| Instrument: ULTRASONIC DEPTH GAUGE |
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Related Data Sets View all records related to this instrument Description Snow depth is monitored constantly beneath the instrument tower using a Campbell Scientific UDG01 Ultrasonic Depth Gauge. This sensor measures the distance from the sensor to the surface; it is currently mounted at 6.0 above the ground, so during peak snowpack conditions it is 2-3 m above the snow surface. The primary components of this sensor are the Polaroid Ultrasonic transducer and the Polaroid 6500 Sonar Ranging Module. The instrument bounces an ultrasonic wave off the surface and
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