Monthly Archives: July 2016

CO2 in springs is hard to measure

The karst research team got a visit from Hank Edenborn of DOEs NETL lab and Dorothy Vesper from WVU to learn about their CO2 sampling and logging techniques.  The loggers are very expensive and not easy to calibrate based on … Continue reading

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Sprinker test at SERC

No rain?  Just set up some sprinklers! We did that on campus to try out monitoring soil moisture during infiltration using an EM Profiler.  Undergrad Paul O’Neill is looking at this data as part of his summer research project.  Looks … Continue reading

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Longitudinal sampling on Wissahickon

We spent a day getting samples from the headwaters to the Philly border along the Wissahickon and its tributaries.  Sarah, Marley and I each took a section of the creek to sample the day.  For this round of sampling, the … Continue reading

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New REE data at karst springs

We collected samples from 16 spring in central PA and and an urban karst area just outside Philly and had them analyzed for REE.  Rare earth elements (REE) have been used in previous studies to differentiate aquifer source rock and … Continue reading

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