56
Water In Ecosystems: A Non Renewable Resource
(, _________ A_t_m_o_s_p_h_e_re __ 25 __ m_m __ N_r ____ ~--~--J
~
If 6
Schematic hydrological cycle of water on a world-wide scale
Water exchanged between the main reservoirs are given in mm/yr
Atmosphere
y
Water balance for France - Quantity of water exchanged between
the main reservoirs are given in mm/yr.
After J.P. Laborde "Le milieu hydro\ogique et l'acquisition des donnees" edition
revue par L. Demassieux, C, Cachet, B. Renaud.