Journal Pre-proof Effects of lake water level fluctuation due to drought and extreme winter precipitation on mixing and water quality of an alpine lake, Case Study: Lake Arrowhead, California Ali Saber, David E. James, Imad A. Hannoun PII: S0048-9697(20)30272-2 DOI: https://doi.org/10.1016/j.scitotenv.2020.136762 Reference: STOTEN 136762 To appear in: Science of the Total Environment Received date: 16 October 2019 Revised date: 26 December 2019 Accepted date: 15 January 2020 Please cite this article as: A. Saber, D.E. James and I.A. Hannoun, Effects of lake water level fluctuation due to drought and extreme winter precipitation on mixing and water quality of an alpine lake, Case Study: Lake Arrowhead, California, Science of the Total Environment (2020), https://doi.org/10.1016/j.scitotenv.2020.136762 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier.