Back to basics: Measuring rainfall at sea: Part 1 – <i>In situ</i> sensors

Quartly, G.; Guymer, T. H.

doi:10.1256/00431650260283488

Cited by 15 publications

(11 citation statements)

References 14 publications

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“…Techniques are also being developed (Quartly et al, 2002) to sense rainfall at sea (on buoys) by analysing the sound-signature of the air bubbles produced by the impact of raindrops at the sea surface. These will need precise, direct, rain measurements from conventional gauges to allow their algorithms to be calibrated.…”

Section: Measuring Precipitation Over the Oceansmentioning

confidence: 99%

Improving precipitation measurement

Strangeways¹

2004

Intl Journal of Climatology

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Although rainfall has been measured for centuries scientifically and in isolated brief episodes over millennia for agriculture, it is still not measured adequately even today for climatology, water resources, and other precise applications. This paper outlines the history of raingauges, their errors, and describes the field testing over 3 years of a 'first guess' design for an aerodynamic rain collector proposed by Folland in 1988. Although shown to have aerodynamic advantage over a standard 5 gauge, the new rain collector was found to suffer from outsplash in heavy rain. To study this problem, and to derive general basic design rules for aerodynamic gauges, its performance was investigated in turbulent, real-world conditions rather than in the controlled and simplified environment of a wind tunnel or mathematical model as in the past. To do this, video records were made using thread tracers to indicate the path of the wind, giving new insight into the complex flow of natural wind around and within raingauges. A new design resulted, and 2 years of field testing have shown that the new gauge has good aerodynamic and evaporative characteristics and minimal outsplash, offering the potential for improved precipitation measurement.

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Section: Measuring Precipitation Over the Oceansmentioning

confidence: 99%

Improving precipitation measurement

Strangeways¹

2004

Intl Journal of Climatology

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“…Measurement of rainfall at sea is problematic: platform motion and flow distortion around the platform can affect surface-based sensors such as in situ gauges, tipping buckets, and disdrometers (Quartly et al, 2002). In addition, research vessels and other manned platforms that support rain sensors generally do not stay on station long enough to monitor rainfall trends longer than several weeks, making it difficult to observe variability over interannual, seasonal, or monthly times scales.…”

mentioning

confidence: 99%

Regional Rainfall Measurements Using the Passive Aquatic Listener During the SPURS Field Campaign

Yang¹,

Riser²,

Nystuen³

et al. 2015

oceanog

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“…Only gauges on islands give us any idea of precipitation from the past over the 71% of the globe covered by sea. A new method being developed for use on buoys (Quartly et al, 2002) analyses the sound-signature of the air bubbles produced by the impact of raindrops. Its indirectness, however, means it will not be highly precise.…”

Section: Rain Gauges Over the Seamentioning

confidence: 99%

A history of rain gauges

Strangeways

2010

Weather

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Back to basics: Measuring rainfall at sea: Part 1 – In situ sensors

Cited by 15 publications

References 14 publications

Improving precipitation measurement

Improving precipitation measurement

Regional Rainfall Measurements Using the Passive Aquatic Listener During the SPURS Field Campaign

A history of rain gauges

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