Fractional-derivative models for nutrient uptake and heavy metal dynamics in streams

Mary Hastings Puckett1, Yong Zhang2, Yuehan Lu1 and Chunmiao Zheng3, (1)University of Alabama, Department of Geological Sciences, Tuscaloosa, AL, United States, (2)Department of Geological Sciences, University of Alabama, Tuscaloosa, AL, United States, (3)University of Alabama, Tuscaloosa, AL, United States