Legacies in Streams Using Natural and Introduced Tracers to Determine Origin and Fate of Stream Wate - PowerPoint PPT Presentation

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Legacies in Streams Using Natural and Introduced Tracers to Determine Origin and Fate of Stream Wate

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Title: Legacies in Streams Using Natural and Introduced Tracers to Determine Origin and Fate of Stream Wate


1
Legacies in Streams Using Natural and
Introduced Tracers to Determine Origin and Fate
of Stream Water
  • Michael N. Gooseff
  • Colorado School of Mines/Penn State University

2
Collaborators
  • Diane McKnight (CU)
  • Roy Haggerty (OSU)
  • Berry Lyons (the OSU)
  • Breck Bowden (UVM)
  • Jim McNamara (BSU)
  • John Bradford (BSU)
  • Brian McGlynn (MSU)
  • Jeb Barrett (VT)
  • Tina Takacs (UNM)
  • Jay Jones (UAF)
  • Jack Schmidt (USU)
  • Charlie Vörösmarty (UNH)
  • Bruce Peterson (MBL)
  • Chuck Hopkinson (MBL)
  • Bob Hall (U Wyo)
  • Jen Tank (Notre Dame)
  • Michelle Baker (USU)
  • Steve Wondzell (USFS)
  • USGS
  • Ken Bencala
  • Rob Runkel
  • John Duff
  • Graduate Students
  • Rob Payn, PhD
  • Randy Goetz, MS

Funding Source
3
Watersheds as Integrated Systems
geomorphic template, soils, stream network
chemical
vegetation patterns
chemical weathering
Hydrology mediates the interactions among these
systems
4
Streams as Integrators
5
Streams are connected to watersheds
6
Streams as Integrated Systems
fluvial geomorphology, substrate, sediment/water
discharge, setting
chemical
flora/fauna distributions
nutrient cycling
Hydrology and hydraulics mediate the interactions
among these systems
7
How do we use Tracers in Streams?
  • Decipher catchment flowpaths/operation -
    i.e., hydrograph separation/EMMA
  • Dilution gaging
  • Characterize transient storage

surface
recent surface
Stream discharge (mm/d)
newold subsurface
old subsurface
Maulé and Stein, 1990
8
Natural Tracer Responses
Photos from Kevin McGuire
9
Natural Tracer Responses
10
How do we use Tracers in Streams?
  • Decipher catchment flowpaths/operation -
    i.e., hydrograph separation/EMMA
  • Dilution gaging

Tracer mass injection as a pulse
C(t)
Ctracer
Time
Mixing Length
11
How do we use Tracers in Streams?
  • Decipher catchment flowpaths/operation -
    i.e., hydrograph separation/EMMA
  • Dilution gaging
  • Characterize Transient Storage

12
Streams Hyporheic Zones
Co, Ni, Zn, Mn retention (Fuller Harvey, 1998)
Alley et al., 2003
  • Stream-adjacent subsurface flow location, through
    which stream water exchanges.

13
Exchange Driven by Head Gradients
Flow of water from hyporheic zone to the stream
was greatest at the downstream end of riffles.
Harvey Bencala, 1993
14
Water and Solute Retention
  • Stream tracer technique at reach scale
  • Tracer BTC characterizes solute transport
    processes

15
Simulating Solute Transport I
Gooseff McGlynn, 2005
16
Simulating Solute Transport II
Haggerty Reaves (2002), figure from Gooseff et
al. (2003)
17
Ex. Restoring Stream Function
  • In general
  • restoring streams
  • increasing channel complexity
  • This should result in restored function of
    retention
  • Example Provo River Restoration
  • Reversing the impacts of diking and straightening
    from 1960s

18
Restoring Stream Function
  • Middle Provo River, UT
  • Qann 5.3 m3/s
  • 3 channelized reaches
  • 3 reconfigured reaches
  • Channel morph.
  • Stream tracer exps.

19
Provo River Restoration, UT
before
after
http//www.mitigationcommission.gov/prrp/prrp.html
20
Provo River Restoration, UT
before
after
http//www.mitigationcommission.gov/prrp/prrp.html
21
Modified Channel Form
Riffle Pool
22
Leads to Increase Retention?
23
How do we use Tracers in Streams?
  • Decipher catchment flowpaths/operation -
    i.e., hydrograph separation/EMMA
  • Dilution gaging
  • Characterize transient storage
  • Assess lateral inflows distributed loads

24
Identifying Sources of Metals
http//wwwrcamnl.wr.usgs.gov/wrdseminar/pastsemina
rsonvideo.htm
25
Identifying Sources of Metals
26
Identifying Sources of Metals
27
Wheres the Problem?
  • Zinc load Zn Q
  • Distributed inflows contribute to Zn load

Kimball, USGS FS 245-96
28
How do we use Tracers in Streams?
  • Decipher catchment flowpaths/operation -
    i.e., hydrograph separation/EMMA
  • Dilution gaging
  • Characterize transient storage
  • Assess lateral inflows distributed loads
  • Characterize streamflow gains, losses, and
    scaling of exchange dynamics

