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Hello. 
This is Joe Wheaton,

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and we're going to start in
on this design module.

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Just getting off on the right foot.

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And that is,

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taking out of the planning phase,

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what we learned,

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and leading the design
with recovery potential from that.

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So we're here in module four
talking about design

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in the restoration process.

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We spent module three
working through the planning.

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Okay?

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and it's easy to just kind of 
jump in and, like, you know.

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You know, we're eager. 
Let's just —

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Let's get a design.

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Let's, let's make some structures.

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I'm just going to try 
and convince you of this,

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never to start a design without that.

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Critical context from the planning phase.

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Well, what context explicitly
are we talking about?

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Well, we're talking about
getting the conditions

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and the recovery potential.

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And remember that 
in the design phase,

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our alternatives, 
our design opportunities,

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is really defined by the gap
between condition and recovery potential.

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And, you know, we've got to make
this judgment call

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on how many treatments will
it take to get to that recovery potential.

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And then if you—
and once you get there,

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what's it going to take 
for it to become self-sustaining?

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Okay.

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Oh, that's interesting.
Not what I wanted.

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Okay.

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So coming right in, 
reminding yourself riverscapes principles.

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Reminding ourselves that 
streams need space.

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We're not going to start our design
without the valley bottom mapped.

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Okay.

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It's always important to remind yourself
that definition of a valley bottom,

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and a riverscape valley bottom,

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is the area of the landscape
that could plausibly flood,

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by their rivers and streams 
in the natural contemporary flow regime.

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The riverscape is just 
those valley bottoms

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throughout the entire drainage network.

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Okay.

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So this is, this is our...

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Our sort of mantra.

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So let's go back 
to what you guys did yesterday.

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In module three, 
you mapped the active channels,

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you mapped the fans.

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You did that to kind of back in
to what the valley bottom was, right?

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The rest of the space.

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And so you mapped these 
valley bottom margins,

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you mapped those fans.

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So, you knew what
protruded out into the valley,

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and you mapped the channel.

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So you get the confining margin.

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Look at the position, 
on the valley floor.

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so the green area
is roughly what you derived.

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Okay.

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That's your valley bottom area
that could plausibly flood

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in the contemporary natural flow regime.

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Your design opportunity,
as we said,

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Is defined by this gap
between condition recovery potential.

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And so,
what we talked about is,

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both Weber and I talked about this,

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is to get at least 
one expression of condition,

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one indicator of condition.

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We're going to split the valley bottom
that we have here in yellow into,

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these different, components,

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but they're actually tier one
geomorphic units

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in the fluvial taxonomy.

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So basically, active floodplain,
active channel, inactive floodplain.

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Okay, so,
we could do this for this whole thing.

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But, at this scale,
it's kind of hard to see,

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so we're going to zoom in.

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We're gonna zoom in here,
and we're going to.

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Take you to Pops.

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Pops's ranch.

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Okay.

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So just a reminder, 
we said condition can be expressed.

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by mapping the inactive portion 
of floodplains.

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And we have this example here okay.

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And so, I've faked 
hypothetical property boundaries.

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You know, it's kind of looking at,
some fence lines and some other stuff.

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So there you go.

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There's Pops's ranch.

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Okay, here's Pops's house.

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There's his barn.

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It's got a nice corral down here,
some outbuildings, etc.

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And so what I've done is
I've gone and just, you know,

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because I've zoomed in,
I can do a little nicer job.

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First thing I did was I mapped
the valley bottom.

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I stopped it right here,
right at the property line.

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And it goes all along, 
and notice here

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how I don't have the 
valley bottom Fall Creek mapped,

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but the valley bottom, 
just the valley bottom of Coburn Creek.

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And so this part that comes out,
I think some of you know what this.

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Is, it's really low angle,
so it might be a little deceiving.

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But this is the fan.

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It's the fan of Coburn Creek okay.

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Now it doesn't matter
that this isn't really active fan, right,

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necessarily, like active in the sense
that this building could still

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be kind of flooding a little bit.

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But this is what we're dealing with, okay?

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So this polygon is 146 acres.

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And, if you want to go zoom
around the map, you can.

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This is 82 acres.

