New Work at Kartchner

The carbon dioxide meter has been installed at Kartchner Caverns. In A the meter is above a condensation line and is reading about 1062 ppm of carbon dioxide. In B, the meter is below a condensation line (red dashed line) and is measuring about 679 ppm. The condensation line likely separates the inflow of colder, denser outside air from warmer less dense cave air.

Kartchner_cmp_20190304

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