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: Single-blind • Describe criteria used by Reviewers when accepting/declining papers. Was there the opportunity to resubmit articles after revisions? Initial scrutiny has been done by checking the plagiarism percentage of the paper in iThenticate. We have maintained this plagiarism rate at 20% excluding reference and author details portion. Once the paper passed in this limit then the paper was sent for technical review. Paper was assigned to minimum 2 reviewers. Based on the decision received from the reviewers, paper was Accepted or Rejected or given Revision. • Conference submission management system : Easychair • Number of submissions received : 93 • Number of submissions sent for review : 93 • Number of submissions accepted : 54 • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100) : 58% • Average number of reviews per paper : 2 • Total number of reviewers involved : 20 • Any additional info on review process (i.e. plagiarism check system) : iThenticate is used for plagiarism check • Contact person for queries : Dr. Silvia Liberata Ullo University of Sannio, Benevento, Italy silvullo@unisannio.it