Peer review declaration

All papers published in this volume of IOP Conference Series: Earth and Environmental Science have been peer reviewed through processes administered by the editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing. Type of peer review: blind review Conference submission management system: EDAS conference management system Number of submissions received: 80 papers Number of submissions sent for review: 66 papers Number of submissions accepted: 59 papers Acceptance rate (Number of submissions accepted / Number of submissions received × 100): 73.75% Average number of reviews per paper: 2 reviewers Total number of reviewers involved: 17 reviewers Additional info on review process: 1. Pre-screen for completeness of full paper and scope. 2. The papers that pass from pre-screen will be reviewed with the following aspects: relevance and timeliness, technical content and scientific rigor, novelty and originality, quality of presentation, and recommendation. The reviewer also must fill the detailed comments to justify his/her recommendation and suggest improvements in technical content or presentation and confidential comments to editors. Contact: Dr. Pramaditya Wicaksono, S.Si., M.Sc. (Affiliation: Faculty of Geography, Universitas Gadjah Mada, Email address: prama.wicaksono@ugm.ac.id).