Posts in 2023
Colour scales / colormaps for satellite imagery vegetation indexes
Sunday, February 19, 2023 in Blog
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Introduction Whole text books are written on data visualisation. I’ve not read much of any of them, but I’ve spent quite a bit of time thinking and experimenting with how satellite imagery derivatives such as NDVI are best visualised. There is no one …
Monitoring glyphosate resistant fallow weeds with Sentinel 2 satellite imagery
Thursday, February 09, 2023 in Blog
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Background It’s well understood that controlling fallow weeds to preserve moisture and nutrition for the following crop is essential for success. What is less known is that the 10m resolution Sentinel 2 imagery is quite capable at detecting the …
Comparing PlanetScope and Sentinel 2 satellite data in wheat
Wednesday, February 08, 2023 in Blog
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Hot Take: PlanetScope imagery does not perform well in high biomass situations. Where PlanetScope saturates, Sentinel 2 continues to show variability. Comments section at end of article Background Many of us are familiar with Sentinel 2 imagery. It …
In season crop scouting with satellite imagery
Thursday, February 02, 2023 in Blog
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Over time agronomists can get very good at examining the most recent satellite image of a paddock with a familiar spectral index and color scale applied to extract a large amount of information very quickly. It is a tool that improves human …
In field experimenting with satellite imagery in agriculture. What’s holding us back?
Sunday, January 29, 2023 in Blog
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This is my perspective drawn my own experience as a grain farmer and having built tools for satellite imagery in the past. My journey started out as research into drone imagery in 2013 and led to a clear focus on the applications of the freely …
Applications of satellite imagery for agricultural professionals
Saturday, January 28, 2023 in Blog
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Satellite imagery has been used in agriculture for decades, but in recent years it has become more popular with the launch of new satellites by the European Space Agency that are helpfully designed for agricultural monitoring. This has made the data …