Seasonal variability in organic substances in surface and cave waters at Marengo Cave, Indiana

Water samples from forest soils and a shallow cave underlying them were collected for the hydrological year 1996–1997. The soil waters did not display much seasonal variability in concentrations of organic substances in them but the cave waters yielded distinct highest levels in the spring and autumn seasons. The important controls on the amount of organic substances reaching the cave are the seasonal fluctuation in volume of the percolation …