This data set is the observation data of mud level meter by ultrasonic instrument in Dongchuan Debris flow station from 1999 to 2001. An ultrasonic sensor is installed in the debris flow gully. The data is the difference between the installation height of the sensor and the mud depth height of the debris flow, with the unit of (m). The installation section coordinates of sensor 1 are about 103.133844 ° e, 26.24744296n, and sensor 2 are about 103.13499212 ° E and 26.24779165 ° n. The data is named as ul-yyxx: UL is the ultrasonic sensor model, YY represents the year, and XX represents the XX debris flow observation in that year. The specific occurrence and movement of the debris flow need to be used with the "overall observation" data of the platform. For example, ul-9901 refers to the mud level of the first debris flow in Jiangjia gully in 1999 measured by UL type sensor. For other information of the debris flow, see the data "debris flow movement elements and overall observation statistics of debris flow in Jiangjia gully, Dongchuan, Yunnan Province, 1999-2005". The two data are associated with the debris flow number YYXX (example 9901).
The ultrasonic sensor is installed in the debris flow gully. The test data of the sensor is the difference between the installation height of the sensor and the mud depth of the debris flow. The installation section coordinates of sensor 1 and sensor 2 are 103.133844 ° and 26.24744296 ° and 103.13499212 ° and 26.24779165 ° respectively.
Raw data, unprocessed
The quality of the original observation data is good
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