Optical chemical sensors for soil analysis: possibilities and challenges of visualising NH <sub>3</sub> concentrations as well as pH and O <sub>2</sub> microscale heterogeneity
Theresa Merl, Yihuai Hu, Johanna Pedersen, Silvia E. Zieger, Marie Louise Bornø, Azeem Tariq, Sven G. Sommer, Klaus Koren
Abstract
The spatiotemporal heterogeneities and agricultural influences of soils can be imaged in 2D with optical chemical sensors inside and above non-waterlogged soils.
Topics & Concepts
Microscale chemistryEnvironmental scienceEnvironmental chemistryRemote sensingSoil scienceEarth scienceMaterials scienceData scienceNanotechnologyComputer scienceChemistryGeologyMathematicsMathematics educationAnalytical Chemistry and SensorsAdvanced Chemical Sensor TechnologiesWater Quality Monitoring and Analysis