remote sensing : a powerful tool for exploration
TRANSCRIPT
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Maral Bayaraa
06/03/2017
Remote Sensing :
A powerful tool for exploration
& engineering mega-projects
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Airbus DS –ийн хиймэл дагуулын өгөгдөл
Satellite Imagery – The Airbus DS Constellation
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gamma
ray
X - ray ultraviolet visible infrared microwave radio
TerraSAR-X
TanDEM-X DMC-2/
DEIMOS-1 SPOT 6/7
Pléiades 1A/1B
-Optical- -Radar-
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Raw data pixels
pixels
Processed false
colour composite
image
Боловсруулалт/
Image Processing
Geo-reference
Image Enhancement
Band 7 Red
+
Band 4 Green
+
Band 2 Blue
Band 1
Band 2
Band 3
Band 4
Band 5
Band 7
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Зайны тандан судaлгаа хийх
Remote Sensing Contribution for Mega-Projects
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Project Phase
Exploration Development Production Decomissioning
Геологийн үнэлгээ
Geological assessment
Геофизик-ийн
төлөвлөлт, газарын
үнэлгээ
Geophysics’ planning and
terrain evaluation
Байгаль орчны суурь
судалгаа
Environmental baseline
studies
Төлөвлөлт, инженерийн
ажиллагаа
Planning and engineering
applications
Миллиметрийн гадаргуу
хөдөлгөөн хяналт
Millimetric Surface
Movement Monitoring
Байгаль орчин хяналт
Environmental monitoring
Өөрчлөлт илрүүлэлт Change Detection
Хяналт Monitoring
24/7 Гамшгийн хариу арга хэмжээ 24/7 Emergency & Crisis Response
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Airbus Defence and Space
Геологийн үнэлгээ
Geological Studies
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Geological Assessment – Project Progression
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Regional Licence Block
1:50,000 – 1:100,000
Landsat 15m/SRTM 90m
1:25,000
SPOT 1.5m/WorldDEM
1:10,000
Pleiades 0.5m/ DEM 1m
Sub-Regional
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Ашигт малтмалын зураглал/ Mineral mapping
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ASTER mineral map and anomalies Чулуу тус бүрийн өвөрмөц спектрын хээ
Unique spectral fingerprinting of minerals
Уналт
Босолт
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Field observation point - base Tanezzuft
Photograph locality – Tanezzuft
sandwiched between massive
Cambro-Ordovician and Devonian
sandstones
Photograph locality – Tanezzuft
Formation
Detailed Interpretation – North Africa
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0.5m Imagery/1m DEM– Derived Layers
1:5
00
0 s
ca
le
To
po
gra
ph
ic M
ap
pin
g
Vis
ua
lisa
tion
Analy
se s
trike
/dip
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Mineral Mapping - Gold Exploration Project North Africa Example
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Mineral Mapping - Gold Exploration Project North Africa Example
• Чулууны бүтэц ба
агууллагын зураглал
Structural and lithological
interpretation
• Хоер ширхэг
хувьралтай ба
гидротермальны
өөрчлөлтөй бүс
Two strongly foliated
zones can be identified,
which present potential
areas of mineralisation
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Airbus Defence and Space
Дамжуулах Хоолой / Төмөр
Замын төлөвлөлт
Pipeline / Railway Planning
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Digital Elevation Models
Digital Surface Model (DSM)
Дижитал газрын саадын өгөгдөл
Digital Terrain Model
Дижитал газрын гадаргын өгөгдөл
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WorldDEMTM – Level of Detail
Paraguay, NW of Filadelfia
SRTM90
WorldDEMTM
SRTM30 165 m
160 m
155 m
150 m
145 m
140 m
Viewing Scale: 1: 50,000
26 km
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Feasibility Studies
Landsat 8
imagery
and SRTM DEM
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Airbus Defence and Space
Байгал орчны суурь
судалгаа
Environmental Baseline
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Legend
AOI
R4
R3
R1_R2
Seismic line
Track
_̂ Other feature of interest
Possible oil impacted ground - polygon
j Flaring
#* Possible oil impacted ground - point
Embankment
Building/facility - polygon
Building point
!5 Monument
Ephermeral drainage
well_pad
Supplied well locations
Supplied well location 5km x 5km - circular
Supplied well location 5km x 5km - square
Settlement
Vigorous vegetation
Weathered bedrock - brown
Dune sand
Vegetated dune
Interdune
Salt pan
Landcover not shown for clarity – AOI extension
shown by the dark blue line
Байгаль орчны суурь судалгаа / Environmental Baseline
Central Africa Case Study
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Evidence of large quantities of debris surround the unused platform
Dark areas adjacent to the platform have the potential to be oil
impacted
Possible oil impacted ground
Detailed Interpretation – Abandoned Platform
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Platform
Metal waste - various
Large objects / containers
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Environmental Monitoring
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0 5km
(~2000) Landsat 7 ETM+ Imagery 15m Resolution (~1:100 000 scale) 7,4,2 R,G,B (2009) Landsat 7 ETM+ Imagery 15m Resolution (~1:100 000 scale) 3,2,1
R,G,B
(June 2013) Landsat 8 ETM+ Imagery 15m Resolution (~1:100 000 scale)
4,3,2 R,G,B (June 2013) Landsat 8 ETM+ Imagery 15m Resolution (~1:50 000 scale)
4,3,2 R,G,B
2.
Engineering & Environment
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Environmental Monitoring
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m
(February 2012) Pléiades Imagery at 0.5m Resolution (~1:5 000 scale)
Tanks
under
constructi
on
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Environmental Monitoring
11 April, 2017 Remote Sensing : A powerful tool for exploration & engineering mega-projects 21 0 500
m
(April 2013) SPOT 6 Imagery at 1.5m Resolution (~1:5 000 scale)
Completed
Tanks
Oil Leak?
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Airbus Defence and Space
Change Detection
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Pléiades 0.5m Resolution
October
Change Detection - Area of dense activity
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Pléiades 0.5m Resolution
June
Change Detection - Area of dense activity
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Pléiades 0.5m Resolution
Change Layer October - June
Change Detection - Area of dense activity
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Pleiades North T0 Subset
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Pleiades North T1Subset
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Pleiades North Standard Change Detection
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Pleiades North Advanced Change Detection
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Pleiades North Advanced Change Detection - Attribution
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Volume Change Calculations
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Remote Sensing Contribution for Mega-Projects
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Project Phase
Exploration Development Production Decomissioning
Геологийн үнэлгээ
Geological assessment
Геофизик төлөвлөлт,
газарын үнэлгээ
Geophysics’ planning
and terrain evaluation
Байгаль орчны суурь
судалгаа
Environmental baseline
studies
Төлөвлөлт, инженерийн
ажиллагаа
Planning and engineering
applications
Millimetric Surface
Movement Monitoring
Environmental monitoring
Өөрчлөлт илрүүлэлт Change Detection
Хяналт Monitoring
Data Management and Delivery
24/7 Emergency & Crisis Response
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Анхны Зайнаас Тандан Судалгааны Баатар
Early Remote Sensing Hero
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Баярлалаа
Thank you