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  • LAPORAN PRAKTIKUMSURVEI HIDROGRAFIPANTAI DALEGAN, GRESIK

    DISUSUN OLEH KELOMPOK 31. FATHONI SASMITO U. 35111000422. M. FIKRI PRAMANA P. 35111000703. DEDY KURNIAWAN 35121000174. ELIYA NUR FADILA 35121000405. ANINDYA NADHIRA R. 35121000426. FARREL NARENDRA R. 35121000607. DIAH WITARSIH 35121000628. DWI RATNA SARI 35121000699. THEO PRATOMO S. 351210007310.BEKTI WAHYU A. 351210007611.AVRILNA LUTFIL H. 351210007912.REZA FAJAR M. 351210008313.BAGAS TRI WIDONO 351210008814.I DEWA GEDE PUTRA W. 3512100089

    DOSEN PENGAMPU :Ir. Yuwono, MS.Khomsin, ST., MTDOSEN RESPONSI :

    Akbar Kurniawan, ST., MT.

    JURUSAN TEKNIK GEOMATIKA

    JURUSAN TEKNIK GEOMATIKAFAKULTAS TEKNIK SIPIL DAN PERENCANAANINSTITUT TEKNOLOGI SEPULUH NOPEMBERSURABAYA2015

  • ii

    KATA PENGANTAR

    Alhamdulillahirobbilalamin. Segala puji bagi Allah SWT yang telah memberikan rahmatserta hidayah-Nya sehingga kami dapat menyelesaikan laporan ini. Kami mengucapkanterimakasih kepada dosen pengampu Mata Kuliah Survey Hidrografi semester Genap TeknikGeomatika ITS ini, yakni bapak Ir. Yuwono, M.T, Khomsin, S.T, M.T, serta Akbar Kurniawan S.T,M.T, atas bimbingan dalam memberi ilmu dan dalam menyelesaikan makalah ini.Laporan ini disusun atas dasar pemenuhan tugas mata kuliah survey hidrografisemester Genap Teknik Geomatika ITS. Kami mengucapkan banyak terimakasih kepadapembaca sekalian. Kami memohon maaf apabila terdapat banyak penulisan dan teori dananalisa yang ada. Kami sangat mengharap kritik dan saran dari pembaca demi perbaikanpembuatan makalah sejenis di masa yang akan datang. Semoga laporan ini dapat bermanfaatbagi kita semua. Surabaya, Mei 2015Penulis

  • iii

    DAFTAR ISI

    COVER ................................................................................................................................................................................iKATA PENGANTAR.......................................................................................................................................................... iiDAFTAR ISI.........................................................................................................................................................................iiiDAFTAR GAMBAR ...........................................................................................................................................................ivDAFTAR TABEL................................................................................................................................................................. vBAB I PENDAHULUAN............................................................................................................................................. 61.1 Latar Belakang....................................................................................................................................... 61.2 Tujuan ........................................................................................................................................................ 61.3 Manfaat ...................................................................................................................................................... 6BAB II LANDASAN TEORI........................................................................................................................................ 72.1 Definisi Hidrografi................................................................................................................................. 72.2 Teknik Sounding (Pemeruman) ...................................................................................................... 72.2.1 Lajur Pemeruman...................................................................................................................... 82.2.2 Teknik Pengukuran Kedalaman........................................................................................... 82.2.3 Single BEAM Echosounder.................................................................................................. 102.4 Kerangka Kontrol Vertikal.............................................................................................................. 112.4.1 Prinsip pengukuran beda tinggi ....................................................................................... 122.2.2 Macam macam Penentuan Beda Tinggi ..................................................................... 122.2.3 Rumus Umum Sipat Datar................................................................................................... 132.5 Penentuan Posisi menggunakan GPS ........................................................................................ 152.5.1 Ketelitian Pengukuran GPS................................................................................................. 172.5.1.1 Akurasi dan Presisi.................................................................172.5.1.2 Kesalahan dan Bias pada pengukuran GPS ...................................172.6 Pengukuran Detil Situasi dan Garis Pantai .............................................................................. 192.7 Pengamatan Pasang Surut .............................................................................................................. 22BAB III METODOLOGI PRAKTIKUM................................................................................................................... 233.1 Tempat dan Waktu Pelaksanaan.................................................................................................. 233.2 Alat dan Bahan..................................................................................................................................... 233.3 Jadwal Pelaksanaan Praktikum.................................................................................................... 25

  • iv

    3.5 Tahapan Praktikum........................................................................................................................... 263.4.1. Pemeruman.............................................................................................................................. 263.4.2 Pengukuran Detil Pantai dan Jalan .................................................................................. 283.4.3 Pengamatan Benchmark GPS............................................................................................. 293.4.4 Pengamatan Pasang Surut................................................................................................... 29BAB V ANALISA DAN HASIL................................................................................................................................ 314.1 Hasil Praktikum................................................................................................................................... 314.1.1 Hasil Pengamatan Pasang Surut ....................................................................................... 314.1.2 Hasil Pengolahan dari Pengamatan GPS ....................................................................... 324.1.3 Hasil Echosounder....................................................................334.1.4 Hasil Pengukuran Detil......................................................................................................... 334.2 Analisa Hasil Pengukuran ............................................................................................................... 364.2.1 Analisa Pengamatan Pasang Surut .................................................................................. 364.2.2 Analisa Pengamatan GPS ..................................................................................................... 384.2.3 Analisa Pemeruman............................................................................................................... 394.2.4 Analisa Hasil Pengukuran Detil......................................................................................... 39BAB V PENUTUP.....................................................................................................................................................4115.1 Kesimpulan .........................................................................................................................................4115.2 Saran......................................................................................................................................................411DAFTAR PUSTAKA......................................................................................................................................................422LAMPIRAN........................................................................................................................................................................ 43DAFTAR GAMBAR

    Gambar 2.1 Desain Lajur Pemeruman ................................................................................... 8Gambar 2.2 Penggunaan Single BEAM Echosounder....................................................... 9Gambar 2.3 Echosounder ..........................................................................................................11Gambar 2.5 Pengukuran Sipat Datar (Basuki, 2006).....................................................12Gambar 2.6 Pengukuran Sipat Datar Cara 1 (Basuki, 2006)......................................12Gambar 2.7 Pengukuran Sipat Datar Cara 2 (Basuki, 2006).......................................13Gambar 2.9 Pengukuran Sipat Datar Terbuka (Purwa amijaya, 2008).................13Gambar 2.10 Pengukuran Sipat Datar Terbuka Terikat (Nurjati, 2004) ...............14Gambar 2.11 Pengukuran Sipat Datar Tertutup (Purwa amijaya, 2008)..............15

  • vGambar 2.12 Metode Penentuan Posisi dengan GPS [Abidin, 2007].......................16Gambar 2.13 Ilustrasi akurasi dan presisi..........................................................................17Gambar 2.14