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Articoli di riviste sul tema "Sediment"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Kamiludin, Udaya, and Yudi Darlan. "KARAKTERISTIK PASIR DI PANTAI DAN LEPAS PANTAI BINUANGEUN, LEBAK-BANTEN." JURNAL GEOLOGI KELAUTAN 11, no. 2 (2016): 79. http://dx.doi.org/10.32693/jgk.11.2.2013.235.

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Pasir merupakan sesuatu penomena yang menarik karena padanya tersimpan misteri bagaimana partikel itu terendapkan sesuai dengan lingkungannya, apakah merupakan pasir pada lingkungan marin, pantai atau sungai. Untuk mengetahui lingkungan pengendapan tersebut maka dilakukan identifikasi karakteristik pasirnya. Metoda penelitan meliputi pengambilan contoh, analisis besar butir, klasifikasi nomenklatur sedimen dan parameter statistik. Klasifikasi nomenklatur sedimen pada endapan sedimen permukaan dasar laut, gisik pasir, tanggul gisik dan endapan sungai aktif didapat pasir sebanyak, masing masing

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2

Hasteti, Mita, Tri Apriadi, and Winny Retna Melani. "Komposisi dan Kepadatan Mikroplastik di Sedimen Perairan Pulau Los, Kota Tanjungpinang, Kepulauan Riau." Journal of Marine Research 12, no. 3 (2023): 455–64. http://dx.doi.org/10.14710/jmr.v12i3.36691.

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Penelitian ini dilatarbelakangi oleh adanya keberadaan sampah plastik di sedimen perairan Pulau Los, Kota Tanjungpinang. Tujuan dari penelitian ini adalah untuk mengetahui komposisi dan kepadatan jenis mikroplastik serta perbedaan antara nilai rata-rata kepadatan mikroplastik pada setiap jenis sedimen di Pulau Los, Kota Tanjungpinang. Penelitian ini dilaksanakan pada bulan Mei-Juli 2022. Pengambilan sampel menggunakan metode Random Sampling di 30 titik dengan satu kali pengambilan sampel. Sampel sedimen diambil menggunakan transek kuadran ukuran 0,5x0,5 m pada kedalaman 5 cm. Sampel sedimen ke

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Hasteti, Mita, Tri Apriadi, and Winny Retna Melani. "Komposisi dan Kepadatan Mikroplastik di Sedimen Perairan Pulau Los, Kota Tanjungpinang, Kepulauan Riau." Journal of Marine Research 12, no. 3 (2023): 455–64. http://dx.doi.org/10.14710/jmr.v12i3.36691.

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Penelitian ini dilatarbelakangi oleh adanya keberadaan sampah plastik di sedimen perairan Pulau Los, Kota Tanjungpinang. Tujuan dari penelitian ini adalah untuk mengetahui komposisi dan kepadatan jenis mikroplastik serta perbedaan antara nilai rata-rata kepadatan mikroplastik pada setiap jenis sedimen di Pulau Los, Kota Tanjungpinang. Penelitian ini dilaksanakan pada bulan Mei-Juli 2022. Pengambilan sampel menggunakan metode Random Sampling di 30 titik dengan satu kali pengambilan sampel. Sampel sedimen diambil menggunakan transek kuadran ukuran 0,5x0,5 m pada kedalaman 5 cm. Sampel sedimen ke

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4

Ooi, Jieun Lin, Lee Woen Ean, Bashar S. Mohammed, et al. "Study on the Properties of Compressed Bricks Using Cameron Highlands Reservoir Sediment as Primary Material." Applied Mechanics and Materials 710 (January 2015): 25–29. http://dx.doi.org/10.4028/www.scientific.net/amm.710.25.

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This research is to investigate the properties of compressed building bricks producedfrom Cameron Highlands reservoir sediment. The particle size distribution of the sediments are graded as silt and sand. The sediments used were as total replacement of the normal soils used in the compressed soil bricks. This paper presents the compilation of experimental brick properties; compressive strength, water absorption, microstructure and heavy metal leachingof the compressed sediment bricks. The experimental results shows that increasing use of reservoir sediments decrease the compressive strength an

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5

Kurnio, Hananto, and Noor C. D. Aryanto. "THE RELATIONSHIP OF SEAFLOOR SURFACIAL SEDIMENT WITH SEABOTTOM MORPHOLOGY OF LEMKUTAN ISLAND WATER, WEST KALIMANTAN." BULLETIN OF THE MARINE GEOLOGY 28, no. 2 (2016): 13. http://dx.doi.org/10.32693/bomg.28.2.2013.56.

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Sea floor sediment surrounding Lemukutan Island, West Kalimantan is distributed on rather steep sea bottom morphology. The steep bottom seems a continuation of rugged morphology of the island, especially at the northeast and southeast parts. This paper discusses the relation between sediment grain sizes and the steepness of sea bottom morphology. Grain size analyses of sediment shows various sediment types such as slightly gravelly muddy sand, gravel mostly composed of coral and lithic, and gravelly sand. Results show that steepness of sea bottom slope control deposited sediment types, coarse

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6

Hernawan, Undang, and Kris Budiono. "KARAKTERISTIK DAN DISTRIBUSI LUMPUR SIDOARJO SEPANJANG SUNGAI, ESTUARI DAN PERAIRAN PORONG." JURNAL GEOLOGI KELAUTAN 11, no. 2 (2016): 91. http://dx.doi.org/10.32693/jgk.11.2.2013.234.

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Semburan lumpur Sidoarjo (Lusi) di daerah Porong menambah fungsi Sungai Porong menjadi sarana untuk mengalirkan lumpur ke arah laut, karena kemampuan tanggul â€“ tanggul penghalang di sekitar lokasi semburan sangat terbatas. Kondisi ini berdampak pula terhadap terbawanya lumpur lapindo ke perairan Porong. Penelitian ini bermaksud untuk mengetahui sebaran sedimen di sungai, muara dan perairan sekitar Porong terutama yang bersumber dari luapan lumpur Sidoarjo. Materi yang digunakan dalam penelitian ini adalah sebanyak 30 sampel sedimen hasil sampling yang diambil di lokasi sungai â€“ muara

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7

Setiady, Deny, and Ediar Usman. "KANDUNGAN MINERAL PADA SEDIMEN PANTAI DAN LAUT, HUBUNGANNYA DENGAN BATUAN SUMBER DI PESISIR KABUPATEN REMBANG, JAWA TENGAH." JURNAL GEOLOGI KELAUTAN 9, no. 3 (2016): 135. http://dx.doi.org/10.32693/jgk.9.3.2011.206.

