Archive for Uncategorized

#115 South Fork Rivanna Reservoir Stores Our Dirt, Too

December 11, 2008

There’s a lot of different ways to look at our diminishing resources — running out of clean water, clean air, and …. good dirt?  We might do well to look past the problem of the South Fork Rivanna Reservoir filling up with dirt — and try to understand the causes of — and consequences of losing dirt from the landscapes upstream.

 
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This show originally aired on December 11, 2008  on “The Rivanna Rambler,” a weekly public affairs show airing every Thursday at 11:55 a.m. on WTJU 91.1 FM or wtju.net.

There is slow steady winter rain that’s keeping temperatures hovering around forty degrees and the skies dark with winter gloom.  But the rain is good — for our groundwater, for our reservoirs, and it is good for the plants and animals that need this most essential resource to survive.  This rain is also filling our rivers – and I would wager – sending a good amount of water into the South Fork Rivanna Reservoir, along with a healthy amount of dirt.

Now, that dirt is slowly but surely filling the reservoir – each year, decreasing its capacity from 1 to 5 per cent since it was completed in 1969.  In another example of our human short-sightedness, like many public works installations of the era, the design life of this reservoir was only fifty years, at which time the reservoir would be filled to over 50% of its capacity.

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#96 Allegheny Highlands

July 24, 2008
The Calfpasture, Cowpasture, and Bullpasture Rivers in the Alleghany Highlands provide relieve from summer heat and humidity of the Virginia Piedmont.
 This show originally aired in July 19, 2007 and then again on July 24, 2008 on “The Rivanna Rambler,” a weekly public affairs show airing every Thursday at 11:55 a.m. on WTJU 91.1 FM or wtju.net

 
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It is 8 am and the temperature is 78 degrees. With the mercury set to climb towards 100 and the relative humidity chasing after it, I have decided that I, too, will climb, escaping to the hills and a change of climate.  My friend Alyson and I set a course towards the western mountains, the Alleghany highlands in that corner hump of Virginia where it shares its boundary with West Virginia.  We’re headed to that block of the Virginia Gazetteer, where Maps 64 and 65 spread open across the page reveal the topographic marvel of the ridge and valley contours of this region.

We take Route 250 out of Staunton towards Whites Store follwing Jennings Branch, tributary of the Middle River which bisects the Valley as it heads towards its confluence with the South Fork of the Shenandoah and on to the Potomac River.   Though it is imperceptible to my eye, something does shift here.  Somewhere between Chestnut Oak Knob to the north and Crawford Mountain to the south of 250, we descend ever so slightly into the valley of the Calfpasture River crossing it in the hamlet of West Augusta.  Starting here,

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#94 Rerun of Show #92: Love Them Bugs


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#90 Water Supply Plan (repeat show # 88)


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The 2007 Rivanna River Clean-up starts at 10 a.m on Saturday, August 25. The rain date will be on Sunday, August 26. Contact Garnett Mellen at 975-0224 or garnett.mellen@vaswcd.org to volunteer on the ground. Contact Phyllis White at 984-5678 or 242-5893 or phyllisdj@hotmail.com to volunteer by boat. The event is hosted by the Thomas Jefferson Soil and Water Conservation District and the Rivanna Conservation Society.

“The Rivanna Rambler” airs weekly from 11:55 am-noon on WTJU 91.1 and is produced and recorded by Leslie Middleton. This episode (#55) originally aired on August 23, 2007.

To hear this podcast, click here.

Rivanna River Cleanup

As I prepared to leave the house this morning, I heard the rough scrape of shovels against the pavement as the City Public Works crew got to work cleaning our street after the welcome rain washed dirt and debris down the hill towards the storm drains in front of our house. Later in the morning, I returned to see shrubbery and weeds trimmed back from the curb to make way for the street cleaning apparatus. As I went back inside, I could hear the grind and swish of the sweeper. sucking the muck out of the gutters and away from the drains where it would go in the next downpour if not removed. And from the storm drains, it’s a short ride to the nearest tributary or stream, and then the Rivanna River. We often think of stormwater carrying sediment and yard and street chemicals to our waterways – but there’s plenty of trash and garbage that also comes along for the ride.


I have to admit that it takes a certain kind of mindset to keep one’s attention on matters of trash and litter. The refuse of our lives is, by definition, that which we refuse. That which we no longer want or need. And that which we would just as soon have out of sight and out of mind. This includes the woody debris that collects on my street fallen from trees overhead as well as the plastic bottles and bags, fast food wrappers, and other miscellaneous items that settle on the landscape. Many of us have the benefit of city or county services that help with the removal of this solid waste. The river, however, does not — and the accumulation of litter along our waterways and byways is the most visible form of pollution most of us encounter in our everyday lives. And we’ve come a long way in understanding its effects since the 1950’s when the litterbug became part of the national lexicon. Back then, it was all about civic pride and community aesthetics, and even today, millions of dollars are spent annually in the pursuit of clean parks, beaches, and roads. But after over fifty years of living in the plastics generation, we also know that much of the litter we see today does not degrade; that it can pose hazards to wildlife; and it can contain or be composed of chemicals whose slow release adds to the toxic load into our groundwater and rivers. With the advent of ever finer tools of measurement, we have learned that micro particles that result from the slow degradation of manufactured and raw source plastics — are ingested by the tiniest of organisms – zooplankton – and through the food chain, make their way into the very tissues of fish, birds, and marine mammals. It’s easy to become overwhelmed in the face of the vastness of the problem. But we have an opportunity this coming weekend to pitch in and help. The 2007 Rivanna River Clean-up is happening this Saturday, August 25. The Cleanup will bring teams of helpers, young and old, by boat and on foot, to select places on the Rivanna that are in need of a clean sweep. The event is being hosted jointly by the Rivanna Conservation Society and the Thomas Jefferson Soil and Water Conservation District and starts at 10 a.m. at various sites, including Reas Ford Road, Riverview Park, and the boat landings at Milton and Palmyra. The Rivanna River Clean-up is part of a Virginia-wide network of events coordinated by Clean VA Waterways, the Virginia program aligned with the International Coastal Cleanup which has hosting mid-September beach cleaning events since 1986. This long-standing program has yielded not only a whole lot of trash, but a whole lot of information about trash and our habits of disposal. Like the Rivanna clean-up this Saturday, hundreds of events from late August through October coordinate teams from schools, churches, community organizations, families, and businesses in the task of cleaning up after ourselves and our neighbors in and along the waterways. Participating in a river or beach clean-up is immensely satisfying – the results are immediate and visible. And it gets us thinking about our own habits of consumption and disposal. This is the beauty and importance of these volunteer clean-up efforts. I’m glad the City of Charlottesville works to keep the debris of stormwater from entering our river. But those plastic bags draped in tree limbs along the river and the soda bottles poking out from weeds on muddy banks have become litter, and thus belong to no one and to everyone. Drawing from another 50s slogan, let’s keep the Rivanna beautiful, and clean.

© 2007 Leslie Middleton

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