WP 2.3 Change in mass balance of the Green-

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WP 2.3 Change in mass balance of the Green- land ice sheet and its transfer to sea level rise D 2.3.1:– Time series of satellite altimetry height changes of the Greenland ice sheet, year since 1992 expressed as height change grids - month 18 D 2.3.2: Grid of ICESat height changes, average trend 2003-2008 - month 18 D 2.3.3: Gridded time series of GRACE-based Greenland mass changes - month 18 D 2.3.4: Time series of Greenland ice sheet mass balance from 1992 to present (combining all techniques) and improved ”overall” freshwater input trend to the oceans surrounding Greenland and sea level rise - month 36 MONTH 18 = end of August 2011

WP 2.3: Status and questions Deadlines for upcoming deliverables D2.3.1-D2.3.3 are due MONTH 18, this is at the end of August, 2011: Lead beneficiary: DTU Space D 2.3.1: Time series of satellite altimetry height changes of the Greenland ice sheet, year since 1992 expressed as height change grids - I believe this is covered by input from NERSC based on ERS-1/2 and ENVISAT data ? D 2.3.2: Grid of ICESat height changes, average trend 2003-2008 - This deliverable is almost ready

WP 2.3: Status and questions - continued Lead beneficiary: CNRS D 2.3.3: Gridded time series of GRACE-based Greenland mass changes - Are these mass changes provided by CNRS and/or DTU Space ? D 2.3.4: Time series of Greenland ice sheet mass balance from 1992 to present (combining all techniques) and improved ”overall” freshwater input trend to the oceans surrounding Greenland and sea level rise - month 36 - Are there any wishes for the division of the Greenland ice sheet for the freshwater flux outlet basins ? Last but not the least we need to agree on data format and grid definitions.