Articles | Volume 19, issue 10
Biogeosciences, 19, 2699–2727, 2022
https://doi.org/10.5194/bg-19-2699-2022
Biogeosciences, 19, 2699–2727, 2022
https://doi.org/10.5194/bg-19-2699-2022
Research article
01 Jun 2022
Research article | 01 Jun 2022

Estimating dry biomass and plant nitrogen concentration in pre-Alpine grasslands with low-cost UAS-borne multispectral data – a comparison of sensors, algorithms, and predictor sets

Anne Schucknecht et al.

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Short summary
Actual maps of grassland traits could improve local farm management and support environmental assessments. We developed, assessed, and applied models to estimate dry biomass and plant nitrogen (N) concentration in pre-Alpine grasslands with drone-based multispectral data and canopy height information. Our results indicate that machine learning algorithms are able to estimate both parameters but reach a better level of performance for biomass.
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