Re: {Tidal Potomac Fly Rodders} Re: Muddy river

Sure, but at least 2 of the 3  YSI units curently on the river get clogged with amphipods (scuds) and thus provide an instantaneous measure of scud abundance vs. clarity.  

I use Rob's "usually it'll take a week" measure for fishing after rain events and it seems an accurate as anything else to me ;).  

Gene

On Friday, August 15, 2014 9:07:49 AM UTC-4, Patrick Kearns wrote:

Turbidity is also an informative measure.  Here's a picture of some turbidity standards (hope this doesn't violate the commerical sites prohibition - just a picture of cloudy water in beakers - but if so, my apologies) for comparison.  Makes the last reading of 9.8 seem alright, especially if it keeps trending downwards.



On Thursday, August 14, 2014 11:49:52 AM UTC-4, Mike wrote:

USGS has added a lot of sensors at LF.  This 32295 CDOM, fluorescence, <5 ft from riverbed> may be the one to follow.

http://en.wikipedia.org/wiki/Colored_dissolved_organic_matter

On Thu, Aug 14, 2014 at 11:35 AM, Dalton Terrell <daltonb...@gmail.com> wrote:

The Little Falls Gauge now (I think this feature is new???) has a reading on turbidity, this needs to be near zero (<5) for the river to look clear. It's hard to say exactly when it will be in good shape, but I would guess it should definitely be fine by Saturday.

The canal was quite muddy yesterday but somewhat fishable.

Dalton

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