Lancement de la formation en Polynésie française

L'équipe INSeaPTION lance en Polynésie française la formation sur "Les impacts du changement climatique et les solutions d'adaptation" qui aurait dû se dérouler sur place du 10 au 14 mai 2020 et a dû être reportée à cause de la crise de COVID-19.

Cette formation constitue l'un des 4 services climatiques côtiers co-produits avec les acteurs locaux dans le cadre du projet INSeaPTION.

Elle comprend 3 modules interdépendants:

(1) De la connaissance à l'observation des systèmes côtiers tropicaux

(2) Les impacts du changement climatique sur les systèmes côtiers tropicaux

(3) L'adaptation au changement climatique

Les contenus de ces modules sont dispensés sous la forme d'un jeu de fiches et de vidéos qui seront progressivement mises à la disposition des acteurs sur le site du projet de la mi-avril à la mi-juin. En complément, des sessions d'échange seront organisées (seconde moitié du mois de juin).

Pour cela, rendez vous sur la page dédiée à la formation.

Bonne formation à toutes et à tous !

Final workshop on global coastal climate services: report and presentations

The final workshop on global coastal climate services of the INSeaPTION project was held on June 9th, 2020. Due to the Covid-19 outbreak, this workshop could not be organised in Berlin as initially planned and was organised virtually by GCF and INSeaPTION partners. 

The report of this workshop is now available as well as the presentations.

The first section of the report introduces the workshop concept note. The workshop focused on further developing and refining a typology of global decisions requiring sea-level rise information developed in the INSeaPTION project. This typology is thus presented in the second section of the Report. Structured around this typology of global decisions, the workshop brought together 25 coastal and sea-level rise experts and stakeholders from both the public and private sectors in a range of different country contexts with the aim of sharing experiences and insights on Global Coastal Climate Services. Section 3 thus reports on roundtable discussions in the workshop focused on the typology and future global coastal climate service development. Key new additions to the typology where suggestions to include a developing country national planning perspective, a focus on system relevant actors for global trade and food security, and a focus on financial regulations in the context of increased attention to corporate disclosures of physical risks.

Link to the final report: Bisaro, S., Hinkel, J., Le Cozannet, G., van der Pol, T. (2020) INSeaPTION Global User Workshop: Global Coastal Climate Services, final report, pp15.


Links to the presentations: 

I. What we have

Introduction to the Workshop, Jochen Hinkel, GCF (oral presentation)
The INSeaPTION Project, Gonéri Le Cozannet, BRGM
Types of global SLR decision problems, Sandy Bisaro, GCF
Transboundary impacts of coastal risk and SLR on trade, Magnus Benzie, SEI
Global analysis of uncertainty in SLR and coastal impacts, Jeremy Rohmer, BRGM
The propagation of coastal flood damages through global financial networks under climate change, Jochen Hinkel (presentation not available, work in review)
What we will know about ice-sheets at the end of the PROTECT project, Gael Durand, CNRS

II. What do global users need?

WMO Climate Services, Erica Allis, WMO (presentation not available)
User Context: UNFCCC, Joanna Post, UNFCCC
Long-term critical infrastructure planning: the perspective of EDF, Paul-Antoine Michelangeli, EDF.

III. Next steps

See report

French SHF meeting on climate change adaptation

The INSeaPTION project was represented at the SHF Meetings:

"Coastline and climate change - Adaptation of coasts, ports and estuaries to climate change"

on 21 and 22 November 2019 in Marne-la-Vallée (France).


The presentation focused on the “Impacts of chronic flooding, considering sea-level rise, on the critical infrastructures (airports, harbours…) of French Polynesia Polynesia”. This work was carried out within the framework of the co-construction of the Coastal Climate Service n°1 (CCS1) set up in French Polynesia for the INSeapTION project.

One of the consequences of SLR is the possibility of recurrent chronic flooding (or “nuisance flooding"), occurring at high tide, under calm weather conditions. This is likely to disrupt economic activities depending on harbour, airport, industrial or commercial infrastructures located in low-lying areas. French Polynesia is the perfect example, considering that many major harbour or airport infrastructures are located at very low elevation above sea level.

