Welcome to the

Global Terrestrial Network for Glaciers (GTN-G)

under the auspices of: FAO, ICSU, UNEP, UNESCO, WMO

The Global Terrestrial Network for Glaciers (GTN-G) is the framework for the internationally coordinated monitoring of glaciers and ice caps in support of the United Nations Framework Convention on Climate Change (UNFCC). The network, authorized under the Global Climate/Terrestrial Observing System (GCOS, GTOS), is jointly run by the World Glacier Monitoring Service (WGMS), the U.S. National Snow and Ice Data Center (NSIDC), and the Global Land Ice Measurements from Space initiative (GLIMS). More... This websiste provides general information on GTN-G and a map-based browser for available glacier data.

Looking for data? ... start with data overview


Glacier monitoring session @ AGU fall meeting 2013
Glacier monitoring session @ DACA-13
20th anniversary of the Global Climate Observing System
Updated GCOS Satellite Supplement now online!


GTN-G Session on "Glacier Monitoring from In-situ and Remotely Sensed Observations" at EGU meeting 2013

photo: childs glacier, alaska, by i. gaertner, 2008
last change 11/7/13, igr