Modeling the Evolution of a Freshwater Lens under Highly Dynamic Conditions on a Currently Developing Barrier Island

Table 2

Overview of the implemented recharge and infiltration rates, respectively, and recharge salinities under normal conditions (359 days a year) and during storm tides (6 days a year).

	359 days a^-1 (normal conditions)			6 days a^-1 (storm tides)
Recharge zones	Recharge rate (m a^-1)	Total recharge (mm)	Recharge salinity (g L^-1)	Infiltration rate (m a^-1)	Total infiltration (mm)	Recharge salinity (g L^-1)
A	0.4	393	32-15^1	0.6-31^2	10-510	32
B	0.5	492	14-1.4	33-50	542-822	32
C	0.52	511	0	0.52^3	9^3	0^3
				9-19^4	148-312^4	32^4
D	0.35	344	6-16	13-10	214-164	32
E	0.2	197	16-22	9-2	148-33	32
F	0.15	148	22-32	2-0.02	33-0.3	32

¹Assigned recharge salinities are a function of ground surface elevation and resulting inundation frequency and were based on salinity measurements of near-surface groundwater [27]. ²Assigned infiltration rates during yearly storm tides were linked to the thickness of the unsaturated zone, presuming that the entire unsaturated zone of impacted areas gets filled up with seawater in a single storm tide. ³Non-inundated part of the dune area. ⁴Inundated part of the dune area.