Lan Zhang currently works as Post-Doc Research Scholar in the Department of Agricultural and Biological Engineering at Texas A&M University. She received her BS in Mechanical Engineering, her MS in Water Resources Sciences, and her PhD in Civil and Environmental Engineering. She has published more than 40 articles in the areas of hydrology, copulas, water quality, entropy, and water resources. She has been working on the copula and its applications in hydrology and water resource engineering for more than 10 years.