The Human Impacts Database

A collection of useful numbers for quantifying the impacts of the human presence on Earth.


Quantity Value HuID Source Type
Volume of water in ocean-connected rivers that are not free-flowing ≈ 3.62 × 1011 m3 15550 Grill, G., Lehner, B., Thieme, …
Annual sediment flux due to rivers ≈ (1.2 ± 0.2) × 1013 kg / yr 51481 Syvitski, J.P, Vorosmarty, C.J, Kettner, …
Volume of water in rivers that are free-flowing ≈ 6.04 x 1011 m3 55718 Grill, G., Lehner, B., Thieme, …
Volume of water in rivers that are not free-flowing ≈ 5.64 × 1011 m3 61661 Grill, G., Lehner, B., Thieme, …
Global water volume used in reservoir management 1.10 × 1011 m3 64549 Quin, Y., Mueller, N. D., …
Volume of water in ocean-connected rivers that are free-flowing ≈ 3.07 × 1011 m3 69322 Grill, G., Lehner, B., Thieme, …