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Sedimen di sepanjang pantai Kabupaten Rembang terdiri atas sedimen muda (aluvial) dan sedimen tua (breksi dan batugamping). Sedimen muda merupakan sedimen lepas dan terdapat di daerah sedimentasi. Sedimen tua berupa sedimen kompak yang secara fisik mempunyai resisitensi tinggi terhadap abrasi Batuan yang terdapat di kawasan pesisir adalah: pasir kuarsa, andesit, tras kaolin, batugamping, batubara dan lempung. Peta sebaran sedimen dasar laut perairan Kabupaten Rembang, menunjukkan dominasi endapan pasir, lanau (pasir halus) dan lanau pasiran (pasir halus - kasar).  Kandungan mineral

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8

Hamidah, Siti, Sugeng Widada, Sri Yulina Wulandari, and Lilik Maslukah. "Sebaran Sedimen Dasar Di Perairan Teluk Awur Jepara, Jawa Tengah." Buletin Oseanografi Marina 13, no. 2 (2024): 261–70. http://dx.doi.org/10.14710/buloma.v13i2.53955.

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Berbagai aktivitas manusia di Pesisir Teluk Awur yang berupa kegiatan pertambakan, pariwisata, pemukiman, pertanian dan operasional kampus pendidikan (Marine Science Teckno Park/MSTP) berpengaruh terhadap proses geomorfologi pantai dan masukan bahan pencemar ke perairan. Proses geomorfologi pantai dan sebaran bahan pencemar tersebut dipengaruh oleh sedimen yang tertranport dan terendapkan sebagai sedimen dasar. Oleh karena itu perlu dipetakan sebaran sedimen dasar di Perairan Teluk Awur tersebut yang ditetapkan sebagai tujuan dalam penelitian ini. Penelitian ini dilakukan pada Bulan Oktober 20

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9

Najamuddin, Najamuddin, Irmalita Tahir, Rustam E. Paembonan, and Inayah Inayah. "Pengaruh Karakteristik Sedimen terhadap Distribusi dan Akumulasi Logam Berat Pb dan Zn di Perairan Sungai, Estuaria, dan Pantai." Jurnal Kelautan Tropis 23, no. 1 (2020): 1. http://dx.doi.org/10.14710/jkt.v23i1.5315.

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The purpose of the study was to analyze the effect of surface sediment characteristics including texture, organic carbon content, and redox potential of sediments on the distribution and accumulation of heavy metals Pb and Zn in three different water zones of each river, estuary and coast. Sediment texture was determined by pipette method, organic carbon content in sediments using Walkley and Black method, redox potential of sediments measured by Eh Meter, and concentrations of heavy metals Pb and Zn in sediments with Atomic Absorption Spectrophotometer with graphite furnace system. The result

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10

Suryono, Chrisna Adhi, Ibnu Pratikto, and Ajeng Rusmaharani. "Logam Berat Anthropogenik Pb dan Cu pada Lapisan Sedimen Permukaan dan Dasar Muara Sungai di Kota Semarang, Jawa Tengah Indonesia." Jurnal Kelautan Tropis 22, no. 1 (2019): 87. http://dx.doi.org/10.14710/jkt.v22i1.3223.

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Semarang coastal areas as specially on river down stream have been develop to industrial, dumpping areas and human settlement. Its will be caused increasing sedimentation and anthropogenic heavy metals accumulation in sediments. In order to assess Pb, and Cu on diferent layers of sediments on three down stream rivers on Semarang, samples of surface and bed sediment were collected for analyzed by ICPMS. The result showed that the heavy metal of Pb on bed layer was higher than Pb on surface sediment, on the other hand Cu on surface sediment was higher than Cu on bed sediments. Unfraternally the

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11

Trenggono, Mukti, Roy Andreas, Amron Amron, et al. "An Assessment of Cilacap Coast's Total Carbonate Sediment Content." Jurnal Kelautan Tropis 24, no. 1 (2020): 15–24. http://dx.doi.org/10.14710/jkt.v24i1.8849.

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Sediments are particles derived from the dismantling of rocks from the land and pieces of shell and remains of marine organisms that contain organic matter, included carbonate sediment. The total carbonate sediment content was influenced by many factors, such as sediment grain type. This study aimed to determine the carbonate content in sediments and to determine their relationship to the sediment grain characteristic on the Cilacap coast. The sediment's carbonate content used the titration method, while the sediment grain test used a dry filter. Statistical analysis was used to determine the

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12

Pawitra, Misbahul Diptya, Elis Indrayanti, Muh Yusuf, and Muhammad Zainuri. "Sebaran Sedimen Dasar Perairan dan Pola Arus Laut Di Muara Sungai Loji, Pekalongan." Indonesian Journal of Oceanography 4, no. 3 (2022): 22–32. http://dx.doi.org/10.14710/ijoce.v4i3.13443.

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Muara Sungai Loji merupakan salah satu muara sungai yang mempengaruhi sedimentasi Pantai Pekalongan, dimana muara ini digunakan sebagai jalur lalu lintas kapal. Hal tersebut dapat menimbulkan pendangkalan yang bisa mengurangi kedalaman laut. Penelitian ini bertujuan untuk mengetahui hubungan antara sedimen dasar dengan pola arus laut di Muara Sungai Loji, Pekalongan. Sampel sedimen dasar diambil menggunakan sedimen grab dan pengambilan data arus menggunakan ADCP (Acoustic Doppler Current Profiler). Pemodelan arus menggunakan pendekatan hidrodinamika 2D, dengan software MIKE21. Sementara itu sa

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13

Rachman, Reno Arief, Haryo Dwito Armono, Mardi Wibowo, and Dinar Catur Istiyanto. "Studi Karakteristik Sedimen Dasar Perairan Tanjung Pasir Banten menggunakan Metode Gradistat." Buletin Oseanografi Marina 12, no. 2 (2023): 201–12. http://dx.doi.org/10.14710/buloma.v12i2.48287.

