Measurement data by CRDS system at MIU in 2019

This is raw data obtained by the measurement using the Picarro G4301 along the east side of the north-facing gallery at the ground level −500 m in the Mizunami Underground Research Laboratory, Japan in 2019. The excel file "CRDSmonitoring_MIU2019.xlsx" includes data by monitoring for 30 s at 0.5 (5–45 m<b> </b>from the measurement starting point) and 1-m (53–109 m) steps. The excel file "CRDSscan_MIU2019.xlsx" includes data by round-trip “Scan by walking” at the speed of 0.5 m/s, with data for bubbles in water inflow from apertures in the concrete floor at 69 m, and data from flux measurement at 40 m.