Page 617 - Polymer-based Nanocomposites for Energy and Environmental Applications
P. 617
570
Surface water
Swamps
11%
Lakes
87%
Rivers
2%
Distribution of water on Earth
Groundwater
Other
0.9%
Surface
Fresh water
water
0.3%
30.1%
and glaciers
Ice sheets
67%
human consumption
Water available for
Fresh water
All water Polymer-based Nanocomposites for Energy and Environmental Applications
3%
(oceans)
Saline
97%
Glaciers 2% earth.
Usable water in the world Rivers, lakes, and ground water 1% on water of
Oceans 97% Distribution 21.1
Fig.
