What Is Petrichor And What Causes Them To Occur?
PETRICHOR – In this topic, we will now know and discuss the meaning of petrichor and what causes them to occur.
Meaning
Basically, it is the scent of first rain. Imagine the sky getting cloudy after a long hot week or month. You are outside and you know it is going to rain, and it did.
While it is raining, you begin to smell something sweet to a poit you starts to get poetic. The rain drops on fresh soil, which then emits a sweet smell. Yes, that’s pertichor.
So how does it happen?
Cause
There are two ways this scent to occur, according to ScienceABC:
- Bacteria
- The soil contains a bacteria called actinomycetes, which produces spores in the soil that is dry. When rain falls on the spores caused by the bacteria. The air, which is moist, carries the spores that we are able to smell.
- Plants
- There are plants and trees that emits oil that gets collected on soil and rocks. The rain causes the oil to be displaced in the air. We are able to smell the scent coming from the oil.
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