MAHARDIKA, DANANG IMADDUDIN (2022) POLA SEBARAN MATERIAL PADATAN TERSUSPENSI BERDASARKAN PEMODELAN HIDRODINAMIKA 2D DI PERAIRAN PULAU MENJANGAN BESAR, KEPULAUAN KARIMUNJAWA (22o126). Undergraduate thesis, Universitas Diponegoro.

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Abstract

ABSTRAK
Danang Imaddudin Mahardika, 26050118140076, Pola Sebaran Material
Padatan Tersuspensi Berdasarkan Pemodelan Hidrodinamika 2D di Perairan Pulau
Menjangan Besar, Kepulauan Karimunjawa (Muhammad Helmi dan Agus ADS)
Perairan Karimunjawa memiliki fungsi yang penting bagi masyarakatnya seperti
jalur pelayaran kapal, perikanan, dan wisata. Oleh karena itu harus adanya
pengawasan terkait kualitas air salah satunya adalah material padatan tersuspensi.
Sampel material padatan tersuspensi diambil secara langsung dilapangan dengan
beberapa parameter lainnya seperti batimetri dan arus. Untuk mengetauhi pola
sebaran material padatan tersuspensi dilakukan dengan pendekatan model
hidrodinamika 2D menggunakan perangkat lunak Mike 21 dengan beberapa modul
seperti modul Hidrodinamika untuk pemodelan arus dan Mud Transport untuk
pemodelan material padatan tersuspensi. Model ini mensimulasikan sebaran
material padatan tersuspensi selama periode 1 bulan. Verifikasi hasil model
mendapat besaran 7,9% dan 6,1 % untuk arus. Hasil pemodelan didapatkan bahwa
material padatan tersuspensi tersebar mengikuti pola arus di perairan dan arus
pasang surut menjadi faktor utama dalam sebaran material padatan tersuspensi.
Kata kunci : material padatan tersuspensi, karimunjawa, pola sebaran, mud
transport

ABSTRACT
Danang Imaddudin Mahardika, 26050118140076, Distribution Pattern of
Suspended Solids Based on 2D Hydrodynamic Modeling in Menjangan Besar
Island Waters, Karimunjawa Islands (Muhammad Helmi and Agus ADS)
Karimunjawa waters have important functions for its people, such as shipping
lanes, fisheries, and tourism. Therefore, there must be monitoring related to water
quality, one of which is suspended solids. Samples of suspended solids were taken
directly in the field with several other parameters such as bathymetry and current.
To find out the distribution pattern of suspended solids, a 2D hydrodynamics
modeling approach was used using Mike 21 software with several modules such
as the Hydrodynamics module for flow modeling and Mud Transport for suspended
solids modeling. This model simulates the distribution of suspended solids over a
period of 1 month. Verification of the model results is 7.9% and 6.1% for current.
The modeling results show that the suspended solids are dispersed following the
current pattern in the waters and tidal currents are the main factor in the
distribution of suspended solids.
Keywords : Total Suspended Sediment, Karimunjawa, Distribution Pattern, Mud
Transport

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