The Horton Research Grant is a grant awarded to Ph.D. students studying hydrology, water resources, or a closely related field. The grant is awarded to up to three students each year. It is funded by the Robert E. Horton Fund for Hydrologic Research to promote excellence through encouraging the next generation of professionals in the hydrological sciences. Applicants must be a current AGU student member and enrolled in a doctoral program in hydrology, water resources, or a closely related field such as water resources policy science.