{Tidal Potomac Fly Rodders} Re: Thoughts on stream gauge and educate me

Oh, I meant to say -- check the readings before and after it rains and you'll think you're looking at completely different rivers ;).

Gene

On Wednesday, July 17, 2013 3:51:21 PM UTC-4, TurbineBlade wrote:

I used to work for DDOE -- here is the real-time water quality units on the Potomac and Anacostia -- http://www.ysieconet.com/public/WebUI/Default.aspx?hidCustomerID=167

The one over the Benning road bridge always gets clogged with debris and scuds -- usually when it goes off-line and you take the boat out to check on it, you can expect to knock hundreds of scuds and sometimes some sticks and trash out of the unit.  

The Potomac one usually has fewer problems since the river is larger and is less likely to get fouled up.  

Gene

On Wednesday, July 17, 2013 3:48:31 PM UTC-4, TurbineBlade wrote:

Rain often has a very large impact on water temp, and also other parameters as well (turbidity is an obvious one in this region, but it can also affect pH, conductivity, etc.  Actually, in the winter in DC, snowmelt and/or rain/sleet usually jacks the conductivity trememdously because of all the salt applied to the roads.  It's insane how high the cond. gets on some of the small streams due to this.  

Gene

On Wednesday, July 17, 2013 3:35:06 PM UTC-4, Nedak wrote:

Went to Lock 10 w. Mauro (fellow TPFRer) yesterday and we found the river to be high and muddy.  He referred me to stream gauge for the Potomac for future reference.

http://waterdata.usgs.gov/md/nwis/uv?01646500

Note the dramatic temperature decrease July 11-12 almost 10 degrees.

Per http://www.nws.noaa.gov/climate/index.php?wfo=lwx
we did get 1.3 inches of rain at National so I figure its the rain. 

Can someone confirm or educate me on correlation?

Thanks.

--
http://www.tpfr.org
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