1. From a Census of 680,000 Street Trees to Smart Stormwater Management: A Study of Efficacy and Economics of Street Tree Guards in New York City Elliott, Robert M.; Shetty, Nandan Hara; Culligan, Patricia J. 2018 Reports Urban hydrologyHydrologyUrban runoff--ManagementTrees in citiesStormwater infiltration
2. Green roof seasonal variation: comparison of the hydrologic behavior of a thick and a thin extensive system in New York City Elliott, Robert M.; Gibson, R. A.; Carson, Tyler B.; Marasco, Daniel; Culligan, Patricia J.; McGillis, Wade R. 2016 Articles Green roofs (Gardening)Urban hydrologyUrban runoff--ManagementEnvironmental sciencesCivil engineering