background and overview. dufourkarte mtb 1862 history ¦ organisation ¦ monitoring strategy ¦...
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1862 Louis Agassiz Ice auger of Agassiz & Desor, Swiss Alpine Museum, Bern Agassiz publishes his Ice Age theories in the 1840s Visualization by P. Rastner history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasetsTRANSCRIPT
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Background and Overview
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Dufourkarte MTB 1862
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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1862
Louis Agassiz 1807-1873
Ice
auge
r of A
gass
iz &
Des
or, S
wis
s A
lpin
e M
useu
m, B
ern
Agassiz publishes his Ice Age theories in the 1840s
Visualization by P. Rastner
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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1894
F.-A. Forel (1841-1912) initiates internationally coordinated glacier observations in 1894
Visualization by P. Rastner
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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1940s
Onset of glacier-wide mass balance measurement programmes Tarfala Research StationPhoto by S. Nussbaumer
Visualization by P. Rastner
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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1965-74
First consideration of the need for a World Glacier Inventory http://rammb.cira.colostate.edu
Visualization by P. Rastner
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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1979
1st World Climate Conference brings the climate change issue on the political agenda
Visualization by P. Rastner
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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1986
Merger of PSFG and TTS/WGI into the World Glacier Monitoring Service
Visualization by P. Rastner
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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1988
Foundation of the Intergovernmental Panel on Climate Change
Visualization by P. Rastner
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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1990
First Assessment Report (FAR) of the Intergovernmental Panel on Climate Change
Visualization by P. Rastner
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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1992
Foundation of the UNFCCC and of GCOS
Visualization by P. Rastner
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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1998
Establishment of GTN-G under the lead of the WGMS
Visualization by P. Rastner
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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today
Evaluation of GTN-G and its operational bodies (WGMS, NSIDC, GLIMS)
Visualization by P. Rastner
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
Global Terrestrial Network for Glaciers (GTN-G)
Steering Committee
Advisory Board Executive Board
World Glacier Monitoring
Service
US National Snow and Ice Data Center
Global Land Ice Measurements
from Space
2.0 FTE 0.1 FTE
0.1 FTE
fluctuationsinventory data hosting
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SKYVIEW
TERRAINVIEW
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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GCOS GTOSTOPC
ICSUWDS
IUGGIACS
UNFAO
UNEP UNESCO
WMO
GLIMS RCCRYOCLIM
GFCS
IPCC
GEOSS UNFCCC
CliC
EKKSCNAT
WCRP
ICSIIAHS CIG
GRID/ARENDAL
DEWAIHP
CCS
GKSEPSACVAW/ETH CRYONET
GTN-HGTN-P
ICIMOD NVE
PAGESNCCR-C
FAGSWDC-G
GTN-G
WGMSGLIMS
NSIDC
PSFGTTS/WGIFoG
GMBB
GPC
SCAR
GLACIODYN
CRYOCLIMGLOBGLACIER
GLACIER_CCI
WCRP
GEOGCW
GTN-G
operating in between an international sky of acronyms and a scientific herd of buffalo
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relevantfeasable
understandableuseful
future-orientedcoherent
…observations must be
…corresponding strategies must be
…and the resulting products must be
cost-effective
„policy-related monitoring“ means that…
history ¦ organisation ¦ monitoring strategy ¦ website ¦ datasets
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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
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Global Terrestrial Network for Glaciers: strategy
integrated / tiered observing strategyTier 1: multi-component obs. system across environmental gradientsTier 2: process understanding and model calibration
=> extensive energy & mass balance studiesTier 3: regional indicators
=> mass change (stakes&pits, photogrammetry, LIDAR)Tier 4: regional representativeness
=> cumulative length change; DEM differencingTier 5: global coverage
=> inventories (remote sensing/geoinformatics)
main goals of long-termobservations: process understanding model validation change detection impact assessments
change detection: rate of change acceleration trends pre-industrial variability change patterns
Haeberli et al. (2000)
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time
base inventory
repeat inventory
repeat inventory
fluct
uatio
ns o
f gla
cier
s
mass balance length change
area/volume/thickness change
space glacier inventories
mass balance length change
area/volume/thickness change
Time and space
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FoGWGMS
WGIWGMS / NSIDC
GLIMSNSIDC
Glacier photosNSIDC
One-stop data-portal on www.gtn-g.org
www.wgms.ch ¦ www.nsidc.org ¦ www.glims.org ¦ www.gtn-g.org
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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/NSIDC-WGI-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.
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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 non-commercial 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.
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120 years of internationallycoordinated glacier
monitoring
GTN-G istoday’s organisational
framework for the glacierdata centers and services
www.wgms.ch ¦ www.nsidc.org ¦ www.glims.org ¦ www.gtn-g.org
compilation and dissemination of standardized data about
glacier distribution and changes