| On their release from the antheridia, the antherozoids must then swim through surface water to fertilize neighbouring egg cells. |
| A lush habitat appears where surface water accumulates in shallow depressions to form seasonal or fairly permanent ponds. |
| Warm surface water is carried from the low latitudes to the higher polar latitudes as a surface current. |
| I remembered standing on the very tip of its bow, looking down at the surface water boiling around it. |
| Somewhere in the maze of subterranean cracks below the village, contaminated surface water was leaking into clean groundwater. |
| Energy advected to and from the lake by precipitation, surface water, and ground water had little effect on evaporation rates. |
