The ICWRAE 2017: 19th International Conference on Water Resources and Arid Environments aims to bring together leading academic scientists, researchers and research scholars to exchange and share their experiences and research results about all aspects of Water Resources and Arid Environments. It also provides the premier interdisciplinary forum for researchers, practitioners and educators to present and discuss the most recent innovations, trends, and concerns, practical challenges encountered and the solutions adopted in the field of Water Resources and Arid Environments.