Articles | Volume 11, issue 1
https://doi.org/10.5194/gi-11-75-2022
https://doi.org/10.5194/gi-11-75-2022
Research article
 | 
16 Feb 2022
Research article |  | 16 Feb 2022

Assessing the feasibility of a directional cosmic-ray neutron sensing sensor for estimating soil moisture

Till Francke, Maik Heistermann, Markus Köhli, Christian Budach, Martin Schrön, and Sascha E. Oswald

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Latest update: 01 Mar 2024
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Short summary
Cosmic-ray neutron sensing (CRNS) is a non-invasive tool for measuring hydrogen pools like soil moisture, snow, or vegetation. This study presents a directional shielding approach, aiming to measure in specific directions only. The results show that non-directional neutron transport blurs the signal of the targeted direction. For typical instruments, this does not allow acceptable precision at a daily time resolution. However, the mere statistical distinction of two rates is feasible.