the past and future of land use on arizona’s navajo reservation · 2012. 3. 28. · winter wind...
TRANSCRIPT
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making tracksthe past and future of land use
on arizona’s navajo reservation
tiernan doyle | LA602 | professor hall
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outline
I. background
II. goals and objectives
III. design concept
IV. tuba city
o city plan
o remediation plan
V. cameron
o city plan
o remediation plan
VI. conclusion
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sediment
along the
colorados
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mines
of az
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site
context
flagstaff
cameron
tuba city
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uraniummining
evaporation pond
radonplant
well
upper aquifer
lower aquifer
leaching solution
uranium
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mine
history
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project
goal
I. goal
o to remediate land and soil
damaged by uranium mining in
ways that will benefit both
human and natural systems.
II. objectives
o enhance public access and
land appreciation
o create plans for managed use
of water resources
o provide models of landuse and
sustainability
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footprintsdesign concept
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tuba
city
context
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winterwindspeeds
12-14 mph
14-15 mph
15-16 mph
cameron
tuba city
flagstaff
prevailing wind direction
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city
plan
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trails
plan
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effect
I. reduce exposure to wind driven sand
II. create highly recognizable area for tourists
and tribal members
III. increase recreation opportunities
IV. increase tourism opportunities
V. connect town amenities
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mine
context
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planview
20’ groundwater contours
5’ elevation contour
river
native vegetation
phytoremediation
moenkopi wash
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garden cross section
470047504800485049004950500050505100
5150
navajo and kayenta sandstone
water table
moenkopi wash
moenkopi formation
mine
tailings pond
native plants
sunflower and amaranth
native plants
water flow
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effect
I. Improve water quality
II. reduce uranium contamination flow intomoenkopi wash
III. reduce sand movement
IV. provide visual measure of contamination
fine sand
filter layer
coarse sand
gravel mixture
64
in
ch
es
wa
ter
filt
er
laye
r
12”
12”
40”
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cameron
context
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windfall
effectscameron
tuba city
flagstaff
prevailing wind direction
12-14 mph
14-15 mph
15-16 mph
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sample
dune
edge
increase
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biotic
corridor
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city
plan
wind protection
connection to grand canyon
rafting river park
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effect
I. increase low impact tourism
II. foster river and water qualityawareness
III. connect cameron to grand canyon andtuba city
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mine
context
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planview
ground water flow
water pollution
airborne pollution
20’ groundwater contours
5’ elevation contour
river
native vegetation
phytoremediation
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garden cross section
little colorado
mine
water tablewater flow
native plants
native plants sunflowers and amaranth
4141
4151
4161
4171
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effect
I. increase biodiversity along river corridor
II. reduce airborne pollution headed intoreservation
III. clean groundwater to protect well sites
IV. remove excessive uranium and arsenic fromsoil and water
gravel admixture in upper 8”
topsoil
cobbles filled w/ soil
fine-grained soil
geotextile separator
coarse sand
64
in
ch
es
wa
ter
sto
rag
e la
yer
12”
15”
12”
40”
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conclusions
In beauty I walk
With beauty before me I walk
with beauty behind me I walk
with beauty above me I walk
with beauty around me I walk
It has become beauty again
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