JURNAL ILMIAH Judul Jurnal Ilmiah (Artikel) : Debris Fl

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LEMBAR

HASIL PENILAIAN SEJAWAT SEBIDANG ATAU PEER REVIEW KARYA ILMIAH : JURNAL ILMIAH

Judul Jurnal Ilmiah (Artikel) : Debris Flow Disaster Mitigation Through Community-Based Integrated Sediment Management (Best Practice in Mt. Merapi Area, Indonesia)

Jumlah Penulis : 2 orang (Kazuhiko Otani, Suharyanto) Status Pengusul : penulis ke - 2

Identitas Jurnal Ilmiah : a. Nama Jurnal : Journal of the Civil Engineering Forum

b. Nomor ISSN : ISSN 5249-5925 (online) | ISSN 2581-1037 (print) c. Vol, No., Bln Thn : Volume: XXI/3 - September 2012

d. Penerbit : Universitas Gadjah Mada, Indonesia e. DOI artikel (jika ada) : DOI: https://doi.org/10.22146/jcef.18921 f. Alamat web jurnal : https://journal.ugm.ac.id/jcef/article/view/18921

Alamat Artikel : https://journal.ugm.ac.id/jcef/article/view/18921/12217

g. Terindex : Google Scholar

Kategori Publikasi Jurnal Ilmiah : √ Jurnal Ilmiah Internasional

(beri pada kategori yang tepat) Jurnal Ilmiah Nasional Terakreditasi Jurnal Ilmiah Nasional Tidak Terakreditasi Hasil Penilaian Peer Review :

Komponen Yang Dinilai

Nilai Maksimal Jurnal Ilmiah

Nilai Akhir Yang Diperoleh Internasional

Nasional Terakreditasi

Nasional Tidak Terakreditasi

a. Kelengkapan unsur isi jurnal (10%) 2.00 1,40

b. Ruang lingkup dan kedalaman

pembahasan (30%) 6.00 3,30

c. Kecukupan dan kemutahiran

data/informasi dan metodologi (30%) 6.00 4,20

d. Kelengkapan unsur dan kualitas

terbitan/jurnal (30%) 6.00 3,60

Total = (100%) 20.00 12,50

Nilai Pengusul = (40% x 12,50 ) = 5,00 Catatan Penilaian artikel oleh Reviewer :

1. Kesesuaian dan kelengkapan unsur isi jurnal:

2. Ruang lingkup dan kedalaman pembahasan:

3. Kecukupan dan kemutakhiran data/informasi dan metodologi:

4. Kelengkapan unsur dan kualitas terbitan:

Semarang, 12 April 2020 Reviewer 1

Prof. Dr. Ir. Suripin, M. Eng NIP. 196004271987031001

Unit Kerja : Departemen Teknik Sipil FT UNDIP 20

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LEMBAR

HASIL PENILAIAN SEJAWAT SEBIDANG ATAU PEER REVIEW KARYA ILMIAH : JURNAL ILMIAH

Judul Jurnal Ilmiah (Artikel) : Debris Flow Disaster Mitigation Through Community-Based Integrated Sediment Management (Best Practice in Mt. Merapi Area, Indonesia)

Jumlah Penulis : 2 orang (Kazuhiko Otani, Suharyanto) Status Pengusul : penulis ke - 2

Identitas Jurnal Ilmiah : a. Nama Jurnal : Journal of the Civil Engineering Forum

b. Nomor ISSN : ISSN 5249-5925 (online) | ISSN 2581-1037 (print) c. Vol, No., Bln Thn : Volume: XXI/3 - September 2012

d. Penerbit : Universitas Gadjah Mada, Indonesia e. DOI artikel (jika ada) : DOI: https://doi.org/10.22146/jcef.18921 f. Alamat web jurnal : https://journal.ugm.ac.id/jcef/article/view/18921

Alamat Artikel : https://journal.ugm.ac.id/jcef/article/view/18921/12217 g. Terindex : Google Scholar

Kategori Publikasi Jurnal Ilmiah : √ Jurnal Ilmiah Internasional

(beri pada kategori yang tepat) Jurnal Ilmiah Nasional Terakreditasi Jurnal Ilmiah Nasional Tidak Terakreditasi

Hasil Penilaian Peer Review :

Komponen Yang Dinilai

Nilai Maksimal Jurnal Ilmiah

Nilai Akhir Yang Diperoleh Internasional

Nasional Terakreditasi

Nasional Tidak Terakreditasi

a. Kelengkapan unsur isi jurnal (10%) 2,00 1,00

b. Ruang lingkup dan kedalaman pembahasan (30%)

6,00 4,00

c. Kecukupan dan kemutahiran

data/informasi dan metodologi (30%)

6,00 3,50

d. Kelengkapan unsur dan kualitas terbitan/jurnal (30%)

6,00 5,50

Total = (100%) 20,00 14,00

Nilai Pengusul = (40% x 14,00 ) = 5,60

Catatan Penilaian artikel oleh Reviewer :

1. Kesesuaian dan kelengkapan unsur isi jurnal:

Judul sesuai dengan isi dari artikel. Kelengkapan artikel berdasarkan sistematika penulisan, terdiri dari: Title, Abstract, Introduction, Result and disscussion, Conclusion, References. Tidak terdapat metode penelitian.