This co-developed CCS1 is part of a participatory approach and is based on available reference data (e.g. high-resolution lIdar data, tide levels and vertical reference frames, etc.) and considers specific local case studies (airports, harbor docks, international and commercial trade terminals...).  It includes not only the communication of regionalized SLR data in French Polynesia (values ​​and timelines), but also the definition of critical SLR thresholds at different time scales, with users. This could help in determine the specifications to be applied in infrastructure design studies (lowest-highest elevations required, most sensitive areas, choice of technical engineering solutions, renewal of airport operating concession, with a current term of 30 years). CCS1 also highlights critical deadlines for maintaining high levels of protection against chronic flooding, and revealed needs that were not previously formalized. The interest of this CCS1 is based on the fact that he critical infrastructures technical operators/managers have helped the project team to identify information tailored to specific needs that can be mobilized within an operational framework.

Creocean’s tweet during the event:

Full presentation:

Resource (in French):


Conference proceeding (4p):  

Resource (in French):

11- MASPATAUD_et_al_SHF_Nov2019


If you are interested in the topic and further information, follow us on Twitter for more updates: @inseaption.


By: Maspataud Aurélie (BRGM) and Ouriqua Jehane (Creocean)


Publication of scientific article on Frontiers in Marine science


Terorotua H, Duvat VKE, Maspataud A and Ouriqua J (2020) Assessing Perception of Climate Change by Representatives of Public Authorities and Designing Coastal Climate Services: Lessons Learnt From French Polynesia. Front. Mar. Sci. 7:160. doi: 10.3389/fmars.2020.00160


Institutional actors have a crucial role in adaptation to climate change, especially for highly vulnerable territories such as small tropical islands.


Here, we emphasize their major role in the co-design of tailored coastal climate services (CCS) based on a case study of French Polynesia. In this perspective, we assessed climate change perceptions by public authorities and identified their needs with regard to climate-related science. This assessment included an analysis of the decision-making context, semi-structured interviews with practitioners representing 23 administrative divisions directly or indirectly involved in climate change issues, and a workshop dedicated to discussing needs in terms of CCS.


Generally, respondents did not identify climate change as a major current issue in French Polynesia; they showed more concern for economic growth, pollution, land tenure, and land use planning. However, interviewees were concerned about future impacts of sea-level rise (SLR) and ocean warming and acidification, mentioning in particular their detrimental impacts on marine ecosystems, shoreline position, economy (especially agriculture and the blue economy), and freshwater resources. The interviewed practitioners showed particular interest in SLR projections for future decades up to a century, and for knowledge on expected impacts to critical infrastructure, coastal systems, and natural resources.


Practitioners’ needs made it possible to co-define four CCS to be developed:

(1) the design of sea-level-rise compatible critical infrastructures (airports and ports);

(2) adapting to the risk of destabilization of beaches and reef islands;

(3) professional training on climate change impacts and adaptation, including an analysis of potentially emerging new jobs in the SLR context;

(4) the development of participatory approaches for observing climate change impacts.


While the co-development of these CCS will require a multiyear engagement of stakeholders concerned with climate change adaptation, our results already shed light on specific needs for salient CCS in highly vulnerable tropical island territories.


The scientific article “Assessing perception of climate change by representatives of public authorities and designing coastal climate services: lessons learnt from French Polynesia” has just published on the Frontiers revue. It is available on open access and it can be downloadable via this link:

Web map of sea-level projections

In response to the demand for easier access to sea-level projections, a web mapping tool has been produced within the ERA4CS INSeaPTION and ECLISEA projects:

The tool allow users to vizualize and download projections of sea-level rise over the 21st century, including projections of the 5th assessment report of the IPCC (Internal Panel on Climate Change) and low end projections ( It also includes interactive features allowing to produce user-defined scenarios based on assumptions on glaciers, ice-sheets, etc. The tool will be extended to include high-end projections as well as those from the Special Report of Ocean and Cryosphere (SROCC). 

The tool has been produced by our colleagues Robin Quique, Rémi Thiéblemont and Agnès Tellez-Arenas, with support from sea-level scientists from the INSeaPTION and ECLISEA projects, as well as from the WCRP Sea-Level Grand Challenge. It uses data made available by the Integrated Data Center at the University of Hamburg in Germany (available as NetCDF datasets at We are grateful to colleagues who shared their expertise to make this tool publicly available, especially colleaguies from the Universities of Hamburg, Utrecht and NIOZ. 


