Hydrogeology 101: Thiem equation

This video is about the Thiem equation which describes steady state flow to wells in confined aquifers. We explain the origin of the Thiem equation and illustrate it with a practical example of a hypothetical well pumping from the Lower Neogene aquifer of Kabul, Afghanistan. For this we use some data from the JICA 2011 report on 'The Study on Groundwater Resources Potential in Kabul Basin in the Islamic Republic of Afghanistan'. You can access the report here: https://openjicareport.jica.go.jp/pdf... Link to the Thiem spreadsheet: http://bit.ly/2JJQJwV Link to the Neogene confined aquifer example: http://bit.ly/394uFWm