2. Ruang lingkup dan kedalaman pembahasan:

Lingkup studi sesuai dengan bidang ilmu penulis. Artikel merupakan assessment kegiatan mitigasi bencana sekunder Gunung Merapi. Tidak ada pembahasan dari hasil studi, dengan hasil studi berupa kesimpulan hasil penilaiaan.

3. Kecukupan dan kemutakhiran data/informasi dan metodologi:

Terdapat empat rujukan sekunder.

4. Kelengkapan unsur dan kualitas terbitan

Artikel diterbitkan dalam Jurnal Internasional Journal of the Civil Engineering Forum, open access

Semarang, 16 April 2020 Reviewer 2

Prof. Dr. Ir. Sri Sangkawati, M.Sc.

NIP. 195409301980032001

Unit Kerja : Departemen Teknik Sipil FT UNDIP 20

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2/7/2020 DEBRIS FLOW DISASTER MITIGATION THROUGH COMMUNITY-BASED... - Google Cendekia

https://scholar.google.com/scholar?hl=id&as_sdt=0%2C5&q=DEBRIS+FLOW+DISASTER+MITIGATION+THROUGH+COMMUNITY-BASED+IN… 1/1 K Otani, S Suharyanto - Journal of the Civil Engineering Forum - journal.ugm.ac.id

Mt. Merapi is one of many active volcanoes in Indonesia which erupts frequently. The small eruption occurred nearly every year, whereas the big ones occurred at approximately once every five years. The eruption often produces impacts at both positive and negative view points, such as production of sediment as construction material and damage on

infrastructures due to debris flow occurrences respectively. The eruption produces two types of disasters, ie primary disaster (such as ash fall, pyroclastic flow, and lava flow), and … Menampilkan hasil terbaik untuk penelusuran ini. Lihat semua hasil

DEBRIS FLOW DISASTER MITIGATION THROUGH COMMUNITY-BASED

INTEGRATED SEDIMENT MANAGEMENT (BEST PRACTICE IN MT. MERAPI

AREA …

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Ali Awaludin, Structural Engineering, Universitas Gadjah Mada, Indonesia

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Djoko Legono, Hydraulics Laboratory, Universitas Gadjah Mada, Indonesia Lindung Zalbuin Mase, Geotechnical Engineering, Universitas Bengkulu, Indonesia Ni Nyoman Nepi Marleni, Environmental Engineering, Universitas Gadjah Mada, Indonesia Suprapto Siswosukarto, Structural Engineering, Universitas Gadjah Mada, Indonesia

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Tantri Handayani, Construction Management, Universitas Gadjah Mada, Indonesia Angga Fajar Setiawan, Structural Engineering, Universitas Gadjah Mada, Indonesia Dimuth Navaratna, Environmental Engineering, Victoria University, Australia

Edwin K. Kanda, Hydraulics and Water Resources Engineering, Masinde Muliro University of Science and Technology, Kenya

Endita Prima Ari Pratiwi, Hydraulic and Water Resources Engineering, Rice husk biochar application, Water Saving Irrigation, Universitas Gadjah Mada, Indonesia

Fikri Faris, Geo-technics/Soil Mechanics Engineering, Universitas Gadjah Mada, Indonesia Frank Dehn, Structural Engineering, Karlsruhe Institute of Technology, Germany Imam Muthohar, Transportation Laboratory, Universitas Gadjah Mada, Indonesia

Johan Syafri Mahathir Ahmad, Environmental Engineering, Universitas Gadjah Mada, Indonesia Masria Mustafa, Transportation Engineering, Universiti Teknologi MARA, Malaysia

Othman Jaafar, Hydraulics and Water Resources Engineering, Universiti Kebangsaan Malaysia, Malaysia Rini Kusumawardani, Geotechnical Engineering, Universitas Negeri Semarang, Indonesia

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Home > Archives > Volume: XXI/3 - September 2012

Volume: XXI/3 - September 2012

THE ANALYSIS OF SABO DAM PERFORMANCE AS A SEDIMENT CONTROL STRUCTURE IN PUTIH RIVER, MT. MERAPI

Andre Wisoyo

PT. Barunadri Engineering Consultant, INDONESIA Email: [email protected]

ABSTRACT

Mt. Merapi’s eruption which occurred on 26 October 2010 had disadvantageous impact for human life that live surrounds it.