Synthesis of the September 2018 first Workshop on Global Climate Services in Haarlem is now available

The INSeaPTION global user workshop on climate services was organized on September 25th and 26th in Haarlem, Netherlands.


This report documents the outcomes of the first workshop on global coastal climate services of the INSeaPTION project held in autumn 2018. The workshop brought together 22 coastal experts and stakeholders from both the public and private sectors working within a range of different country contexts in order to identify a set of user needs that can potentially be translated into coastal climate services by the INSeaPTION project over the course of the next 2 years of project life.

To quickly synthesize this workshop on 25-26 September 2018:

  • Key climate services were identified along 3 different types:
  • Regarding decision-problems, in particular, long-term decisions, e.g. for siting and taking adaptation measures regarding critical infrastructure such as nuclear power plants, was found to be of great interest.
  • Regarding methods and tools, developing a methodology for attributing climate change and sea-level rise to coastal risk and adaptation was found to be of high interest in the context of current discussions on adaptation finance.
  • Regarding methodological guidance, support for developing SLR information to support in local decisions, particularly in developing country contexts, where data availability presents a significant challenge, was seen as a climate service of potentially high interest to be addressed within the project.
  • A reflection emerging out of the workshop is that further work should be undertaken to enrol decision-makers with a more global perspective on coastal adaptation, such as, adaptation finance actors under the UNFCCC or development finance decision-makers more broadly.
  • A key step in the next phase of the project will be to more narrowly define the set of key users and climate services, given the initial input of this first workshop.

Full synthesis report of the 25-26 September Global User Workshop in Haarlem (Netherlands)

Resource (in English):



By: Maspataud Aurélie (BRGM)

Co-design of four coastal climate services is beginning in French Polynesia

During the first workshop in French Polynesia, coastal climate services (CCS) proposals were co-designed with the workshop participants based on the main challenges highlighted by the stakeholders.

Heitea TEROROTUA, PhD student contributing to the development of coastal climate services in French Polynesia, is currently between Tahiti and Rangiroa until the end of February 2019. Her main objectives are to work with all the stakeholders in order to develop further the following four coastal climate services :

  • CCS 1 : Critical infrastructures and sea-level rise
  • CCS 2 : Destabilisation of high and low islands and adaptation strategies
  • CCS 3 : Professional training and new jobs
  • CCS 4 : Participatory science to support the observation of impacts

To this end, several meetings and workshops will be planned with the involved stakeholders. On February 2019, Aurélie Maspataud (BRGM) and Virginie Duvat (LIENSs) will join Heitea on Tahiti for the workshops that will be held in Tahiti.

Third INSeaPTION User Workshop: adressing the global case study

The third INSeaPTION User Workshop was held in Haarlem, The Netherlands, on Sept 25-26, 2018. The workshop provides a basis to identify key user needs of global users and potential scientific methods that INSeaPTION can develop and apply to address these needs. Global users refer to organisations with global concerns such as international organisations supporting development and adaptation, as well as to users whose activity is distributed in many places worldwide, so that the same type of sea level and impact and information is needed in many places.


22 participants from different organisations participated to the workshop. présentations from international organisations (OECD), coastal consulting or reinsurance companies (Royal Haskonning, Deltares, Munich Re), energy supply industry (Electricité de France) presented their views on future potential coastal climate services supporting their activies. Then, break-out groups further discussed needs of sea level and coastal impacts information to support adaptation of critical infrastructures (e.g. Thames River Estuary). The workshop was openened and concluded by Robert Nicholls, scientific Advisor of the INSeaPTION project. Three INSeaPTION project partners were involved in the organisation of this event: IMAU (Erwin Lambert and Roderik Van De Wal), GCF (Sandy Bisaro), and BRGM (Gonéri Le Cozannet).


