Magnitude of error factors in estimates of snow-particle masses from images

A. G. Detwiler; N. C. Knight; A. J. Heymsfield

doi:10.1175/1520-0450(1993)032<0804:MOEFIE>2.0.CO;2

Magnitude of error factors in estimates of snow-particle masses from images

A. G. Detwiler, N. C. Knight, A. J. Heymsfield

Dynamical and Physical Meteorology

South Dakota School of Mines & Technology

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Ice particles are captured, photographed, melted, and then photographed again. Mass is estimated from the size of the melted drop. Based on a sample of 640 particles, the standard error in estimating particle mass solely from the maximum dimension of the particle is found to be a factor of 4. The standard error in estimating mass concentration M in a cloud from a sample of n well-characterized particles recorded by an optical array probe is estimated to be approximately a factor of 10^0.6/√n. -Authors

Original language	English
Pages (from-to)	804-809
Number of pages	6
Journal	Journal of Applied Meteorology
Volume	32
Issue number	4
DOIs	https://doi.org/10.1175/1520-0450(1993)032<0804:MOEFIE>2.0.CO;2
State	Published - 1993

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10.1175/1520-0450(1993)032<0804:MOEFIE>2.0.CO;2

Cite this

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title = "Magnitude of error factors in estimates of snow-particle masses from images",

abstract = "Ice particles are captured, photographed, melted, and then photographed again. Mass is estimated from the size of the melted drop. Based on a sample of 640 particles, the standard error in estimating particle mass solely from the maximum dimension of the particle is found to be a factor of 4. The standard error in estimating mass concentration M in a cloud from a sample of n well-characterized particles recorded by an optical array probe is estimated to be approximately a factor of 100.6/√n. -Authors",

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AU - Knight, N. C.

AU - Heymsfield, A. J.

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N2 - Ice particles are captured, photographed, melted, and then photographed again. Mass is estimated from the size of the melted drop. Based on a sample of 640 particles, the standard error in estimating particle mass solely from the maximum dimension of the particle is found to be a factor of 4. The standard error in estimating mass concentration M in a cloud from a sample of n well-characterized particles recorded by an optical array probe is estimated to be approximately a factor of 100.6/√n. -Authors

AB - Ice particles are captured, photographed, melted, and then photographed again. Mass is estimated from the size of the melted drop. Based on a sample of 640 particles, the standard error in estimating particle mass solely from the maximum dimension of the particle is found to be a factor of 4. The standard error in estimating mass concentration M in a cloud from a sample of n well-characterized particles recorded by an optical array probe is estimated to be approximately a factor of 100.6/√n. -Authors

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SP - 804

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JO - Journal of Applied Meteorology

JF - Journal of Applied Meteorology

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ER -

Magnitude of error factors in estimates of snow-particle masses from images

Abstract

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