Search Results - "Jonson Lumban-Gaol"

Impacts of climate changes on the phytoplankton biomass of the Indonesian Maritime Continent by Siswanto, Eko, Horii, Takanori, Iskandar, Iskhaq, Gaol, Jonson Lumban, Setiawan, Riza Yuliratno, Susanto, R. Dwi

“…We used more than two decades (1997–2019) of satellite-estimated phytoplankton chlorophyll-a concentration (Chl-a) during September–December time intervals to…”
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Sea Level Rise, Land Subsidence, and Flood Disaster Vulnerability Assessment: A Case Study in Medan City, Indonesia by Lumban-Gaol, Jonson, Sumantyo, Josaphat Tetuko Sri, Tambunan, Efendy, Situmorang, David, Antara, I Made Oka Guna, Sinurat, Maya Eria, Suhita, Ni Putu Asri Ratna, Osawa, Takahiro, Arhatin, Risti Endriani

“…Global sea level rise (SLR) has emerged as a pressing concern because of its impacts, especially increased vulnerability of coastal urban areas flooding. This…”
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Assessing land subsidence and analyzing tidal flooding in Tangerang, Banten by Arhatin, Risti Endriani, Gaol, Jonson Lumban, Nurjaya, I Wayan, Susilo, Setyo Budi, Kushardono, Dony, Nugroho, Udhi Catur, Jumarang, Muhammad Ishak, Sinurat, Maya Eria, Balbeid, Nabil

“…The increase in ocean temperature causes the expansion of seawater volume, resulting in an increase in sea level rise. The phenomenon of land subsidence also…”
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A Spatio-Temporal Data-Mining Approach for Identification of Potential Fishing Zones Based on Oceanographic Characteristics in the Eastern Indian Ocean by Fitrianah, Devi, Hidayanto, Achmad Nizar, Gaol, Jonson Lumban, Fahmi, Hisyam, Arymurthy, Aniati Murni

“…The traditional approach for determining potential fishing zones (PFZs) relies on oceanographic factors (biological, physical, and chemical) and fishermen's…”
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Variability of satellite-derived sea surface height anomaly, and its relationship with Bigeye tuna (Thunnus obesus) catch in the Eastern Indian Ocean by Lumban-Gaol, Jonson, Leben, Robert R., Vignudelli, Stefano, Mahapatra, Kedarnath, Okada, Yoshihiro, Nababan, Bisman, Mei-Ling, Marisa, Amri, Khairul, Arhatin, Risti Endriani, Syahdan, Muhammad

“…We analyzed the variability of sea surface height anomaly (SSHA), and its relationship with Bigeye tuna catch in the eastern Indian Ocean (EIO) off of Java…”
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Impact of the Strong Downwelling (Upwelling) on Small Pelagic Fish Production during the 2016 (2019) Negative (Positive) Indian Ocean Dipole Events in the Eastern Indian Ocean off Java by Jonson Lumban-Gaol, Eko Siswanto, Kedarnath Mahapatra, Nyoman Metta Nyanakumara Natih, I Wayan Nurjaya, Mochamad Tri Hartanto, Erwin Maulana, Luky Adrianto, Herlambang Aulia Rachman, Takahiro Osawa, Berri Miraz Kholipah Rahman, Arik Permana

“…Although researchers have investigated the impact of Indian Ocean Dipole (IOD) phases on human lives, only a few have examined such impacts on fisheries. In…”
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ESTIMASI RADIUS DEFORMASI UPWELLING DARI DATA SATELIT DAN ARGO FLOAT by Noor, Hariansyah, Gaol, Jonson Lumban, Nurjaya, I Wayan

“…Upwelling adalah proses naiknya massa air laut dari lapisan bawah ke permukaan akibat perbedaan tekanan permukaan. Terjadi proses upwelling akan meningkatkan…”
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Detection of Potential Fishing Zones of Bigeye Tuna (Thunnus Obesus) at Profundity of 155 m in the Eastern Indian Ocean by Fachruddin-Syah, Achmad, Gaol, Jonson Lumban, Zainuddin, Mukti, Apriliya, Nadela Rista, Berlianty, Dessy, Mahabror, Dendy

“…Remotely sensed data and habitat model approach were employed to evaluate the present of oceanographic aspect in the Bigeye tuna's potential fishing zone (PFZ)…”
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Seagrass Mapping Based on Satellite Image Worldview-2 by Using Depth Invariant Index Method by Manuputty, Agnestesya, Lumban Gaol, Jonson, Agus, Syamsul Bahri

“…Seagrass has an important role in coastal areas, so it’s sustainability need to be maintained. One effort to preserve it is sustainable manner management of…”
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Estimation of Attenuation Coefficient Values Using Remote Sensing and Its Relationship With Shallow Water Depth by Tiarasani, Anggi, Siregar, Vincentius Paulus, Gaol, Jonson Lumban