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Program NCICD (National Capital Integrated Coastal Development) merupakan program strategis nasional untuk menangani permasalahan di Teluk Jakarta. Salah satu rencananya adalah dengan membangun waduk lepas pantai (WLP) di Perairan Tanjung Pasir, Banten. WLP selain berfungsi sebagai tanggul laut juga sebagai penyedia air baku. Dalam perencanaan WLP salah satu pertimbangan utama adalah permasalahan sedimentasi. Proses sedimentasi di perairan sangat terkait dengan karakteristik sedimen. Tujuannya penelitian ini adalah untuk mengetahui pola sebaran karakteristik sedimen dasar seperti kadar air, be

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14

Subardjo, Petrus, Agus Anugroho Dwi Suryoputro, and Ibnu Praktikto. "Sebaran Sedimen Tersuspensi di Perairan Teluk Awur Jepara menggunakan Citra Landsat 8." Buletin Oseanografi Marina 9, no. 1 (2020): 77–82. http://dx.doi.org/10.14710/buloma.v9i1.29111.

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Sedimen tersuspensi dianggap sebagai sedimen yang didistribusikan oleh arus laut. Arus sepanjang pantai (longshore current) berperan besar terhadap proses perpindahan sedimen di perairan. Gelombang laut yang yang membentuk sudut terhadap garis pantai menyebabkan arus sepanjang pantai Transpor sedimen yang disebabkan oleh arus sepanjang panti sering menimbulkan permasalahan erosi pantai dan pendangkalan perairan. Perairan Teluk Awur memiliki bentuk teluk dan tanjung yang memungkinkan terjadinya arus sepanjang pantai. Potensi adanya proses erosi dan sedimentasi di perairan Teluk Awur membuat pen

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15

Irham, Muhammad, Saidatul Adhla, and Chitra Octavina. "Analisis kimia sedimen di sekitar ekosistem mangrove desa Lambadeuk, Peukan Bada, Aceh Besar." Depik 9, no. 1 (2020): 1–7. http://dx.doi.org/10.13170/depik.9.1.15163.

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Abstract. Research on analysis of sediments chemistry around the mangrove ecosystem of Lambadeuk village, Peukan Bada Subdistrict aimed to the analyze nutrient content of sediments around mangrove ecosystem which grows in Lambadeuk, Aceh Besar. The study was conducted in April 2018 - May 2019. Research stations were determined by using purposive random sampling method then sediment samples were taken by coring technic. The results of the analysis showed that there are two types of sediments; muddy sand and sandy mud type of sediment. Sandy mud sediment has higher organic matter than muddy sand

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16

Rampengan, Royke M. "INTERPRETASI PEUBAH UKURAN BUTIR SEDIMEN." JURNAL PESISIR DAN LAUT TROPIS 12, no. 1 (2024): 37–45. http://dx.doi.org/10.35800/jplt.12.1.2024.55950.

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Sediment characteristics are described through grain size variables so that an understanding of sediment is built based on the interpretation of these variables. The distribution of sediment grain sizes reflects the viscosity and strength of factors acting on the depositional environment. That is why, knowledge of the grain size characteristics of sediments in certain depositional environments is very necessary in relation to the management of that area. This research was conducted to determine the extent to which sediment grain size variables describe sediment character. To reveal this, sedim

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Sakmiana, Andi Fitri, Mohammad Sumiran Paputungan, Widya Kusumaningrum, and Susi Rahmawati. "Estimasi Konsentrasi dan Stok Karbon Organik pada Sedimen Lamun di Desa Selangan, Kalimantan Timur." Journal of Marine Research 12, no. 3 (2023): 483–92. http://dx.doi.org/10.14710/jmr.v12i3.38011.

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Informasi mengenai stok karbon di sedimen ekosistem lamun di Indonesia masih sedikit, khususnya di Kalimantan Timur. Penelitian ini bertujuan untuk mengestimasi stok karbon organik pada sedimen lamun yang berada di perairan sekitar Desa Selangan, pesisir Bontang. Pengambilan sampel sedimen dilakukan pada bulan September 2021, dengan menggunakan pipa PVC yang berdiameter 7 cm dengan panjang 130 cm. Pengambilan sampel sedimen berjumlah 3 core dimulai dari titik lamun yang berdekatan dengan ekosistem mangrove ke arah laut dengan jarak 50 m antar stasiun. Konsentrasi karbon organik sedimen diukur

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Sakmiana, Andi Fitri, Mohammad Sumiran Paputungan, Widya Kusumaningrum, and Susi Rahmawati. "Estimasi Konsentrasi dan Stok Karbon Organik pada Sedimen Lamun di Desa Selangan, Kalimantan Timur." Journal of Marine Research 12, no. 3 (2023): 483–92. http://dx.doi.org/10.14710/jmr.v12i3.38011.

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Informasi mengenai stok karbon di sedimen ekosistem lamun di Indonesia masih sedikit, khususnya di Kalimantan Timur. Penelitian ini bertujuan untuk mengestimasi stok karbon organik pada sedimen lamun yang berada di perairan sekitar Desa Selangan, pesisir Bontang. Pengambilan sampel sedimen dilakukan pada bulan September 2021, dengan menggunakan pipa PVC yang berdiameter 7 cm dengan panjang 130 cm. Pengambilan sampel sedimen berjumlah 3 core dimulai dari titik lamun yang berdekatan dengan ekosistem mangrove ke arah laut dengan jarak 50 m antar stasiun. Konsentrasi karbon organik sedimen diukur

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Hidayat, Ryan Akhmal, Lilik Maslukah, and Muhammad Zainuri. "Sebaran Ukuran Butir di Perairan Kemujan, Karimunjawa." Indonesian Journal of Oceanography 4, no. 2 (2022): 12–21. http://dx.doi.org/10.14710/ijoce.v4i2.14123.

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Pulau Kemujan memiliki kelimpahan sumberdaya ekosistem seperti ekosistem karang, mangrove dan lamun. Perairan bagian barat memiliki bentuk yang unik, karena ada sebagian perairannya berada pada lokasi yang tertutup oleh daratan dan tumbuh subur pohon mangrove. Keberadaan ekosistem mangrove dan bentuk perairan yang semi tertutup akan berpengaruh terhadap distribusi ukuran butirnya. Kajian sebaran sedimen pada Pulau Kemujan ditujukan untuk mendapatkan gambaran mengenai kondisi sedimen dan keterkaitannya dengan proses hidrooseanografi yang terjadi. Daerah penelitian mencakup perairan tertutup dan

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Setiady, Deny, Udaya Kamiludin, and Nienu Yayu Gerhaneu. "JENIS DAN SEBARAN SEDIMEN DI PERAIRAN PAPELA DAN SEKITARNYA, ROTE-NDAO, NUSA TENGGARA TIMUR." JURNAL GEOLOGI KELAUTAN 13, no. 3 (2016): 153. http://dx.doi.org/10.32693/jgk.13.3.2015.270.

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Daerah Penelitian terletak di perairan Papela dan sekitarnya yang merupakan bagian dari Selat Rote yang secara administratif merupakan wilayah dari Kabupaten Rote-Ndao, Provinsi Nusa Tenggara Timur. Di daerah penelitian pada 40 lokasi telah dilakukan pengambilan sedimen dasar laut dengan pemercontoh comot, deskripsi megaskopis dan analisis besar butir. Penelitian bertujuan untuk mengetahui jenis sedimen, sebaran sedimen dan lingkungan pengendapannya. Berdasarkan hasil analisis besar butir nomenklatur sedimen di daerah penelitian dijumpai 4 jenis sedimen yaitu: kerikil, pasir, pasir lanauan, la

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Lugra, I. Wayan. "HEAVY MINERAL DISTRIBUTION PATTERNS AND CHARACTERISTICS OF SEA FLOOR SURFICIAL SEDIMENT AT EAST BALI WATERS, BALI PROVINCE." BULLETIN OF THE MARINE GEOLOGY 26, no. 2 (2016): 105. http://dx.doi.org/10.32693/bomg.26.2.2011.38.

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Analyses result of the heavy minerals that was took from beach sediments and sea floor surficial sediments was founded ten heavy minerals namely hematite, magnetite, limonite and rutile from oxide and hydroxide group, pyroxene, amphibol and zircon from silicate group, biotit from mica group, barite from sulfide group and dolomite from carbonate group. From 10 minerals identified, only magnetit distributes in the whole area, with the highest percentage of 34,15% in the sea and 35,14 % on beaches. Other heavy minerals distribute locally with the percentage of less than 0,01 %. Grain size analyse

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Hapsari, Faradian Nurul, Lilik Maslukah, I. Wayan Eka Dharmawan, and Sri Yulina Wulandari. "Simpanan Karbon Organik Dalam Sedimen Mangrove Terhadap Pasang Surut Di Pulau Bintan." Buletin Oseanografi Marina 11, no. 1 (2021): 86–98. http://dx.doi.org/10.14710/buloma.v11i1.39107.

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Ekosistem mangrove memberikan kontribusi terbesar pada kawasan pesisir dalam penyerapan karbon dari atmosfer serta penyimpanan karbon dalam bentuk biomassa ataupun terpendam di dalam sedimen. Variasi simpanan karbon pada sedimen mangrove sangat tergantung dengan struktur komunitas dan karakter oseanografi yaitu pasang surut. Tujuan penelitian ini adalah untuk menganalisis variasi nilai simpanan karbon sedimen mangrove di Pulau Bintan serta menganalisis hubungannya dengan karakter pasang surut. Lokasi penelitian memiliki karakter struktur komunitas mangrove yang berbeda, yaitu Desa Lagoi yang d

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Maulina, Dinda Rizky Ayu, Delianis Pringgenies, and Dwi Haryanti. "Kandungan Logam Berat Pb dan Cd dalam Sedimen di Pantai Trimulyo dan Pantai Tirang, Semarang." Journal of Marine Research 13, no. 1 (2023): 20–28. http://dx.doi.org/10.14710/jmr.v13i1.35038.

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Kandungan timbal (Pb) dan kadmium (Cd) di sedimen sebagian berasal dari limbah industri yang masuk ke perairan dan terakumulasi di muara sungai. Pantai Trimulyo berada di pesisir Semarang, dekat dengan Kawasan Industri Terboyo yang berpotensi membuang limbah logam berat ke peraian. Pantai Tirang juga berpotensi tercemar limbah logam berat dari industri di Kecamatan Tugu yang masuk ke aliran Sungai Tapak. Penelitian ini bertujuan untuk mengetahui kandungan logam Pb dan Cd pada sedimen di Pantai Trimulyo dan Pantai Tirang. Penelitian dilakukan dengan metode survei eksploratif dan penentuan lokas

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Ding, Zhong Jun, Bao Hua Liu, Wei Gao, and Xiang Mei Meng. "Analysis of Resistivity Characteristics of Sediments in Northwestern of South Yellow Sea." Applied Mechanics and Materials 568-570 (June 2014): 8–11. http://dx.doi.org/10.4028/www.scientific.net/amm.568-570.8.

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The resistivity characteristics of sediments are important to analyze marine sedimental environment and material source. A kind of penetration multiple parameter micro-probe which is designed to measure the resistivity of sediment sample in the northwestern of South Yellow Sea. In this paper, shelf sediment resistivity property off northwest of the South Yellow Sea is studied by analyzing the influence factors and relations, for providing valuable information to the marine sedimental environment around this area.

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Lahopang, Varrent Rivai Aclicyo, Sugeng Widada, and Warsito Atmodjo. "Sebaran Ukuran Butir Sedimen di Muara Sungai Sragi Baru-Wonokerto, Kabupaten Pekalongan, Jawa Tengah." Indonesian Journal of Oceanography 5, no. 1 (2023): 18–27. http://dx.doi.org/10.14710/ijoce.v5i1.15628.

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Pekalongan merupakan salah satu daerah di Jawa Tengah yang memiliki permasalahan erosi dan sedimentasi. Proses sedimentasi yang terjadi terus menerus akan menyebabkan pendangkalan dan akan mengurangi volume air yang tertampung di muara sungai. Sungai Sragi Baru merupakan salah satu sungai yang membawa sedimen dari hulu ke muara sungai dan menyebabkan terjadinya pendangkalan daerah muara. Sedimen yang masuk ke muara akan terdistribusikan oleh arus. Penelitian ini bertujuan untuk mengetahui distribusi jenis sebaran ukuran sedimen dasar di muara sungai Sragi Baru, Pekalongan. Metode yang digunaka

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Manengkey, Hermanto WK. "SEBARAN UKURAN BUTIRAN SEDIMEN GISIK SEKITAR GROIN PANTAI KALASEY." JURNAL PERIKANAN DAN KELAUTAN TROPIS 7, no. 3 (2011): 132. http://dx.doi.org/10.35800/jpkt.7.3.2011.191.

