The Human Impacts Database

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


Quantity Value HuID Source Type
Estimate of oceanic zooplankton biomass ≈ 3 - 150 × 1012 kg 85142 Hatton, I.A., Heneghan, R.F., Bar-On, …
Global average ocean pH 8.055 ± 0.001 pH units 90472 Copernicus Marine Environment Monitoring Service …
Ocean heat uptake (1.1 ± 0.2) × 1022 J / yr 94108 Cheng, L., Trenberth, K. E., …
Global annual mean sea level rise due to meltwater {1.97 (-0.34, + 0.36)} × 10-3 m / yr 97108 Frederikse, T., Landerer, F., Caron, …
Global annual mean sea level rise due to thermal expansion {1.19 (-0.20, +0.25)} × 10-3 m / yr 97688 Frederikse, T., Landerer, F., Caron, …
Net oceanic CO2 uptake (9.5 ± 2.2) × 1012 kg CO2 / yr 99089 Friedlingstein, P., Jones, M. W., …