Rain Gauges

Rain Gauges
Here is an article which would throw some light upon the working and types of Rain Gauges."I'm singing in the rain, just singing in the rain; What a wonderful feeling, I'm happy again."- Arthur Freed

Raindrops bring something or the other for everybody- for some it brings the bubbling excitement of drenching themselves in the cool water while coming back from school, for some it brings the perception of warmth beside the fire in the cozy interior and a sip of the hot tea, for some it brings nostalgia of the lost beloved, for some it brings a new hope, for some it is a malicious way of God to add to their worries and for some special few it is time to measure the amount of "precipitation". I am sure you must have guessed who these special few are - Yes they are the meteorologists and farmers who need to measure rainfall and to do that they use rain gauges. You might be wondering what these rain gauges are which determine the amount of rainfall of the entire season. Here we would discuss about the same.

Rain gauge: Definition and Description

As stated above amateur and professional meteorologists and hydrologists use a rain gauge to measure the amount to rainfall in a span of time. Rain gauge is also known as pluviometer or cup or udometer. Rain gauge measures rainfall in millimeters but represents it in inches at times. There are various kinds of rain gauges, which are as simple as a funnel and tube arrangement and as complex as a measuring cylinder attached to a computer gauge. So here we would also discuss the types of rain gauges that can be used and the limitations of a rain gauge.

Rain Gauges: Types and Working

Rain Gauges are of various types and the type, which is installed, is determined by the individual requirement. Here we would discuss some of the most common types of rain gauges and the way they work. Decorative rain gauges are also available which one can get and install it in their gardens.

Tipping Bucket Rain Gauge- This kind can assure if rainfall was heavy, moderate or light. This arrangement has a funnel through which the rainwater enters and pours into a bucket, which tips after considerable amount of water is collected in the bucket. Now when the bucket tips, it activates the gauge by switching on a magnetic reed switch. Thus a complete electrical circuit is created after regular intervals which gives us the measure of rainfall within that particular time span. Tipping bucket train Gauges are also available in simpler forms wherein there is a see saw arrangement and every time the bucket tips there is a marker pen that marks the water level on a graph.

Standard Rain Gauge- This rain gauge has a funnel that is attached to a measuring cylinder, which is graduated, and there is also a large container, which is definitely for the extra water to be collected, thus also taking into account the water, which has overflowed from the graduated measuring cylinder. This measuring gauge gives better precision than a the Tipping Bucket rain gauge.

There are other kinds of rain gauges like the Optical rain gauge and Weighing Precipitation gauge but then the latter can be used to measure all kinds of precipitation. The former uses a much more sophisticated form of measuring like a laser diode and phototransistor detector wherein the dispersion of light is used as a basic concept. There are decorative rain gauges as well like a Frog garden stake rain gauge or a Hummingbird garden stake rain gauge, which are beautiful to look at, and also go with the garden atmosphere.

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