Author Topic: I heard that rainfall can be measured by ultrasound. Does anyone know?  (Read 629 times)

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Offline weatherstation1

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Offline Mattk

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Re: I heard that rainfall can be measured by ultrasound. Does anyone know?
« Reply #1 on: January 15, 2019, 04:42:57 AM »
Question As The Title!

Are you telling, suggesting or asking, what is your agenda regard this question?

Offline Mattk

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Re: I heard that rainfall can be measured by ultrasound. Does anyone know?
« Reply #2 on: January 15, 2019, 04:43:41 AM »
Yes  ;)

Offline raffaello.dimartino

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Re: I heard that rainfall can be measured by ultrasound. Does anyone know?
« Reply #3 on: January 15, 2019, 05:12:27 AM »
Yes you can use the ultrasound to measure the water level. If you have a simple manual raingauge and you measure the level with ultrasound, you can have the rain accumulation measured automatically.
If you have a system that automatically opens the gauge when the rain event finishes, then you have a self-empty, ultrasound rain gauge.
« Last Edit: January 15, 2019, 05:22:13 AM by raffaello.dimartino »

Offline DaleReid

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Re: I heard that rainfall can be measured by ultrasound. Does anyone know?
« Reply #4 on: January 15, 2019, 07:34:32 AM »
Look at Vaisala's WXT series of devices
ECWx.info
&
ECWx.info/t/index.php

Offline raffaello.dimartino

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Re: I heard that rainfall can be measured by ultrasound. Does anyone know?
« Reply #5 on: January 15, 2019, 07:38:43 AM »
Wxt series uses piezoelectric sensor.


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Offline SLOweather

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Re: I heard that rainfall can be measured by ultrasound. Does anyone know?
« Reply #6 on: January 15, 2019, 09:35:35 AM »
There are several search hits on this if you take the time to search.

Offline kbellis

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Re: I heard that rainfall can be measured by ultrasound. Does anyone know?
« Reply #7 on: January 15, 2019, 08:08:00 PM »
Performance of Emerging Technologies for Measuring Solid and Liquid Precipitation in Cold Climate as Compared to the Traditional Manual Gauges

Faisal S. BoudalaCloud Physics and Severe Weather Research Section, Environment and Climate Change Canada, Toronto, Ontario, Canada

One table from the article:
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Offline raffaello.dimartino

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Re: I heard that rainfall can be measured by ultrasound. Does anyone know?
« Reply #8 on: January 15, 2019, 10:49:35 PM »
And then? I cannot find in the article any mention about the use of the ultrasound sensor of the WXT to measure the rain.
I can see a comparison between two present weather sensors that use light emission.
I remember that there are studies on detecting the rain distribuiton with sodar system also called wind profilers.
https://patents.google.com/patent/US8264908

But it cannot measure the quantity of rain that will fall on the surface.


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« Last Edit: January 16, 2019, 01:02:29 AM by raffaello.dimartino »

Offline Mattk

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Re: I heard that rainfall can be measured by ultrasound. Does anyone know?
« Reply #9 on: January 15, 2019, 11:25:25 PM »
Really in most respects "Ultrasonic" is not really a rain detecting technology as ultrasonic is to say wind speed/direction etc. The equiv of wind/ultrasonic technology with rain is more into Doppler radar which is capable of measuring quantity, rate, size and can differentiate between rain, snow, sleet, hail etc, maintenance free, no moving parts   

Offline vreihen

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Re: I heard that rainfall can be measured by ultrasound. Does anyone know?
« Reply #10 on: January 16, 2019, 07:33:09 AM »
Maybe the OP is confusing ULTRAsound with plain old acoustic disdrometers?????
WU Gold Stars for everyone! :lol:

 

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