Abstract
Abstract. This paper presents debris-flow data recorded in the Moscardo Torrent (eastern Italian Alps) between 1990 and 2019. In this time interval, 30 debris flows were observed: 26 of them were monitored by sensors installed on the channel, while four were only documented through post-event observations. Monitored data consist of debris-flow hydrographs, measured utilizing ultrasonic sensors, and rainfall. Debris flows in the Moscardo Torrent occur from early June to the end of September, with higher frequency in the first part of summer. The paper presents data on triggering rainfall, flow velocity, peak discharge, and volume for the monitored hydrographs. Simplified triangular hydrographs and dimensionless hydrographs were derived to show the basic features of the debris flows in the Moscardo Torrent (time to peak, surge duration, flow depth) and permitting comparison with other instrumented catchments. The dataset is made available to the public with the following DOI: https://doi.org/10.1594/PANGAEA.919707.
Highlights
Debris-flow research requires experimental data that are difficult to collect because of the intrinsic characteristics of these processes
This paper presents debris-flow data recorded in the Moscardo Torrent between 1990 and 2019
A 30-year dataset of debris flows recorded in an instrumented basin of the eastern Italian Alps has been presented
Summary
Debris-flow research requires experimental data that are difficult to collect because of the intrinsic characteristics of these processes. The short duration of debris flows, hampers the possibility of direct observations in channels not equipped with permanent and automatic monitoring devices. Both post-event field observations and monitoring in instrumented channels are suitable to collect debris-flow data, even if with different resolutions and purposes. The following data are presented: date of debrisflow occurrence, triggering rainfall, debris-flow hydrographs, peak discharge, and volume These data were selected because they define the fundamental characteristics of debris flows and were recorded employing instrumentation (rain gauges and ultrasonic sensors for flow stage measurement) installed in the study catchment across the whole duration of the monitoring period. Data recorded by other instruments, namely seismic sensors (Arattano, 1999) and video cameras (Arattano and Marchi, 2000), which are available only for a part of the monitoring period, are not considered here
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