Gunardi Kusumah
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POLA SEBARAN SEDIMEN DASAR BERDASARKAN KARAKTERISTIK MORFOLOGI DAN HIDRO-OSEANOGRAFI MENGGUNAKAN MODEL INTERPOLASI DAN SIMULASI NUMERIK DI PERAIRAN UTARA PULAU SIMEULUECUT Ulung Jantama Wisha; Wisnu Arya Gemilang; Guntur Adhi Rahmawan; Gunardi Kusumah
Jurnal Kelautan Vol 10, No 1 (2017)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v10i1.1618

Abstract

Pulau Simeulue Cut merupakan kawasan Konservasi yang nantinya akan diarahkan untuk Daerah Perlindungan Laut (DPL) dan Taman Wisata Bahari (TWB), sehingga diperlukan Managemen Plan Kawasan Konservasi Laut Daerah. Tujuan dari penelitian ini adalah untuk mengetahui sebaran sedimen cross-shore di pesisir Pulau Simeulue cut berdasarkan kajian batimetri dan arus pasang surut. Metode penelitian yang digunakan adalah metode studi kasus untuk mengetahui kedalaman, pola sebaran sedimen permukaan dasar laut dan kondisi oseanografi fisika di perairan Simeuluecut secara kualitatif. Hasil pemeruman dianalisis secara spasial dengan menggunakan software Surfer 10 dan ArcGIS 10, Pengukuran arus dan pasang surut dengan menggunakan alat ADCP dan simulasi numerik hidrodinamika dengan menggunakan software MIKE 21 dan pengolahan data pasang surut dengan metode admiralty. Kedalaman perairan berkisar antara 0 - 26 meter dan kelerengan berkisar antara 10% - 15%, sedimen permukaan dasar diperoleh tiga satuan sedimen yaitu pasir kasar, satuan pasir sedang dan satuan pasir halus lanauan (silty sand), verifikasi hasil permodelan didapatkan RMSE sebesar 11,7 %. Kecepatan arus berkisar antara 0 - 0,02 m.s-1pada saat surut menuju pasang dan berkisar antara 0-0,006 m.s-1 pada saat pasang menuju surut, untuk kecepatan arus longshore berkisar antara 0,006 - 0,027 m.s-1 pada kondisi surut menuju pasang dan berkisar antara 0,001 - 0,006 m.s-1 pada kondisi pasang menuju surut, hasil pasang surut didapatkan nilai MSL sebesar 12,53 meter dan tidal range sebesar 2,2 meter, Kondisi oseanografi mempengaruhi distribusi sedimen cross-shore di bibir pantai dan secara langsung mempengaruhi kondisi batimetri di perairan Simeuluecut.Kata Kunci: Batimetri, hidrodinamika, sedimen, Simeuluecut, spatial analisis DISTRIBUTION PATTERNS OF BOTTOM SEDIMENT BASED FROM MORPHOLOGICAL AND HYDRO-OCEANOGRAPHY CHARACTERISTICS USING INTERPOLATION AND NUMERICAL SIMULATION MODEL IN SIMEULUECUT ISLAND NORTHERN WATERS Simeuluecut Island is a conservation area which will be directed as Marine Protected Areas and Wildlife Marine Tourism, it needs to manage the plan of Regional Marine Conservation Area. The purpose of this study was to determine the distribution of bed sediment in the Simeuluecut coastal area based on the study of the bathymetry and the tidal current condition. The method employed is case study method to determine the depth, the distribution pattern of the seabed sediment and physical oceanographic conditions in the Simeuluecut waters qualitatively. The sounding results of bathymetry survey are analyzed spatially, the hydrodynamic condition is simulated by using flow model fm and tide data is analyzed by admiralty method. The depth of the water ranged from 0-26 meters and slope ranged from 10%-15%, obtained three units of surface bed sediment, that are coarse sand, medium sand, and silty sand. Current velocity ranged from 0 to 0,02 m.s-1 at low tide towards the high tide condition and ranged from 0-0,006 m.s-1 at high tide towards low tide condition, the longshore current velocity ranged from 0.006-0,027 m.s-1 at the high tide and ranged from 0,001-0,006 m.s-1 at low tide condition, the MSL value obtained 12,53 m and the tidal range reach 2,2 m, oceanographic conditions has an influence on the  bed sediment distribution in the nearshore area and directly affect to the morphology change occurrence in the Simeuluecut waters. Keywords: Bathymetry, hydrodynamic, Sediment, Simeuluecut, Spatial analysis
Analysis of Water Quality for Tourism Suitability at Indonesia’s Front Island: Ganting Beach, Simeuleu Island, Nanggroe Aceh Darussalam Herdiana Mutmainah; Gunardi Kusumah; Try Altanto; Koko Ondara
AQUASAINS Vol 4, No 2 (2016)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4286.762 KB)

