Comparison of Four Instruments for Measuring Solid Precipitation Below the Freezing Point Condition

Satoshi Inoue; Tomoyoshi Hirota; Yukiyoshi Iwata; Manabu Nemoto; Kazuyoshi Suzuki

doi:10.2480/agrmet.65.1.3

Comparison of Four Instruments for Measuring Solid Precipitation Below the Freezing Point Condition

Satoshi Inoue, Tomoyoshi Hirota, Yukiyoshi Iwata, Manabu Nemoto, Kazuyoshi Suzuki

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

1 Citation (Scopus)

Abstract

A comparative observation of solid precipitation was carried out at conditions below freezing point during the winter of 2005-2006 by using four instruments, including non-collecting measurement instruments. Based on a comparison with the measured increment of snow water equivalent data, data corrected for the catch ratio from a Japanese standard precipitation gauge (RT-4), measured data from a non-collecting sensor using a laser beam (PWD11) and a totalizer using a load sensor (T-200B) accurately determined the amount of solid precipitation. The measured T-200B data fluctuated during the period of non-precipitation. Positive results of consecutive time were obtained from the measured PWD11 and T-200B data. Data collected in this study from a non-collecting sensor using microwaves (R2S) were unstable or underestimated the amount of precipitation.

Original language	English
Pages (from-to)	77-82
Number of pages	6
Journal	journal of agricultural meteorology
Volume	65
Issue number	1
DOIs	https://doi.org/10.2480/agrmet.65.1.3
Publication status	Published - Jan 1 2009
Externally published	Yes

All Science Journal Classification (ASJC) codes

Agronomy and Crop Science
Atmospheric Science

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10.2480/agrmet.65.1.3

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abstract = "A comparative observation of solid precipitation was carried out at conditions below freezing point during the winter of 2005-2006 by using four instruments, including non-collecting measurement instruments. Based on a comparison with the measured increment of snow water equivalent data, data corrected for the catch ratio from a Japanese standard precipitation gauge (RT-4), measured data from a non-collecting sensor using a laser beam (PWD11) and a totalizer using a load sensor (T-200B) accurately determined the amount of solid precipitation. The measured T-200B data fluctuated during the period of non-precipitation. Positive results of consecutive time were obtained from the measured PWD11 and T-200B data. Data collected in this study from a non-collecting sensor using microwaves (R2S) were unstable or underestimated the amount of precipitation.",

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AU - Inoue, Satoshi

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AU - Suzuki, Kazuyoshi

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AB - A comparative observation of solid precipitation was carried out at conditions below freezing point during the winter of 2005-2006 by using four instruments, including non-collecting measurement instruments. Based on a comparison with the measured increment of snow water equivalent data, data corrected for the catch ratio from a Japanese standard precipitation gauge (RT-4), measured data from a non-collecting sensor using a laser beam (PWD11) and a totalizer using a load sensor (T-200B) accurately determined the amount of solid precipitation. The measured T-200B data fluctuated during the period of non-precipitation. Positive results of consecutive time were obtained from the measured PWD11 and T-200B data. Data collected in this study from a non-collecting sensor using microwaves (R2S) were unstable or underestimated the amount of precipitation.

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Comparison of Four Instruments for Measuring Solid Precipitation Below the Freezing Point Condition

Abstract

All Science Journal Classification (ASJC) codes

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