Hidrologi Pr-4.docx

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NAMA NIM MATA KULIAH DOSEN TOPIK

: EKIT SAPUTRA : 18062019 : Hidrologi dan Hidrolika : Dr.FAHMI RIZAL,M.Pd.,MT : Menghitung Intensitas Curah Hujan

1 .Dengan cara di atas (Grafik 3-7) tentukan Intensitas Curah Hujan (I) yang lamanya 50 menit dengan kemungkinan kala ulang 10 tahun. Jawab: a) Cara interpolasi  tentukan perpotongan garis lengkung I10 dan garis tegak 50 menit  setelah diamati didapat I adalah antara 49- 50 mm/jam b) cara rumus prof.sherman (3.10) 𝑎 𝐼= √𝑡 + 𝑏

𝐼10 =

361 √50+0,26

= 49,243 mm/jam

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