Chalk Cliffs, Colorado, Landslide Monitoring Site

Science Center Objects

Recent Monitoring Data

Rainfall | Flow Stage and Bed Pore Pressure | Battery Voltage | Video Camera

Rainfall

Rainfall for last 24 Hours

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Chalk Cliffs, Colorado, Landslide Monitoring Site. Rainfall, last 24 hours.(Public domain.)

Rainfall for last 14 Days

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Chalk Cliffs, Colorado, Landslide Monitoring Site. Rainfall, laast 14 days. (Public domain.)

Flow Stage

Stage is measured by a non-contact distance meter suspended over the channel. The device measures the distance from the sensor to the surface below. When no runoff is present, the measurement surface is the surface of the channel bed. Distance measurements are converted into a stage above a datum, which is 0.5 m beneath the bedrock channel. Changes in stage detected by the sensor when no runoff is present are usually caused by infilling of the channel by dry ravel processes.

Note: Data for the stage sensor is only logged once a rainfall threshold is exceeded, so these plots may be non-existent or outdated.

Stage for last 24 Hours

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Chalk Cliffs, Colorado, Landslide Monitoring Site. Stage for last 24 hours. (Public domain.)

Stage and Rainfall for last 14 Days

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Chalk Cliffs, Colorado, Landslide Monitoring Site. Stage and rainfall for last 14 days. (Public domain.)

Battery Voltage

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Chalk Cliffs, Colorado, Landslide Monitoring Site. Battery voltage for last 14 days. (Public domain.)

Video Camera

A solar/battery powered video camera is used provide a visual record of the flow and channel change at Station 1. During rain events, video is recorded at 2 frames per second, and high-resolution photographs are taken every 30 seconds. Still images from the camera are transmitted to the internet everyday at noon and every 30 minutes during rain events. The complete video is downloaded manually from the camera.

Past Events