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 : EasyChair System • Number of submissions received: 54 (46 Full papers + 8 Abstracts) • Number of submissions sent for review : 46 • Number of submissions accepted : 24 • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100) : 52.17% • Average number of reviews per paper : 2 • Total number of reviewers involved : 26 • Any additional info on review process : REEE holds the belief that the academic research work should be original and published only once. Each of selected paper was anonymously reviewed by two/three professional experts in the related subject area to ensure the final high standard and quality of each accepted submission. Authors have to revise according to reviewers’ suggestions before submitting the final paper. • Contact person for queries : Eden Mamut (dr.eden.mamut@gmail.com) Polytechcnic of Porto, Portugal