Table 2 List of the selected basins with the information on the location, the basin area, the density of rain gauges (from GPCC) and the data period.

From: River flow prediction in data scarce regions: soil moisture integrated satellite rainfall products outperform rain gauge observations in West Africa

Basin name

Station

Region

Area (km2)

#rain gauges/10,000 km2 (GPCC)

Data period

Po

Boretto

Europe

55,183

> 4

2015–2016

Tevere

Monte Molino

Europe

5,269

> 4

2015–2017

Ronco

Coccolia

Europe

548

> 4

2015–2016

Danube

Ingolstadt

Europe

20,001

> 4

2015–2016

Benin-Oueme

Beteorou

West Africa

12,000

1–2

2015–2016

Daka-Saidou

Sabere Bani

West Africa

15,659

1

2015–2017

Gourbassy

Diokéba

West Africa

16,134

1

2015–2017

Krokodil

Kalkheuwel

South Africa

2,551

2–3

2015–2017

Tsitsa

Xonkonxa

South Africa

4,285

2–3

2015–2017

Tsomo

Wyk Maduma

South Africa

2,359

2–3

2015–2017