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| Description: Groundwater Distribution and movement of groundwater Distribution of groundwater Porosity Percentage of pore spaces Determines storage of groundwater Permeability Ability to transmit water through connected pore spaces Aquitard – an impermeable layer of material Aquifer – a permeable layer of material Features associated with groundwater Springs Hot springs Water is 6–9° C (10–15° F) warmer than the mean air temperature of the locality Heated by cooling of igneous rock Geysers Intermittent hot springs Water turns to steam and erupts Features associated with groundwater Wells Pumping can cause a drawdown (lowering) of the water table Pumping can form a cone of depression in the water table Artesian wells Water in the well rises higher than the initial groundwater level Picture Stats: Views: 296 Filesize: 99.53kB Height: 838 Width: 1014 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39479 |