0 votes 0 votes The relationship between porosity $(\eta)$, specific yield $(S_y)$ and specific retention $(S_\tau)$ of an unconfined aquifer is: $S_y+S_\tau = \eta$ $S_y+ \eta = S_\tau$ $S_\tau+ \eta = S_y$ $S_y+ S_\tau + \eta =1$ Hydrology gate2015-ce-2 hydraulics-and-aquifers water-resources-engineering hydrology + – Milicevic3306 asked Mar 26, 2018 • recategorized May 28, 2021 by Chandanachandu Milicevic3306 11.9k points answer See all 0 reply