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Sea-level changes over timescales from minutes to millennia are of great concern to coastal communities. Long-term changes in sea level due to the solid earths response to glaciation and tectonics are the background rate upon which the hazard from anthropogenic sea-level change and extreme inundation from tsunamis and storms must be superimposed. Short-term measurements from instrumental and historical records provide short glimpses at the hazard posed by sea-level change over varying temporal scales but must be placed within the long-term context that only geological and archaeological records provide.

This project will provide a platform for the development of integrated records of sea-level change and coastal hazards obtained from instrumental, historical, archaeological, and geological records. This project will place a particular focus on integrating disparate records in growth regions for science, namely in Africa, South America, and the Middle East, expanding upon previous coastal (495, 588) and delta projects (475) that focused for the most part on Europe and Asia. Further, this project expands upon the research theme of project 588 that focused on the impacts of humans on coastal landscapes. This project will result in a coastal hazard toolkit that can be applied by those most at risk from future coastal inundation.

First project meeting:

The first project meeting was conducted in Muscat, Oman, from the 9th til the 14th of November 2016. Dr. Gösta Hoffmanns research group and students from Bonn University were actively involved in organizing and conducting the conference.Almost 50 participants from 20 countries gathered at GUtech University in Muscat and presented their ongoing and current research in the field of coastal geology, sea-level changes and numerous neighboring disciplines. We are happy that a great number of renowned scientist joined the conference and  contributed with presentations, talks, posters, fruitful discussions and great expertise in the field.The conference was completed by a very successful 3 day field trip, dealing with the coastal geology and geomorphology, coastal hazards and archeology along the coastline of Oman.

 A short video about the conference

 IGCP Group picture



Other impressions from IGCP fieldwork and team members:

Oman Field Work

IGCP Field Trip 2016

IGCP Project leaders Gösta Hoffmann and Alar Rosentau


  • ORG/GUTECH/EBR/14/014: Quaternary sea-level changes in Oman, 04.2015-03.2018 

Understanding the local, regional, and global effects of sea-level change will remain at the forefront of scientific research for decades to come as coastal communities are increasingly exposed to the threat from instantaneous and long-term sea-level rise.

This projects aims at the quantification of sea level related long-term changes at the coastline of Oman. We propose a holistic high-resolution study that allows evaluating the vulnerability of the coastal areas, the communities as well as the infrastructure in terms of future changes.

Long term changes in sea-level due to solid earth’s response to climate changes as well as tectonics are the background rate upon which the hazard of anthropogenic sea level change and extreme inundations from tsunamis and storms must be superimposed. Instrumental records of sea-level rise provide unmatched resolution when investigating modern coastal hazards. However, the short time series obtained from such data likely miss the largest and lowest frequency events that are critical for understanding the maximum possible hazard. Hence, the only way to overcome this shortage is to study the geological record as proposed here.

Only this approach gives us the ability to understand hazard over timescales of centuries to thousands of years. Instrumental and geological data must be coupled to develop the necessary holistic view. Historical and archaeological records further help to connect these temporally disparate records.

 Oman Field Work 2

 Drone Survey