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Toits verts

Adapt the city

Climate impact analysis and strategy development

The ACMG supports local actors to assess and identify climate impacts and risks with the objective of proposing and implementing solutions adapted to local specificities.

The ACMG technical service works
with natural environment managers, design offices and local communities to perform satellite data analyzes, deploy measurement sensors, interpret the results by editing GIS maps and propose adaptation solutions to climate change. The areas of intervention are the study of heat islands, groundwater recharge, the use of plants and water, air pollution flows, adaptation scenarios, connected sensors and urban climatology.


Heat islands

Diagnosis of infrastructure vulnerability and user exposure

Image de Pierre Borthiry

Air pollution

Understanding the circulation of pollution flows

Image de Lukas Blazek

Coping strategies

Development and implementation of technical solutions.


Urban climatology

Sensor development
Technical study…


A project?

A need?

Heat islands

Ancre 1

" Towards a reduction of high heat in the center of cities and the countrysiders "


Heat island: temperature surface area of buildings
(Bordeaux - August 2018)

An adapted response

In order to provide a response to heat islands and thus adapt to climate change, the ACMG advises you on your arrangements.

Real working bases for
revegetation, future urbanization, stakeholder awareness and city-countryside cohesion, these maps are produced from satellite images in order to cover large areas and connect the different landscapes.

The ACMG proposes to:

  • Locate islands of heat and freshness

  • Draw up the history of the islets

  • Map and statistically analyze the evolution of surface temperatures

  • Analyze the average temperatures of forms of urbanization

  • Classify landscapes according to their temperatures, study temperature differences

" And you, in which zone are you? "

Move the central cursor to discover the heat islands of the city of Agen

Températures moyennes de surface


Thermal map of the city of Agen (August 2018) - Source: Landsat-8

Ancre 2

Air pollution

Image de Sangga Rima Roman Selia

In order to improve living conditions in urban spaces, ACMG combines the analysis of heat islands and air flows (wind) to understand the circulation of pollutants in the city, identify the sources and thus reflect to reducing pollution.

The ACMG proposes to:

  • Measure air pollution using high performance sensors and others at low cost

  • Understand the variations in air pollution depending on weather conditions and city activity

  • Map the air circulation in the city and the paths of dilution and concentration of pollution

  • Propose adapted solutions

Ancre 3

Coping strategies

Founded in 1959, ACMG is specialized in agro-climatology and in the fight against climatic hazards. Thanks to a multidisciplinary team and its experience acquired within the framework of European projects, ACMG supports communities and sectors in their adaptation.

The goal? Propose solutions adapted to local specificities thanks to a complete study of the stakes of the structure.

Image de Thomas Boulay

Examples of technical solutions:

  • Rehabilitation of industrial zones: access to water, greening, mitigation of heat islands (ICU)

  • Development of Charboline (Biochar) for soil and water improvement

Urban climatology

Ancre 4

Climate monitoring within urban areas makes it possible to improve the quality of areas and to put in place protection measures for certain infrastructures. For example, the increase in temperatures may lead to faster deterioration of underground power lines.
The ACMG combines the know-how to observe the climate thanks to nanos meteorological stations, sensors at moderate cost in order to understand the urban climate and to put in place means of prevention.

Image de Chris Gallagher

Examples of developments and studies:

  •  Water level sensors to prevent flooding in urban, peri-urban and rural areas.

  • Water level measurement in wells to assess water availability

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