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Collaborative Investigation of Climate Cryosphere Interaction (CICCI)

CICCI3 field campaign. This campaign is the third international field campaign in Ny-Ålesund coordinating and collecting data related to the cryosphere and climate using unmanned aircraft as well as satellite and in-situ sampling techniques. Focus is on measurements of aerosol, snow, glacier and sea-ice properties and their interaction.

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Project date

Starts
2009-09-01

Ends
2017-08-31

Project status

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Project type

  • field work
  • remote sensing
  • modelling

Discipline

  • atmosphere
  • terrestrial biology
  • cryosphere
  • technology and engineering

Project Keywords

  • cryosphere / sea ice / ice deformation
  • cryosphere / glaciers/ice sheets / glaciers
  • cryosphere / sea ice / ice depth/thickness
  • atmosphere / atmospheric radiation / albedo
  • biological classification / plants / mosses/hornworts/liverworts
  • land surface / topography / terrain elevation
  • atmosphere / aerosols / aerosol optical depth/thickness
  • cryosphere / sea ice / ice roughness
  • cryosphere / sea ice / leads

Fieldwork information

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Summary

The CICCI approach developed chosen to maximize scientific yield through organizing and coordinating existing projects under one umbrella. In this manner the projects will provide a width of supporting data creating unique datasets that could not have been achieved otherwise. Deploying field experiments in the Arctic is challenging both from a logistical and cost point of view so it is important through planning and coordination to exploit the opportunities such deployments offer. For this reason CICCI offer an interdisciplinary opportunity within several fields, each described with scientific background and questions to be answered, data needed to address the questions and plan for collecting these datasets. CICCI does not necessary plan to give final answers to these questions but to develop technology, sensor systems and algorithms that could measure the parameters needed with documented sufficient accuracy. The purpose being establishing tools for scientist for future regular monitoring of key parameters needed for understanding our changing environment and climate as well as meeting operational needs for accurate forecasting. Sea-ice properties The most efficient way of collecting sea-ice data covering large part of the Arctic Ocean and surrounding seas is through the use of satellite data. However limitations in spatial resolution and product accuracy create the need for additional measurement technologies to fulfill the needs of both with regard to better understanding and monitoring of climate change and for meeting industrial needs to ensure safe operations in ice affected waters. In CICCI 3 the goal is to demonstrate capabilities of sensors developed for unmanned aircraft to accurate measure sea ice properties. Aircraft from NOAA, Norut and NTNU will be instrumented with sensors for measuring different sea ice properties and the resulting data will be compared by covering the same tracks as well as by ground truthing performed at the N-ICE station as well as in Kongsfjorden. The Norwegian Polar Institute will lead the ground validation activities both from the N-ICE station and locally in Kongsfjorden. These activities will involve snow and ice thickness, drift speed, freeboard, roughness and albedo measurements. University of Tromsø Aerosol Properties Transport and deposition of aerosols into the arctic influence the arctic climate. Depending on composition and altitude, aerosols affect a number of processes giving both positive and negative radiative feedbacks to the climate system. Measurements of aerosol concentration, composition and optical properties of airborne and deposited aerosols combined with modelling of back trajectories will allow for determination of source regions and to separate antropogenic and natural sources. Snow Properties In August 2014 Norut did high resolution 3D mapping based on photogrammetry of a few square kilometers at two sites outside Ny-Ålesund. These sites will be re-visited in CICCI3 using both photogrammetry and laser altimeters for snow thickness distribution mapping. Use of photogrammetry could be challenging with snow cover if light conditions are not ideal due to lack of surface texture. Icebergs and Growlers NTNU/ITK has developed dropsonde devices that measures GPS position and will be remotely deployed at target location from the base station. In this experiment a simple electric RPAS will be used for testing with a limited range of 20 km, however there is a rich supply of small ice floes and icebergs in Kongsfjorden that can be used for testing. The sonde will use SATCOM to report its position. Glacier Properties Glacier surface elevation, and glacier dynamics will be compared to in-situ measurements as well as to measurements done in August 2014 by Norut of ice surface and dynamics at the Kongsvegen Kronebreen glacier fronts.

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