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? There are 9 main criteria used in the reviewing process: 1. Theoretical/conceptual work 2. Statement of the problem 3. Significant of the research 4. Literature review 5. Methodology 6. Quality of data/findings 7. Results and conclusion 8. Readability and writing style 9. The originality of the paper Yes, the authors can resubmit their manuscript after the revision process. • Conference submission management system: All the manuscript submission and the management of the process were made through conference official email: series2020_eras@ump.edu.my • Number of submissions received: The number of submissions received for the publication in this special issue: 28 manuscripts • Number of submissions sent for review: All the manuscript (28 manuscripts) received were sent for reviewing process. • Number of submissions accepted: From a total of 28 manuscripts, 25 are accepted to be published. • Acceptance Rate (Number of Submissions Accepted/Number of Submissions Received X 100): The number of acceptance rate is 89.3% • Average number of reviews per paper: The average number of reviews per paper are two. • Total number of reviewers involved: The total number of reviewers involved is 18. • Any additional info on review process (ie plagiarism check system): Before the manuscript is sent for reviewing process, all the manuscripts need to go through the plagiarism check (Turnitin). The manuscript, which has higher than 25% plagiarism index were returned to the author for revision. • Contact person for queries: Nurul Ain Ismail, Universiti Malaysia Pahang (nurulainis@ump.edu.my)