[va-richmond-general] Re: Pocahontas State Park
- From: Botnizn@xxxxxxx
- To: va-richmond-general@xxxxxxxxxxxxx
- Date: Sun, 4 Jan 2004 20:16:53 EST
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I kayaked the entire lake and the feeder streams today and the lake is on
average only 1 foot deep (varies from 4 feet to 8 inches deep). this is
shallower than in past years. Rapid succession due to thick pond vegetation
which
decays each fall and ultimately fills in the already shallow pond. (observe
the
large patches of the alien invasive Parrot's Feather along the western shore)
While this is a contributing factor to the rise of the mudflats, I really
believe that soil deposition from upstream is the major factor.
Walk upstream and observe the large volumes of sand deposition all along
third branch creek (& many other creeks in Chesterfield County). Two major
high
water events in 2003 (memorial day & Lizzy) coupled with a very rainy year have
likely contributed to the rise of the mudflats you have observed.
Large areas of impervious surfaces (pavement), storm drains & runoff result
in large volumes of soil and sand deposition in Falling Creek, Swift Creek,
Third Branch, etc. etc. Water quality in Chesterfield is closely linked with
storm water management. As we grapple with growth and development issues,
especially along the 360 corridor, responsible runoff management will become
increasingly important.
Kristi Orcutt
Chief Naturalist, Pocahontas State Park
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