How to calculate land use area change over time in GEE?
In this article, I am going to write about how to generate land use area changes over time using Google Earth Engine (GEE). VIDEO TUTORIAL || FULL CODE 1. Input Dataset For this example, I am going to use the Landsat Imagery. I am going to use Landsat 4-9. 2. Preprocess Imagery Pre-processing imagery steps include selecting the appropriate image (cloud-free images), and mosaic and taking a mean or median value, clip image to an area of interest. 3. Calculate Area The next step is to iterate over each year from 1984 to calculate the area of the appropriate area pixel. If no image was suitable in particular imagery, remove that from the analysis and replace the value with nan. 4. Generate Graph In the final step, we can easily generate the graph using the ui.Chart module. The final output graph will look something like below,
In this article, I am going to write about how to generate land use area changes over time using Google Earth Engine (GEE).
1. Input Dataset
For this example, I am going to use the Landsat Imagery. I am going to use Landsat 4-9.
2. Preprocess Imagery
Pre-processing imagery steps include selecting the appropriate image (cloud-free images), and mosaic and taking a mean or median value, clip image to an area of interest.
3. Calculate Area
The next step is to iterate over each year from 1984 to calculate the area of the appropriate area pixel. If no image was suitable in particular imagery, remove that from the analysis and replace the value with nan.
4. Generate Graph
In the final step, we can easily generate the graph using the ui.Chart module. The final output graph will look something like below,
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