Articles | Volume 23, issue 1
Research article
01 Feb 2023
Research article |  | 01 Feb 2023

Bare-earth DEM generation from ArcticDEM and its use in flood simulation

Yinxue Liu, Paul D. Bates, and Jeffery C. Neal


Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on nhess-2022-210', Dai Yamazaki, 21 Sep 2022
  • RC2: 'Comment on nhess-2022-210', Guy J.-P. Schumann, 06 Nov 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (21 Dec 2022) by Anne Van Loon
AR by Yinxue Liu on behalf of the Authors (22 Dec 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (12 Jan 2023) by Anne Van Loon
Short summary
In this paper, we test two approaches for removing buildings and other above-ground objects from a state-of-the-art satellite photogrammetry topography product, ArcticDEM. Our best technique gives a 70 % reduction in vertical error, with an average difference of 1.02 m from a benchmark lidar for the city of Helsinki, Finland. When used in a simulation of rainfall-driven flooding, the bare-earth version of ArcticDEM yields a significant improvement in predicted inundation extent and water depth.
Final-revised paper