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So this link is going 
to take you to this map,


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and these games that I played.

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So 82 acres of Coburn Creek valley bottom.

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That's kind of what we're dealing with.

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That's going to be 
our basis for normalization

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of everything that we report.

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Zoomed in here,
you can see that

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there is an area that's grazed.

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There's also a bunch of little 
relic channels and stuff in here.

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Not a relic, but like high stage channels,
I should say.

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There's actually some beaver dams, 
on the floodplain here.

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Oddly, over here
against the toe of this slope, too.

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And there's evidence of run out.

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If you zoom in, you will notice
that there is a canal.

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And that canal comes along here.

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And, I don't know if these are just, 
trailing, by cows,

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or if this is just kind of getting
this water over to here,

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And they just irrigate,
flood irrigate this meadow.

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But, that's some of the infrastructure.

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There's also a fence that comes along.

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You can basically make out 
the fence line all along there.

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All right.

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So, conditions,

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I mapped out the inactive
part of the floodplain.

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Just based off of objective evidence
of what it looked like was...

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what was flooding.

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Now, I used some vegetation indicators.

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I used what looked like evidence 
of flooding on this floodplain.

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You can see a little bit
when you zoom in on this.

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Is this perfect?
Eh.

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But I think it's reasonably defensible.

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What did I come up with?

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Well, I came up with when I mapped it,
traced out the active channel in blue,

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that's about four acres.

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So it's about five percent
of the valley bottom.

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I mapped the inactive portion,
that's 41.

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So, 41 plus four is 45.

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Subtract that from 82,
I get my 37 acres.

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So, the proportion of the valley bottom
that's active is 50 percent.

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and it puts us kind of 
dead smack in the middle here.

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Right in sort of a moderate condition.

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So remember we looked at this, right?

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So, you know, we're we're somewhere in,

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you know, something, along these lines,

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If we were to use the more expanded—
which I think is useful here—

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stream evolution model,

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it's probably in this 
laterally active condition,

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right, our geomorphic conditions,
it's laterally active.

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I say that,

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because the other candidate might be
Quasi equilibrium,

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or stage one sinuous single thread.

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If we go back,
there is this sinuous single thread,

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but if you start zooming in,

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this does have the feel of a channel
that's been pushed up

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against that valley bottom,

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our valley margin 
and valley bottom margin,

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and it just feels like it's
kicking everywhere it can.

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There's a lot of active bank erosion,
lateral widening,

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little hints in a few of these bends,

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tendencies to build 
mid-channel bars and islands.

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But just not multi-Threaded, yet.

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It's, so I think it's laterally active, 
is the right call.

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Remember, we said the answer, 
you know, is recovery potential,

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to this question of,
how much is in play for restoration?

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We're going to map that with pink okay,

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So recall,
we have this valley bottom land use,

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And notice how what we mapped
is not a million miles off.

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What I was just showing you
for the inactive versus active right.

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These are reasonably close.

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Not bad considering we're doing it
off of a pretty coarse resolution.

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Well, we asked Pops about
recovery potential.

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Okay, so remember,
recovery potential is the valley bottom,

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minus what the landowner
or the land manager is willing to accept.

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This is an interesting exercise
with good old Pops.

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By the way, there is 
no such thing as Pops.

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I just made this guy up.

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Coming into this,
the yellow area with 50%,

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that qualifies as active,
50% qualifies as inactive.

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Okay, so the active is
the active floodplain and active channel.

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Notice where pops put the pink line.

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Okay. Tracks right here.
Pretty good. Pretty good.

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Then there's this,
These real straight lines. Why?

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Well, that's where his fences are.

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Notice the fence goes right
across this active, meander bend

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that's laterally eroded
into the fence, it's gone.

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There's another spot.

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Here, where the road, 
or a little trail, is gone.

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So in this space right here,

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Pops isn't really admitting 
that it's active,

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He doesn't really see it as that,
and that kind of makes sense.

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He doesn't have his cows
out here in the winter.

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And his cows use this in the spring,
and as a summer pasture.

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He's actually pushing them up
to higher ground in the summer.

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So it's really kind of 
the spring and the fall,

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and then the cows 
are taken somewhere else.

