Wasserkreislauf 
hydrologic cycle 
Sonnenstrahlen 
solar radiation 
Kondensation 
condensation 
Wirkung des Windes 
action of wind 
Eis 
ice 
unterirdischer Abfluss 
underground flow 
Ozean 
ocean 
Niederschlag 
precipitation 
Verdunstung 
evaporation 
Transpiration 
transpiration 
Infiltration 
infiltration 
oberirdischer Abfluss 
surface runoff 
Verdunstung 
evaporation 
Niederschlag 
precipitation 