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amt-10-565-2017.pdf

🔗 Source: amt.copernicus.org

📊 Size: 3.9 MB

📄 Pages: 15 pages

⬇️ Downloads: 191

Summary

A new zenith-looking narrow-band radiometer-based system (ZEN) for dust aerosol optical depth monitoring is presented, comprising a radiometer (ZEN-R41) and a methodology for AOD retrieval (ZEN-LUT). ZEN-R41 is a low-cost, robust instrument with low maintenance, suitable for deployment in remote desert areas. The ZEN-LUT method compares measured zenith sky radiance with a look-up table of computed radiance values, generated using the LibRadtran radiative transfer code. Validation using AERONET data showed good agreement, with a coefficient of determination (R2) ranging from 0.99 to 0.97 and root mean square errors (RMSE) from 0.010 to 0.032. ZEN-R41 AOD values inferred from ZEN-LUT methodology also showed good agreement with AERONET values, with mean absolute AOD differences < 0.030 and R2 > 0.97.

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Description

A new zenith-looking narrow-band radiometer-based system (ZEN) for dust aerosol optical depth monitoring is presented, comprising a radiometer (ZEN-R41) and a...

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File Format: PDF
File Size: 3.9 MB
Pages: 15
Language: EN
Total Downloads: 191
Last Updated: 1 week ago

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