Zabihi Omid, Gheibi Mohammad, Aghlmand Reza, Nejatianc Amir, Scrutinizing Famine Disaster Based On Rainfall Trend Investigation (A Case Study of Khorasan Razavi Province), Journal of Water, Volume 1, Issue 2, 2022, Pages 17-26, ISSN 2769-2264, https://doi.org/10.14302/issn.2769-2264.jw-22-4086. (https://jndc-chemistryarticles.infojw/article/1820) Keywords: Rainfall; trend analysis; Mann-Kendall test; Sen's slope estimator