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ABSTRACTThis study was conducted to examine the effectiveness of groins built along one of the littoral area in the coastal region of Manado. Logically, in this region the marine processes is strong enough to bring out the sediment, which is why in this area was built groin structures as shore protection. Groin is a structure designed to keep beach sand from being transported away by longshore current or to reduce the transportion of sand. This study was conducted by observing the size distribution of beach sediments around the groin in Kalasey beach. The groins on the Kalasey beach analized f

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27

Nurhamiddin, Fauziah, and Zulkifli Zam-Zam. "DISTRIBUSI KONSENTRASI LOGAM BERAT (CU DAN CD) PADA SEDIMEN SUNGAI MENGGUNAKAN TEKNIK DIFFUSIVE GRADIENT IN THIN FILM = Distribution of Cu and Cd Concentration in the River using Diffusive Gradient in Thin Film Tehnique." Jurnal Teknologi Lingkungan 14, no. 2 (2016): 107. http://dx.doi.org/10.29122/jtl.v14i2.1429.

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Abstract (sommario):

DISTRIBUSI KONSENTRASI LOGAM BERAT (CUDAN CD) PADA SEDIMEN SUNGAI MENGGUNAKANTEKNIK DIFFUSIVE GRADIENT IN THIN FILM =Distribution of Cu and Cd Concentration in the River usingDiffusive Gradient in Thin Film TehniqueFauziah Nurhamiddin* dan Zulkifli Zam Zam*** Fakultas MIPA Universitas Muhammadiyah Maluku Utara** Program Studi Pendidikan Kimia Universitas Khairun TernateE-mail: zul_kifli79@ymail.comDiterima: 01 April 2013; Dikoreksi: 04 Mei 2013; Disetujui : 12 Mei 2013AbstractSediment in the bottom of the river has the potential as a store of inorganic compounds such as Cuand Cd, which are fro

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28

Billy, Petrick, Jane M. Mamuaja, Royke M. Rampengan, Medy Ompi, Esry T. Opa, and Joppy Mudeng. "Foraminifera On The Beach Of Malalayang Dua." JURNAL ILMIAH PLATAX 6, no. 2 (2018): 114. http://dx.doi.org/10.35800/jip.6.2.2018.20660.

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Beach as one on the landform that reflects the work of hydro-oceanographic factors, generally in the form of loose sedimentary material. Loose sediment is a collection of organic and inorganic particles that accumulate widely and are irregular in shape. One example of organism in marine waters that contributes to the availability of organic particles in the beach landform is foraminifera. Foraminifera is a single-celled organism that has the ability to form shells from substances of CaCO3 which originate from itself or from the surrounding environment. This study was aimed to classify physical

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29

Zallesa, Sheilla, Kresna Tri Dewi, and Noor C. D. Aryanto. "THE CORRELATION BETWEEN BENTHIC FORAMINIFERA AND SEDIMENT TYPES OF SOUTH MAKASSAR STRAIT." BULLETIN OF THE MARINE GEOLOGY 29, no. 2 (2016): 53. http://dx.doi.org/10.32693/bomg.29.2.2014.65.

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South Makassar Strait is located between Kalimantan and Sulawesi Islands that is an important oceanographic pathway connecting between the Pacific and Indian oceans. This area is a part of sedimentary basin that has specific seabed morphology and sediment characteristics, including foraminifera as a component of sediments. The purpose of this study is to determine community structure of benthic foraminifera related to sediment characteristics. This study used 20 top core sediment samples from water depth between 200 and 1500 m. There are identified 38 species of benthic foraminifera and some o

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30

Lazuardi, Mirza Fredyaniza, Lilik Maslukah, and Sugeng Widada. "Analisis Karbon Organik Total Pada Sedimen Dasar di Muara Sungai Banger Pekalongan Jawa Tengah." Indonesian Journal of Oceanography 4, no. 3 (2022): 86–95. http://dx.doi.org/10.14710/ijoce.v4i3.14976.

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Sungai Banger terletak di kecamatan Pekalongan Utara yang merupakan sungai dengan banyak aktivitas manusia seperti pemukiman, industri, pertambakan, pertanian, dan aktivitas perikanan di sepanjang aliran sungainya. Banyak limbah dari aktivitas tersebut berakhir di sungai. Bahan organik yang terkandung di dalam limbah apabila melebihi ambang batas dapat menyebabkan perairan yang eutrofik. Konsentrasi karbon organik pada sedimen dapat dijadikan indikator untuk mengetahui kualitas perairan. Penelitian ini bertujuan untuk mengetahui sebaran karbon organik total (KOT) dan hubungannya dengan jenis d

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31

huda putra pratama, Miftachul, Anugrah Ricky Wijaya, and Irma Kartika Kusumaningrum. "Fraksisanasi dan distribusi keterikatan seng dalam sedimen Sendang Biru menggunakan metode BCR sonifikasi (The Bureau Community Of Reference)." Jurnal MIPA dan Pembelajarannya 2, no. 2 (2021): 95–99. http://dx.doi.org/10.17977/um067v2i2p95-99.

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The density of anthropogenic activity in the port of blue fish leads to the contribution of heavy metals in sediments. The method of leaching is an important method to dissolve all zinc in the sediment precision and accuracy. Research on zinc levels in sediments has been widely practiced, but fractionation and distribution of zinc attachment in Blue Spring sediment using BCR Sonification. The results of the zinc analysis using BCR Sonification method gave precision value of 0.49 percent, and accuracy of 91.20 percent, the results showed that BCR method has high precision and accuracy value. Th

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32

Aliandu, Richardus Ade Satria, Rr Sri Yulina Wulandari, and Baskoro Rochaddi. "Studi Sebaran Sedimen Feromagnetik Di Perairan Muara Sungai Sambong, Batang." Indonesian Journal of Oceanography 4, no. 4 (2023): 74–86. http://dx.doi.org/10.14710/ijoce.v4i4.15578.

