ESA-CliC-EGU Earth Observation and Cryosphere Science Conference

ESA-CliC-EGU Earth Observation and Cryosphere Science

The ESA-CliC-EGU Earth Observation and Cryosphere Science Conference took place from 13th to 16th November 2012 at the Italian center of the European Space Agency, ESRIN. The conference aimed to provide a forum for world-class scientists to present new research results and focus on and discuss future challenges on EO technology for cryosphere science.

We ask participants to upload poster presentations in advance of the conference to provide a legacy archive and allow others to view posters ahead of time to be prepared for lively discussions with authors and presenters. Be sure to check out the poster programme for the meeting too!

Please upload posters as pdfs. If you have any troubles, contact the CliC IPO.

Order

NChampollion- Hoar crystal development and disappearance at Dome C, Antarctica: observation by near-infrared photography and passive microwave satellite

Details: Hoar crystals episodically cover the snow surface in Antarctica and affect the roughness and reflective properties of the air-snow interface. However, little is known about their evolution and the processes responsible for their development and disappearance despite a probable influence on the...

MZygmuntowska- Waveform analysis of Ku-Band radar altimeter data over arctic sea ice

Details: Data from two different years from ESA's CryoSat validation experiments CryoVex 2008 and 2007 are analyzed and possibilities for sea ice classification based on a Ku-band radar altimeter waveforms are presented. While the detection of leads is crucial to correctly retrieve the freeboard the...

FGirard-Ardhuin- Sea ice satellite products available at Ifremer/CERSAT

Details: Polar orbiting satellites enable daily and global coverage of the polar oceans, providing an unique monitoring capability of sea ice dynamics over Arctic and Antarctic. Available Ifremer/CERSAT operational products include Arctic and Antarctic ice concentration (and extent), and Arctic sea ice...

DClifford- Impact of snow on the Arctic Ocean in a climate model

Details: A present day control integration performed with the Hadley Centre's coupled climate model HadGEM1.2 experiences a large salinity bias in the Arctic Ocean when compared to in situ observations. Such a large salinity bias may have implications for both Arctic and Atlantic Ocean circulation. Large...

DClifford- Investigating the relationship between Eurasian snow and the Arctic Oscillation with satellite data and models

Details: Recent research suggests Eurasian snow-covered area (SCA) influences the Arctic Oscillation (AO) via the polar vortex. This could be important for Northern Hemisphere winter season forecasting. A fairly strong negative correlation between October SCA and the AO, based on both monthly and daily...

MKern- Scientific preparations for the Candidate Earth Explorer 7 mission CoReH2O

Details: In March 2005, ESA released a Call-for-Ideas for proposals for the seventh Earth Explorer (EE7). Scientific priorities focused on the global carbon cycle, the global water cycle, atmospheric chemistry and climate, and the human element as a cross-cutting issue. Out of 24 proposals, 6 candidates...

SRose- Arctic Tides from GPS on Sea-ice / Poster

Details: The presence of sea-ice in the Arctic Ocean plays a significant role in the Arctic climate. Sea ice dampens the ocean tide amplitude with the result that global tidal models which use only astronomical data perform less accurately in the polar regions. This study presents a kinematic processing...

VKonovalov- Dynamics and regionalization of Central Asian glaciers by remote sensing data

Details: Author: V.G.Konovalov and V.A.Rudakov. ESA Conference on Earth Observation and Cryospheric Science, Frascati, Italy, November 13-16, 2012.

RHurkmans- Mass change estimates for the Antarctic ice sheet from satellite altimetry

Details: The mass balance of an ice sheet may be estimated using observed elevation changes from spaceborne altimeters. However, two important factors introduce uncertainty to the resulting mass change estimates: first, point measurements of elevation change need to be interpolated over the entire area of...

KLangley- CryoSat cal/val Activities on Austfonna

Details: Part II: Ground-based Ku-band Radar for Validation of the CryoSat-2 SIRAL Author: Kirsty Langley ESA Conference on Earth Observation and Cryospheric Science, Frascati, Italy, November 13-16, 2012

AMichel- Investigation on the Envisat altimetric height error over the Antarctic ice sheet: comparison with Icesat data on crossover points

Details: In this poster, we investigate the surface elevation difference between two altimeters, RA-2 from Envisat and GLAS from Icesat. Both satellites were time-coincident and covered Antarctica providing informations about the ice sheet characteristics. Unfortunately, radar altimeters give a biased...

ADehecq- Evaluation of CryoSAT-2 for height retrieval over the Himalayan range

Details: Climate warming over the 20th century has caused drastic changes in mountain glaciers globally, and of the Himalayan glaciers in particular. The stakes are high; mountain glaciers are the largest contributor to the increase in the mass of the world‘s oceans, and the Himalayas play a key role in...

ADehecq- Evaluation of CryoSAT-2 for height retrieval over the Himalayan range

Details: Climate warming over the 20th century has caused drastic changes in mountain glaciers globally, and of the Himalayan glaciers in particular. The stakes are high; mountain glaciers are the largest contributor to the increase in the mass of the world‘s oceans, and the Himalayas play a key role in...

