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Laporan Usulan Penelitian 2015: APPLYING NUCLEAR TECHNOLOGY TO ENHANCE CLIMATE CHANGE RESEARCH AND SUPPORT AN OBSERVATION FOR CORALS (TC-INS7006)

Arman, Ali and Permana, Dwi Aditya and Sugiharto, Untung (2016) Laporan Usulan Penelitian 2015: APPLYING NUCLEAR TECHNOLOGY TO ENHANCE CLIMATE CHANGE RESEARCH AND SUPPORT AN OBSERVATION FOR CORALS (TC-INS7006). Technical Report. PAIR - BATAN.

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Abstract

Massive corals of Porites provide explanation! Indonesia Coral region of Indonesia i.e; Nusa Penida-Lombok Strait Triangle Initiative (Bali), Bunaken (North Sulawesi), Selayar islands (South (CTI) zone Sulawesi) and Lombok (West Nusa Tenggara). All lndicator(s): samples were collected underwater using pneumatic Corals database- drill. Total samples are 26 cores with the length varied of Indonesia CTI from 0.5 m to 2.5 meter. All samples have been x-ray region radiographed for determining the age and linear extension rates. Based on the x-ray images, mostly all corals have reduced linear extension rates due to increasing Sea Surface Temperature (SST) related to climate change. Some of coral samples show that linear extension rates reduced significantly during the El-nino events. One coral core (20 cm from top) from Nusa Penida, Bali has been analyzed for stable isotopes (0-18 and C-13) using IRMS (Isotopes Ratio Mass Spectrometer) and ratio Sr/Ca and Mg/Ca using ICP-OES (Inductively Coupled Plasma-Optical Emission Spectrometer) during the Fellowship (FE INS12020) in Hokkaido University, Japan. The purpose of FE was the methodology of determining stable isotopes and trace elements in coral related to climate change (SST and Salinity). For supporting the research, several sediments core near the coral locations have been collected and analyzed the sedimentation rates using environmental sotope Pb-21 O with the equipment alpha spectrometers (EQ from the Project). Meanwhile, ICP-OES (EQ from he Project) has been calibrated and tested and it will be used for analyzing trace elements Ca and Sr related to cllmate change for all samples from CTI region of Indonesia.

Item Type: Monograph (Technical Report)
Subjects: Isotop dan Radiasi > Pemanfaatan Isotop dan Radiasi > Bidang SDA/Lingkungan
Divisions: Pusat Aplikasi Isotop dan Radiasi
Depositing User: USER PAIR BATAN
Date Deposited: 06 Jun 2018 01:44
Last Modified: 06 Jun 2018 01:44
URI: http://repo-nkm.batan.go.id/id/eprint/2945

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