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CEN - Center for Earth System Research and Sustainability
Centerfor Earth System Research and Sustainability (CEN)

Photo: UHH/CEN/Marcel Ruhnau

Presse, Outreach

Research aircraft HALO

With the research aircraft HALO ("High Altitude and Long Range Research Aircraft"), CEN scientists are studying the earth's atmosphere and clouds. HALO is owned by the German Aerospace Center.

30 November 2022|Research

Clouds Less Climate-sensitive Than Assumed

Blick aus Flugzeug auf Cumuluswolken

Photo: MPI-M

Cumulus clouds in trade-wind regions cover nearly 20 percent of our planet, producing a cooling effect. Until recently, it was assumed that global warming would reduce the surface covered by these clouds, amplifying the warming. However, a team around Dr. Raphaela Vogel from Universität Hamburg...

18 March 2022|Research

Dramatic warming in the Arctic – HALO-(AC)3 field campaign investigates a worrying phenomenon

Sideview of the Halo Aircraft in the sky / Seitenansicht des Halo Flugzeuges im Himmel

Photo: YouTube/HALO-(AC)³

In mid-March 2022, the large-scale international HALO-(AC)3 research campaign will begin investigating transformations of air masses in the Arctic. Three German aircraft will be deployed, scientists from the UK and France will also be involved during joint flights with two further aircraft. The...

16 January 2020|Research

Climate factor clouds — the field campaign “EUREC4A” intends to answer one of climate sciences great mysteries

Forschungsflugzeug HALO am Boden

Photo: UHH/CEN/H. Konow

On 20 January 2020, the almost six-week field study EUREC4A (Elucidating the role of clouds-circulation coupling in climate) will start. It aims at validating theories on the role of clouds and convection for climate change through extensive measurements in the atmosphere and ocean.  In...

17 September 2019|Interview

Getting Closer to the Clouds with HALO

Wolken mit einem Flugzeugflügel im Vordergrund

Photo: UHH/CEN/H. Konow

Heike Konow explores one of the last great mysteries of our climate system: the clouds. To do so, in several campaigns over a period of three years she and her colleagues investigated the sky over the North Atlantic – on board the research aircraft HALO, which took off from Iceland and...
7 February 2014|Forschung

NARVAL North: Cloud expedition successfully completed

View from aircraft window: Cloud field

Photo: UHH/CEN/F. Ament

The cloud expedition “NARVAL North” has provided important information about weather phenomena in North Atlantic low-pressure areas. The review of the collected data ...