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I'm making that up, too.

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But this is an interesting sort of gap because,
what he's saying is that,

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what he's saying is that you
could have 35% of this

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for the river to,
you know, do better with.

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So the uplift, 
if we use this indicator,

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or we were to use proportion active
as an indicator of overall health,

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there's actually no uplift, right?
So what do we do in a situation like that?

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Well, one conclusion is,
if the reason you have funding,

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if the reason you're interested in this,

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You really do care about 
increasing the amount of valley bottom

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that could be active,

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maybe this isn't the right project.

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What he's come up with is logical.
It's following the fence line.

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We can dig in a little deeper here.

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So how do you feel, Pops, about
channel change and floodplain reconnection?

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Well, he's able to give the stream
some space to adjust

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and push into the valley bottom,
but not all of it. Okay?

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Yeah, there's beaver there.

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He's got no problem with them.
They're kind of interesting.

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So he's willing to allow that. Yeah.

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And he's fine to deal 
with adaptive management.

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So. Okay,
I mean maybe,

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Maybe there's still some room
to talk about this.

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Maybe, a better indicator might be,

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instead of one relating to
riverscape principle one,

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streams need space,

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maybe for this project with Pops,
a better indicator might be

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the proportion of the valley bottom,
or the inundation extent at low flow.

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Right.

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So if we were to look at this, this reach,

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this is actually a high flow 
that we're looking at,

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sort of a bankful flow.

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And if we were to look at it,

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you could have some 
more structural forcing in here

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that would lead to more connectivity.

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So, pretty much that whole thing's
free flowing right now.

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Could we get some structure in there

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that increases some of the
inundation extent at low flows?

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Yeah. That's—

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That could be something worth exploring.

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So what could Pop's reach of Coburn be?

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Well.

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Even if it's just in this recovery potential
that he's willing to concede,

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we might be able to get some more
inundation area,

246
00:13:33,800 --> 00:13:34,800
and we might be able to
shift it to this stage 8,

247
00:13:34,800 --> 00:13:40,179
sort of a weakly anastomosing system.

248
00:13:41,100 --> 00:13:43,800
By the way, we call that wandering.

249
00:13:43,800 --> 00:13:48,630
Maybe we could get a little bit of a
wandering system in those few places

250
00:13:48,630 --> 00:13:51,200
where there's space 
and he's willing to allow it.

251
00:13:51,200 --> 00:13:55,000
Sort of it's tendency anyway,
and again,

252
00:13:55,000 --> 00:13:58,000
recovery potential can change over time.

253
00:13:58,400 --> 00:14:02,200
Well, Pop's has a hypothetical daughter.

254
00:14:03,100 --> 00:14:06,100
And, Pop's isn't going 
to be around forever.

255
00:14:07,100 --> 00:14:10,000
And he likes his daughter a lot.

256
00:14:10,000 --> 00:14:13,300
This daughter, you know,
just loves the river.

257
00:14:14,300 --> 00:14:15,700
She grew up here,
loves the ranch,

258
00:14:15,700 --> 00:14:18,500
and, yes, I'm making all this up.

259
00:14:18,500 --> 00:14:23,700
She saw the the map,
and she kind of got upset with Pops.

260
00:14:23,700 --> 00:14:27,700
What she said is,
"'Oh, come on. Really?"

261
00:14:27,700 --> 00:14:30,800
I mean, we're just putting the cows out,
and, you know,

262
00:14:30,800 --> 00:14:31,800
whether or not it's us
irrigating the pasture,

263
00:14:31,800 --> 00:14:34,400
or whether or not it's,
you know,

264
00:14:34,400 --> 00:14:37,860
the river spreading out
and doing this stuff,

265
00:14:37,860 --> 00:14:38,910
the cows can get in there.

266
00:14:38,910 --> 00:14:39,910
They can use that,

267
00:14:39,910 --> 00:14:42,990
for the little bit that we use it
in the spring, and the summer,

268
00:14:42,990 --> 00:14:45,620
but we do have this irrigation canal
right along here.

269
00:14:46,000 --> 00:14:47,600
Okay.

