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Geohazards and economic geology
Quick questions on Groundwater, aquifers and hydrogeology: porosity, permeability and Darcy's law - Eduqas A-Level Geology
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is darcy's law?Show answer
Groundwater flow is described by Darcy's law, which states that the flow is proportional to the hydraulic gradient:
What is q1?Show answer
An aquifer has a hydraulic conductivity of 20 metres per day and a hydraulic gradient of 0.01. Calculate the flow velocity using Darcy's law. [2 marks]
What is q2?Show answer
State the difference between an aquifer and an aquiclude. [2 marks]
What is q3?Show answer
State two problems caused by over-abstraction of groundwater. [2 marks]
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