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Abstract (sommario):

Abstrak Sungai Sambong berada di wilayah kabupaten Batang, provinsi Jawa Tengah, dan muaranya dijadikan sebagai pelabuhan kota Batang. Sungai Sambong memiliki hulu yang terletak di kawasan pegunungan Dieng yang memiliki kawah aktif. Karena hal itu umumnya terdapat kandungan mineral feromagnetik. Penelitian ini bertujuan mencari tahu kandungan mineral feromagnetik pada sedimen yang terdapat di kawasan muara sungai Sambong. Sedimen diambil di sekitar wilayah perairan muara sungai Sambong, dan dicari tahu persentase kandungan feromagnetiknya dan dicari juga kandungan butir yang terdapat pada sedi

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33

Cunanda, Yana, Runi Asmaranto, and Prima Hadi Wicaksono. "Studi Evaluasi Pengerukan Sedimen Pada Central Sediment Sump di Lokasi Penambangan Emas PT. Bumi Suksesindo Kabupaten Banyuwangi." Jurnal Teknologi dan Rekayasa Sumber Daya Air 1, no. 1 (2021): 1–16. http://dx.doi.org/10.21776/ub.jtresda.2021.001.01.01.

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Central Sediment Sump merupakan kolam pengendapan sedimen terbesar di Penambangan Emas PT. Bumi Suksesindo. Central Sediment Sump menampung sedimen dari kawasan Central Waste Dump (CWD), Pit E, dan Pit B West. Adanya peningkatan produksi bijih mulai tahun 2018 menjadikan laju penambangan hingga 8,1 juta ton/tahun. Peningkatan ini mengakibatkan meningkatnya laju sedimen yang ditampung Central Sediment Sump. Evaluasi yang dilakukan pada studi ini berdasarkan pada jumlah volume sedimen terkeruk selama tahun 2018 terhadap volume sedimen yang tertangkap di Central Sediment Sump. Volume sedimen yang

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34

Kusnida, Dida, and Tommy Naibaho. "LATE NEOGENE SEISMIC STRUCTURES OF THE SOUTH BATANTA BASIN, WEST PAPUA." BULLETIN OF THE MARINE GEOLOGY 29, no. 1 (2016): 11. http://dx.doi.org/10.32693/bomg.29.1.2014.61.

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Study on multi-channel seismic records from South Batanta Basin, West Papua acquired during RV Geomarin III cruise in 2013 were aimed to invent and map geological aspects and for geo-tectonic and geological history studies. Seismic data indicate that sediment sequences which can be observed from our seismic system in the study area are characterized by pre-extension sediments (Lower Early Miocene-Upper Early Pliocene), syn-extension sediments (Lower Middle Pliocene-Upper Late Pliocene), post-extension sediments (Early Pleistocene), and syn-inversion sediments (Late Pleistocene-Recent) typical

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35

Alkautsar, Millenia Dinda, Chrisna Adhi Suryono, and Ibnu Pratikto. "Korelasi antara Ukuran Butir Sedimen Non Pasir dengan Kandungan Bahan Organik di Perairan Morodemak, Kabupaten Demak." Journal of Marine Research 11, no. 3 (2022): 391–98. http://dx.doi.org/10.14710/jmr.v11i3.35020.

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Abstract (sommario):

Perairan Morodemak merupakan salah satu perairan yang memiliki berbagai macam aktivitas masyarakat dimulai dari aktivitas Pelabuhan dan TPI, jalur lintas perahu nelayan hingga pembuangan limbah domestik maupun industri. Adanya aktivitas tersebut dapat menyebabkan perubahan sebaran ukuran butir dan kandungan bahan organik. Penelitian ini memiliki tujuan untuk mengetahui jenis dan klasifikasi sedimen serta jumlah kandungan bahan organik yang terdapat dalam sedimen non pasir di Perairan Morodemak, Demak. Pengambilan data pada penelitian ini yaitu pengambilan data berupa sampel sedimen dengan meng

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36

Usman, Ediar. "A COMPARISON OF MAJOR ELEMENTS BETWEEN MARINE SEDIMENTS AND IGNEOUS ROCKS: AS A BASIC DETERMINATION OF THE SEDIMENT SOURCE AT UJUNG PENYUSUK WATERS, NORTH BANGKA,BANGKA BELITUNG PROVINCE." BULLETIN OF THE MARINE GEOLOGY 25, no. 1 (2016): 1. http://dx.doi.org/10.32693/bomg.25.1.2010.20.

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Three igneous rock samples from the coast and five sediments from the marine of Ujung Penyusuk Waters have been used for chemistry analysis as the basic determination of sediment source. The result of chemistry analysis shows that the major element with relatively same pattern. In the igneous rock samples, the result of chemistry analysis shows the SiO2 ranges between 72.3 - 76.8%, Al2O3 (9.64 - 11.64%), and Fe2O3 ( 2.08 - 2.18%). In the marine sediment, the content of SiO2 is between 62.2 and 66.5%, Al2O3 (2.93 - 3.63%) and Fe2O3 (21.19 - 24.40%). Other elements such as CaO, MgO, K2O, Na2O an

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37

Simboh, Reyvalentin, Royke M. Rampengan, Hermanto W. K. Manengkey, Rignolda Djamaluddin, Esry T. Opa, and Hengky J. Sinyal. "Sediment Granulometry of the Beach at the Kalasey’s Groynes." Jurnal Ilmiah PLATAX 9, no. 2 (2021): 234. http://dx.doi.org/10.35800/jip.9.2.2021.34778.

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Abstract (sommario):

Coastal areas have the potential to be developed and utilized for various purposes. However, the intensity of coastal use can result in the degradation of the coastal environment. Therefore, management of the coastal areas is often carried out by building shore protective structures, including groynes. The placement of a structure in the form of a groynes is primarily intended to block littoral flow in moving sediment out of certain places in the shore. Therefore, the placement of groynes on the shore needs to be followed by a study to find out the effectiveness of the groynes. The effectivene

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38

Maramis, Michelle, Sugeng Widada, and Gentur Handoyo. "Pengaruh Influks Sedimen dari Sungai Terhadap Distribusi Ukuran Butir Sedimen Dasar di Perairan Slamaran, Pekalongan, Jawa Tengah." Indonesian Journal of Oceanography 4, no. 2 (2022): 01–11. http://dx.doi.org/10.14710/ijoce.v4i2.14007.

