Tag Archives: Hudson River

By Johna Till Johnson
Photos by Vladimir Brezina

As the season descends into Winter, we figured it would be good to post a long-overdue writeup of a trip that we took during the magical boundary between Summer and Autumn—a trip up the Hudson River in October 2013. 

In mathematics, a boundary condition is a constraint imposed on the solution of an equation. By imposing boundary conditions, you focus on a specific subset of solutions, rather than all solutions.

In ecology, there’s also the concept of a boundary—in this case, the transition from one habitat to another. Boundary conditions are then conditions at the habitat boundary. And as a tidal estuary, the lower Hudson River itself is a permanent habitat boundary, since it’s the interface between salt water and fresh, between the ocean and the rivers and streams that feed it.

The two meanings are different, but what they have in common is the notion of focusing on a particular part of the cosmos, one embodying flux, change, and intermingling of diverse forces.

That’s what we did one day this Fall when we drove north for an extended weekend of kayak-camping on the Hudson River, at our favorite spot, the Hudson River Islands State Park, about 20 miles south of Albany.

For this excursion, we’d joined forces with Alex and Jean, fellow paddlers and fellow bloggers at 2Geeks@3Knots, who drove up from New Rochelle. And we were hoping to meet up with Mike and Julie, paddlers from Albany with whom we’d shared a lively correspondence over the past year but had never met. And also, with luck, with our friend David, who lives both in NYC and upstate, and was planning to be on the river up there that weekend.

All of us from different habitats, in other words, but with our common boundary—the Hudson River.

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