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Background and Overview history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets Dufourkarte MTB 1862 history ¦ organisation ¦ monitoring strategy website ¦ datasets Visualization by P. Rastner Ice auger of Agassiz & Desor, Swiss Alpine Museum, Bern 1862 ¦ Agassiz publishes his Ice Age theories in the 1840s Louis Agassiz 1807-1873 history 1894 ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets Visualization by P. Rastner F.-A. Forel (1841-1912) initiates internationally coordinated glacier observations in 1894 history ¦ organisation ¦ monitoring strategy ¦ 1940s Onset of glacier-wide mass balance measurement programmes website ¦ datasets Visualization by P. Rastner Tarfala Research Station Photo by S. Nussbaumer history ¦ organisation ¦ monitoring strategy 1965-74 First consideration of the need for a World Glacier Inventory ¦ website ¦ datasets Visualization by P. Rastner http://rammb.cira.colostate.edu history 1979 ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets Visualization by P. Rastner 1st World Climate Conference brings the climate change issue on the political agenda history 1986 ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets Visualization by P. Rastner Merger of PSFG and TTS/WGI into the World Glacier Monitoring Service history ¦ organisation ¦ monitoring strategy ¦ 1988 Foundation of the Intergovernmental Panel on Climate Change website ¦ datasets Visualization by P. Rastner history 1990 ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets Visualization by P. Rastner First Assessment Report (FAR) of the Intergovernmental Panel on Climate Change history ¦ organisation ¦ monitoring strategy 1992 Foundation of the UNFCCC and of GCOS ¦ website ¦ datasets Visualization by P. Rastner history ¦ organisation ¦ monitoring strategy 1998 Establishment of GTN-G under the lead of the WGMS ¦ website ¦ datasets Visualization by P. Rastner history today ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets Visualization by P. Rastner Evaluation of GTN-G and its operational bodies (WGMS, NSIDC, GLIMS) history ¦ organisation ¦ monitoring strategy Global Terrestrial Network for Glaciers (GTN-G) Steering Committee Advisory Board Executive Board Global Land Ice Measurements from Space World Glacier Monitoring Service US National Snow and Ice Data Center inventory fluctuations data hosting 2.0 FTE 0.1 FTE 0.1 FTE ¦ website ¦ datasets history ¦ organisation ¦ monitoring strategy ¦ website SKYVIEW TERRAINVIEW ¦ datasets history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets GEO SCAR GRID/ARENDAL GCOS GTOS GEOSS WDC-G UNFCCC TOPC GCW CIG IAHS DEWA GTN-P FAGS ICSI GTN-H UNFAO IHP WMO WCRP ICSU IUGG CliC CCS GTN-G WDS IACS UNEP UNESCO PSFG GLIMS TTS/WGI GLACIODYN SCNAT WGMS FoG PAGES EKK GMBB CRYOCLIM IPCC NSIDC NCCR-C WCRP GLIMS RC GLOBGLACIER GPC CRYOCLIM GK SEP GFCS GLACIER_CCI SAC NVE VAW/ETH ICIMOD CRYONET GTN-G operating in between an international sky of acronyms and a scientific herd of buffalo history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets „policy-related monitoring“ means that… …observations must be relevant feasable cost-effective …corresponding strategies must be future-oriented coherent …and the resulting products must be useful understandable history ¦ organisation ¦ monitoring strategy ¦ website GCOS Tiered Monitoring System A multi-level, integrative strategy combining: local process understanding with global coverage, in-situ measurements with remote sensing, and traditional observations with new technologies ¦ datasets history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets Global Terrestrial Network for Glaciers: strategy main goals of long-term observations: process understanding model validation change detection impact assessments Haeberli et al. (2000) change detection: rate of change acceleration trends pre-industrial variability change patterns integrated / tiered observing strategy Tier 1: multi-component obs. system across environmental gradients Tier 2: process understanding and model calibration => extensive energy & mass balance studies Tier 3: regional indicators => mass change (stakes&pits, photogrammetry, LIDAR) Tier 4: regional representativeness => cumulative length change; DEM differencing Tier 5: global coverage => inventories (remote sensing/geoinformatics) history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets Time and space time repeat inventory repeat inventory mass balance length change area/volume/thickness change base inventory space fluctuations of glaciers mass balance length change area/volume/thickness change glacier inventories www.wgms.ch ¦ www.nsidc.org ¦ www.glims.org ¦ www.gtn-g.org One-stop data-portal on www.gtn-g.org FoG WGMS WGI WGMS / NSIDC GLIMS NSIDC Glacier photos NSIDC history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets GTN-G datasets WGMS (2013, and earlier versions): Fluctuations of Glaciers Database. World Glacier Monitoring Service, Zurich, Switzerland. DOI: 10.5904/wgms-fog-2013-11. WGMS and NSIDC (1989, updated 2012): World Glacier Inventory. Compiled and made available by the World Glacier Monitoring Service, Zurich, Switzerland, and the National Snow and Ice Data Center, Boulder CO, USA. DOI: 10.7265/N5/NSIDCWGI-2012-02. NSIDC (2002, updated 2009): Glacier Photograph Collection. National Snow and Ice Data Center/World Data Center for Glaciology, Boulder, Colorado, USA. DOI: 10.7265/N5/NSIDC-GPC-2009-12 GLIMS and NSIDC (2005, updated 2012). GLIMS Glacier Database. National Snow and Ice Data Center/World Data Center for Glaciology, Boulder, Colorado, USA. DOI: 10.7265/N5V98602 NSIDC (2014, and earlier versions): Glacier observations from NASA's Operation IceBridge Aircraft Missions. Arendt et al. (2013): Randolph Glacier Inventory (v3.2): A dataset of global glacier outlines. Global Land Ice Measurements from Space, Boulder, Colorado, USA. history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets GTN-G data policy Endorsement of ICSU’s fundamental principal of full and open exchange of data and information for scientific and educational purposes. One-year retention period is granted to allow all investigators and data contributors time to properly analyse, document, and publish their data and results before submitting them in standardized formats to GTN-G. All data submitted to GTN-G are considered public domain for noncommercial use and are made digitally available at no costs. The use of data and information from GTN-G requires acknowledgement to the respective GTN-G operational bodies (WGMS, NSIDC, GLIMS) and/or the original investigators and sponsoring agencies according to the available meta-information. All GTN-G datasets come with citation recommendations and digital object identifiers. www.wgms.ch ¦ www.nsidc.org ¦ www.glims.org ¦ www.gtn-g.org 120 years of internationally coordinated glacier monitoring compilation and dissemination of standardized data about glacier distribution and changes GTN-G is today’s organisational framework for the glacier data centers and services