The primary disaster was pyroclastic cloud that destroyed villages surround it. In addition, the secondary disaster continuously became a threat for human life around the rivers that destroyed at Mount Merapi. One of the secondary disasters is Putih River’s volcanic material overflowing into Yogyakarta-Magelang Highway. The series of Sabo dam which had been built along the river could not handle that phenomenon. Sabo dam was built and expected to accommodate volcanic material or at least to resist the velocity of volcanic material (sediment controlling), so the damage caused by the flow became relatively small. However, this function could not work at that phenomenon. In order to know the function of sediment control of Sabo dam in Putih River, it is necessary to study the performance of Sabo dam. This research used Kanako software ver. 2.04 and reviewed Sabo dam PU-D1 Mranggen and PU-C8 Ngaglik. There were four simulated scenarios in this research: a scenario without Sabo dam; with Sabo dam PU-D1 Mranggen; with Sabo dam PU-C8 Ngaglik, and the last with two of Sabo dams. The simulation was based on 23 January 2011 event and simulated for 18.000 s. From this research, it can be concluded that Sabo dam PU-D1 Mranggen can reduce the total volume passing through about 43,998.6 m³ or 1.53 % for 5 hours, and reduce the sediment volume that passing through about 28,482 m³ or 52.59 % for 5 hours. Sabo dam PU-C8 Ngaglik can reduce the total volume that passing through about 255.6 m³ or 0.01 % for 5 hours, and reduce the sediment volume that passing through about 124.8 m³ or 0.33 % for 5 hours, and Sabo dam PU-D1 Mranggen and PU-C8 Ngaglik in series can reduce the total volume that passing through about 2,340.6 m³ or 0.08 % for 5 hours, and reduce the sediment volume that passing through about 157.8 m³ or 0.41 % for 5 hours

Keywords:

Cold Lava, Kanako software, performance of Sabo Dam

1 INTRODUCTION

The secondary disaster caused by Merapi eruption, continuously became a threat for human life around the rivers that disgorge at Mount. Merapi. One of the secondary disasters is Putih River’s material overflowing into Yogyakarta-Magelang Highway.

The series of Sabo dam built along the river could not handle that phenomenon. Sabo dam was built and expected to accommodate volcanic material, or at least to resist the velocity of volcanic material (sediment controlling), so the damage that caused by the flow became relatively small. However, this function could not work at that phenomenon. In order to know the function of sediment controlling of Sabo dam in Putih River, it is necessary to study the performance of Sabo dam. This research used Kanako software ver. 2.04.

This research was using one dimension analysis on production and transportation area and two dimension analysis on sedimentation area. This research reviewed Sabo dam PU-D1 Mranggen and PU-C8 Ngaglik, and was based on 23 January 2011 event.

This research has a goal to model the phenomenon that happens and knows the performance of Sabo Dam in sediment control function. This research is expected to prove that software Kanako can be used to analyze debris flow, so that the next research will be practical and cheaper.

2 LITERATURE REVIEW 2.1 Related Research

Sumaryono (2009), conducted a research about sabo

dam planning in Cipanas using software Kanako

Version 1.40. Their research concluded that Kanako

Version 1.40 can describe debris flow phenomenon,

and also analyze the performance of the proposed

sabo dam. From the research, there were various

debris flow discharges, final slope was produced

various sabo dam types. The research concluded that

the sediment discharge was reduced gradually

downstream because the slope was decreased.

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Civil Engineering Forum Volume XXI/3 - September 2012

1279

DEBRIS FLOW DISASTER MITIGATION THROUGH COMMUNITY-BASED INTEGRATED SEDIMENT MANAGEMENT

(BEST PRACTICE IN MT. MERAPI AREA, INDONESIA)

K. Otani

Yachiyo Engineering Co. Ltd, JICA, JAPAN Email: [email protected]

Suharyanto

Civil Engineering Department, Universitas Diponegoro, INDONESIA Email: [email protected]

ABSTRACT

Mt. Merapi is one of many active volcanoes in Indonesia which erupts frequently. The small eruption occurred nearly every year, whereas the big ones occurred at approximately once every five years. The eruption often produces impacts at both positive and negative view points, such as production of sediment as construction material and damage on infrastructures due to debris flow occurrences respectively. The eruption produces two types of disasters, i.e. primary disaster (such as ash fall, pyroclastic flow, and lava flow), and secondary disaster such as debris flow. This paper presents the long term effort on the development of community participation in the sand mining management as one of strategic disaster mitigation activities. The raising awareness of the community on the necessity of conducting proper sand mining management and its effect on reducing the risk due to debris flow disaster has shown the effectives of the approach being introduced. The local government acceptance on the presence of the community participation in the whole system of sediment management may involve further collaboration between the local government authority and community society in the future.

