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All Journal Journal of Applied Geospatial Information JURNAL ENGGANO Jurnal Akuatiklestari Dinamika Maritim Journal of Maritime Empowerment
Chandra Joei Koenawan
Raja Ali Haji Maritime University, Department Of Marine Science, Tanjungpinang, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Physics Social Sciences Other

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KAPASITAS ASIMILASI BEBAN PENCEMARAN DI PERAIRAN TELUK RIAU Idris, Fadhliyah; Koenawan, Chandra Joei; Jumsurizal, Jumsurizal; Syakti, Agung Dhamar
Dinamika Maritim Vol 6 No 2 (2018): Dinamika Maritim, Vol. 6 No. 2, February 2018
Publisher : Coastal and Marine Resources Research Center, Raja Ali Haji Maritime University, Tanjungpinang, Indonesia

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Abstract

Riau bay, Tanjungpinang City has been subject for domestic wastes contamination due to the high number of population living in the coastal area. This study aims to determine water quality condition including the pollutant load and the level of assimilation capacity in Riau bay waters. Using a survey method by purposive sampling strategy, the research was conducted by analyzing several physic-chemicals parameters. The results showed the measured physical parameters was still below the threshold level stipulating Minister Decree No. No 51 of 2004. Pollutant loads represented by BOD5, TSS  and ammonia were 12,71 mg/L, 239,95  mg/L and 5,33 mg/L respectiely. Our finding showed the assimilation capacity level for BOD5, TSS  and ammonia were 159,26 ton/year, 530,98 ton/year and 0,86 ton/year, respectively.
GLOBAL WARMING DAN PENGARUHNYA TERHADAP KARAKTERISTIK GELOMBANG LAUT DI PANTAI TIMUR PULAU BINTAN YANG DITINJAU DARI PERSPEKTIF KLIMATOLOGI Illona, Dea Jessi; Jaya, Yales Veva; Koenawan, Chandra Joei; Suhana, Mario Putra
Dinamika Maritim Vol 7 No 1 (2018): Dinamika Maritim, Vol. 7 No. 1, August 2018
Publisher : Coastal and Marine Resources Research Center, Raja Ali Haji Maritime University, Tanjungpinang, Indonesia

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Abstract

Pengaruh global warming berdampak terhadap kondisi oseanografi fisika di laut seperti naiknya suhu permukaan laut (SPL). Selain itu peningkatan suhu juga berpengaruh terhadap perubahan iklim yang akan meningkatkan kecepatan angin global sehingga akan berimplikasi terhadap perubahan ketinggian gelombang laut di masa yang akan datang. Tujuan dari penelitian ini untuk mengetahui karakteristik gelombang pada saat sebelum dan selama global warming di pantai timur Pulau Bintan. Tahap peramalan gelombang dimulai dengan melakukan pengolahan data angin yang diunduh dari European Centre for Medium-Range Weather Forecasts (ECMWF) kemudian data diekstrak melalui Ocean Data View (ODV) dan dianalisis menggunakan Wind Rose. Arah dan kecepatan angin digunakan untuk penentuan fetch efektif dalam peramalan gelombang yang menggunakan metode Sverdrup Munk Bretschneider (SMB). Selanjutnya menganalisis fluktuasi SPL dan mengkomparasi dengan karakter gelombang. Hasil penelitian menunjukan bahwa adanya perbedaan karakter gelombang laut dalam skala kecil antara tahun 1985-1989 sebagai tahun yang diasumsikan belum meningkatnya suhu secara signifikan dan 2001-2005 mulainya peningkatan suhu secara intensif. Pola karakter gelombang di pantai timur Pulau Bintan dipengaruhi oleh arah datangnya angin musiman yang bergerak secara periodik dengan persentase dua puncak tertinggi pada Musim Utara dan Musim Selatan serta persentase terendah pada Musim Peralihan.
GLOBAL WARMING DAN PENGARUHNYA TERHADAP KARAKTERISTIK GELOMBANG LAUT DI PANTAI TIMUR PULAU BINTAN YANG DITINJAU DARI PERSPEKTIF KLIMATOLOGI Illona, Dea Jessi; Jaya, Yales Veva; Koenawan, Chandra Joei; Suhana, Mario Putra
Dinamika Maritim Vol 7 No 1 (2018): Dinamika Maritim, Vol. 7 No. 1, August 2018
Publisher : Pusat Penelitian Sumberdaya Pesisir dan Laut, Universitas Maritim Raja Ali Haji, Indonesia

