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The Wind in The Trees, or Learning to Speak Pine

August 8, 2020 by Paul Hetzler 4 Comments

Group of white pine trees courtesy US Fish and Wildlife ServiceThe term psithurism (sith-er-ism) doesn’t exactly roll off the tongue, but it’s not meant to. The word, from the Greek psithuros (whispering), indicates the melody that rolls off pine needles in a gentle wind.  It also means the sound of “proper” leaves shaking in the treetops.

Obviously, we need another word, because these two things – whispering pines and rustling leaves – may both soothe us, but they sound quite different.

In the little place in the Gatineau Hills where my wife and I live, we’re lucky the house is shielded on the west by an unusually large and spreading yellow birch. One breezy morning when the windows were open, she remarked how different the birch sounded in the wind compared to the sugar maple, which is on the other side of the house. It was clear she was right: the birch had a much softer tone than the maple. I laughed that a city girl should make an observation that a longtime arborist had not.

In my defense, the matter of arboricultural acoustics had not escaped me entirely. The sound of a breeze passing through a poplar grove is unique. Everyone who’s had the pleasure of hearing this will probably have their own depiction, but I liken it to very distant applause, or the imagined noise of a thousand dragonflies passing overhead as their gossamer wings touch one another.

My curiosity piqued, I then searched in vain for some kind of catalog which described the sound of wind in trees, listed by species. Evidently, no one seems to have been sufficiently bored or compulsive (or both) to undertake such a project as yet.

Some other interesting things came up, however, including a poem written by Henry Wadsworth Longfellow called “A Day of Sunshine.” In part it reads:

“I hear the wind among the trees
Playing celestial symphonies;
I see the branches downward bent,
Like keys of some great instrument.”

Too bad Longfellow did not mention what species to which he was listening, because he must have been around some especially loud trees to prompt a comparison to a symphony.

Later I stumbled upon a beautiful passage written by a 12th century Chinese scholar named Liu Chi. Of course I would’ve had no idea what it said, but luckily it was a translation. Here is an excerpt from Liu Chi’s love letter to pine psithurism:

“Among plants and trees, those with large leaves have a muffled sound; those with dry leaves have a sorrowful sound; those with frail leaves have a weak and unmelodic sound. For this reason, nothing is better suited to wind than the pine.

Listening to it can relieve anxiety and humiliation, wash away confusion and impurity, expand the spirit and lighten the heart, make one feel peaceful and contemplative, cause one to wander free and easy through the skies and travel along with the force of Creation.”

Wow – if that doesn’t make you want to run right out and sit in a pine grove, nothing will. Not only do trees wash away our confusion as they whisper to us, they also quiet our voices. And the din from our motor vehicles. Many people notice how much farther sound seems to travel in the fall after all the leaves are off. Vegetation helps dampen sound, so urban planners and engineers try to incorporate noise barriers in the form of trees in order to make their cities more livable.

A buffer which is between 50 and 100 feet wide and densely planted in trees will reduce noise by as much as 8 decibels. When the same size tree buffer is atop a twelve-foot tall berm, noise falls off between 10 and 15 decibels. This may not seem like much, but it can make the difference between ambient noise that has long-term harmful consequences and noise that is safe to live with.

Species and size make a difference as well. Deciduous trees are most effective, but tree barriers usually comprise conifer species so the benefit is year-round. Also, younger trees are better at dampening sound than mature ones. Barrier effectiveness increases until trees are about 40 feet tall, after which their benefit declines. For this reason, understory species as well as shrub borders on barrier edges are important. Hopefully the wind in these buffer-strip pines can still be heard at times.

I urge everyone to get out as soon as possible to “relieve anxiety and humiliation, wash away confusion and impurity, expand the spirit and lighten the heart” by listening to breeze-tossed pines. Also, please help think of a companion word to psithurism that we can apply strictly to deciduous trees. Rustling ain’t whispering.

Photo of Group of white pine trees courtesy US Fish and Wildlife Service.

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Filed Under: Adirondacks & NNY, Arts, Capital-Saratoga, Hudson Valley - Catskills, Mohawk Valley, Nature, New York City, Western NY Tagged With: nature, trees, Wildlife

Reader Interactions

Comments

  1. Edythe Ann Quinn says

    August 9, 2020 at 2:55 PM

    Paul, Thank you for an evocative essay. These last two days, as I walk around the land surrounding my farmhouse here in upstate New York, I am listening and pondering. What sounds do I associate with my trees?
    Under two aspens by my pond I have a low bench on which I sit and enjoy the breeze through the quivering leaves of these trees. That is how I think of their sound, more an action than a sound; though in response to your questions, I would call their sound tinkling, like the breeze through fragile, seashell chimes. Soothing. But when the breeze quickens and the leaves rustle, hurrying to keep up, I realize it is time to get up and get something done.

    In the early evenings I often sit in a small grove of pines, to me a magical and serene place though it is quite close to road noise. In fact, drivers can probably see me sitting there, though I am rarely conscious of the occasional traffic. I have meditated there, frequently journaled, accompanied by a glass of wine. What makes the place so special, what sound is soothing me? Like you, I struggle to name the sound of the breeze through the pine needles. In fact, I don’t think of it as an actual sound, but rather the suggestion of a sound that can attune itself to my mood. A murmur. perhaps Most often, a stirring to pay attention, not to the pines themselves, but to the whole scene with the bunny nibbling on clover and the drifting scent of milkweed, and especially to pay attention to myself, to my place in this moment, my thoughts and feelings, moving past the news, deeper to where murmurs and stirrings originate.

    Thank you for your insights and your reminder to us to listen, to pay attention.
    Edythe Ann Quinn, Ph.D., “Edie”

    Reply
  2. Lee says

    March 20, 2021 at 7:30 AM

    Camping in sleeping bags around the fire on Boxing Day 1:AM 1969, the wolves howled from across the lake in the cold still of a snowless stand of pines. When up came the wind bone-whistling, branch-creaking like violins tweaking, speaking Whoosh swoosh whiiishh aaahh as in phosphoric fizz. Then the winds came down around the ground and the trunks too groaned in the bone. The wind made them bend like reeds and into them breathed the true drone of the bagpipes. A wild and frantic tune-up of the wood-winds settled with the Wind itself, into an arboreal Celtic Cathedral playing The Chant of the Pines.

    Reply
    • Suzanne M Walsh says

      March 25, 2021 at 10:35 AM

      That’s really nice, Lee…that describes a little how I’ve always heard, felt and seen the wind in the trees, accompanied gloriously with their distinct fragrances.

      And thank you Paul Hetzler–and especially kudos to Paul Hetzler’s wife for initiating the spark of this psithuristic article.

      Reply
  3. Claudia Siefer says

    February 6, 2022 at 8:36 PM

    “younger trees are better at dampening sound than mature ones” I very much enjoyed this informative read. I’m fond of aspen, quaking aspen to be specific. I wonder if the verb “damping” isn’t correct in the above sentence?

    Reply

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