270
00:14:47,600 --> 00:14:54,700
And what she suggested is, yeah,

271
00:14:54,700 --> 00:14:55,700
let's just go right off 
the irrigation canal.

272
00:14:55,700 --> 00:14:57,510
This is gravity fed, so it wouldn't be
a very easy thing to move.

273
00:14:57,510 --> 00:15:01,020
It'd be expensive, etc.

274
00:15:01,100 --> 00:15:05,830
They want to keep that operational,
and so, this is her recovery potential,

275
00:15:06,200 --> 00:15:08,770
The same as Pops up here,
but then she's conceding,

276
00:15:10,200 --> 00:15:14,200
not just, I mean, Pops's line
was way back down here, right?

277
00:15:14,500 --> 00:15:16,700
So she's conceding not just

278
00:15:16,700 --> 00:15:17,700
that gap between that
and the inactive floodplain boundary,

279
00:15:17,700 --> 00:15:22,450
but saying, hey,

280
00:15:22,450 --> 00:15:24,200
you could go all the way up to the canal,
and then, you know,

281
00:15:24,200 --> 00:15:27,300
once you get past the barn, hey,

282
00:15:27,300 --> 00:15:29,100
and there's these few 
little beaver dams here,

283
00:15:29,100 --> 00:15:31,100
and all the way down
onto the fan of this thing.

284
00:15:31,100 --> 00:15:32,800
I mean, this could
really just spread out.

285
00:15:34,400 --> 00:15:39,500
So by contrast, you know,
she's got 63 acres of recovery potential,

286
00:15:39,700 --> 00:15:43,330
76% of the valley bottom,

287
00:15:43,700 --> 00:15:47,430
that, you know, that could come back.

288
00:15:47,800 --> 00:15:52,000
So, the uplift potential 
is 22 acres, or 53%.

289
00:15:52,600 --> 00:15:55,200
So that's pretty, 
that's pretty exciting.

290
00:15:55,200 --> 00:15:56,600
And so.

291
00:15:56,600 --> 00:15:59,050
You know, Pops, Pops may,
you know,

292
00:15:59,050 --> 00:16:03,600
Carol is the future,
so he let's,

293
00:16:03,600 --> 00:16:05,500
he lets her run the show.

294
00:16:05,500 --> 00:16:08,300
So what could Carol's 
reach of Coburn be?

295
00:16:08,300 --> 00:16:10,600
Well, up at the top there—
right in here?

296
00:16:11,700 --> 00:16:15,180
Maybe stage eight still, right?

297
00:16:15,900 --> 00:16:19,200
However, towards the bottom, right,
where we could spread out,

298
00:16:21,150 --> 00:16:22,200
get across this whole thing,

299
00:16:22,200 --> 00:16:25,000
really spread out into this fan,
you know, maybe,

300
00:16:25,000 --> 00:16:28,800
stage zero effectively, eventually.

301
00:16:28,800 --> 00:16:32,100
So, this is just reinforcement
of what we did in planning, right?

302
00:16:32,200 --> 00:16:36,400
This is so fundamental.

303
00:16:36,400 --> 00:16:40,200
Because this sets 
the boundary conditions for your design.

304
00:16:40,200 --> 00:16:43,150
This sets, you know, 
how I'm going to approach this.

305
00:16:43,150 --> 00:16:45,310
What's the target I'm shooting for?

306
00:16:45,310 --> 00:16:48,500
Not necessarily that you're going
to get there in your first design,

307
00:16:48,500 --> 00:16:55,300
but It's a really, really helpful way
to queue you up successfully.

308
00:16:55,300 --> 00:16:59,800
So in conclusion, never start a design
without that critical context from planning.

309
00:16:59,800 --> 00:17:04,100
The design opportunity is defined 
by that gap

310
00:17:04,100 --> 00:17:05,100
between condition and recovery potential.

311
00:17:05,100 --> 00:17:10,775
Scott Shavarian's going to
walk you through the design process

312
00:17:10,775 --> 00:17:14,470
focusing at the complex scale,
and inheriting these sorts of,

313
00:17:14,470 --> 00:17:21,750
objectives, design objectives,
out of what this planning process reveals.

314
00:17:21,800 --> 00:17:25,400
Thank you very much.