The most advanced and best performing large-scale HYPE model is encompassing the country of Sweden (S-HYPE), and it is used by the national warning service and the Swedish water authorities for ecological issues, in line with the EU Water Framework Directive. NOTE: the web interface is extensive and in Swedish.

A ‘large-scale hydrological model’ is a numerical code calculating water volume and fluxes over large geographical areas, which encompass many river basins, cross regional and international boundaries, and a number of different geophysical and climatic zones. ‘Multi-basin’ indicates that each geographical domain includes numerous coupled catchments and has a relatively high spatial resolution, although most basins are ungauged. The temporal resolution in the calculations is normally daily. Some brief characteristics of different model set-ups are given below.

Draining to Coast of all continents, except Antartica
Area (km2) 135 million
Resolution (km2)1000
Reference Period 1981-2017
No. Gauging sites 11 500
Water Quality Not available

HOW TO CITE: Arheimer, B., Pimentel, R., Isberg, K., Crochemore, L., Andersson, J. C. M., Hasan, A., and Pineda, L. (2019): Global catchment modelling using World-Wide HYPE (WWH), open data and stepwise parameter estimation, Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2019-111 (in review).

Draining toCoasts of continental Europe
Area (km2) 8.8 million
Resolution (km2) 215
Reference Period 1981-2013
No. Gauging sites 230
Water Quality Nutrients

HOW TO CITE: Donnelly, C, Andersson, J.C.M. and Arheimer, B. (2016): Using flow signatures and catchment similarities to evaluate a multi-basin model (E-HYPE) across Europe. Hydr. Sciences Journal 61(2):255-273, doi: 10.1080/02626667.2015.1027710

Draining to Arctic Basin
Area (km2)23 million
Resolution (km2)700
Reference Period 1980-2009
No. Gauging sites 1349
Water Quality Not available

EXPLORE : HISTORICAL MEANS | HISTORICAL TIME SERIES | 1-10 DAY FORECAST | CLIMATE IMPACTS | MODEL PERFORMANCE

Draining to Niger River
Area (km2) 2.1 million
Resolution (km2) 2619
Reference Period 1979-2005
No. Gauging sites 56
Water Quality Not available

EXPLORE : HISTORICAL MEANS | HISTORICAL TIME SERIES | 1-10 DAY FORECAST | CLIMATE IMPACTS | MODEL PERFORMANCE

HOW TO CITE: Andersson J.C.M., Arheimer B., Traoré F., Gustafsson D., Ali A. (2017): Process refinements improve a hydrological model concept pplied to the Niger River basin. Hydrological Processes pp.1-15.  https://doi.org/10.1002/hyp.11376

Draining toCoasts of Indian sub-continent
Area (km2)4.9 million
Resolution (km2)810
Reference Period 1976-2005
No. Gauging sites 43
Water Quality Not available

EXPLORE : HISTORICAL MEANS | HISTORICAL TIME SERIES | CLIMATE IMPACTS | MODEL PERFORMANCE

HOW TO CITE: Pechlivanidis, I. G. and Arheimer, B. (2015): Large-scale hydrological modelling by using modified PUB recommendations: the India-HYPE case, Hydrol. Earth Syst. Sci., 19, 4559-4579, doi:10.5194/hess-19-4559-2015

Draining to Rio de La Plata coast
Area (km2)3.1 million
Resolution (km2)215
Reference Period 1981-2013
No. Gauging sites 500
Water Quality Not available

EXPLORE : HISTORICAL MEANS | HISTORICAL TIME SERIES | CLIMATE IMPACTS | MODEL PERFORMANCE

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