It lives in underground aquifers in Slovenia, surfacing only when floodwaters sweep it from its lair. (sciencemag.org)
A 12 percent increase in the rate of aquifer recharge from added precipitation, combined with a projected 3 - foot rise in sea level by the end of the century, would raise groundwater levels in some parts of the city by an additional foot — up to 4 feet higher than current levels. (scientificamerican.com)
Some scientists have proposed that erupting cryovolcanoes or deep underground aquifers of liquid methane occasionally recharge Titan with methane. (sciencemag.org)