Linking estimation methods to conceptual models of groundwater recharge - Estimating Groundwater Recharge - page 184

Table 9.1. ( Cont . )

Ty pe Time scales

Recharge Data

collection
frequency

Drainage or
Base low

Multi-
annual Method Focused Diffuse Event/daily Weekly Seasonal Annual Decadal Millennial Steady

UZ/GW methods
zero-lux x D x x m

plane

lysimeter x D x x m

water-table x R x x x m

luctuation

Surface Water Based
seepage

x R,D,B x 1

meter

step- x R x x m

response

function

low duration x B x x 0

hydrograph x B x x 0

separation

(HS)

recession-curve x R,B x x 0

displacement

chemical HS x B x x x x x x m

tracer x B x m

injection