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Estimating snow water equivalent using cosmic‐ray neutron sensors from the COSMOS‐UK network

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Estimating snow water equivalent using cosmic‐ray neutron sensors from the COSMOS‐UK network. / Wallbank, John R.; Cole, Steven J.; Moore, Robert J. et al.
In: Hydrological Processes, Vol. 35, No. 5, e14048, 31.05.2021.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Wallbank, JR, Cole, SJ, Moore, RJ, Anderson, SR & Mellor, EJ 2021, 'Estimating snow water equivalent using cosmic‐ray neutron sensors from the COSMOS‐UK network', Hydrological Processes, vol. 35, no. 5, e14048. https://doi.org/10.1002/hyp.14048

APA

Wallbank, J. R., Cole, S. J., Moore, R. J., Anderson, S. R., & Mellor, E. J. (2021). Estimating snow water equivalent using cosmic‐ray neutron sensors from the COSMOS‐UK network. Hydrological Processes, 35(5), Article e14048. https://doi.org/10.1002/hyp.14048

Vancouver

Wallbank JR, Cole SJ, Moore RJ, Anderson SR, Mellor EJ. Estimating snow water equivalent using cosmic‐ray neutron sensors from the COSMOS‐UK network. Hydrological Processes. 2021 May 31;35(5):e14048. Epub 2021 May 21. doi: 10.1002/hyp.14048

Author

Wallbank, John R. ; Cole, Steven J. ; Moore, Robert J. et al. / Estimating snow water equivalent using cosmic‐ray neutron sensors from the COSMOS‐UK network. In: Hydrological Processes. 2021 ; Vol. 35, No. 5.

Bibtex

@article{3aed474cc050476d85cec84486a3ba57,
title = "Estimating snow water equivalent using cosmic‐ray neutron sensors from the COSMOS‐UK network",
abstract = "The intensity of cosmic ray neutrons is inversely correlated with the amount of water present in the surrounding environment. This effect is already employed by around 50 neutron sensors in the COSMOS-UK network to provide daily estimates of soil moisture across the UK. Here, these same sensors are used to automatically provide estimates of snow water equivalent (SWE). Lying snow is typically ephemeral and of shallow depth for most parts of the UK. Moreover, soil moisture is usually high and variable, which acts to increase uncertainties in the SWE estimate. Nevertheless, even under such challenging conditions, both above ground and buried cosmic ray neutron sensors are still able to produce potentially useful SWE estimates. Triple collocation analysis suggests typical uncertainties of less than around 4 mm under UK snow conditions.",
keywords = "cosmic ray, COSMOS, hydrology, neutron, snow water equivalent",
author = "Wallbank, {John R.} and Cole, {Steven J.} and Moore, {Robert J.} and Anderson, {Seonaid R.} and Mellor, {Edward J.}",
year = "2021",
month = may,
day = "31",
doi = "10.1002/hyp.14048",
language = "English",
volume = "35",
journal = "Hydrological Processes",
issn = "0885-6087",
publisher = "John Wiley and Sons Ltd",
number = "5",

}

RIS

TY - JOUR

T1 - Estimating snow water equivalent using cosmic‐ray neutron sensors from the COSMOS‐UK network

AU - Wallbank, John R.

AU - Cole, Steven J.

AU - Moore, Robert J.

AU - Anderson, Seonaid R.

AU - Mellor, Edward J.

PY - 2021/5/31

Y1 - 2021/5/31

N2 - The intensity of cosmic ray neutrons is inversely correlated with the amount of water present in the surrounding environment. This effect is already employed by around 50 neutron sensors in the COSMOS-UK network to provide daily estimates of soil moisture across the UK. Here, these same sensors are used to automatically provide estimates of snow water equivalent (SWE). Lying snow is typically ephemeral and of shallow depth for most parts of the UK. Moreover, soil moisture is usually high and variable, which acts to increase uncertainties in the SWE estimate. Nevertheless, even under such challenging conditions, both above ground and buried cosmic ray neutron sensors are still able to produce potentially useful SWE estimates. Triple collocation analysis suggests typical uncertainties of less than around 4 mm under UK snow conditions.

AB - The intensity of cosmic ray neutrons is inversely correlated with the amount of water present in the surrounding environment. This effect is already employed by around 50 neutron sensors in the COSMOS-UK network to provide daily estimates of soil moisture across the UK. Here, these same sensors are used to automatically provide estimates of snow water equivalent (SWE). Lying snow is typically ephemeral and of shallow depth for most parts of the UK. Moreover, soil moisture is usually high and variable, which acts to increase uncertainties in the SWE estimate. Nevertheless, even under such challenging conditions, both above ground and buried cosmic ray neutron sensors are still able to produce potentially useful SWE estimates. Triple collocation analysis suggests typical uncertainties of less than around 4 mm under UK snow conditions.

KW - cosmic ray

KW - COSMOS

KW - hydrology

KW - neutron

KW - snow water equivalent

U2 - 10.1002/hyp.14048

DO - 10.1002/hyp.14048

M3 - Journal article

VL - 35

JO - Hydrological Processes

JF - Hydrological Processes

SN - 0885-6087

IS - 5

M1 - e14048

ER -