“…In ocean remote sensing, the intensity of light entering the water column decreases exponentially with increasing depth due to scattering and particle…”
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PEMETAAN GEOMORFOLOGI TERUMBU KARANG PULAU TUNDA MENGGUNAKAN KLASIFIKASI BERBASIS OBJEK by Fahriansyah, Fahriansyah, Gaol, Jonson Lumban, Panjaitan, James P

“…Pemetaan zona geomorfologi terumbu karang di Pulau Tunda ini belum pernah dilakukan khususnya menggunakan klasifikasi citra berbasis objek. Hasil pemetaan ini…”
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ALGORITMA UNTUK DETEKSI TUMPAHAN MINYAK DI LAUT TIMOR MENGGUNAKAN CITRA MODIS by Sudibjo, Muhammad, Siregar, Vincentius P., Gaol, Jonson Lumban

“…Tumpahan minyak di Laut Timor yang terjadi pada tahun 2009 telah menyebarkan minyak seluas 10.842.81 km2. Tumpahan minyak ini berhasil dideteksi oleh satelit…”
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Reconstruction of sea level change in Southeast Asia waters using combined coastal sea level data and satellite altimetry data by Parluhutan Manurung, Robert R Leben, Stefano Vignudelli, Jonson Lumban Gaol, Benjamin Hamlington, Tong Phuoc Hoang Son

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Classification and Distribution Of Mangrove Genus Using Multispectral Unmanned Aerial Vehicle (UAV) In The Waters Of Lancang Island, Kepulauan Seribu, Indonesia by Armanda, Syamsul Bahri Agus, Jonson Lumban Gaol

“…Mapping of mangrove distribution is important as basic information in mangrove resource management. development of remote sensing technology with multispectral…”
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Dynamic of upwelling variability in southern Indonesia region revealed from satellite data: Role of ENSO and IOD by Rachman, Herlambang Aulia, Setiawati, Martiwi Diah, Hidayah, Zainul, Syah, Achmad Fachruddin, Nandika, Muhammad Rizki, Lumban-Gaol, Jonson, As-syakur, Abd. Rahman, Syamsudin, Fadli

“…The Southern Indonesian (SI) region is known for its high-intensity coastal upwelling caused by monsoonal wind. Interannual phenomena such as El Niño Southern…”
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Spatial distribution models for the four commercial tuna in the sea of maritime continent using multi-sensor remote sensing and maximum entropy by Yati, Emi, Sadiyah, Lilis, Satria, Fayakun, Alabia, Irene D., Sulma, Sayidah, Prayogo, Teguh, Marpaung, Sartono, Harsa, Hastuadi, Kushardono, Dony, Lumban-Gaol, Jonson, Budiarto, Aris, Efendi, Diding Sudira, Patmiarsih, Sri

“…The dynamic of marine environmental parameters affects the distribution of commercial tuna in the sea of the maritime continent. Hence, the objectives of this…”
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Evidence of spawning migration of protandrous longtail shad (Tenualosa macrura) in the Siak River estuarine, Indonesia by Amri, Khairul, Priatna, Asep, Ma'mun, Asep, Setyadji, Bram, Tirtadanu, Suman, Ali, Susanto, R. Dwi, Gaol, Jonson Lumban, Nababan, Bisman, Muchlizar, Pranowo, Widodo S., Efizon, Deni

“…Longtail shad (Tenualosa macrura), an endemic species of Siak River estuary, Riau is feared to be on the brink of extinction, driven by the apparent…”
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Perbandingan Klasifikasi SVM dan Decision Tree untuk Pemetaan Mangrove Berbasis Objek Menggunakan Citra Satelit Sentinel-2B di Gili Sulat, Lombok Timur by Septiyan Firmansyah, Jonson Lumban Gaol, Setyo Budi Susilo

“…Mangrove is one of the most important objects in wetland ecosystems. Mangrove research has been done, one of them is using remote sensing technology. This…”
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Kajian Lahan Potensial untuk Budidaya Perikanan dari Citra Satelit di Pantai Timur Belitung by Lumban-Gaol, Jonson, Natih, Nyoman Metta N., Yulianto, Marlis

“…Pemetaan lahan yang potensial untuk budidaya perikanan dilakukan melalui pemetaan topografi dan tutupan lahan dari citra satelit serta survei lapang di…”
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HUBUNGAN KONSENTRASI KLOROFIL-A DAN SUHU PERMUKAAN LAUT DENGAN HASIL TANGKAPAN IKAN PELAGIS UTAMA DI PERAIRAN LAUT JAWA DARI CITRA SATELIT MODIS by Putra, Ega, Gaol, Jonson Lumban, Siregar, Vincentius P.

“…Penelitian ini bertujuan untuk mempelajari variasi spasial dan temporal konsentrasi klorofil-a dan suhu permukaan laut serta hubungannya dengan hasil tangkapan…”
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