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Metadata

  • Station or site: Contributing Station
  • WMO ID (if any):
  • Shape: point
  • Latitude, longitude: 65.701, -38.866
  • Altitude and/or range (m): 580
  • Landscape: Icesheet
  • Year established: 2004
  • Year ended (therefore inactive): 2016
  • Year-round? Yes
  • Operations contact: Michele Citterio
  • Science contact: Dirk van As
  • Data contact: Dirk van As
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PROMICE TAS_U
Contributing Station Information

Until its end in 2016, this was a PROMICE station, continuing a pre-existing similar station (Tas2/Tas3) which started in 2004.

In 2007 the Programme for Monitoring of the Greenland Ice Sheet (PROMICE) was initiated as an ongoing effort to assess changes in the mass budget of the Greenland ice sheet. The two major contributors to the Greenland ice sheet mass loss are a reduction in the surface mass budget through enhanced surface melt and an increasing ice calving flux through glacier acceleration. PROMICE aims to quantify both these processes. The surface mass budget is monitored by a network of weather stations in the melt zone of the ice sheet, providing measurements that feed into models calculating ice-sheet-wide melt. Changes in ice dynamics are tracked using satellite imagery and on-ice GPS. In order to translate this into the mass of ice lost at the many Greenland calving glaciers, information on ice thickness is required as well. This is obtained by airborne laser and radar surveys of the entire ice sheet margin. In addition, changes in the extent of the ice sheet and the many local ice caps and glaciers in Greenland are monitored through with satellite imagery.

The PROMICE network on the ground is composed of seven transects encompassing the margin of the Greenland Ice Sheet. Each transect is composed by two to four automatic stations, from Thule in NW Greenland to Upernavik, Kangerlussuaq, Nuuk, and Qassimiut in West and South Greenland, to Tasiilaq, Scoresbysund and Kronprins Christian Land in East and North Greenland. Starting with 2009, Mittivakkat Glacier in East Greenland is also being monitored. Since 2007 all PROMICE stations are identical and measure air temperature, relative humidity, wind speed and direction, atmospheric pressure, incoming and outgoing short- and longwave radiation, ice temperature, surface velocity, snow depth and surface ice ablation.

Measurement Methods Used

Other relevant measurement method documents:

Given the broad scope of PROMICE, different guidelines and measurement methods are followed as far as relevant to the peculiar conditions of the Greenland Ice Sheet. Among these:

WMO, 2008, Guide to meteorological instruments and methods of observation, WMO-No. 8, World Meteorological Organization, Geneva, Switzerland.

Paul, F., R.G. Barry, J.G. Cogley, H. Frey, W. Haeberli, A. Ohmura, C.S.L. Ommanney, B. Raup, A. Rivera & M. Zemp, 2009, Recommendations for the compilation of glacier inventory data from digital sources, Annals Glaciol., 50(53), 119–126.

Østrem G. and M. Brugmann, 1991, Glacier Mass Balance Measurements. A manual for field and office work. National Hydrology Research Institute (Canada), Science Report No. 4.

Kaser, G., Fountain, A., and Jansson, P., 2003, A Manual For Monitoring the Mass Balance of Mountain Glaciers. IHP-VI Technical Documents in Hydrology No. 59, UNESCO-IHP, Paris.

Data Information

Publications

Ahlstrøm AP, Gravesen P, Andersen SB, Van As D, Citterio M, Fausto RS, Nielsen S, Jepsen HF, Kristensen SS, Christensen EL, Stenseng L, Forsberg R, Hanson S, Petersen D and PROMICE Project Team (2008) A new programme for monitoring the mass loss of the Greenland ice sheet. Geol. Surv. Denmark Greenland Bull., 15, 61-64.

Measurements

The measurements made at PROMICE TAS_U are listed in the following tables. (Note: If End Year is blank, measurements are ongoing.)

Cryosphere Measurements

Element Variable Start Year End Year Frequency
SnowDepth2004Continuous
SnowAlbedo2008Continuous
SnowSurface temperature2008Continuous
Icesheet2004Continuous
IcesheetSurface mass balance2004Continuous
IcesheetSurface velocity2008Continuous
IcesheetInternal temperature2008Continuous
IcesheetSurface elevation2008Continuous
IcesheetSurface temperature2008Continuous
IcesheetSurface albedo2008Continuous

Atmosphere Measurements

Element Variable Start Year End Year Frequency
MetAir temperature2004Continuous
MetHumidity/vapour pressure2004Continuous
MetWind speed and direction2004Continuous
MetAir pressure2004Continuous
RadiationDownwelling shortwave2004Continuous
RadiationUpwelling shortwave2004Continuous
RadiationDownwelling longwave2008Continuous
RadiationUpwelling longwave2008Continuous

Last updated: 31 May 2017