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The Earth Observations Toolkit for Sustainable Cities and Human Settlements - Supporting Evidence-based policy-making for Equitable Urban Futures

29 June 2022 — 9:00 - 12:00

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Welcome - Getting to know each other (10 min)

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The vast majority of urban growth is expected to happen in Low-and-Middle-Income Countries, mostly in deprived urban areas. Data on such areas are often not available, dated or patchy. Areas change often rapidly requiring frequently updated information for local actors.

by Monika Kuffer, ITC-UT and and Peter Elias, UNILAG

Exercise 2:

Producing Slum Indicators in Administrative Units (25 min)

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SLUMAP, IDEAMAPS and ACCOUNT focus on an open-source framework that allows (i) providing information on the location of deprived areas (e.g. slums) within a city and (ii) characterizing their physical environment (i.e., in terms of greenness, built-up density, etc.) at limited cost.

SDG 11.1.1 Proportion of urban population living in slums, informal settlements or inadequate housing

Mapping Deprived AREAS

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Outputs are gridded deprivation models validated with community groups

  • (100x100m cells)
  • Degree of deprivation
  • Dominant deprivation(s)
  • Population estimate

More info: https://ideamapsnetwork.org/

SDG 11.1.1 Proportion of urban population living in slums, informal settlements or inadequate housing

Domains of Deprivation

Validation with community-based data

Modelling outputs

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Models from the Space

Earth Observation

Criteria defining slums, informal settlements and inadequate housing (Source: UN-Habitat, 2020) (x* presently measured)

EO potential deprivation

Slums

Informal Settlements

Inadequate Housing

Captured via EO

access to water and sanitation

X*

X*

X

Unplanned urbanization

sufficient living area, overcrowding

X*

X

Built-up Density

structural quality, durability and location

X*

X*

X

Locational and roofing material

security of tenure

X*

X*

X

Unplanned urbanization

affordability

X*

(Requires local data)

accessibility

X

Geospatial data

cultural adequacy

X

(Require local data)

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Exploring the Portal - Part 1

Web Developer: Pere Roca Ristol peroc79@gmail.com

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Exploring the Toolkit Data - Part 2

Access to Beta Version Data of SLUMAP for Nairobi, Kenya: https://pere.gis-ninja.eu/slumaps/slumaps_dev.html#!

Web-based Visualization Tool: https://kepler.gl/

GHS Built-up Layer 10 m

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Exploring the Toolkit Data - Part 2

Web-based Visualization Tool: https://kepler.gl/

Visualizing built-up density in 3D

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Exploring the Toolkit Data - Part 2

Web-based Visualization Tool: https://kepler.gl/

Visualizing built-up density within administrative areas

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Exploring the Portal Data - Part 2

Web-based Visualization Tool: https://kepler.gl/

Relating built-up density, deprivation models and population data

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Web-based Visualization Tool: https://kepler.gl/

Visualizing built-up density within administrative areas and relating to deprivation

Contact: M.Kuffer@utwente.nl

@MonikaKuffer

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The Spatial Dimension of SDG and NUA Indicators using Earth Observation Data

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Stimulating exchange and learning from local use cases and support knowledge exchange on the potential of Earth Observation data.

Supporting local stakeholders with easy access to documented and FAIR data. Bridging the technology gap and opening up a large knowledge hub.

Understanding the complexity of the urban environment - linkages of various dimensions and its linkages to the urban hinterland. For example addressing climate change. .

Supporting evidence-based spatial policies requires ressources, capacity and exchange.

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