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: MeisterTask CRM • Number of submissions received: 72 • Number of submissions sent for review: 57 • Number of submissions accepted: 39 • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 54% • Average number of reviews per paper: 2 • Total number of reviewers involved: 6 • Any additional info on review process: In general, each article was checked for scientific content, quality of the English language and technical formatting. Reviewers rated the following (5 excellent, 1 poor): Relevance to the themes; Contribution to academic debate; Structure of the paper; Standard of English; Appropriateness of abstract; Appropriateness and number of keywords; Appropriateness of the research/study method; Literature review; Relevance and clarity of drawings, graphs, and tables; Results and findings; Discussion and conclusions; Reference list. In the absence of a scientific component of an article, authors right to revision was rejected. In other cases, correction notes were sent to authors. • Contact person for queries: Anastasia Kulachinskaya, a.kulachinskaya@yandex.ru