 Links to présentations: 


Session 1 : The INSeaPTION project
Sea Level rise: state of knowledge: Roderik Van De Wal (no available PDF)
logo PDF INSeaPTION project introduction - Gonéri Le Cozannet
logo PDF Coastal impacts of sea-level rise: a global perspective - Robert Nicholls
logo PDF Case study: the Maldives: Sandy Bisaro
logo PDF Case study: French Polynesia:  Gonéri Le Cozannet


 Session 2: Global decision-making

Introduction to adaptation finance - Sandy Bisaro

logo PDF Public approaches to mobilising private adaptation finance; Lisa Danielson (OECD Climate Adaptation Team)
Decision-making from an engineering perspective; Filip Schuurman (HaskoningDHV) - (no available PDF)
Decision-making: global sea-level rise information needs; Eberhard Faust (Munich Reinsurance) - (no available PDF)


Session 3: National and local decision-making

Introduction -  Roderik Van De Wal

logo PDF Planning for an uncertain future in the Thames Estuary Tim Reeder (former Thames Estuary 2100)
logo PDF Climate services beyond sea-level rise for the French energy sector - Paul-Antoine Michelangeli (EDF)
logo PDF Decision-making for adaptation of the Dutch Delta -Marjolijn Haasnoot (Deltares)


Perspectives - Robert Nicholls (University of Southampton)          

Lessons learned for INSeaPTION Gonéri Le Cozannet


News written by: Sandy Bisaro, Erwin Lambert, Roderik Van De Wal, Gonéri Le Cozannet


Synthesis of the March 2018 User Workshop in French Polynesia is now available

The INSeaPTION workshop on coastal climate services was organized from 22 to 23rd March at the Art Conservatory in Papeete (Tahiti).

To quickly synthesize this workshop on 22-23 March 2018:

  • these two days gathered about 50 participants from 30 different (State or Territory) institutions or departments ;
  • it included 1 plenary session with presentations, 1 roundtable discussion and 2 thematic working groups with stakeholders ;
  • the workshop was organized by the project team made up of members of Créocéan-La Rochelle, UMR LIENSs (Univ. La Rochelle-CNRS), BRGM-Orléans, with strong support from local agencies in Polynesia in Créocéan-Pacifique and BRGM-Tahiti ;
  • this event helped in identifying the specific needs for scientific information and to define 10 tailor-made climate services for coastal adaptation in French Polynesia.

Key figures as a quick overview of the main outputs of the two-days workshop with Polynesian stakeholders:


Full synthesis report of the 22-23 March 2018 User Workshop in French Polynesia

Resource (in French):

logoPDF INSeaPTION Rapport de synthese worskhop mars 2018


Short synthesis of the 22-23 March 2018 User Workshop in French Polynesia

Resource (in English):

logoPDF INSeaPTION Short synthesis worskhop mars 2018



Hannover conference

We are happy to announce that two of our PhD students, Heitea Terorotua and Geronimo Gussmann, will present research they have conducted for INSeaPTION at a conference in Hannover.

The conference

Dealing with Climate Change on Small Islands: Toward Effective and Sustainable Adaptation?"

will take place in the Castle of Herrenhausen from the 25th to 27th July 2018.

The conference takes stock of climate change adaptation in SIDS (Small Island Developing States). Heitea will present a poster on "Assessing adaptation to climate change needs in French Polynesia" and Geronimo will present a poster on "Multi-Level Governance of Coastal Risks in the Maldives".

If you are interested in the topic and further information, follow us on Twitter for more updates: @inseaption.

Second User Workshop in French Polynesia

INSeaPTION starts with analysing and understanding the user needs in terms of coastal climate services using sea level projections. Since early March 2018, a number of meeting have been organised by the INSeaPTION project partners in French Polynesia, namely CREOCEAN, the University of La Rochelle and BRGM. These meetings included:  
  • Individual interviews with stakeholders from 28 February to 31st March, by Heitea Terorotua (PhD student at CREOCEAN in charge of the social science surveys in Polynesia).
  • Official meetings, from 13th to 23rd April, including the Government of French Polynesia, the High Commission of the French Republic, the Assembly of French Polynesia as well as other public and private stakeholders concerned with sea level rise and its impacts in Tahiti and Rangiroa, an atoll island in the Tuamotu archipelago
  • A workshop on coastal climate services organised from 22 to 23rd March at the Art Conservatory in Papeete (Tahiti).

