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- Title
A multi-site, year-round turbulence microstructure atlas for the deep perialpine Lake Garda.
- Authors
Piccolroaz, Sebastiano; Fernández-Castro, Bieito; Toffolon, Marco; Dijkstra, Henk A.
- Abstract
A multi-site, year-round dataset comprising a total of 606 high-resolution turbulence microstructure profiles of shear and temperature gradient in the upper 100 m depth is made available for Lake Garda (Italy). Concurrent meteorological data were measured from the fieldwork boat at the location of the turbulence measurements. During the fieldwork campaign (March 2017-June 2018), four different sites were sampled on a monthly basis, following a standardized protocol in terms of time-of-day and locations of the measurements. Additional monitoring activity included a 24-h campaign and sampling at other sites. Turbulence quantities were estimated, quality-checked, and merged with water quality and meteorological data to produce a unique turbulence atlas for a lake. The dataset is open to a wide range of possible applications, including research on the variability of turbulent mixing across seasons and sites (demersal vs pelagic zones) and driven by different factors (lake-valley breezes vs buoyancy-driven convection), validation of hydrodynamic lake models, as well as technical studies on the use of shear and temperature microstructure sensors. Measurement(s) temperature of water • conductivity of water • pressure of water • velocity shear • turbidity • concentration of chlorophyll a in water • turbulence related quantities (TKE and temperature variance dissipation rates, diapycnal diffusivity) • Secchi depth • temperature of air • atmospheric pressure • atmospheric wind speed • humidity • solar radiation Technology Type(s) turbulence microstructure profiler • Secchi disk • weather station Sample Characteristic - Environment lake Sample Characteristic - Location Italy • Lago di Garda Machine-accessible metadata file describing the reported data: https://doi.org/10.6084/m9.figshare.14564430
- Subjects
LAKE Garda (Italy); TURBULENCE; MICROSTRUCTURE; TURBIDITY; ATMOSPHERIC pressure
- Publication
Scientific Data, 2021, Vol 8, Issue 1, p1
- ISSN
2052-4463
- Publication type
Article
- DOI
10.1038/s41597-021-00965-0