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Abstract

The influence of global warming has impact on physics oceanographic conditions such as rising sea surface temperature (SST). Beside that, the increase of temperature will affect to climate change which also increase the global wind speed so it will has implied for future ocean wave height. In this study aims to determine the characteristics of ocean wave at the east coast Bintan Island. Hind casting of ocean wave start by processing sea surface wind by downloaded from European Centre for Medium-Range Weather Forecasts (ECMWF), data will be extracted through Ocean Data View (ODV) and analyzed by using wind rose. The characteristic of wind used for calculation effective fetch length for referred to Sverdrup Munk Bretschneider (SMB) method. Fluctuation of SST will be compared to ocean wave height. Result of this study showed that there were differences in the character of ocean waves on a small scale between 1985-1989 as the year that rising temperature have not yet assumed significantly and 2001-2005 temperature begin increase intensively. The pattern of ocean wave at the east coast Bintan Island effected by seasonal wind that moves periodically with the two highest wind speed from north and south, along with lowest speed is during the transition.
KAPASITAS ASIMILASI BEBAN PENCEMARAN DI PERAIRAN TELUK RIAU Idris, Fadhliyah; Koenawan, Chandra Joei; Jumsurizal, Jumsurizal; Syakti, Agung Dhamar
Dinamika Maritim Vol 6 No 2 (2018): Dinamika Maritim, Vol. 6 No. 2, February 2018
Publisher : Pusat Penelitian Sumberdaya Pesisir dan Laut, Universitas Maritim Raja Ali Haji, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Riau bay, Tanjungpinang City has been subject for domestic wastes contamination due to the high number of population living in the coastal area. This study aims to determine water quality condition including the pollutant load and the level of assimilation capacity in Riau bay waters. Using a survey method by purposive sampling strategy, the research was conducted by analyzing several physic-chemicals parameters. The results showed the measured physical parameters was still below the threshold level stipulating Minister Decree No. No 51 of 2004. Pollutant loads represented by BOD5, TSS and ammonia were 12,71 mg/L, 239,95 mg/L and 5,33 mg/L respectiely. Our finding showed the assimilation capacity level for BOD5, TSS and ammonia were 159,26 ton/year, 530,98 ton/year and 0,86 ton/year, respectively.
Characteristic of Sea Waves Southern Batam City waters-Northen Lingga District waters Soedrajad Haryo Adji; Risandi Dwirama Putra; Mario Putra Suhana; Try Febrianto; Chandra Joei Koenawan
Journal of Applied Geospatial Information Vol 4 No 2 (2020): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5.275 KB) | DOI: 10.30871/jagi.v4i2.1458

