Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2021GL093924 |
Neutrons on Rails – trans-regional monitoring of soil moisture and snow water equivalent | |
M. Schrö; n; S. E. Oswald; S. Zacharias; M. Kasner; P. Dietrich; S. Attinger | |
2021-12-09 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2021 |
英文摘要 | Large-scale measurements of the spatial distribution of water content in soils and snow are challenging for state-of-the-art hydrogeophysical methods. Cosmic-ray neutron sensing (CRNS) is a non-invasive technology that has the potential to bridge the scale gap between conventional in-situ sensors and remote-sensing products in both, horizontal and vertical domains. In this study we explore the feasibility and potential of estimating water content in soils and snow with neutron detectors in moving trains. Theoretical considerations quantify the stochastic measurement uncertainty as a function of water content, altitude, resolution, and detector efficiency. Numerical experiments demonstrate that the sensitivity of measured water content is almost unperturbed by train materials. And finally three distinct real world experiments provide a proof of concept on short and long-range tracks. With our results a trans-regional observational soil moisture product becomes a realistic vision within the next years. |
领域 | 气候变化 |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/343036 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | M. Schrö,n,S. E. Oswald,等. Neutrons on Rails – trans-regional monitoring of soil moisture and snow water equivalent[J]. Geophysical Research Letters,2021. |
APA | M. Schrö.,n.,S. E. Oswald.,S. Zacharias.,M. Kasner.,...&S. Attinger.(2021).Neutrons on Rails – trans-regional monitoring of soil moisture and snow water equivalent.Geophysical Research Letters. |
MLA | M. Schrö,et al."Neutrons on Rails – trans-regional monitoring of soil moisture and snow water equivalent".Geophysical Research Letters (2021). |
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