La Palma volcano lava flow


Officially published by ESA on October 1st, the raw image (2021-09-30) is already available at Google-Earth-Engine, where you can manipulate with a simple code  filters and thresholds for edge detection. In this demo we used a true color background shifted to reds, and a Normalized-Difference (B4 red, B11 SWIR 1) index for the lava flow.

Check the code here.

Comments

Post a Comment

Popular posts from this blog

CONAGUA 2023

Image
The argentinian national water congress ,  August 28-30, was very dynamic with a lot of young researches. As part of IHLLA , two posters related to flood modelling and discharge time series forecasting with neural networks were presented. The links to the extended abstracts in spanish and bibliography  are here: Flood Modelling with a diffusion wave approximation over FABDEM between Parish and Cacharí. Discharge forecasting with a LSTM neural network applied to Azul basin DB.  
Read more

Join MECOM 2023

Image
Please consider to present your research at the first Argentine-Uruguayan Congress of Computational Mechanics, 6-9 th November, Concordia & Salto cities, there is a session about Hydrodynamics and Transport for water bodies . Spanish, Portuguese and English are official languages. Other sites where we can meet and discuss in the short term:   GNSS-IR short course  and  CONAGUA 2023 .
Read more