Long-term monitoring of boundary layer parameters such as that done at Cabauw is a team effort. Over the years, it has involved many people at the Royal Netherlands Meteorological Institute, and we would like to acknowledge their efforts. In particular, we would like to thank Bert Holtslag for his encouragement to initiate this project, and Adri Buishand, Wim Kohsiek, and Gerard van der Vliet for their help in solving data problems. Wim Bastiaansen from the Winand Staring Centre helped find and interpret the information on soil characteristics, and Michael Ek helped organize our thoughts through lengthy discussions during the preparation of the manuscript.
Many of the issues discussed in this paper are the result of questions asked by the PILPS team after the models were run. The quality control and the documentation of the measuring site benefited considerably from the feedback provided by the PILPS team. Tian Chen and Sam Chang experimented with an early version of the revised data and gave valuable suggestions for improvement of the manuscript and the processing of data.
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