remote sensing : a powerful tool for exploration

Maral Bayaraa

06/03/2017

Remote Sensing :

A powerful tool for exploration

& engineering mega-projects

Airbus DS –ийн хиймэл дагуулын өгөгдөл

Satellite Imagery – The Airbus DS Constellation

11 April, 2017 Remote Sensing : A powerful tool for exploration & engineering mega-projects 2

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

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

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

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

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

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

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

Environmental Monitoring

11 April 2017

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

Environmental Monitoring

11 April, 2017 Remote Sensing : A powerful tool for exploration & engineering mega-projects 20 0 500

m

(February 2012) Pléiades Imagery at 0.5m Resolution (~1:5 000 scale)

Tanks

under

constructi

on

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?

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

Анхны Зайнаас Тандан Судалгааны Баатар

Early Remote Sensing Hero

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Баярлалаа

Thank you