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Transformational
Information for Africa
Dr Adam Lewis
DE Africa Establishment Team
Australia Africa Week 2019
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What is Digital Earth Africa?
Australia Africa Week 2019
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Sentinel-2 Observation Plan August 2019
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DE Africa - Key inputs
• Funding ($24m AUD), from The Helmsley Charitable Trust, and the
Australian Government (2019-2021) – our Funding Partners
• Freely available satellite images from international space programs
Analysis Ready Data
• Australian inventions, expertise and experience – Open Data Cube and
Digital Earth Australia – which can be leveraged to Africa
• Preparation work of the Africa Regional Data Cube Project and the DE
Africa Phase-I study
• Partnerships, Cooperation, Alignment of effort and positive discussions
• UNECA, AUC, RCMRD, Agrymet, GEO (The Group on Earth
Observations, including GEOGLAM, GFOI), ESRI, Amazon, the
United States Geological Survey, GMES and Africa, ESA and others.
• Advances in cloud, storage & compute - affordability and availability`
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Governance structure
Governing Board
Technical Advisory Committee
Stakeholder Community Group
•Strategic guidance, oversight and accountability
•High level political influence
•Ensure successful achievement of the mission and vision of DE Africa
•Expert Advice and Guidance
•Cross-community stakeholder engagement
•Technical Roadmap
•Alignment and growth opportunities
•Engagement with key users to deliver with impact
•Access the views of a wide stakeholder base and diverse organisations
•Provide diverse representation, across sectors, geography and gender
•Facilitate communications to and from the broad stakeholder base
Australia Africa Week 2019
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Governance Principles
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Built on partnerships
MandateData
providers Training Applications
& uptake
Technology
partners
Industry
uptakeGeographic
reachFunding Science M & E
Partnerships to deliver Partnerships to amplify Partnerships to sustain
Australia Africa Week 2019
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www.digitalearthafrica.org – please register your interest!
Australia Africa Week 2019
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The Earth Observation
Supply Chain
Australia Africa Week 2019
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Observations Analysis
Ready Data
Products Information
for decisions
Land and water
managers
Policy agencies
Innovators
Ag-tech
industry
Statistics
bureaus
Australia Africa Week 2019
Connecting observations to decisions
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Observations Analysis
Ready Data
Products Information
for decisions
Land and water
managers
Policy agencies
Innovators
Ag-tech
industry
Statistics
bureaus
Australia Africa Week 2019
Connecting observations to decisions
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Observations Analysis
Ready Data
Products Information
for decisions
Land and water
managers
Policy agencies
Innovators
Ag-tech
industry
Statistics
bureaus
Australia Africa Week 2019
Connecting observations to decisions
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Analysis Ready Data - specifications
Australia Africa Week 2019
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Analysis Ready Data - provision
Landsat global Collection-2 March 2020
USGS ‘Collection 2 Surface Reflectance and Land Temperature
Path 29 / Row 31
October 8, 2016
True-color RGB
(4/3/2)
LPGS v15.2.0
(7/22/2019)• LaSRC 1.4.1
(SR)
• Single-
Channel 1.3.0
(ST)
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Observations Analysis
Ready Data
Products Information
for decisions
Land and water
managers
Policy agencies
Innovators
Ag-tech
industry
Statistics
bureaus
Australia Africa Week 2019
Connecting observations to decisions
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Observations Analysis
Ready Data
Products Information
for decisions
Land and water
managers
Policy agencies
Innovators
Ag-tech
industry
Statistics
bureaus
Australia Africa Week 2019
Connecting observations to decisions
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Data cube and the cloud – processing Big EO Data
Australia Africa Week 2019
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Producing continental products
Australia Africa Week 2019
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Observations Analysis
Ready Data
Products Information
for decisions
Land and water
managers
Policy agencies
Innovators
Ag-tech
industry
Statistics
bureaus
Australia Africa Week 2019
Connecting observations to decisions
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Observations Analysis
Ready Data
Products Information
for decisions
Land and water
managers
Policy agencies
Innovators
Ag-tech
industry
Statistics
bureaus
Australia Africa Week 2019
Connecting observations to decisions
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Connecting with users – from Hackathon to Operations
Australia Africa Week 2019
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High Level Approach
Australia Africa Week 2019
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Foundations
A developing ecosystem
Building capacity &
uptake
Setting the foundations
• Funding ☺ ☺
• Undertake Australian Government Investment Design process ☺
• Governance framework, mission and vision ☺ ☺
• Implement the governance framework ☺
• Hosting arrangements and DE Africa Office (and staffing)
• Build momentum and support - Deliver DE Africa Day and key events ☺
• Develop key strategies:
• Communications and stakeholder engagement, ☺
• Partnerships, ☺ and
• Capacity building ☺
• Establish key partnerships with in-country enablers and others ☺
• Ensure alignment with relevant initiatives, programs and institutions ☺
• Build the DE Africa data and ODC infrastructure ☺
• Deliver continental-wide beta water observations from space product ☺
• Develop technical roadmap ☺
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Capacity building and uptake
• First DE Africa Annual Users Meeting
• Implement technical roadmap
• Deliver 3 continental-wide products
• DE Africa Office operating and fully staffed
• Regular training and capacity building program in place
• Engage at the country level on uptake of DE Africa
products
• Increase the ability for African countries to exploit DE
Africa products and services
• Produce a study on the economic value of EO data for
Africa
• Increase comprehensive stakeholder engagement
