Groundwater models are widely used globally to understand groundwater systems and to guide decisions on resource management and protection from pollution however the hydrology of arid and semi arid areas is very different from that of humid regions and there is little guidance on the special challenges of groundwater modelling for these areas. Groundwater modelling in arid and semi arid areas international hydrology series amazonin wheater howard s mathias simon a li xin books. Groundwater modelling in arid and semi arid areas international hydrology series ebook wheater howard s mathias simon a li xin amazonin kindle store. This study examined how the parameters influencing lag time affect groundwater recharge in a semi arid catchment under irrigation in northeastern iran using a numerical modeling approach. Groundwater modelling in arid and semi arid areas international hydrology series kindle edition by wheater howard s mathias simon a li xin download it once and read it on your kindle device pc phones or tablets