• The hydrosphere includes
the following:
Reservoir Volume 106 km3 % of total
Oceans 1370 97.25
Ice (polar/glaciers) 29 2.05
Groundwater 9.5 0.68
Lakes 0.125 0.01
Soil 0.065 0.005
Atmosphere (2%) 0.013 0.001
Rivers 0.0017 0.0001
Biosphere
0.0006 0.00004