Articles | Volume 24, issue 3
Hydrol. Earth Syst. Sci., 24, 1543–1564, 2020
https://doi.org/10.5194/hess-24-1543-2020
Hydrol. Earth Syst. Sci., 24, 1543–1564, 2020
https://doi.org/10.5194/hess-24-1543-2020

Research article 01 Apr 2020

Research article | 01 Apr 2020

Historical and future changes in global flood magnitude – evidence from a model–observation investigation

Hong Xuan Do et al.

Data sets

The Global Streamflow Indices and Metadata (GSIM) archive - Part 1 H. X. Do, L. Gudmundsson, M. Leonard, and S. Westra https://doi.org/10.1594/PANGAEA.887477

The Global Streamflow Indices and Metadata (GSIM) archive - Part 2 L. Gudmundsson, H. X. Do, M. Leonard, and S. Westra https://doi.pangaea.de/10.1594/PANGAEA.887470

ISIMIP2a Simulation Data from Water (global) Sector (V. 1.1) S. Gosling, M. H. Schmied, R. Betts, J. Chang, P. Ciais, R. Dankers, P. Döll, S. Eisner, M. Flörke, D. Gerten, M. Grillakis, N. Hanasaki, S. Hagemann, M. Huang, Z. Huang, S. Jerez, H. Kim, A. Koutroulis, G. Leng, X. Liu, Y. Masaki, P. Montavez, C. Morfopoulos, T. Oki, L. Papadimitriou, Y. Pokhrel, F. T. Portmann, R. Orth, S. Ostberg, Y. Satoh, S. Seneviratne, P. Sommer, T. Stacke, Q. Tang, I. Tsanis, Y. Wada, T. Zhou, M. Büchner, J. Schewe, and F. Zhao https://doi.org/10.5880/PIK.2019.003

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Short summary
We presented a global comparison between observed and simulated trends in a flood index over the 1971–2005 period using the Global Streamflow Indices and Metadata archive and six global hydrological models available through The Inter-Sectoral Impact Model Intercomparison Project. Streamflow simulations over 2006–2099 period robustly project high flood hazard in several regions. These high-flood-risk areas, however, are under-sampled by the current global streamflow databases.