SAVETREE

SAVETREE was created for NASA DEVELOP in Google Earth Engine in partnership with ecologists at Lassen Volcanic National Park during a 10-week research term. The user interface and functionality was refined when the project continued for another 10 weeks based on its success thus far. This interface is one example of many visuals and user experiences developed to communicate the complexities of tree mortality. This work was presented at Pecora 20 in Sioux Falls, SD in November 2017 by Anna McGarrigle.

The short video for this project won the People's Choice Award in a NASA-wide competition. It can be found on the Video page of this website.

Project overviews are here and here

SAVETREE on GitHub

 
 
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Linear Trend Map

Displays coefficient of the linear trend, calculated at each pixel over the designated time period for the selected spectral index. Colors correspond to change over team of vegetation health at each pixel. For example, Red tones indicate decline in health over time and green tones indicate growth in that particular pixel.

 
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Bivariate Map

Snapshot of mortality at the calculated year, visualized by a bivariate color scheme representing the relationship between greens (NDVI)  and moisture (NDMI). Of interest, wet/not-green features are revealed.

 
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Fire History

Display fire history data from user's choice of database and selected timeframe