Hellmers, SandraSandraHellmers2021-06-302021-06-302021-05Technische Universität Hamburg (2021)http://hdl.handle.net/11420/9508Publication of main code sections (modules, subroutines, functions etc.) developed and written by Dr.-Ing. Sandra Hellmers within her dissertation (Hellmers 2020). Theoretical approaches, deriviation of equations and the overall methodology is explained in the dissertation (Hellmers, 2020), (Hellmers & Fröhle 2017) and (Hellmers & Fröhle 2021). The executable core Kalypso-NA_4.0 is released and published in February 2021: http://kalypso.wb.tu-harburg.de/downloads/KalypsoNA/. Supplement information about input and output parameters to compute backwater effects in surface waters of tidal lowland catchments including control structures are summarised in the attached file: "Hellmers_supplement_2020_parameters_backwater.pdf". The code "Kalypso-NA" is published under the terms of the GNU Lesser General Public License as described by the Free Software Foundation, version 2.1. References: Hellmers, S. and Fröhle, P. (2021): Computation of backwater effects in surface waters of tidal lowland catchments including control structures – An efficient and re-usable method implemented in the hydrological open source model Kalypso-NA (4.0), Geosci. Model Dev. Discuss. [preprint], https://doi.org/10.5194/gmd-2021-140, in review. Hellmers, S. (2020): Integrating local scale drainage measures in meso scale hydrological modelling of backwater affected catchments, Dissertation, Institute of River and Coastal Engineering, Technical University Hamburg, Hamburg, Germany. https://doi.org/10.15480/882.2627 Hellmers, S., & Fröhle, P. (2017). Integrating local scale drainage measures in meso scale catchment modelling. Water (Special Issue: Hydroinformatics and Urban Water Systems), 2017(9,71). https://doi.org/10.3390/w9020071enhttps://creativecommons.org/licenses/by-nc-sa/4.0/hydrological modellingbackwater effectssource codeSUDS, LID, WSUD & BMPsTechnikIngenieurwissenschaftenLandschaftsgestaltung, RaumplanungText10.15480/882.352210.15480/882.3522Wasserbau B-10Text