1 Introduction
2 Data and Methodology
2.1 Data
2.1.1 Station Data
2.1.2 Reanalysis Data
2.2 Method
2.2.1 Quality Control of Station Data
No. | Station ID | Station Name | Latitude (°S) | Longitude (°E) | Daily wind (m s−1) | Daily gust (m s−1) | ||
---|---|---|---|---|---|---|---|---|
Mean | 99th | Mean | 99th | |||||
1 | 160005 | AWS Puspitek | 6.36 | 106.673 | 1.26 | 2.43 | 6.47 | 11.53 |
2 | 14042862 | AAWS Pondok Salam | 6.619 | 107.498 | 1.24 | 2.13 | 7.29 | 12.31 |
3 | 14063042 | AAWS Indramayu 2 | 6.342 | 108.341 | 1.91 | 3.51 | 7.26 | 12.67 |
4 | 06-02010 | ITB-DU Cikembang | 7.209 | 107.673 | 1.67 | 3.47 | 6.06 | 10.8 |
5 | 06-02020 | ITB-DU Cibinong | 6.491 | 106.85 | 1.1 | 2.05 | 5.32 | 9.23 |
6 | 06-02026 | ITB-DU Majalaya | 7.051 | 107.757 | 1.1 | 1.63 | 6.16 | 10.02 |
7 | 06-02047 | DU LLHD Jakarta | 6.226 | 106.835 | 0.98 | 1.39 | 5.82 | 9.71 |
8 | STA2035 | AWS Leuwiliang | 6.565 | 106.63 | 1.62 | 3.39 | 6.02 | 11.44 |
9 | STA2041 | AWS TMII | 6.304 | 106.899 | 2.84 | 4.02 | 8.03 | 11.5 |
10 | STA2042 | AWS Mekarsari | 6.419 | 106.983 | 1.19 | 2.29 | 6.03 | 10.34 |
11 | STA2044 | AWS Gunung Geulis | 6.624 | 106.862 | 1.82 | 4.34 | 6.31 | 11.15 |
12 | STA2062 | AWS Staklim Tangsel | 6.25 | 106.76 | 1.56 | 3.06 | 6.88 | 10.4 |
13 | STA2080 | AWS Maritim Merak | 5.919 | 105.985 | 2.17 | 5.45 | 5.88 | 11.16 |
14 | STA2083 | AWS Sukamandi | 6.37 | 107.625 | 1.9 | 3.47 | 6.77 | 11.2 |
15 | STA2085 | AWS Kadugede | 7 | 108.457 | 2.45 | 4.45 | 9.74 | 14.2 |
16 | STA2087 | AWS Cimalaka | 6.815 | 107.948 | 1.57 | 2.6 | 5.97 | 9.12 |
17 | STA2088 | AWS Cikancung | 6.999 | 107.817 | 1.91 | 3.49 | 8.3 | 12.6 |
18 | STA2115 | AWS Stageof Bandung | 6.834 | 107.597 | 1.34 | 2.37 | 5.65 | 8.58 |
19 | STA2120 | AWS Labuhan | 6.38 | 105.835 | 1.61 | 3.22 | 6.96 | 13.42 |
20 | STA2155 | AWS Stamet Jatiwangi | 6.734 | 108.263 | 1.44 | 3.17 | 6.29 | 11.34 |
21 | STA2172 | AWS Maritim Tj. Priok | 6.1 | 106.877 | 2.87 | 7.16 | 6.42 | 12.92 |
22 | STA3005 | AAWS Ujung Genteng | 7.325 | 106.413 | 2.49 | 4.45 | 9.86 | 14.74 |
23 | STA5082 | AWS Digi Stamet Cengkareng | 6.125 | 106.658 | 2.11 | 3.7 | 8.29 | 13.5 |
24 | STA5102 | AWS Digi Stamet Kertajati | 6.627 | 108.152 | 3.44 | 7.29 | 9.95 | 15.54 |
2.2.2 Observational Analysis from the Station Data
2.2.3 Wind Data Calibration
2.2.4 Design Wind Speed Calculation
3 Results
3.1 Spatial Distribution and Seasonal Variation of Observed Wind
3.2 Attribution to the Large-Scale and Small-Scale Weather Events
3.3 Design Wind Speed Map and Comparison with Previous Standards
Location | Latitude/longitude | Indonesian standard (PPPURG 1987) (m/s) | Current study (m/s) | Difference (%) |
---|---|---|---|---|
Jakarta | − 6.2088/106.8456 | 20 | 19.30 | − 3.63 |
Bandung | − 6.9175/107.619 | 20 | 17.94 | − 11.48 |
Bogor | − 6.5971/106.806 | 20 | 22.72 | 11.97 |
Tangerang | − 6.1702/106.64 | 20 | 21.69 | 7.79 |
Depok | − 6.4025/106.794 | 20 | 19.09 | − 4.77 |
Bekasi | − 6.2383/106.9756 | 20 | 22.39 | 10.67 |
Cirebon | − 6.6899/108.4751 | 20 | 24.69 | 19.00 |
Kertajati | − 6.6421/108.1192 | 20 | 24.69 | 19.00 |
Tasikmalaya | − 7.3506/108.2172 | 20 | 23.79 | 15.93 |
Cianjur | − 6.8168/107.1425 | 20 | 21.55 | 7.19 |
Serang | − 6.1169/106.1539 | 20 | 23.23 | 13.90 |
Lebak | − 6.5644/106.2522 | 20 | 25.89 | 22.75 |
Sukabumi | − 6.9277/106.93 | 20 | 25.71 | 22.21 |
Pelabuhan Ratu | − 6.9852/106.5475 | 25 | 30.09 | 16.92 |