Geomorphology Lab

The geomorphology lab includes a Canberra gamma counter broad energy germanium detector (BE3830) with a vertical dipstick cryostat (which we affectionately call Harbin because, like the city Harbin, the gamma counter is very cold), the state of the art instrument for measuring abundance of short-lived isotopes in sediments. The detector measures a sample every 24-48 hours or so and has been busy counting sediments from lake cores and river sediments in Ohio, beach sands in Pennsylvania, and river sediments and loess terrace deposits from China. Collecting data with the instrument requires no wet chemistry, only sieving and crushing sediments with a mortar and pestle. Most of the sample prep and analysis done in the lab is completed by undergraduate research assistants.

In addition to the gamma counter, the geomorphology lab has three GIS-enabled computers equipped with software for remote sensing and GIS analysis.

New Schmidt Lab
Looking to the north in the geomorphology lab

The photo above shows the northeast corner of the lab. To the left in the photo are two of the three workstations. The center of the photo shows Harbin, the gamma counter, and the computer to the right runs Harbin.

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