1. ANTARCTIC DIGITAL DATABASE UPDATE
SCAR, SCAGI meeting AUGUST 2016
Peter Fretwell, British Antarctic Survey

2. ADD remains a well used and important resource
Primary repository and resource for Antarctic map data
Data is vector based topographic data
Over 10,000 downloads since reformatting the web interface in January 2016
BAS remains committed to developing the ADD

3. Change in the Web Browser
2014
2016
Improved look and feel – simpler, cleaner

4. Change in the Web Browser
Simplified download options
Open data – freely available
Improved back-end services base on RAMADDA
Rationalized some attribute fields

5. New data December 2014 – January 2016

6. Update August 2016
1. New up-to-date ice shelf coastline digitized from Sentinel 1 satellite radar data for most of East Antarctica

7. Automated rock outcrop from Landsat8
Almost fully automated method
More accurate in most areas
Some underestimation and a small amount of errors
Additional layer to compliment traditional rock outcrop layer
Talk on Monday in the Observing and Mapping Antarctica session

8. Future Updates
PGC coastline – highly detailed high resolution coastline, some work needed to incorporate attributes
Blue ice dataset
BOADEM digital elevation model

9. INVITATION FOR MORE DATA
The Future
Regular Continent-wide coastline updates
Protocol and incorporation of satellite derived datasets
Data paper for ADD – easy referencing; citations for SCAR SCAGI product
Publication of attribute schemas
Version control (geogig)
Possible use of cloud services
INVITATION FOR MORE DATA