Don't forget to cite! If you are using the hypsometry from DAHITI in your work please cite the following publication
Schwatke C., Dettmering D., and Seitz F.: Volume Variations of Small Inland Water Bodies from a Combination of Satellite Altimetry and Optical Imagery. Remote Sensing, 12(10), 1606, doi:10.3390/rs12101606, 2020