Groundwater hydrology on the Mahaweli System H [Sri Lanka]

agua agua dulce asia asie cartografia cartographie cartography drainage drenaje eau eau douce eau souterraine engineering environment environnement estratigrafia freshwater geologia geologie geology groundwater hidrologia hydraulic engineering hydrologie hydrology manejo del suelo medio ambiente methode methods mise en valeur du sol site factors soil management sri lanka stratigraphie stratigraphy water