Abstract

The southern Batam City sea and northern of Lingga District sea are often used by fishing locations and shipping traffic from Batam City to Lingga District. Southern of Batam City sea-northen Lingga District sea have uncertain sea wave conditions that can affect the stability of ship traffic. The purpose of this study is to determine characteristic of sea waves along with wind speed and directions. Characteristic analysis of ocean waves using the SPM (Shore Protection Manual) method from wind direction and speed data in 2018. The height of ocean waves in the northen Batam City sea-southern Lingga District during 2018 is 2.59 meters with periods of 8.47 s up to 0.005 m with a period of 0.39 s. The average wave height in 2018 is 0.69 m with sea wave characteristic patterns still following seasonal wind conditions. The highest sea wave height conditions are in the northern season due to the geographical location of the southern Batam City sea-southern Lingga District sea in the Northern Hemisphere.
Identifikasi Keanekaragaman Spesies Elasmobranchii Hasil Tangkapan Nelayan Lokal Yang Didaratkan di Taman Wisata Perairan Timur Pulau Bintan Zamalludin, Zamalludin; Karlina, Ita; Hikmat Nugraha, Aditya; Armanto, Tri; Yandri, Fahmi; Angraini, Rika; Koenawan, Chandra Joei
JURNAL ENGGANO Vol. 9 No. 1 (2024)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jenggano.9.1.24-35

Abstract

Riau Islands Province has a larger water area than its land. This large water area then began to be managed with the establishment of a conservation area known as the Bintan Island Eastern Waters Tourism Park. The vast waters in the Riau Islands are thought to also have high diversity, one of which is Elasmobranchii species. The purpose of this study is to identify the species diversity and conservation status of Elasmobranchii from the catches landed by local fishermen in Bintan Island Eastern Waters Tourism Park. The method used in this study is a survey method, which is descriptive to determine the description of the results of the identification of species diversity and conservation status of Elasmobranchii. From the results of this study, 12 species and 8 families of 72 Elasmobranchii individuals were identified, with a diversity index value of H' = 2.21 (medium), uniformity index E = 0.89 (very good), and dominance index C = 0.14 (low) or no dominating species. From the conservation status analysis, it was found that 42% or 5 out of 12 Elasmobranchii species were categorized as Vulnerebel, 25% (3 species) were categorized as endangered and 8% (1 species) were categorized as critically endangered, 75% of Elasmobranchii species landed at the study site had a decreasing population status.   Keywords: Bintan, Elasmobranchii, Diversity, Conservation
PENINGKATAN PEMAHAMAN MASYARAKAT MELALUI SOSIALISASI PENGELOLAAN SAMPAH BERBASIS OBSERVASI SAMPAH DI MANGROVE DOMPAK Idris, Fadhliyah; Hidayati, Jelita Rahma; Hayaty, Nurul; Koenawan, Chandra Joei; Yandri, Falmi; Kurniawan, Rika; Nugraha, Aditya Hikmat; Sadam, Sadam; Aditianda, Said Rully; Anjani, Poppy Yulia; Aulia, Hillyatul; Arifatin, Ilil; Achmadiyah, Soneta
Jurnal Pemberdayaan Maritim Vol 8 No 1 (2025): Journal of Maritime Empowerment
Publisher : Lembaga Penelitian, Pengabdian Masyarakat, dan Penjaminan Mutu, Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jme.v8i1.7700

Abstract

Permasalahan sampah laut di kawasan pesisir, termasuk ekosistem mangrove di Dompak, semakin memprihatinkan dengan dominasi sampah plastik dan keberadaan mikroplastik. Rendahnya kesadaran masyarakat dalam pengelolaan sampah mendorong perlunya kegiatan sosialisasi yang terarah dan berbasis data lapangan. Kegiatan ini bertujuan untuk meningkatkan pemahaman masyarakat melalui sosialisasi pengelolaan sampah sekaligus melakukan observasi jenis sampah di ekosistem mangrove Dompak. Metode yang digunakan meliputi sosialisasi dengan pre-test dan post-test untuk mengukur perubahan pemahaman masyarakat, serta pengamatan langsung komposisi sampah ukuran makro dan mikro di lokasi penelitian. Hasil uji Wilcoxon menunjukkan adanya perbedaan signifikan antara nilai pre test dan post test, sedangkan uji N-Gain menghasilkan peningkatan pemahaman masyarakat tentang pengelolaan sampah sebesar 66,67% pada kategori sedang. Observasi lapangan memperlihatkan bahwa sampah plastik mendominasi hingga 80% dari total komposisi sampah makro, sedangkan mikroplastik yang terdeteksi pada sedimen didominasi oleh tipe film sebesar 85%. Temuan ini mengindikasikan bahwa sosialisasi yang dilakukan efektif dalam meningkatkan pemahaman masyarakat tentang pengelolaan sampah, namun pencemaran plastik di ekosistem mangrove Dompak masih tinggi sehingga memerlukan tindak lanjut berupa aksi nyata dan penguatan pengelolaan sampah secara berkelanjutan.
Analisis Risiko Banjir Rob dan Kerentanan Pesisir di Kabupaten Kepulauan Anambas Koenawan, Chandra Joei; Zulfikar, Andi
Akuatiklestari Vol 9 No 1 (2025): Jurnal Akuatiklestari
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Ilmu Kelautan dan Perikanan, Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/akuatiklestari.v9i1.7698

