BOLZANO. Il Lake Caldaro has recently been the subject of an in-depth study on sedimentation and associated silting. The investigations provide new data on the sedimentation process in various areas of the lake and a cartographic overview of the current situation.
The study was conducted by an interdisciplinary team of scientists from theInstitute of Geology, University of Innsbruck and the AHM company of Innsbruck, with the coordination of the Biological laboratory of the Provincial Environmental Agency and climate protection.
The results of the study indicate that there are no signs of a rapid silting up of Lake Caldaro: “The sedimentation It is a natural process, in which stagnant water bodies gradually fill up over the centuries through the continuous accumulation of organic material and erosive material from the surrounding area,” he explains. Alberta Stenicodirector of the Biological Laboratory.
In the case of Caldaro, according to Stenico, the feared silting up of the lake is reduced. An increase in silting up and the resulting sedimentation would have a significant impact on the regional economy, if one takes into account the importance that the Caldaro lake has as a recreational area and tourist attraction in the Oltradige-Bassa Atesina district.
The details of the study
To carry out the study, sediment cores were collected from different areas of the lake, which were subsequently subjected to chemical and physical characterization and age determination. Although in the last 80 years it has been noticed a increase compared to the previous 800 yearsthe data collected show that the silting rates are low. A rapid sedimentation of the lake can therefore be excluded; also the risk of silting is currently low, so as not to require expensive de-silting interventions in the coming years.
These findings were integrated by a Depth map high resolution, recorded by a laser scanner positioned on an aerial platform. Comparison of this depth map with a similar document from the 1970s shows similar morphological conditions. At the same time, this map provides a detailed reference to easily and with a high degree of accuracy identify future changes.
“Surveys of this type are important to monitor and protect the quality and conditions of the water,” Stenico emphasizes. “Monitoring allows us to promptly identify problems and adopt measures to protect the body of water.”
2024-09-05 01:17:35