The Human Impacts Database

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

This quantity is a single measurement of the quantity at a given point in time (2006-2015).


Value:		(2.78 ± 1.13) × 10¹⁴ kg / yr see this value in other units This is equivalent to... 278 ± 113 Gt / yr (3.0 ± 1.2) × 10¹¹ m³ ice / yr
HuID:		32459
Relevant Year(s):		2006-2015
Summary:		Estimate of global glacier mass loss from 2006-2015 by the IPCC. See Table 2A.1 of source.
Method:		Estimates of glacier mass change are based on aggregation of geodetic and in situ glaciological observations (Zemp et al. 2019, DOI:10.1038/s41586-019-1071-0) with satellite gravimetric observations (Wouters et al. 2019, DOI:10.3389/feart.2019.00096). 11 glacier regions are observed here (Alaska, Western Canada and USA, Iceland, Scandinavia, North Asia, Central Europe, Caucasus and Middle East, High Mountain Asia, Low Latitudes, Southern Andes, New Zealand). Uncertainty represents a 95% confidence interval calculated from standard error propagation of the 95% confidence intervals reported in the original sources assuming them to be independent. Ice volume loss was calculated from ice mass loss assuming a standard pure ice density of 920 kg / m³.
Source:		IPCC (Intergovernmental Panel on Climate Change) The Ocean and Cryosphere in a Changing Climate. (2019)
Dataset:		Provides summary statistics for mass loss from major types of glacierized regions (table2.A.1_summary_statistics.csv) regional resolution
Original Data License:		IPCC Limited Use Policy
Added By:		nsarai