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All Journal BULETIN OSEANOGRAFI MARINA KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Jurnal Ilmiah Desain & Konstruksi Jurnal Teknik ITS Journal of Marine Research IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science REKAYASA Jurnal Teknik Sipil Journal of Geoscience, Engineering, Environment, and Technology IJOCE (International Journal of Offshore and Coastal Engineering) JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Kelautan Nasional Wave: Jurnal Ilmiah Teknologi Maritim JURNAL TEKNIK HIDRAULIK Dinasti International Journal of Economics, Finance & Accounting (DIJEFA) COJ (Coastal and Ocean Journal) Jurnal Locus Penelitian dan Pengabdian Makara Journal of Technology Sewagati Geosfera Indonesia
Haryo Dwito Armono
Departemen Teknik Kelautan, Institut Teknologi Sepuluh Nopember, Kampus ITS, Keputih, Sukolilo, Surabaya 60111
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Journal : IPTEK The Journal for Technology and Science

 1 
The Impact of Coastal Tourism Activities on Water Quality at Baluran National Park Nike Ika Nuzula; Haryo D. Armono; Daniel M. Rosyid
IPTEK The Journal for Technology and Science Vol 28, No 2 (2017)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (531.452 KB) | DOI: 10.12962/j20882033.v28i2.2928

Abstract

Baluran is a national park identified as biologically and nun-biologically rich area in East Java. It has physical landscapes with high tourism potential. In the past five years, tourists visit has significantly increased, where leds to water quality degradation around the coast. The aim of this research is to determine the relationship between tourists visit and water degradation phenomena in the area of study. The PCA (Principal Component Analysis) and IPL (Environmental Pollution Index) is used for analysis. Research was performed in the rainy and dry seasons. The correlation of water quality parameters in dry season is higher than in the rainy season. Water environment pollution index is 0.027 (category not polluted) in dry season and 0.48 (category not polluted) in rainy seasons.
Numerical Modeling of Turbulent Bottom Boundary Layer over Rough Bed under Irregular Waves Taufiqur Rachman; Suntoyo Suntoyo; Kriyo Sambodho; Haryo Dwito Armono; Eko Yusroni
IPTEK The Journal for Technology and Science Vol 22, No 4 (2011)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v22i4.75

Abstract

A numerical model of turbulent bottom boundary layer over rough bed under irregular waves is reviewed. The turbulence model is based upon Shear Stress Transport (SST) k- model. The non-linear governing equations of the boundary layer for each turbulence models were solved by using a Crank-Nicolson type implicit finite-difference scheme. Typical the main velocity distribution, turbulence kinetic energy and time series of the bottom shear stress are presented. These results are shown to be in generally good agreement with experimental result. The roughness effects in the properties of turbulent bottom boundary layer for irregular waves are also presented with several values of the roughness parameter (am/ks) from am/ks=5 to am/ks=3122. The roughness effect tends to decrease the main velocity distribution and to increase the turbulent kinetic energy in the inner boundary layer, whereas in the outer boundary layer, the roughness alters the mean velocity distribution and the kinetic energy turbulent is relatively unaffected. The effect of bed roughness on the bottom shear stress under irregular waves is found that the higher roughness elements increase the magnitude of bottom shear stress along wave cycle. And further, the bottom shear stress under irregular waves is examined with the existing calculation method and the newly proposed method.
Co-Authors Adryani, Ayu Agoes Pratikto Agustifa, Filda Nurria Akbar Fitrah Dermawan Amalia, Aniendhita Rizki Ammara Tandhiarchita Arief Suroso Asfarur Ridlwan Daniel M. Rosyid Daniel M. Rosyid Danny Indra Setyawan Dedi Kurniawan Dinar Catur istiyanto Dinar Catur Istiyanto Dinda Amalia Rahmawati Dwi Budi Wiyanto Eko Budi Djatmiko Eko Yusroni Faddillah Prahmadana Rudyani Faliha Husna Farid Kamal Muzaki Fendi Hidayat Ferry Fatnanta Hanah Khoirunnisa Hasan Ikhwani Hasan Ikhwani Hasan Ikhwani Ismail Ali Hajar Aswad Ali Juventus Welly Ginting Juventus Welly Radianta Ginting Khusnul Setia Wardani Kriyo Sambodho Kurniati, Nani Mahmud Mustain Manurung, Adelbert Mardi Wibowo Maulinna Kusumo Wardhani Maulinna Kusumo Wardhani, Maulinna Kusumo Mudzakkir Maulana Rachman Muhamad Eriq Ashari Muhammad Baharudin Fahmi Muhammad Iqbal Muhammad Rifqi Hanif Muhammad Zikra Muhammad Zikro Mukhtasor Mukhtasor Murdjito Murdjito Nani Kurniati Nur Chasanah Nur Yuwono Nuzula, Nike Ika Oki Setyandito Pangestu Ari Wicaksono Putra, Mochammad Sharif Rezanta Rachmat Hidayah Reni Wijayanti Reno Arief Rachman Reno Arief Rachman Reno Arief Rachman Ridlwan, Asfafur Ridlwan, Asfarur Rizki Haryono A. Rizki Mendung Ariefianto Rosyid, Daniel Mohammad Rudi Walujo Prastianto Rudi Waluyo Prastianto Rudi Waluyo Prastianto Sambodho, Kriyo Shade Rahmawati Sholihin Sholihin Sholihin Sholihin Sholihin Sujantoko Sujantoko Sujantoko Sujantoko Taufik , Tatang Akhmad Taufik, Tatang A. Taufiqur Rachman Try Febrianto Tuswan Tuswan Wahyu Suryo Putro Wahyudi Wahyudi Citrosiswoyo Wahyudi Citrosiswoyo Wahyudi Citrosiswoyo Wahyudi Citrosiswoyo Wahyudi Wahyudi Wahyudi Wahyudi Wahyudi, Wahyudi Widi Agoes Pratikto Widi Pratikto Widi Pratikto, Widi Wirayuhanto, Harish Wisnu Wardhana Wisnu Wardhana Wisnu Wardhana Yeyes Mulyadi Yeyes Mulyadi Yoffan Ramadhan Zainul Hidayah Zikra, Muhammad