Abstract

Indonesia is an archipelago country with potential marine and coastal. Simeulue Island, NAD is one of the leading island in west of the Republic of Indonesia and located in Hindia Ocean. Simeulue have potential marine waters such as fish, lobster, crab and sea cucumber as well as ecosystems such as coral reefs and mangroves. Simeulue is an area that affected by the tsunami or Smong (in local term means running) at eleven years ago on 26 December 2004. A big change that happen is the accretion on most coasts such as in the area around the northwest to the northeast. This accretion marked by the widening of the coast towards the sea and the lifting of the corals to the surface because ofthe movement of tectonic plate subduction Sunda arc (Natawidjaja, 2007). This study aims to determine the condition of the water quality and the potential suitability of a marine tourism in this region to foreign countries. Location of study at Ganting Beach, Village of Kuala Makmur, Simeulue regency, Simeulue Island. The research was conducted in August 2015. The number of sampling station is 12 points with purposive sampling method. Observation of water quality parameters are pH, temperature,salinity, turbidity, dissolved oxygen, brightness, BOD5, odors, oil and debris. These parameters are then mapped using software ODV, analyzed and compared with the sea water quality standard for marine tourism as well as the characteristics of the coast to the suitability index of recreational area. Water quality parameters showed pH values ranged from 10.05 to 10.25; temperature from 29.80 to 31.90 (° C); salinity from 27.60 to 32.70 (ppt); turbidity from 0.00 to 3.50 (NTU); dissolved oxygen from 7.46 to 8.77 (mg / L); BOD5 from 0.897 to 1.076 (mg/ L); brightness 8.50 to 15.40 (m); no smell; no oil layer; and no debris. The results showed that the water quality P. Ganting is very suitable for recreational activities (index 77, category S1) and it is suitable for swimming and also for boating tourism activities, banana boats and jet skis (index 16, category S2).
Kajian kesesuaian lingkungan untuk pengembangan wisata di Pantai Ganting, Pulau Simeulue, Provinsi Aceh Herdiana Mutmainah; Gunardi Kusumah; Try Altanto; Koko Ondara
Depik Vol 5, No 1 (2016): APRIL 2016.
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1202.371 KB) | DOI: 10.13170/depik.5.1.3844