These two days gathered about 50 participants and included presentations, roudtables and discussions with stakeholders. They helped identifying specific needs for coastal climate services and their potential use in decision making in French Polynesia. This includes scientific information to assess regional indicator in relation to the sustainable development goals, dedicated services for critical infrastructures, beaches and low island habitability as well as needs for mutual exchanges of knowlege, professional training and sharing feedbacks on various coastal adaptation practices.

These workshops and consultation have been made possible owing to the dedication of our partners in Polynesia, especially the CREOCEAN and BRGM offices in Tahiti (Esther Mercier, Julien Guillet and Pauline Corbier) as well as volunteers who helped preparing the room and welcoming attendees in the Polynesian way. We thank Esther, Jonathan, Anais, Heremoana, Vai and Arii for their support to this event.

Présentations and exchanges with stakeholders during the 2nd user workshop in Polynesia

Resources (in French):
logo Arcobat pdf  INSeaPTION project presentation    
logo Arcobat pdf Sea level projections in Polynesia    
logo Arcobat pdf Shorerline changes    
logo Arcobat pdf Coastal flooding modeling    
logo Arcobat pdf Preliminary results from the stakeholders survey    

By: Le Cozannet Goneri (BRGM) and Maspataud Aurélie (BRGM)

First user workshop

INSeaPTION News First User Workshop Maldives

First user workshop in the Maldives 11.02.18 – 17.02.18


During the first user workshop of INSeaPTION in the Maldives, the team has met with multiple stakeholders from the national government, local communities, academia and oceanographers, to start the process of co-developing coastal climate services for the Maldives.

In close cooperation with the Climate Change Department of the Ministry for Environment and Energy, user needs and current practices in coastal protection and adaptation have been discussed. Close attention was paid to identify the needs of policy-makers and coastal planners regarding coastal flood and erosion risk. Here, current decision-making processes and governance frameworks were discussed and the necessity to incorporate sea-level rise projections and information on biophysical impacts was highlighted. Already, concrete user-needs have crystallized.

First, the need for science based decision-making criteria for the allocation of resources for coastal adaptation was emphasized. As of now sea-level rise projections and shoreline dynamics have not been fully integrated in this decision-making process.

Second, users in the Maldives underlined the need to include sea-level rise projections in risk assessments for individual islands. Here, they are facing the challenge to distinguish between risk attributable to sea-level rise and other processes. This is especially important in the context of current discussions on international adaptation finance.

Additionally, the team has initiated discussions to share knowledge and build capacity in the course of the project. Here, especially first-hand experiences during a visit to the island of Fulidhoo in Vaavu Atoll were fruitful. Seeing the problems local communities face again underscored the urgent need for co-developing coastal climate services tailored to the need of decision-makers and local planners.

The first workshop thus gives an important input in the next phase of work in the INSeaPTION project. The project team is looking forward to developing the scientific work based on the identified needs of the Maldivian users. The team would like to sincerely thank the Maldivian Users for their time, commitment and hospitality. We anticipate a fruitful and rewarding collaboration in this exiting and unique project. Baraabaru!

Follow us on Twitter @inseaption for updates on coastal climate services in the Maldives and the upcoming first user-workshop in French Polynesia.

BY: Geronimo Gussmann (Global Climate Forum), Sandy Bisaro (Global Climate Forum) et Erwin Lambert (University Utrecht).

First INseaPTION kick-off meeting

The kick-off meeting of the INSeaPTION project has taken place in Paris, on 8-10 November 2017


The project partners have officially launched the INSeaPTION project in Paris on 8 to 10 November 2018. The starting point of the discussion was the analysis of the decision context of adaptation practitioners, as well as the practical organization of the co-design of coastal climate services in the 3 case studies (Global, Maldives and French Polynesia). Furthermore, the participant shared knowledge regarding sea level rise, extreme water levels and wave, shoreline changes and coastal risks as well as the social and economic dimension of adaptation. The meeting gathered 18 scientists and engineers from the Global Climate Forum (Germany), CREOCEAN (France), the Universities of La Rochelle (France), Utrecht (The Netherlands), of Balearic Islands (Spain) as well as BRGM. The next milestone of the project will be a first set of stakeholders workshops in the two regional case studies (Maldives and French Polynesia). These workshops are scheduled in February and March 2018.

We thank all the participants to this meeting and those who could not attend for their commitment in the preparation of these workshops.

BY: Le Cozannet Goneri (BRGM)

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