Top Tweets for #deacoastlines
Happy to announce the fourth annual update of @GeoscienceAus's #DEACoastlines coastal change dataset, featuring new annual shorelines for 2023! ππ°οΈ
Also new: a "layer selector" allowing you to easily switch between rates of change and annual shorelines at any level of zoom! πΊ
Was great to chat with Tom from @USGS_EROS about our @GeoscienceAus #DEACoastlines work: using @NASA_Landsat satellite data to map 35+ years of coastal change across Australia!
Interactive map here: https://t.co/7PbGxIzKLF
In our latest Eyes on Earth podcast episode, Dr. Robbi Bishop-Taylor, Coastal Earth Observation Scientist at @GeoscienceAus, talks about the #DigitalEarthAustralia (DEA) #Coastlines dataset and how it is being used to monitor #CoastalChange. Listen here: https://t.co/vdH77POcP8
Mind blown π€― Just discovered that our #DEACoastlines @terriajs map has an experimental "augmented reality" mode!
35 years of coastal change at Black Head Beach visualised interactively on a smartphone!
Using Landsat, @GeoscienceAus #DEACoastlines and @DEarthAfrica Coastlines inform how we protect coastal environments & communities here & around the world. In fact, DEAfrica Coastlines could inject US$580 million into Africaβs economy.
Read the Headline: https://t.co/C2MJzKY5Si
π°οΈ Using #Landsat, #DEACoastlines and #DEAfrica Coastlines inform how we protect coastal environments & communities here & around the world. In fact - #DEAfrica Coastlines could inject US$580 million into Africaβs economy.
Learn more π https://t.co/UzUOiuBQD9.
Some exciting updates in the latest @GeoscienceAus #DigitalEarthAU newsletter! Some highlights:
π°οΈ New Landsat 9 data calibrated for Australia
π New #DEACoastlines data for 2022
βοΈ New #DEANotebooks and improved #DEATools Python tools + doco
More here! https://t.co/ryPiOrA2Sb

Our #DEACoastlines mapping tool has been updated to include continental data for 2022. Explore year-on-year change across Australiaβs entire coastal landscape β including dramatic 2022 split of QLDβs Bribie Island https://t.co/Xq7p2rYHh0
π· Bribie Island's Coastlines 1988-2022
Happy new coastal data day! πποΈ
#DEACoastlines is now updated with new annual shorelines for 2022 - I'll be speaking about the data at #CoastsandPorts2023 this morning - drop in to Minyama 2 at 11:10am to hear more!

A great deep dive into the Bribie Island breach from Sel Sultmann at #CoastsandPorts2023, including some fascinating historical aerial photography and a neat application of @GeoscienceAus #DEACoastlines satellite shoreline data!
The geographer's curse: having to compulsively photograph each and every interesting environmental feature you fly over! βοΈπΈ
(below: the northern and southernmost tips of Moreton Island, Queensland, with #DEACoastlines historical shorelines for comparison!)

A huge thanks to everyone from the Victorian Coastal Monitoring Program for collecting and sharing their amazing #citizenscience #UAV coastal monitoring data to help us validate #DEACoastlines - such an incredible resource! ππ
Citizen scientists are using drones across Victorian beaches to inform the Victorian Coastal Monitoring Program, sharing data to help us validate our #DEA Coastlines datasets.
Full story and subscribe π https://t.co/j4SVpORFPz.
π· #DEACoastlines shoreline annual data at Cowes

Citizen scientists are using drones across Victorian beaches to inform the Victorian Coastal Monitoring Program, sharing data to help us validate our #DEA Coastlines datasets.
Full story and subscribe π https://t.co/j4SVpORFPz.
π· #DEACoastlines shoreline annual data at Cowes

@CopernicusEU A longer-term record of coastal dynamics at Double Island Point captured by #DEACoastlines over the past three decades:
https://t.co/sb57b7ir4E

Super cool to see our @GeoscienceAus #DEACoastlines and @DEarthAfrica Coastlines datasets available to Google Earth Engine users in the #GEE community catalogue - thanks so much @samapriyaroy!
Great news for the #GEE community catalog with updated CMIP6 North America dataset from @adaptwest v7.3 now with 20 and 30-year ensemble models & Shoreline datasets from @GeoscienceAus and @DEarthAfrica
Share & like the GitHub project for more
https://t.co/NBY2FtgIB4
#opensource
Our #DigitalEarthAU Coastlines mapping tool is an invaluable resource for understanding coastal change in #Australia.
#DEACoastlines 2.0 update includes 2021 data and new coverage of #GreatBarrierReef, Torres Strait and northwest WA
Learn more π https://t.co/2aiTu7pAt0.
To keep up to date with upcoming #DEACoastlines versions and changes, I recommend signing up to our technical #DigitalEarthAU mailing list here:
https://t.co/zM7TurOznk
And we'd really love to hear any feedback on issues with the data, or ideas for future releases! π§ͺπ
And although not quite as flashy, a lot of our work in #DigitalEarthAU over the past year has focused on automating our #DEACoastlines workflows so they can be run easily in the cloud. βοΈβοΈ
This means the next 2022 update will be coming soon - mid-2023!
https://t.co/hCQokVrgu4
#DEACoastlines data for the entire Australian coastline is available as an @opengeospatial GeoPackage and Esri Shapefiles:
https://t.co/ER11YD6cHH
And on the interactive #DEAMaps platform below!
https://t.co/7PbGxIzKLF
#DEACoastlines now includes more detailed certainty flags to help identify potential data quality issues with each individual annual shoreline and rates of change point:
https://t.co/0ZMcCpRuub
For example, dashed lines below indicate possibly poor quality shorelines:

Most excitingly, we've expanded #DEACoastlines coverage to include many additional offshore islands and exposed reefs, particularly in the Great Barrier Reef, Torres Strait and northwest WA:

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