. (1-2)knot, T =
1
31
x 100% = 3,226 %
4. (3-4)knot, T =
4
31
x 100% = 12,903 %
5. (1-2)knot, TG =
3
31
x 100% = 9,677 %
6. (3-4)knot, TG =
9
31
x 100% = 29,032 %
7. (5-6)knot, TG =
2
31
x 100% = 6,452 %
8. (1-2)knot, S =
1
31
x 100% = 3,226 %
9. (1-2)knot, BL =
4
31
x 100%=12,903 %
Tabel Persentase Data Kecepatan Arah Angin
Kecepatan
(knot)
Arah Angin (% ) Jumlah
(% )U T TG S BL
1-2 12,903 3,226 9,677 3,226 12,903 41,935
3-4 9,677 12,903 29,032 - - 51,612
5-6 - - 6,452 - - 6,452
Total 22,580 16,129 45,161 3,226 12,903 99,999
TL
T
TG
S
BD
B
BL
60%
50%
40%
30%
20%
10%
0%
U
WIND ROSE
DAERAH PANTAI SEMARANG
RATA-RATA BULAN AGUSTUS
PERIODE 2003-2005
Keterangan:
1-2 knot
3-4 knot
5-6 knot

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Contoh Pengerjaan Windrose

  • 1. TUGAS PENCEMARAN UDARA WIND ROSE OLEH: NYAK NISA UL KHAIRANI KF 1410942013 DOSEN: VERA SURTIA BACHTIAR, P.hD JURUSAN TEKNIK LINGKUNGAN FAKULTAS TEKNIK UNIVERSITAS ANDALAS PADANG 2016
  • 2. Tabel Kecepatan Angin Rata-rata (knot) Bulan Agustus di Daerah Pantai Semarang Periode 2003-2005 Tanggal Arah Angin Kec. Rata2 Tanggal Arah Angin Kec. Rata2 Tanggal Arah Angin Kec. Rata2 1 S 1 12 TG 4 22 T 3 2 U 1 13 T 3 23 T 2 3 TG 3 14 T 3 24 BL 2 4 TG 3 15 TG 3 25 BL 2 5 TG 4 16 TG 4 26 U 2 6 TG 4 17 U 2 27 TG 3 7 TG 5 18 TG 2 28 T 4 8 TG 5 19 TG 4 29 BL 2 9 TG 1 20 U 3 30 BL 2 10 U 2 21 U 3 31 U 4 11 TG 1 Sumber: Laporan Tugas Akhir Agustia Nur dan Fitriana Iftatika, 2005 Tabel Penggolongan Data Kecepatan Arah Angin Kecepatan (knot) Arah Angin Jumlah KejadianU T TG S BL 1-2 4 1 3 1 4 13 3-4 3 4 9 - - 16 5-6 - - 2 - - 2 Total 7 5 14 1 4 31 Perhitungan Persentase data kecepatan dan arah angin: 1. (1-2)knot, U = 4 31 x 100% = 12,903 % 2. (3-4)knot, U = 3 31 x 100% = 9,677 % 3. (1-2)knot, T = 1 31 x 100% = 3,226 % 4. (3-4)knot, T = 4 31 x 100% = 12,903 % 5. (1-2)knot, TG = 3 31 x 100% = 9,677 % 6. (3-4)knot, TG = 9 31 x 100% = 29,032 % 7. (5-6)knot, TG = 2 31 x 100% = 6,452 % 8. (1-2)knot, S = 1 31 x 100% = 3,226 % 9. (1-2)knot, BL = 4 31 x 100%=12,903 % Tabel Persentase Data Kecepatan Arah Angin Kecepatan (knot) Arah Angin (% ) Jumlah (% )U T TG S BL 1-2 12,903 3,226 9,677 3,226 12,903 41,935 3-4 9,677 12,903 29,032 - - 51,612 5-6 - - 6,452 - - 6,452 Total 22,580 16,129 45,161 3,226 12,903 99,999
  • 3. TL T TG S BD B BL 60% 50% 40% 30% 20% 10% 0% U WIND ROSE DAERAH PANTAI SEMARANG RATA-RATA BULAN AGUSTUS PERIODE 2003-2005 Keterangan: 1-2 knot 3-4 knot 5-6 knot