Table 1 Socio-economic variables and datasets used for flood exposure analysis.

From: Increased flooded area and exposure in the White Volta river basin in Western Africa, identified from multi-source remote sensing data

Socio-economic variables

Dataset

Variable retrieved

Spatial resolution

Year

Reference

Population

High-Resolution Settlement Layer (HRSL)

Population density

30 m

2015

59

WorldPop

Population density

90 m

2020

57,58

Land use

OpenStreetMap

Urban area

Building footprints, residential, cities, etc

–

–

60

Rural area

Villages, towns

Farm

Farm

Global Human Settlement Layer (GHSL)

Rural, semi-urban, urban areas

-

 

66

Globeland30

Croplands, built-up area

30

2020

 

Key infrastructures

OpenStreetMap

Roads, schools, hospitals,dams, parking, water wells, boreholes, etc

–

–

60

HeathSites

Pharmacy, hospital, clinic

–

2020

https://healthsites.io/

Domestic water points (Potential geographic occupancy)

Boreholes Water wells

1 km

2020

63