Botswana - Surface water produced internally

1 (billion cubic meters per year) in 2020

Between 1971 and 2020, Botswana surface water produced internally remained stable at around 1 billion cubic meters per year.

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What is surface water produced internally?

Long-term average annual volume of surface water generated by direct runoff from endogenous precipitation (surface runoff) and groundwater contributions

What is Botswana surface water produced internally?