Abstract

Studi difokuskan pada evaluasi risiko banjir rob serta tingkat kerentanan pesisir di Kabupaten Kepulauan Anambas, khususnya di Kecamatan Palmatak dan Kute Siantan. Kajian bertujuan menganalisis tingkat kerentanan dan risiko banjir rob melalui pendekatan integratif yang mencakup aspek sosial, fisik, ekonomi, dan lingkungan, serta menyusun indeks komposit kerentanan sebagai acuan dalam perencanaan mitigasi berbasis komunitas dan strategi adaptasi multipihak. Dilakukan pada 12 desa dengan menggunakan pendekatan pemetaan sosial dan analisis spasial. Data primer diperoleh melalui survei lapangan, kuesioner, dan wawancara, sedangkan data sekunder bersumber dari BPS, BNPB, dan peta Digital Elevation Model (DEM). Analisis risiko dilakukan melalui penerapan pendekatan penilaian risiko berbasis Pedoman Umum Pengkajian Resiko Bencana, dengan mempertimbangkan aspek ancaman, kerentanan, dan kapasitas wilayah. Hasil kajian menunjukkan bahwa banjir rob merupakan ancaman paling dominan dengan skenario terburuk berupa kenaikan muka laut hingga 5–6 meter di atas kondisi normal. Kerentanan sosial tertinggi ditemukan di Desa Tebang (53,02%) dan Ladan (52,75%), sementara kerentanan fisik terbesar tercatat di Desa Piabung dan Putik (100%). Kerentanan ekonomi relatif rendah (0–10%), sedangkan kerentanan lingkungan tertinggi (100%) terdapat di Teluk Bayur, Batu Ampar, Belibak, dan Langir. Secara komposit, indeks kerentanan tertinggi berada di Desa Tebang dan Ladan (57%). Kontribusi penelitian ini terletak pada penyajian peta kerentanan terintegrasi yang menggabungkan aspek sosial, fisik, ekonomi, dan lingkungan di kawasan pulau kecil. Hasil kajian ini dapat dijadikan dasar dalam perencanaan mitigasi berbasis masyarakat serta penyusunan strategi adaptasi multipihak, termasuk pelibatan sektor swasta melalui program CSR, guna memperkuat ketahanan masyarakat pesisir terhadap ancaman banjir rob.
Co-Authors Achmadiyah, Soneta Aditianda, Said Rully Aditya Hikmat Nugraha Agung Dhamar Syakti Angraini, Rika Anjani, Poppy Yulia Arifatin, Ilil Armanto, Tri Aulia, Hillyatul Fadhliyah Idris Falmi Yandri Hayaty, Nurul Illona, Dea Jessi Illona, Dea Jessi Ita Karlina Jaya, Yales Veva Jaya, Yales Veva Jelita Rahma Hidayati Jumsurizal Jumsurizal Kurniawan, Rika Mario Putra Suhana Risandi Dwirama Putra Sadam, Sadam Soedrajad Haryo Adji Try Febrianto Yandri, Fahmi Zamalludin, Zamalludin Zulfikar, Andi