Plugged In to the Outer Cape

by Jill Schneiderman, guest contributor

WellfleetSand dunes at Wellfleet. (photo: Joshua Bousel/Flickr, cc by-nc-sa 2.0)

“If you don’t teach your children to be alone, they’ll only always know how to be lonely.”
Sherry Turkle, from “Alive Enough? Reflections on Our Technology”

The founder of MIT’s Initiative on Technology and Self made this remark in the context of describing the awe she feels when she walks among the magnificent dunes near Provincetown, Massachusetts. I know well those sand dunes and the extensive tidal mudflats that mark the tip of the Cape.

Dr. Turkle thinks of these places as sacred spaces, and I agree. I take my earth science students there to witness the work of wind, water, and sand. And, for a week or two each summer, I go with my children so we can experience the flow of the tides. These are indeed remarkable places in the landscape ripe with possibilities for self-realization.

I take my geology students to the dunes and mudflats of the Outer Cape so that they can experience the vast time scales and spaces of earth system processes.

Settling on the CoastA satellite view of Cape Cod. (photo courtesy of NASA)

The Cape itself, as some readers may know, owes its existence to the great ice sheets that extended as far south as Long Island during the late Pleistocene more than 10,000 years ago. The mud of the tidal flats and the sand of the dunes are the glacial debris, reworked and sorted by the wind and water long after the ice sheet retreated north.

Other reminders of the presence of the massive ice cover in the region are cliffs above the dune fields — the edge of the glacial moraine (a pile of boulders pushed along as the ice pushed south) — and freshwater ponds of neighboring Truro and Wellfleet (“kettle holes” formed when stadium-sized chunks of ice broke off the glacier, became engulfed by glacial sediment, and then melted). All of these features stretch for miles and remind me and all my geologically time-traveling companions that 18,000 years ago — a seemingly long time — this portion of the Earth was covered by a one mile-thick sheet of ice.

Eyes of the EarthWellfleet Bay Audubon Sanctuary. (photo: Susan Cole Kelly/Flickr, cc by-nc-sa 2.0)

Encountering this landscape cultivates in me, and I hope in my students, what Jewish scholar Abraham Joshua Heschel called “radical amazement.” For me, this is a soothing feeling of awe and connection. Walking in the dunes or across these mudflats puts me in touch with deep time — for the particles that compose them may themselves be millions of years old, silt and sand moved there merely thousands of years before.

Although we walk among them today, the particles have been through many cycles of existence. Formerly they were part of a mountainous land mass; subsequently they were eroded, transported, and deposited at least once. Each grain has an individual history. Collectively they tell a story that encompasses swaths of time that hold all of humanity. I find this reality comforting.

Provincetown MA 068The sands of Provincetown’s dunes. (photo: Leonarda DaSilva/Flickr, cc by-nc-nd 2.0)

Dr. Turkle worries helpfully about the inner effects of digital objects. Though she acknowledges the benefits of digital connection, Dr. Turkle laments what people lose as they take to the dunes and mudflats with their earphones in and handheld electronic devices on and open. To her mind, people lose the ability to feel at peace in their own company. I agree, but also would like to suggest that by unplugging from the electronic world in such sacred spaces we increase our capacity to encounter entities larger than ourselves — vast time scales, and past and ongoing earth processes. Thus we enhance our ability to connect with the earth system of which we are a powerful part, and this experience lessens loneliness.


Jill S. Schneiderman is Professor of Earth Science at Vassar College. She’s also the editor of and contributor to For the Rock Record: Geologists on Intelligent Design and The Earth Around Us: Maintaining a Livable Planet. She blogs at Shambhala SunSpace and Earth Dharma.

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