29
Streams Are Not Isolated
One of these things is not like the other
30
Stream-Catchment Interactions
  • Instrumentation
  • Watershed area 22.6 km2
  • Tributary to the Smith River
  • - 6 sub-basins
  • - 7 USFS stream gauges
  • 12 hillslope-riparian well transects
  • LIDAR ALSM in fall 2005

2425 m
2090 m
31
Stream-Watershed Connections
  • Role of catchment structure on hydrologic and
    solute response

Spring Park Cr.
Upper Tenderfoot Cr.
Stringer Cr.
Sun Cr.
Bubbling Cr.
32
Stringer Creek, TCEF
ALSM high resolution topography data
33
Its almost like being there
34
Landscape Analysis
0 ha Log10 40 ha
Stringer Creek
Upslope accumulated area
Lower Tenderfoot Creek
35
Differing hillslope-riparian sequences
(combinations of accumulated area and riparian
extent)
Based on 3m DEM
36
Snowmelt Hydrograph
37
Distributed Water Balance
  • 2.6-km stream
  • Divided into 26 consecutive100-m reaches
  • Water balance measured with tracer dilution
    gauging

38
Measuring Reach Water BalanceRepeated Slugs
Method
QUP Gross Gain QDOWN Gross Loss
QUP

Gross hydrologic gain
QDOWN
Gross hydrologic loss
39
Water balance Net change in Q compared to tracer
loss
July
40
Concurrent gross hydrologic gain and loss
July
41
Seasonal Trends
June
July
August
42
Q along 2.6 km of Stringer Cr.
43
Hydrology ? Hydraulics
44
Scales of Exchange
Rhodamine WT Constant Rate Injection, 9 days
45
Scales of Exchange
46
Scales of Exchange
47
Scales of Exchange
48
Measuring Reach Water BalanceFlow path effects
on tracers
Transient hydrologic storage
Gross hydrologic gain
Gross hydrologic loss
49
Summary
  • Stream tracer application has a long history and
    has significantly advanced our understanding of
    hydrology
  • Despite its history, the future is bright for
    stream tracer applications

50
Future Research
1. How does N-retention (as a fn of hyporheic
exchange) scale through a stream network?
Recently funded by NSF - New method to partition
in-channel from hyporheic storage
51
Future Research
2. Does acid mine drainage effectively clog
streambeds? Proposal to NSF assess N cycling
in AMD streams that have significant deposition
of ferrecrete.
52
Future Research
3. How do thermokarsts (permafrost failures)
impact stream function?
53
Watershed Functions
  • Combined operation of watersheds, streams, and
    wetlands
  • 6 Processes precipitation, infiltration,
    percolation, interception, evapotranspiration,
    and runoff
  • 5 Functions collection, storage, discharge,
    provide reaction substrate, provide habitat

54
Components Working Together
Fig. 3, Black, 1997
55
Watershed Responses
  • Flush storage locations

Fig. 5, Black, 1997
56
Watershed Responses
1. Attenuate inputs
Fig. 4, Black (1997)
57
Stream Functions
  • Functions
  • Collection, retention, and discharge of water,
    sediment, and solutes
  • Provide reaction substrate
  • Provide habitat
  • Streams operate in the context of in-channel and
    out of channel controls

58
Hyporheic Zone Characterization
  • Connects streams to catchments
  • Increases stream water/solute retention
  • Underpins stream ecosystem function
  • Denitrification (Gooseff et al., 2004)
  • Co, Ni, Zn, Mn retention (Fuller Harvey, 1998)

USGS Circular 1139, 1998
59
Water and Solute Retention
Storage zone can be hyporheic zone and/or channel
storage
Runkel, 1998
60
Water balance Net change in Q compared to tracer
loss
June
61
Water balanceHydrologic conditions ofSummer
2006
62
Future Research
Is stream solute and water retention important
when channels are ice-covered?
Cardenas Gooseff, WRR in review
63
Nitrogen Cycling in Antarctic Hyporheic Zones
Maurice et al. (2002)
64
Denitrification in Green Creek?
  • Denitrification
  • NO-3 NO-2 N2O N2 (reduction)

nitrate
nitrite
nitrous oxide
dinitrogen
Algal mats remove NO3 by assimilation and
hyporheic microbes remove NO3 via denitrification
65
Study Approach
  • Stream tracer experiment
  • add steady injection of NO3 and conservative
    tracer (Cl)
  • simulate NO3 loss in-stream and in-hyporheic

injection
Sample 1
Sample 2
Sample 4
Sample 3
66
Hyporheic NO2 Production?
Transport Limited!
Gooseff et al. (2004)
67
Alternative Denitrification also occurring in
algal mats
Gooseff et al. (2004)
68
Green Creek Stream Results
3
14
4
0
In-channel control on retention
Gooseff et al. (2004)
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