Mapping Coastline Changes using Google Earth Engine

Would you like to map on far your region's coastline has changed? Well, I just made a script in Google Earth Engine to do that.

I am using multi-temporal Landsat data from 1990 to 2020 where I am using the Normalized Difference Water Index (NDWI) to mask the land. The value of land will be the same as the year. The land data will be part of an image collection where we will do max composite and the newest land part will be on top to show the difference between earlier year land and new. This difference is the coastline change.

I hope this video and script help.

[minhhoannguyen]

thanks you very much, This is really helpful.

[ankitavarma]

From this result can we calculate how much of the shore area has been lost to erosion or gained by accretion

[eshwarvijaydheerajkollati]

Can we also predict future change in coastline through this approach ?

[litapamungkasari]

Thank you, this is really helpful. Can you please share the script to export the Water Area Layer?

[BagusSatrio-yx]

Halo kak, kalo pake sentinel 2 gimana caranya yaa kak untuk codingnya? terima kasih

[mdnahidferdous]

I am trying to export the image for loop, but don’t understand how to do it?

[nguyenthanh-xu]

Thanks for your sharing. It's amazing. I have a question, hope you can help me.
Can the results you get can be extracted to contour line?

[auliasyasa]

halo kak, terima kasih sudah sharing. Apakah dari skrip ini bisa dilanjut untuk analisis akresi dan abrasinya langsung di gee juga?

[wndcndra]

bang coba videonya agak dipanjangin dikit, makasih