Keywords:

sediment management, community-based, debris flow disaster, mitigation.

1 INTRODUCTION

The history of the Mt. Merapi eruption has shown that the impact of the primary disaster due to the eruption may cause relatively higher casualties rather than the secondary disaster. However, the threat of the secondary disaster would be longer and often contributes a huge damage and losses, which often caused severe suffers to the people at surrounding Mt.

Merapi area. Eruption frequency in the last twenty years is more than once in five years, resulting 8 times eruption since 1990. Mt. Merapi eruption is generally characterized with 1) pyroclastic flows due to collapse of lava dome or lava tip leaving the volcanic loose deposit on the slope of Mt. Merapi, 2) volcanic ash fall and 3) debris flows in the following rainy seasons after eruption. On the other hand, dense populated cities/towns such as Yogyakarta City (center for education, tradition and culture) extend in the south foot of Mt. Merapi and there are 2.7 million inhabitants around Mt. Merapi.

The scale of the last eruption in October and November 2010 with the spewed pyroclastic material of 130 million m

³

exceeds the 1872 eruption (the largest eruption on record), causing 386 fatalities, and

400,000 evacuees and loses of 3,300 houses/buildings.

During the rainy season from December 2010 to March 2011, a large amount of erupted sediment flew to downstream as debris flows causing the significant damages on river infrastructures and assets. The above illustration performs the evidence of how the severe the impact of the debris flow occurrence. However, it is obvious that the eruption also produces the huge number of sediment that may contribute economic value where community could take advantages. Since Mt. Merapi is located in densely populated area and important region for economy and administration, it is well equipped with disaster management facilities such as monitoring, forecasting & warning system, evacuation system, emergency relief, structural measures (sabo dams), and research institutions to analyze the nature of hazard, develop & disseminate disaster management, NGOs participation and so on.

JURNAL ILMIAH Judul Jurnal Ilmiah (Artikel) : Debris Fl

DEBRIS FLOW DISASTER MITIGATION THROUGH COMMUNITY-BASED

INTEGRATED SEDIMENT MANAGEMENT (BEST PRACTICE IN MT. MERAPI

AREA …

Editorial Team

Volume: XXI/3 - September 2012

Table of Contents

THE ANALYSIS OF SABO DAM PERFORMANCE AS A SEDIMENT CONTROL STRUCTURE IN PUTIH RIVER, MT. MERAPI

Andre Wisoyo

ABSTRACT

Keywords:

1 INTRODUCTION

The secondary disaster caused by Merapi eruption, continuously became a threat for human life around the rivers that disgorge at Mount. Merapi. One of the secondary disasters is Putih River’s material overflowing into Yogyakarta-Magelang Highway.

This research was using one dimension analysis on production and transportation area and two dimension analysis on sedimentation area. This research reviewed Sabo dam PU-D1 Mranggen and PU-C8 Ngaglik, and was based on 23 January 2011 event.

This research has a goal to model the phenomenon that happens and knows the performance of Sabo Dam in sediment control function. This research is expected to prove that software Kanako can be used to analyze debris flow, so that the next research will be practical and cheaper.

2 LITERATURE REVIEW 2.1 Related Research

Sumaryono (2009), conducted a research about sabo

dam planning in Cipanas using software Kanako

Version 1.40. Their research concluded that Kanako

Version 1.40 can describe debris flow phenomenon,

and also analyze the performance of the proposed

sabo dam. From the research, there were various

debris flow discharges, final slope was produced

various sabo dam types. The research concluded that

the sediment discharge was reduced gradually

downstream because the slope was decreased.

DEBRIS FLOW DISASTER MITIGATION THROUGH COMMUNITY-BASED INTEGRATED SEDIMENT MANAGEMENT

(BEST PRACTICE IN MT. MERAPI AREA, INDONESIA)

K. Otani

Suharyanto

ABSTRACT

Keywords:

1 INTRODUCTION

The scale of the last eruption in October and November 2010 with the spewed pyroclastic material of 130 million m

exceeds the 1872 eruption (the largest eruption on record), causing 386 fatalities, and

400,000 evacuees and loses of 3,300 houses/buildings.

The Urgent Disaster Reduction Project for Mt.

Merapi, Progo River Basin funded by Japan

International Cooperation Agency (JICA) has been

implemented by the Directorate General of Water

Resources (DWGR), Ministry of Public Works, since