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Abstract (sommario):

Perairan Slamaran di Kota Pekalongan, Jawa Tengah merupakan area multi fungsi seperti alur layar, perikanan tangkap, dan wisata bahari. Untuk mendukung keberlangsungan zona pemanfaatan wilayah perairan tersebut, maka kondisi fisik perairan dan pantai perlu diketahui dengan baik. Salah satu kondisi fisik tersebut adalah sedimen dasar perairan. Keberadaan Sungai Banger dan Sungai Loji yang bermuara ke Perairan Slamaran dan membawa material sedimen diduga berpengaruh terhadap sebaran sedimen di perairan tersebut. Penelitian ini bertujuan untuk mengetahui influks sedimen dari kedua sungai kaitanny

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39

Chang, Chang Shen, A. H. Yusoff, C. A. R. Mohamed, et al. "Geochemistry of Rare Earth Elements in Pahang River Sediment, Malaysia." Kompleksnoe Ispolʹzovanie Mineralʹnogo syrʹâ/Complex Use of Mineral Resources/Mineraldik Shikisattardy Keshendi Paidalanu 331, no. 4 (2024): 42–50. http://dx.doi.org/10.31643/2024/6445.37.

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Rare earth elements (REE) are a set of 17 chemically similar metallic elements including 15 lanthanides, scandium and yttrium. The current status of REE as a global strategic commodity has encouraged the identification of REE ore deposits. This research is carried out to identify the mining feasibility of fluvial sediment REE and to understand the sediment's physical and chemical characteristics and effects on the geochemical behaviour of REE in the longest river of Peninsular Malaysia namely Pahang River. Surface sediment samples were collected along Pahang River (n=44) in approximately 10 km

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40

Vácha, R., J. Čechmánková, J. Skála, et al. "Use of dredged sediments on agricultural soils from viewpoint of potentially toxic substances." Plant, Soil and Environment 57, No. 8 (2011): 388–95. http://dx.doi.org/10.17221/105/2011-pse.

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A set of 29 pond sediments samples was collected. The sediments were separated into three groups, field, village, and forest pond sediments. The sediment samples were taken from pond bottoms and sediment heaps. The sediment characteristics (pH, CEC, Al-exchangeable, C<sub>ox</sub>, humus substances), the content of potentially toxic elements and persistent organic pollutants were analysed in the sediments and compared between sediment groups. The comparison of sediment contamination with Czech legislation for sediment use in agriculture was conducted. The village sediments were mor

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41

Yudha, Gadisza Asmara, Chrisna Adhi Suryono, and Adi Santoso. "Hubungan antara Jenis Sedimen Pasir dan Kandungan Bahan Organik di Pantai Kartini, Jepara, Jawa Tengah." Journal of Marine Research 9, no. 4 (2020): 423–30. http://dx.doi.org/10.14710/jmr.v9i4.29020.

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Abstract (sommario):

Pantai Kartini merupakan salah satu kawasan wisata di Kabupaten Jepara. Berbagai aktifitas masyarakat serta infrastruktur perairan menjadi kebutuhan yang sangat krusial dengan letak Pantai Kartini. Adanya aktivitas dan bangunan dapat menyebabkan perubahan sebaran ukuran butir dan kandungan bahan organik. Penelitian ini memiliki tujuan untuk mengetahui jenis dan klasifikasi sedimen serta jumlah kandungan bahan organik yang terdapat dalam sedimen di Pantai Kartini, Jepara. Pengambilan data pada penelitian ini yaitu pengambilan data primer yang berupa sampel sedimen dengan menggunakan sediment co

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42

Kumaseh, Eunike, Yuliana Varala Tatontos, and Costantein Imanuel Sarapil. "Prediksi Transport Sedimen di Perairan Teluk Tahuna Kabupaten Kepulauan Sangihe." Journal of Marine Research 9, no. 3 (2020): 207–14. http://dx.doi.org/10.14710/jmr.v9i3.26537.

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Abstract (sommario):

ABSTRAK: Secara geografis, Teluk Tahuna diapit oleh 2 muara sungai yaitu Muara Sungai Tidore, yang dekat dengan Pelabuhan Nusantara Tahuna, dan Muara Sungai Towo’e. Hal ini memungkinkan terjadinya sedimentasi.Sehingga, perlu diketahui besarnya angkutan sedimen yang terjadi di perairan Teluk Tahuna.Metode penelitian yang digunakan yaitu membandingkan metode Engelund-Hansen dengan hasil pengukuran di lapangan. Pengambilan sedimen menggunakan sediment trap dan diukur selama 2 minggu sekali sebanyak 5 kali. Sedimen dibawa ke Laboratorium Mekanika Tanah untuk memperoleh ukuran diameter sedimen. Lok

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43

Sani, Rifki Asrul, Eko Soebowo, Armein M. Fikri, and Imam A. Sadisun. "Karakteristik Keteknikan Sedimen Kuarter Kaitannya dengan Potensi Bahaya Geologi di Kawasan DAS Cimanuk Bagian Hilir." Jurnal Lingkungan dan Bencana Geologi 11, no. 3 (2020): 161. http://dx.doi.org/10.34126/jlbg.v11i3.294.

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Abstract (sommario):

ABSTRAKKabupaten Indramayu yang akan dikembangkan sebagai kawasan industri didominasi oleh endapan Kuarter yang terdiri atas endapan fluvial, dataran banjir, pematang pantai, dan delta. Daerah tersebut terletak pada area dekat sesar aktif, yakni segmen sesar Baribis-Subang dengan besaran magnitudo 6,5 Mw. Penelitian di wilayah DAS Cimanuk bagian hilir Kabupaten Indramayu, Provinsi Jawa Barat bertujuan untuk mengetahui karakteristik fisik dan mekanik serta kaitannya dengan potensi bahaya geologi yang bisa terjadi. Metode yang digunakan dalam penelitian ini adalah pengamatan 4 inti bor teknik da

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44

Solihuddin, Tubagus, and Gunardi Kusumah. "Sedimentary Environments of the Inshore Pemangkat Region Sambas, West Kalimantan (Lingkungan Sedimen di Perairan Pemangkat, Sambas, Kalimantan Barat)." ILMU KELAUTAN: Indonesian Journal of Marine Sciences 19, no. 1 (2014): 19. http://dx.doi.org/10.14710/ik.ijms.19.1.19-26.