• Secure co-investment from additional philanthropic/aid
agencies
A developing ecosystem
Building capacity &
uptake
Setting the foundations
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A developing ecosystem with compelling benefits
• Deliver 5 continental-wide products
• Deliver case studies on the impact of EO data
on decision making in Africa
• Demonstrate a developing business case for
direct country-level investment based on
delivered value
• Demonstrate cases of products and services
from DE Africa being independently ingested
into new, innovative applications
• Develop a sustainability plan for the continued
operations of DE Africa
A developing ecosystem
Building capacity &
uptake
Setting the foundations
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Progress
Australia Africa Week 2019
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DEAfrica Platform – August 2019
• DE Africa Map - http://maps.digitalearth.africa/
• OGC Web Services - https://ows.digitalearth.africa/
• Explorer - http://explorer.digitalearth.africa/
• Public Data bucket - https://data.digitalearth.africa/
• Jupyter Hub - https://sandbox.digitalearth.africa/
• GitHub - https://github.com/digitalearthafrica
• Slack channel - #de-Africa https://opendatacube.slack.com/
• Esri Africa GeoPortal http://www.africageoportal.com/
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Water observations from space (WOfS)
Mueller et al., 2016, Water Observations from Space. Remote Sensing of Environment 147 341-352
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Surface Water (WOfS) Saint-Louis, Senegal (2016)
Australia Africa Week 2019
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Surface Water (WOfS), Tanzania (2007/2017)
Australia Africa Week 2019
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Drought resilience in Tanzania
Australia Africa Week 2019
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Monitoring cropping - ‘fractional cover’
Australia Africa Week 2019
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Fractional Cover, Burkina Fasso (2000)
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Fractional Cover, Burkina Fasso (2017)
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Extracting mining insights in Ghana
Australia Africa Week 2019
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Australia Africa Week 2019
• Ghanaian Environmental
Protection Agency has
revoked licenses of 47
companies
• Has begun two more criminal
prosecutions
Ghana uses Earth observations
to stop illegal mining
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Continental data!
Australia Africa Week 2019
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Digital Elevation Model
Continental Digital
Elevation Model
(DEM) – SRTM
Note:
A more accurate,
high resolution DEM
should be a priority
for the continent.
This should be
coordinated with the
major space
agencies
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Radar mosaic images from JAXA – ALOS
Continental Radar
data coverages from
Japan’s Advanced
Land Observing
Satellite (ALOS),
provided by JAXA.
Years
2007, 2008, 2009,
2015, 2016, 2017
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Continental Data from Landsat
Continental Analysis
Ready Data (ARD)
Landsat-8
2013 to 2018
Provisional data for DE
Africa
Colours indicate how
many cloud-free pixels
during this time
Full Landsat (4,5,7,8)
ARD early 2020.
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Geomedian Landsat Image for 2018
Geomedian 2018:
the ‘average’ image
for Africa from all
available Landsat-8
images in 2018
~ 30,000 scenes
~ 18 TB data
Overnight
processing on
Amazon
< $200 US
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Continental water observations from space (WOfS)
Mueller et al., 2016, Water Observations from Space. Remote Sensing of Environment 147 341-352
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Continental water observations from space (WOfS)
Applying the WOfS
algorithm produces
information on
surface water for
each year
Processing on
Amazon
< $200 US for each
year of processing
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Continental water observations from space (WOfS)
Any place can be
explored to see how
often and when
water was seen by
the satellites.
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Continental water observations from space (WOfS)
Colours indicate the
percentage of times
water was detected
No colour = 0%
Red = rarely water
Green = often water
Blue = always water
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Continental water observations from space (WOfS)
Colours indicate the
percentage of times
water was detected
(in that year)
No colour = 0%
Red = rarely water
Green = often water
Blue = always water
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Continental water observations from space (WOfS)
Colours indicate the
percentage of times
water was detected
(in that year)
No colour = 0%
Red = rarely water
Green = often water
Blue = always water
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Continental water observations from space (WOfS)
Colours indicate the
percentage of times
water was detected
(in that year)
No colour = 0%
Red = rarely water
Green = often water
Blue = always water
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Continental water observations from space (WOfS)
Lake Chad from
2013 to 2019
Colours:
No colour = 0%
Red = rarely water
Green = often water
Blue = always water
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Continental water observations from space (WOfS)
Capetown water
storage
2013 to 2019
Colours:
No colour = 0%
Red = rarely water
Green = often water
Blue = always water
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That’s a continental product!
Australia Africa Week 2019
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How the time-series builds
information
Australia Africa Week 2019
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Mapping the inter-tidal zone from the image series
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• Announce partnerships
and co-contributions
• Launch the first
continental-scale product
– WOfS for Africa
• Interactive convener and
panel discussing the
pathways to impact.
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Q&A
www.digitalearthafrica.org
Australia Africa Week 2019
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More material
Australia Africa Week 2019
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Digital Earth Africa Phase I 2018 Study with a broad and high level
steering committee based in Africa
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