EMaksimovich- 20 years of the ocean wind record in the marginal Arctic Seas

Details: Author: Elena Maksimovich ESA Conference on Earth Observation and Cryospheric Science, Frascati, Italy, November 13-16, 2012

MBrogioni- Analysis of The Spatial and Temporal Features of The East-Antarctic Plateau by means of Multifrequency Microwave Emission Data

Details: Antarctica is the last mostly unexplored continent on Earth. The knowledge of its dynamics is very limited due to the impervious environment which makes almost impossible the human presence and thus the ground research activities. The largest region of Antarctica is represented by the...

LAndrea- Comparison between velocities of the Drygalski Ice Tongue (Antarctica) obtained with Cosmo-SkyMed and ERS Tandem Pairs

Details: The David glacier, with its floating ice tongue Drygalski, is the most important outlet glacier in Northern Victoria Land, Antarctica. We have compared displacement maps of the superficial velocities of the Drygalski ice tongue obtained from SAR scenes acquired in different years with different...

RScharien- Spring-summer first-year sea ice geophysical and biophysical information from polarimetric C-band radar: early results

Details: Future constellation missions will increase the frequency of C-band synthetic aperture radar (SAR) coverage in polar regions, and will augment regional scale process studies. Enhanced potential for information retrieval will also be made possible through multi-polarization and polarimetric...

VDjepa- Antarctic sea ice thickness retrieval, possible limitations, uncertainties and recommendations

Details: The purpose of this paper is to investigate the available sea-ice products in Antarctica, provide recommendations for updated satellite products and analyze the uncertainties of the retrieved sea-ice thickness from radar altimeter, considering the factors affecting sea-ice distribution and...

TNagler- Monitoring Snow, Glaciers and Lake Ice Using Earth Observation Data in the GMES Project Cryoland

Details: The project “CryoLand – GMES Service Snow and Land Ice” deals with the development and delivery of customized snow, glaciers and lake and river ice products as a Downstream Service within the Global Monitoring for Environment and Security (GMES) program of the European Commission. CryoLand...

KSteffen- CliC Keynote in Frascati 2012

Details: CliC SSG Chair Konrad Steffen's Keynote Address at the ESA-CliC-EGU Earth Observations and Cryosphere Science Conference in Frascati, Italy on 13 November 2012. Posters from the conference are archived here: http://www.climate-cryosphere.org/index.php/albums/esa-clic-egu-2012

KScharrer- Validation and inter-comparison of ice velocity fields from SAR data – Results of the ESA glacier-cci Round Robin experiments

Details: Ice velocity is an important parameter to evaluate the dynamic response of glaciers to climate change and to calculate the mass fluxes. Repeat pass SAR data enable the mapping of ice motion at high accuracy by means of differential processing techniques, including SAR interferometry andoffset...

CD'Agata- Evaluation of volume and thickness changes occured at some selected Chilean glaciers in the timeframe 2000-2011

Details: The recent changes of some selected Chilean glaciers dealing with volume and thickness changes of some selected Chilean Glaciers. We compared SRTM data with LIDAR data surveyed in 2011 thus obtaining the glacier changes over the time window 2000-2011. The work was perfomed in the framework of an...

JLandy- Linkages between thermodynamic processes operating within landfast, seasonal sea ice and SAR signatures during the Arctic melt season: methods, observations and preliminary results

Details: In situ data were collected over landfast first-year sea ice (FYI) in Resolute Passage, Nunavut (Canada) between May and July in 2011 and 2012 as part of the Arctic-ICE field program to examine possible linkages between thermodynamic processes operating on, and within, the ice, and SAR...

NHughes- Classification of Arctic sea ice with combined C- and L-band Synthetic Aperture Radar

Details: Operational sea ice mapping by the national ice services is one of the largest user groups for satellite Synthetic Aperture Radar (SAR) data. The benefits of this data, particularly for charting large areas of the polar seas at medium resolution throughout the year under all-weather conditions,...

NHughes- Dual-Polarisation SAR Sea Ice Type Classification and Iceberg Detection in the western Fram Strait

Details: This paper reports on work conducted at the Norwegian Ice Service to develop operational sea ice type classification and iceberg detection. The area of study is the western side of Fram Strait, along the north-east coast of Greenland. As the East Greenland Current is the main conduit for ice...

MKaminski- IceBridge Airborne Mission Data and Services at the National Snow and Ice Data Center

Details: Operation IceBridge is a NASA airborne geophysical survey mission collecting laser altimetry, ice-penetrating radar, gravimetry and other geophysical measurements to monitor and characterize fast-changing areas of the Earth’s cryosphere. The IceBridge mission, begun in 2009, will continue through...

FHüsler- A satellite-based snow cover climatology for the European Alps derived from AVHRR data (1985-2011)

Details: For understanding long-term changes and interactions in Alpine snow cover extent, the data acquired by the Advanced Very High Resolution Radiometer (AVHRR) sensors mounted onboard the National Oceanic and Atmospheric Association (NOAA) and European Organisation for the Exploitation of...

