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: Double-blind • Conference submission management system: Iconf submission system • Number of submissions received: 29 papers • Number of submissions sent for review: 29 papers • Number of submissions accepted: 20 papers • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 69% • Average number of reviews per paper: 3 papers • Total number of reviewers involved: 23 reviewers • Any additional info on review process: 1. Preliminary Review When we received authors’ paper(abstract and full paper), we will submit the paper to auditing department for checking, the auditing department will review the content, theme, format and grammers. 2. The full papers passed the first review will be reviewed again by conference technical committees from the following aspects: Originality, Innovation, Technical Soundness, Applicability, Clarity of presentation and Relevance. 3. After paper passed the first review and the second review, we will send the notification and review form. 4. Only if the paper revised according to the review form, it can be published. Contact person for queries: Prof. Ngai Weng Chan Universiti Sains Malaysia, Malaysia nwchan1@gmail.com