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Chiquita Tri Rezki
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Earth & Planetary Sciences Environmental Science

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STUDI SEBARAN LOGAM BERAT Pb (Timbal) PADA SEDIMEN DASAR PERAIRAN PANTAI SLAMARAN KOTA PEKALONGAN Rezki, Chiquita Tri; Subardjo, Petrus; Wulandari, Sri Yulina
Journal of Oceanography Vol 2, No 1 (2013)
Publisher : Program Studi Oseanografi, Jurusan Ilmu Kelautan, Universitas Diponegoro

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Abstract

Abstrak Pertumbuhan penduduk serta industri yang pesat memberikan dampak negatif, seperti penurunan kualitas lingkungan laut akibat pembuangan bahan – bahan yang bersifat racun yang merupakan sisa hasil kegiatan manusia di daratan, seperti limbah domestik, pertanian, serta perindustrian yang berujung di muara sungai dan pantai. Menurut Palar (1994), pada limbah buangan sisa kegiatan industri seringkali terdapat bahan pencemar yang sangat membahayakan seperti logam berat (Pb). Pb tersebut selain akan mencemari air juga akan mengendap di dasar dan akan terkonsentrasi ke dalam tubuh makhluk hidup. Untuk mengetahui sejauh mana konsentrasi Pb (Timbal) yang terakumulasi pada sedimen Pantai Slamaran Pekalongan maka dilakukan penelitian mengenai logam berat Pb. Tujuan dilakukan penelitian untuk mengetahui kosentrasi dan pola sebaran logam berat yaitu Pb (Timbal) pada sedimen. Materi yang digunakan dalam penelitian ini berupa sampel sedimen dengan materi pendukung berupa parameter fisika dan kimia oseanografi meliputi arus laut, pasang surut, pH, DO, suhu. Pengambilan data lapangan dilakukan di Perairan Pantai Slamaran Kota Pekalongan pada tanggal 27 Mei 2012. Analisa sampel sedimen untuk konsentrasi logam berat Pb (Timbal) dilakukan di laboratorium Teknik Lingkungan, Universitas Diponegoro. Analisa ukuran butir sedimen dilakukan di laboratorium geologi Ilmu Kelautan, Universitas Diponegoro. ArcGIS 9.3 digunakan untuk menyajikan peta sebaran kosentrasi logam berat Pb. Berdasarkan hasil penelitian diperoleh kosentrasi Pb tertingi pada sedimen terletak di muara Delta Sungai Slamaran dengan nilai 32,403 ppm, dan konsentrasinya berkurang ketika menjauhi muara Delta Sungai Slamaran. Berdasarkan hasil analisa ukuran butir, jenis sedimen pada Pantai Slamaran didominasi oleh jenis silty sand (pasir lanauan).
OIL SPILL RESPONSE PREPAREDNESS MODEL THROUGH COMMUNITY PARTICIPATION IN TELUK PENYU BEACH, CILACAP REGENCY Soesilo, Tri Edhi Budhi; Rezki, Chiquita Tri; Sulthonuddin, Ihya
Journal of Environmental Science and Sustainable Development
Publisher : UI Scholars Hub

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Abstract

In Indonesia, oil spill incidents often occur; thus, it has become a matter of national concern. Cilacap Regency is one of the regions in Indonesia that is prone to oil spills, with a history of frequent oil spill incidents during 2000–2018. Oil spill response preparedness needs the integrated effort between government and communities to minimize the environmental impacts of oil spills. A problem usually encountered is the lack of integration of community participation in the oil spill contingency plan because of the limited knowledge of the community regarding oil spill response preparedness. This study aimed to build an oil spill response preparedness model through community participation in Teluk Penyu Beach, Cilacap Regency. This study used the system dynamics modeling method. Results showed that the oil spill volumes in the waters (decay behavior) and on the beach (goalseeking behavior) rapidly decreased after 240 h (10 days). In conclusion, oil spill response preparedness needs the integration between company and community participation by increasing knowledge through community involvement in a combination of oil spill response exercises.
Co-Authors Petrus Subardjo Soesilo, Tri Edhi Budhi Sri Yulina Wulandari Sulthonuddin, Ihya