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. The submissions had been firstly reviewed for the paper topic and paper length. All submissions without problem were sent to be blind and peer reviewed by 2 reviewers. The reviewers judged the paper based on the paper topic, coverage, innovation, integrity, literary presentation, technical depth and English expression. If the paper was accepted, notification of acceptance and review form with review comments were sent to the author’s contact email address. • Conference submission management system : 1. Email - enrep@aeescience.org and the person in charge was Shorena Fong 2. Editor One Submission System • Number of submissions received : 279 papers • Number of submissions sent for review : 213 papers • Number of submissions accepted : 111 papers • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100) : 39.8% • Average number of reviews per paper : Two • Total number of reviewers involved : 74 reviewers • Any additional info on review process : No • Contact person for queries : Shorena Fong enrep@aeescience.org The Academy of Engineering and Education