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Abstract (sommario):

Peningkatan produk-produk perikanan melalui industrialisasi dengan menekankan pada pengembangan perikanan budidaya laut yang membutuhkan data pendukung lingkungan laut termasuk sediment dasar laut. Penelitian lingkungan sedimen di Perairan Pemangkat bertujuan untuk mendapatkan informasi mengenai komposisi sedimen permukaan dasar laut, konsentrasi mineral logam dan total padatan tersuspensi. Beberapa sampel sedimen permukaan telah diambil pada transek yang telah ditentukan di sekitar Pantai Pemangkat dan telah dilakukan analisis mengikuti prosedur analisis granulometri, sedangkan metode AAS dit

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45

Noor, Sri Yuningsih. "Konsentrasi Logam Berat Kadmium (CD) Pada Sedimen Di Daerah Sekitar Perairan Pelabuhan Kapal Barang Talumolo Kota Gorontalo." Gorontalo Fisheries Journal 1, no. 1 (2008): 26. http://dx.doi.org/10.32662/.v1i1.103.

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The aim of this research was to determine the concentration cadmium (Cd) in the sediments in the area of Talumolo Cargo Ship Port, Gorontalo. The method used in this research was descriptive analysis as a mean of describing and explaining the result which has already been obtained then compare it with the quality standard set by The Department of Conservation and Natural Resources Melbourne (2004) and ant the quality standard set by Dutch Quality standars For Metals in Sedimen (IADC/CEDA, 1997). The results showed that the concentration cadmium (Cd) in the sediments in the area of Talumolo Car

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46

Saanei, Saba, Khalil Rezaei, Mehran Arian, Seyed Mohsen Al Ali, and Pantea Giahchi. "Changes in particle sizes and geochemistry of Siyah Keshim lagoon sediment of Gilan province to determine origin and tectonic position of sediment." Journal of Geology, Geography and Geoecology 29, no. 3 (2020): 562–71. http://dx.doi.org/10.15421/112051.

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Abstract (sommario):

Useful information was obtained about the environmental condition of this region such as energy, sediment location, origin, sediment carrying path, pond evolutionary process, and tectonic conditions and origins of sediments by studying physical and geochemical sediment changes processes in place and time, distribution of sediments and elements in lagoon bed, and also identification the effective factors on sediment distribution model. In this regard, 59 sediment samples were taken from Siyah Keshim lagoon and were analyzed chemically and aggregation by XRF and ICP-MS technic. Adaptation of dat

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47

Sri Maharani, Desak Made, Nurul Inayati, and Maruni Wiwin Dinarti. "Jenis dan Jumlah Sedimen Urine Menggunakan Variasi Konsentrasi Pengawet Formalin." Quality : Jurnal Kesehatan 11, no. 2 (2018): 86–91. http://dx.doi.org/10.36082/qjk.v11i2.74.

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Abstract (sommario):

Abstract One of the laboratory tests that can be used to diagnose diseases, especially those related to kidney physiology and abnormalities of the body's metabolism, namely urinalysis. Urine sediments are insoluble elements in urine that come from blood, kidneys and urinary tract such as erythrocytes, leukocytes, epithelial cells, thorax, bacteria, crystals, fungi and parasites. Formalin which is commonly used as a urine preservative is 40% formalin, specifically used to preserve urine    sediment is very important if you want to conduct a quantitative assessment of the

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48

Febriansanu, Dicko Rizky, Angga Ahya Huseina, and Andri Yadi Paembonan. "Recent Sedimentary Deposit and Dynamics Sedimentation Analysis at Teluk Betung Using GPR Interpretation and Core Data." IOP Conference Series: Earth and Environmental Science 830, no. 1 (2021): 012059. http://dx.doi.org/10.1088/1755-1315/830/1/012059.

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Abstract Lampung Bay is an area with a busy shipping traffic from port of Panjang and port of Teluk Betung. There are several river contain sediments and sedimented in Teluk Betung area. By conducting a research in this area, we can determine the sediment depositional system. The research method that will be used is the analysis of sediment deposition profiles from core data and interpretation from Ground Penetrating Radar (GPR). From sedimentary analysis, older sediments have a clay to coarse sand with relatively firm contact with coarsening upward patterns. In the top, they have a medium to

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49

James, William F., John W. Barko, and Harry L. Eakin. "Impacts of sediment dewatering and rehydration on sediment nitrogen concentration and macrophyte growth." Canadian Journal of Fisheries and Aquatic Sciences 61, no. 4 (2004): 538–46. http://dx.doi.org/10.1139/f04-018.

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Abstract (sommario):

River sediments were experimentally dewatered via exposure to air from an initial moisture content of 75% to 61% (~20% dewatered), 32% (~60% dewatered), and 4% (~95% dewatered). Sediments dewatered by 20% and 60% and rehydrated exhibited a lower exchangeable ammonium-N (NH4-N) concentration and a lower rate of nitrate/nitrite-N and NH4-N release from sediments compared with controls. In contrast, sediments dewatered by 95% and rehydrated exhibited a marked increase in exchangeable sediment NH4-N and a much higher rate of nitrate/nitrite-N (under oxic conditions) and NH4-N (under oxic and anoxi

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50

Gyulai, István, János Korponai, Sheila Mumbi A. Wamugi, et al. "Cladocera and Geochemical Variables from Core Sediments Show Different Conditions of Hungarian Lakes." Water 16, no. 9 (2024): 1310. http://dx.doi.org/10.3390/w16091310.

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Abstract (sommario):

Studies on the sediments of lakes with varying trophic status are of particular importance when considering changes in the natural environment. In this study, our objective was to examine subfossil remains of Cladocera species and the relationship between the sedimental Cladocera assemblages and geochemical variables during 11 years of sediment records from northern Hungarian lakes. To achieve this, we compared sedimental cladoceran communities and the geochemistry of the sediment layers among lakes. Among the studied lakes, one was an intermittent lake (KMT: the Kis-Morotva Lake) which dried

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