Hydrosphere

The Hydrosphere group in the GEO Department monitors sea level rise, sea surface anomalies, and water level changes in lakes and rivers using satellite altimetry and in-situ data.   

Water surface slope (WSS) of river reaches in China from ICESat-2. Credit: Linda Christoffersen.
GNSS-IR at the NGFJ GNET station. Credit: Christian Solgaard.
Bathymetry in the North Atlantic. Credit: Bjarke Nilsson.

On our website, you can explore the research carried out by our group, browse our latest publications, and access a wide range of datasets. You can also learn more about our teaching, student supervision, and other educational activities.

Research Areas

Explore ongoing research activities and publications

Student activities

Browse B.Sc., M.Sc., and Ph.D. projects from our group  

Datasets

Access our dataset

Contact

Ole Baltazar Andersen

Ole Baltazar Andersen Professor

Per Knudsen

Per Knudsen Professor

Karina Nielsen

Karina Nielsen Senior Researcher

Carsten Bjerre Ludwigsen

Carsten Bjerre Ludwigsen Postdoc

Linda Christoffersen

Linda Christoffersen PhD student

Bjarke Nilsson

Bjarke Nilsson PhD Student

Simon Jakob Köhn

Simon Jakob Köhn

Sara Nielsen Jensen

Sara Nielsen Jensen Research Assistant

Rasmus Lørup Arildsen

Rasmus Lørup Arildsen Research Assistant

News

18 November 2025

ESA EO4Society webstory

Surface ocean circulation in the Arctic revealed in unprecedented detail by SWOT

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