Abstract

Abstract. Simeulue Island is situated Indian Ocean in western part of Aceh Province, this is one of the outer island in Indonesia. Simeulue has big potency in marine resources such as  clean waters and beautiful beach, coral reefs and mangrove ecosystems. Therefore, Simeulue is very promising as an ecotourism destination. The objective of present study was to evaluate the condition of the water quality and the potency for a marine ecotourism development. The feasibility study was conducted on August in Ganting Beach, Village of Kuala Makmur, Simeulue Island. The purposive random sampling method was used to determine twelve sampling stations. The measured water quality parameters were pH, temperature, salinity, turbidity, dissolved oxygen, brightness, BOD5, odors, oil and debris. These parameters were analyized and mapped using software ODV, and then compared to the sea water quality standard for marine tourism as well as the characteristics of the coast to the suitability index of recreational area. The results showed that the water quality of Ganting Beach is very suitable for recreational activities (index 77, category S1)  andit is suitable for swimming and also for boating tourism activities, banana boats and jet skis (index 16, category S2).Keywords: water quality; marine tourism; Ganting Beach Abstrak. Pulau Simeulue, merupakan salah satu pulau terdepan sebelah barat Negara Kesatuan Republik Indonesia (NKRI), dan terletak di Samudera Hindia.Simeulue memiliki potensi sumberdaya laut yang besar, diantaranya perairan yang besih dan jenih, pantai yang indah, terumbu karang dan hutan bakau, sehingga sangat berpotensi untuk dikembang menjadi tujuan wisata. Penelitian ini bertujuan untuk menilai kondisi kualitas perairan dan potensi kesesuaian wisata Pulau Simeulue.Penelitian ini dilaksanakan pada bulan Agustus 2015 bertempat di Pantai Ganting, Kelurahan Kuala Makmur, Kabupaten Simeulue. Sebanyak 12 lokasi pengambilan sampel kualitas air ditetapkan secara purposive random sampling. Kualitas air yang diukur meliputi; pH, suhu, salinitas, kekeruhan, oksigen terlarut, kecerahan, BOD5, bau, lapisan minyak dan sampah. Data tersebut kemudian dipetakan dan dianalisis menggunakan software Ocean Data View (ODV), kemudian dibandingkan dengan baku mutu air laut untuk wisata bahari serta karakteristik pantai untuk indeks kesesuaian kawasan wisata rekreasi. Hasil penelitian menunjukkan bahwa kualitas perairan Pantai Ganting sangat sesuai untuk kegiatan rekreasi dan berenang (indeks 77, kategori S1) dan sesuai untuk kegiatan wisata berperahu, banana boat dan jet ski (indeks 16, kategori S2).Kata kunci:kualitas perairan; wisata bahari; Pantai Ganting.
Kajian kesesuaian lingkungan untuk pengembangan wisata di Pantai Ganting, Pulau Simeulue, Provinsi Aceh Herdiana Mutmainah; Gunardi Kusumah; Try Altanto; Koko Ondara
Depik Vol 5, No 1 (2016): APRIL 2016.
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.5.1.3844

Abstract

Abstract. Simeulue Island is situated Indian Ocean in western part of Aceh Province, this is one of the outer island in Indonesia. Simeulue has big potency in marine resources such as  clean waters and beautiful beach, coral reefs and mangrove ecosystems. Therefore, Simeulue is very promising as an ecotourism destination. The objective of present study was to evaluate the condition of the water quality and the potency for a marine ecotourism development. The feasibility study was conducted on August in Ganting Beach, Village of Kuala Makmur, Simeulue Island. The purposive random sampling method was used to determine twelve sampling stations. The measured water quality parameters were pH, temperature, salinity, turbidity, dissolved oxygen, brightness, BOD5, odors, oil and debris. These parameters were analyized and mapped using software ODV, and then compared to the sea water quality standard for marine tourism as well as the characteristics of the coast to the suitability index of recreational area. The results showed that the water quality of Ganting Beach is very suitable for recreational activities (index 77, category S1)  andit is suitable for swimming and also for boating tourism activities, banana boats and jet skis (index 16, category S2).Keywords: water quality; marine tourism; Ganting Beach Abstrak. Pulau Simeulue, merupakan salah satu pulau terdepan sebelah barat Negara Kesatuan Republik Indonesia (NKRI), dan terletak di Samudera Hindia.Simeulue memiliki potensi sumberdaya laut yang besar, diantaranya perairan yang besih dan jenih, pantai yang indah, terumbu karang dan hutan bakau, sehingga sangat berpotensi untuk dikembang menjadi tujuan wisata. Penelitian ini bertujuan untuk menilai kondisi kualitas perairan dan potensi kesesuaian wisata Pulau Simeulue.Penelitian ini dilaksanakan pada bulan Agustus 2015 bertempat di Pantai Ganting, Kelurahan Kuala Makmur, Kabupaten Simeulue. Sebanyak 12 lokasi pengambilan sampel kualitas air ditetapkan secara purposive random sampling. Kualitas air yang diukur meliputi; pH, suhu, salinitas, kekeruhan, oksigen terlarut, kecerahan, BOD5, bau, lapisan minyak dan sampah. Data tersebut kemudian dipetakan dan dianalisis menggunakan software Ocean Data View (ODV), kemudian dibandingkan dengan baku mutu air laut untuk wisata bahari serta karakteristik pantai untuk indeks kesesuaian kawasan wisata rekreasi. Hasil penelitian menunjukkan bahwa kualitas perairan Pantai Ganting sangat sesuai untuk kegiatan rekreasi dan berenang (indeks 77, kategori S1) dan sesuai untuk kegiatan wisata berperahu, banana boat dan jet ski (indeks 16, kategori S2).Kata kunci:kualitas perairan; wisata bahari; Pantai Ganting.