Studies of these interactions face three major challenges 11, 12, 13: (1) lack of observations with the adequate spatiotemporal resolution and precision 14, (2) uncertainties due to the large number of processes and feedbacks involved, and (3) the difficulty of controlled and replicated experimentation. soil moisture - precipitation feedbacks 7, 8 and mesoscale circulations, they are primarily driven by local interactions between the land-surface and the atmospheric boundary layer 9, 10. Although the impact of some of these interactions occur at large spatiotemporal scales affecting regional climates 5, 6 through, e.g. The understanding of land-atmosphere interactions is important for improvements in Earth System Modelling 1, 2, 3 for climate assessment, weather prediction, and subseasonal-to-seasonal forecasts 4. The dataset presented here is a subset of the measurements in each LEOвЂ™s hillslopes, from 1 July 2015 to 30 June 2019 every 15вЂ‰minutes, consisting of temperature, water content and heat flux of the soil (at 5вЂ‰cm depth) for 12 co-located points temperature, relative humidity and wind speed above ground at 5 locations and 5 different heights ranging from 0.25вЂ‰m to 9вЂ“10вЂ‰m 3D wind at 1 location the four components of radiation at 2 locations spatially aggregated precipitation rates, total subsurface discharge, and relative water storage and the measurements from a weather station outside the greenhouses.

These facilities provide a unique opportunity to explore these interactions. The Landscape Evolution Observatory (LEO) at Biosphere 2, managed by the University of Arizona, hosts three nearly identical artificial bare-soil hillslopes with dimensions of 11вЂ‰Г—вЂ‰30 m 2 (1вЂ‰m depth) in a controlled and highly monitored environment within three large greenhouses. Land-atmosphere interactions at different temporal and spatial scales are important for our understanding of the Earth system and its modeling.

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