# PMEL names seasonal propagation as one possible cause of the seasonality.

> PMEL names seasonal propagation as one possible cause of the seasonality.

Source: https://mysteriesdept.com/mysteries/noaa-ocean-sounds/evidence/EVD0D9C7NTT0TJ2/pmel-names-seasonal-propagation-as-one-possible-cause-of-the  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Bloop and NOAA's unexplained ocean sounds](https://mysteriesdept.com/mysteries/noaa-ocean-sounds)Evidence

Evidence · Bloop and NOAA's unexplained ocean sounds

# PMEL names seasonal propagation as one possible cause of the seasonality.

PMEL names seasonal propagation as one possible cause of the seasonality.

Speculative0

## What it bears on 1 answer

[The source is steady and the seasonality is an artefact of seasonal changes in how sound travels from it.](https://mysteriesdept.com/mysteries/noaa-ocean-sounds/answers/ANS0D9C7NK03Z2B/the-source-is-steady-and-the-seasonality-is-an-artefact-of)

Still possible

FOR

## Cite it

```
Mysteries Department. (2026). PMEL names seasonal propagation as one possible cause of the seasonality. [Evidence EVD0D9C7NTT0TJ2]. https://mysteriesdept.com/r/EVD0D9C7NTT0TJ2
```

Key

**EVD** 0D9C7NTT0TJ2

Kind

Evidence

Tier

Speculative

Version

1

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