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Password: DualCryo2021!

Day 1 – Wednesday 13 Jan

14:00 – 14:10 Introduction & workshop objectives, Andy Shepherd (Univ. Leeds)

Land Ice (Chair: Mal Mc Millan) 

14:10 – 14:30 Keynote: State of the art and SRL of dual-band measurements on land ice and ice sheets (Univ. Lancaster)

14:30 – 14:50 Invited contributions (10’ each)
• Comparisons of satellite and airborne radar and laser altimetry over the ice sheets, Inès Otosaka (Univ of Leeds), 
• Greenland ice sheet mass balance 1992-2020 from radar altimetry, Sebastian Simonsen (Tech Univ Denmark)

14:50 – 15:20 Regular contributions (7’ each):
• Altimetry mission performances over Antarctica: Cryosat-2, AltiKa and Sentinel-3A, Jeremie Aublanc (CLS) et al
• Adaptation of the Snow Microwave Radiative Transfer model (SMRT) for altimetric applications in the Antarctic ice sheet, Ghislain Picard (CNRS) et al
• Towards a comprehensive analysis of radar altimetry backscattering over the cryosphere, Frédéric Frappart (LEGOS) et al
• CryoSURF: Deep Neural Networks to combine elevation measurements over the ice sheet, Martin Ewart/Alex Horton (EarthWave) et al

15:20 – 15:35 break

15:35 – 15:45 Invited contribution 
• Time varying surface penetration bias generated from coincident ICESat-2 and CryoSat-2 observations over Greenland and Antarctica, Johan Nilsson (JPL)

15:45 – 17:30 Discussion: Identify gaps in the technical knowledge and observational data, and make recommendations for further studies

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Day 2 – Thursday 14 Jan

Sea Ice (Chair: Eero Rinne)

14:00 – 14:20 Keynote: State of the art and SRL of dual-band measurements on sea ice, Eero Rinne (FMI) et al

14:20 – 14:50 Invited contributions (10’ each) 
• Scattering characteristics and snow depth determination from KuKa Ku- and Ka-band polarimetric, dual frequency, ground-based radar deployed in altimeter mode during MOSAiC, Rosie Willatt (UCL) et al
• Combining ESA and NASA altimetry over sea ice, Rachel Tilling (NASA GSFC) et al
• Snow depth on sea ice from airborne Ku/Ka-band and ultra-wide band radars, Stefan Hendricks (AWI) et al

14:50 – 15:00 ESA dual frequency campaign datasets, Tânia Casal (ESA)
15:00 – 15:10 NASA IceBridge campaign dual frequency datasets and Ka-band outlook, Sinéad Farrell (Univ. Maryland) & NASA IceBridge campaign dual frequency datasets and Ka-band outlook, Jilu Li (CReSIS, Univ. Kansas)

15:10 – 15:25 break

15:25 – 16:00 Regular contributions (7’ each):
• Comparing Coincident Elevation and Freeboard of IceBridge ATM, Cryosat-2, and Sentinel-3 over Arctic sea ice, Donghui Yi (NOAA) et al
• 25 years of airborne multi-band altimetry - the ESA CryoVEx campaigns and related campaigns in the Arctic and Antarctica, Rene Forsberg (Tech Univ Denmark) et al
• Dual-frequency airborne radar measurement for potential estimates of snow depth, Henriette Skourup (Tech Univ Denmark) et al
• Baltic SEAL: assessment and perspectives of Ku and Ka band sea level retrieval with and without sea ice coverage, Marcello Passaro (DGFI-TUM) et al
• Multi-Frequency Satellite Approaches for Snow on Sea Ice: Polar+ Snow, Michel Tsamados (UCL) et al

16:00 – 16:10 Invited contribution 
• Snow depth from CryoSat-2 and ICESat-2 freeboards: progress and on-going work, Ron Kwok (APL, Univ. Washington)

16:10 – 17:30 Discussion: Identify gaps in the technical knowledge and observational data, and make recommendations for further studies