The hydrologic cycle, also known as the water cycle, is the continuous movement of water on, above, and below the surface of the Earth. It involves processes such as evaporation, condensation, precipitation, and runoff, which help circulate and distribute water throughout the planet. The water cycle is a crucial natural process that sustains life and regulates the Earth's climate.
Well carrying around O2 bottles from cradle to grave would be a drag. And moderating temperatures at night is certainly a good thing. The hydrocycle seems like something we ought to keep. And blocking harmful UV is a good thing, too.
As water seeps into the ground, it can replenish underground water sources (aquifers) and contribute to groundwater flow. Eventually, this water may make its way back to the ocean through rivers, streams, or even discharge along coastlines.