Kontribusi Penelitian Iklim Masa Lampau dalam Memahami Perubahan Iklim

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August 28, 2021

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Sri Yudawati Cahyarini

Lembaga Ilmu Pengetahuan Indonesia (LIPI)

DOI: https://doi.org/10.14203/press.415

Keywords:

Penelitian Iklim, Masa Lampau, Perubahan Iklim

Synopsis

Fokus penelitian ini adalah mengenai studi iklim masa lampau dengan menggunakan arsip karang Scleractinia atau disebut juga karang batu dari genus Porites. Kombinasi karang hidup dan mati menyediakan data iklim secara kontinu dari masa kini17,19,20,21 ke ribuan tahun4,5,18 bahkan ratusan ribu tahun lampau22 dengan resolusi bulanan17. Kandungan geokimia karang dapat digunakan untuk merekonstruksi suhu permukaan laut (selanjutnya akan disebut suhu)23,24, presipitasi, dan salinitas permukaan laut17,25. Selain itu, dengan menggunakan sinar-X atau rontgen dapat diidentifikasi perlapisan pertumbuhan tahun­an karang Porites dan juga kecepatan kalsifikasi karang26,27,28. Dengan mengkorelasikan suhu dan pertumbuhan tahunan karang29,30 dapat diketahui pengaruh suhu terhadap pertumbuhan karang. Hasil penelitian semacam ini telah digunakan untuk mendukung kegiatan konservasi terumbu karang, seperti dalam program COREMAP26,30.

Secara garis besar penelitian ini bertujuan untuk (1) meningkatkan pemahaman variabilitas iklim di wilayah Indonesia dan pemahaman fenomena iklim ENSO dan IOD di masa lampau, (2) memahami pengaruh suhu terhadap pertumbuhan tahunan karang Porites, dan (3) melakukan evaluasi dan pengembangan metode kalibrasi data proxy dan metodologi rekonstruksi d18O air laut dari data proxy karang.

Author Biography

Sri Yudawati Cahyarini, Lembaga Ilmu Pengetahuan Indonesia (LIPI)

Menghasilkan 54 karya tulis ilmiah (KTI), baik yang ditulis sendiri maupun bersama penulis lain, dalam bentuk jurnal dan prosiding. Menerbitkan sebanyak 20 KTI Jurnal terindeks glo bal, 21 KTI Jurnal terindeks nasional, dan 13 prosiding. Sebanyak 37 KTI ditulis dalam bahasa Inggris. Selain itu, juga terdapat 17 publikasi lainnya berupa karya ilmiah popular dan publikasi abstrak dari hasil partisipasi sebagai presenter dalam seminar, konferensi, hingga workshop tingkat internasional.

Aktif dalam organisasi ilmiah, yaitu anggota IAGI (sejak 1999), anggota Himpenindo (sejak 2019), dan anggota ISOI (1999).

Penghargaan beasiswa program postdoctoral Alexander von Humbold Georg Forster program di RWTH Aachen, Jerman (Tahun 2017–2019); beasiswa doctoral dari DAAD (Tahun 2006), beberapa research fellowship dari DAAD di GEOMAR dan RWTH Aachen, Jerman (Tahun 2009 dan 2015); Mary Sears Visiting fellowship di WHOI-Woodshole US (Tahun 2012), SEA-EU NET Spotlight on Excellent Researcher in South East Asia (Tahun 2009); dan Satyalancana Karya Satya X Tahun (tahun 2009) serta Satyalancana Karya Satya XX Tahun (tahun 2019).

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