low-cost groundwater detection - science hack day 2014

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Low-Cost Groundwater Detection Science Hack Day 2014 Mika McKinnon, Alice Pevyhouse, Jeremy Wong, Anita Hart with extra help from Christoph, Matthew, Brian, Chris and others

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Page 1: Low-Cost Groundwater Detection - Science Hack Day 2014

Low-Cost Groundwater Detection

Science Hack Day 2014

Mika McKinnon, Alice Pevyhouse, Jeremy Wong, Anita Hartwith extra help from Christoph, Matthew, Brian, Chris and others

Page 2: Low-Cost Groundwater Detection - Science Hack Day 2014

Things you need

wires

electrodes

power source

voltmeter

Page 3: Low-Cost Groundwater Detection - Science Hack Day 2014

To measure resistivitySpace electrodes evenly

Page 4: Low-Cost Groundwater Detection - Science Hack Day 2014

To measure resistivityInject current in OUTER pair

Page 5: Low-Cost Groundwater Detection - Science Hack Day 2014

To measure resistivityMeasure voltage across INNER pair

Page 6: Low-Cost Groundwater Detection - Science Hack Day 2014

To measure resistivityMATH!

Page 7: Low-Cost Groundwater Detection - Science Hack Day 2014

To measure resistivityMATH!

Page 8: Low-Cost Groundwater Detection - Science Hack Day 2014

To measure resistivityMATH!

Page 9: Low-Cost Groundwater Detection - Science Hack Day 2014

To measure resistivity

As distance a

increases, the

depth of signal

increases

Page 10: Low-Cost Groundwater Detection - Science Hack Day 2014

Recap• Low-cost groundwater

detection is necessary to measure groundwater usage on a wide scale !

• The Arduino was chosen to use for data logging purposes