The Tall Tower Dataset is an open initiative aiming to boost the utilisation of hub-height (around 100 meters above ground) wind observations. Quality-controlled records from a collection of tall tower sites distributed worldwide are freely accessible here under license CC BY-NC-4.0. Authors using data from The Tall Tower Dataset must give credit to the dataset creators by citing the publication:
Ramon, J., Lledó, L., Pérez-Zanón, N., Soret, A., and Doblas-Reyes, F. J.: The Tall Tower Dataset: a unique initiative to boost wind energy research, Earth Syst. Sci. Data, 12, 429–439, https://doi.org/10.5194/essd-12-429-2020, 2020.