Statistical evidence of recharge and supply controlling nitrate variability at springs discharging from the upper Floridan Aquifer

P Spellman, J Gulley, A Pain, M Flint, S Kim… - Science of The Total …, 2022 - Elsevier
Over the last several decades, rising nitrate concentrations in springs discharging from north
Florida's karstic Upper Floridan Aquifer have coincided with proliferation of algae in Florida …

The role of antecedent groundwater heads in controlling transient aquifer storage and flood peak attenuation in karst watersheds

P Spellman, J Gulley, JB Martin… - Earth Surface Processes …, 2019 - Wiley Online Library
Transient storage of floodwaters in aquifers is known to attenuate peak flows in rivers and
drive subsurface dissolution. Transient aquifer storage could be enhanced in watersheds …