Figure S7. Modeled C-Q relationships from 4 hypothetical cases reproduced typical nitrate export patterns under Agriculture, Mixed, Undeveloped, and Urban land uses. The 4 hypothetical cases used representative soil N distribution to reproduce measured shallow water (Csw) and deep water (Cdw) nitrate under each land use condition (Figure 3). All colored dots are from models. Open pink circles are measured stream nitrate data measured from Conewago Creek watershed. Dashed lines are C-Q fits for each model case.