SAdams- The observation of the thin-ice thickness distribution within the Laptev Sea polynya using MODIS data

Details: Polynyas are of high research interest since these features are areas of extensive new ice formation. The calculation of accurate ice-production values requires the knowledge of polynya area and thin-ice thickness distribution. These two variables can be derived by remote sensing data. However, a...

ADietz- European Snow Cover Characteristics between 2000 and 2011 derived from improved MODIS daily snow cover products

Details: Snow cover is an important variable in terms of freshwater availability, radiation budget, and environmental security. Europe with its diverse climate, topography, and land cover is characterized by very heterogeneous snow cover conditions. The objective of the presented study was to analyze...

NNeckel- Analyses of dynamics of Purogangri ice cap (Central Tibetan Plateau) by means of SAR interferometry

Details: Abstract: Due to their remoteness and harsh climatic conditions, little is known about the glaciological parameters of ice caps on the Tibetan Plateau (TP). In this study an interfer-ometrical analysis was carried out for Purogangri ice cap on the central TP. Purogangri ice cap covers an area of...

FParmiggiani- Comparison of Terra Nova Bay Polynya Extent as measured by Envisat/ASAR and Cosmo-Skymed Images

Details: Coastal polynyas around Antarctica have been the subject of great scientific interest. Recent studies have been carried out by means of AMSR-E and MODIS images. SAR images, which are cloud-free and have a much better spatial resolution than AMSR-E and MODIS, represent a valid tool for studying...

LGray- Using the CryoSat Interferometric Swath Mode for Glacial Ice Topography

Details: Digital Elevation Models (DEMs) have been created using interferometric swath mode data collected by Cryosat 2 between Feb. 2011 and Jan. 2012 over the western part of the Devon Ice Cap in Canada. Airborne scanning laser data were compared with the DEMs and showed a mean difference of a few...

ARoyer- Improvements in snow monitoring using a coupled snow evolution – microwave emission model

Details: To accurately monitor and predict snowpack properties, including snow water equivalent (SWE), over remote Northern regions remains challenging when using land surface schemes (LSS) of climate models as well as more sophisticated thermodynamic multilayered snow models (TMSM) without any...

Vu Phan- Geometric links between Tibetan lakes and glacial runoff

Details: The Tibetan plateau and surrounding mountain ranges contain the largest amount of ice outside the polar region. To directly assess changes in glacial mass balance from remote sensing data is challenging in this area because of the high relief and the relatively small size of the thousands of...

DFloricioiu- Geophysical parameters of outlet glaciers in the Transantarctic Mountains from TerraSAR-X

Details: A significant amount of the East Antarctic Ice Sheet‘s mass is transported into the Ross Embayment through the Transantarctic Mountains (TAM). The TAM outlet glaciers have large catchments in the Antarctic Plateau and flow through narrow fjords into the Ross Ice Shelf. They are characterized by...

THollands- Comparison of local sea ice motion at a polynia from SAR observations and model simulations

Details: Coupled sea ice - ocean models used for Arctic- or Antarctic-wide simulations of sea ice kinematics and dynamics have usually been operated at spatial resolutions on the order of 100 km. Consequently, the validation of such models has been carried out using data from spaceborne passive microwave...

KSemmens- Detecting Changes in Melt Regime Patterns and Melt Dynamics of Icefields Using Passive Microwave Brightness Temperatures

Details: Glaciers are critical components of Earth's cryosphere of significant interest to study and monitor in order to establish a better understanding of the effects of climate change. However, the remoteness and difficulty conducting field research in these areas hinders the development of any broad...

YGauthier- Documenting local ice dynamics around Nunavik’s marine infrastructures through remote sensing and local knowledge

Details: This work is part of the project "Climate Change and Marine Infrastructures in Nunavik - Impacts and Adaptation". The global objective of this 4 year project is to predict changes in the ice conditions, water levels and storm patterns that could affect the durability of the marine infrastructures...

CMicheli- Assessing Phytal Pigment Content in Polar Ecosystem Community by Remote Sensing and in situ Investigation

Details: Multi-disciplinary monitoring of Antarctica ecosystem and its biological communities (Fig. 1) by means of integrated approach involving hyperspectral remote sensing satellite techniques and advanced laboratory and genetic analyses, aiming at determining their changes at suitable spatial/temporal...

VBarth- Svalbard Integrated Arctic Earth Observing System (SIOS)

Details: The Svalbard Integrated Arctic Earth Observing System (SIOS) is a Norwegian initiated ESFRI project (ESFRI: European Strategy Forum on Research Infrastructures) aiming at building up an international research infrastructure on the Svalbard archipelago in the European Arctic. The vision is that...

BYurchak- An Exponential Model of Radar Altimeter Waveform

Details: An assessment of waveform shape under specular reflection was carried out using the data obtained earlier in physical optics approach. The consideration was conducted for Gaussian antenna beam, rectangular probe pulse, and beam-and pulse modes. It was found that the return waveform shape differs...

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