Modeling the Effect of Plants and Peat on Evapotranspiration in Constructed Wetlands

Table 1

Description of mesocosms, pulse input tracer, evapotranspiration, and aboveground biomass.

Pilot; ID1	Plant	Peat	Tracer; recovered	𝜏^2	ts^3	Average; ET rates	Above; ground; biomass
			%	𝑑	𝑑	mm/d	kg/m^2
U1	no	no	75.5	3.6	5.4	0.3	—
U2	no	yes	85.1	4.1	9.9	0.2	—
R1	Reed	no	65.1	4.4	7.0	8.0	1.2
R2	Reed	no	61.2	4.2	5.9	6.3	0.9
C1	Cattail	no	67.4	3.9	5.9	3.8	0.2
C2	Cattail	no	61.8	4.3	6.1	7.3	0.6
R3	Reed	yes	27.2	6.0	7.7	16.7	2.3
R4	Reed	yes	41.0	5.9	9.2	16.4	2.2

1Adapted from Naylor et al. [13].
2Theoretical HRT (τ) was calculated following the method described in Chazarenc et al. [8].
3Experimental HRT (ts) was determined using integration of response curves.