Month: June 2020

Remote Sensing of Lightning Strikes

We’ve had a few days of summer storms and lightning strikes leading to blackouts and animal deaths. If you want see where lightning is happening here and now, then real-time lightning detection has the answer. The detectors measure Very Low Frequency radio waves and triangulate bursts to locate lightning strikes. Met Eireann feeds data (from…
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NDMI in the past ten years

In the latest Teagasc Map of the Month ( I used MODIS Terra surface reflectance data to calculate the Normalised Difference Moisture Index (NDMI) as a proxy for the spatial variation in the effect of the spring 2020 drought in Ireland. The specific measure I used was the difference in the average NDMI in May…
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