Oceans & marine

Ocean

Great Barrier Reef, Queensland, Australia.

Year: 2020


Photographer: Giorgia Doglioni (edited by Frameworks)


Cape Petrel (Daption capense), Antarctic Peninsula

The Cape Petrel, also called Cape Pigeon, is one of the most common seabirds of the Southern Ocean and around Antarctica. They have an estimated population of around 2 million. Cape Petrels feed mainly on crustacean, including krill, and are often seen following ships.

Year: 2016


Photographer: Peter Prokosch

Reflective foams and bubbles on oceans

Sea water has a low albedo of around 0.1 and therefore absorbs most of the incoming solar energy. Since water covers over two thirds of the Earth’s surface, changes to this albedo can potentially cause significant changes in global temperatures.

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A seagrass seascape view

Year: 2012


Photographer: Dimitris Poursanidis

Enhancing oceanic light availability below the photic layer

Ocean bioproductivity through photosynthesis stops beyond the photic layer as no more energy from the sun can penetrate beyond that point.

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Fishermen in Zanzibar

Fishermen in Zanzibar, Tanzania

Year: 2016


Photographer: Rob Barnes

Promoting ocean calcifiers to sequester atmospheric carbon

Biotic processes play an important role in oceanic carbon uptake, with most attention going  to carbon-consuming photosynthesising organisms. Moore et al. (2023) argue that the potential role of shellfish and other calcifiers in carbon sequestration is significantly overlooked in the CDR literature.

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River Ölfusá just North of Selfoss, South Iceland

The Ölfusá is Iceland's largest river in terms of volume (average flow of 423m3/s) and has major importance for the local salmon fishing industry.

Year: 2013


Photographer: Peter Prokosch

River Liming

The pH of water is lowered when it takes up atmospheric carbon. Given that the Earth’s oceans serve as a major carbon sink, there is increasing interest in the possibility to artificially increase the alkalinity of water to restore pH to previous levels, and/or increase carbon uptake potential.

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Fishing boat in between icebergs, Disco Bay, Greenland

The loss of ice in Greenland and the shrinking of glaciers in other parts of the Arctic currently contribute up to 40% of the average 3 mm global sea level rise per year. A number of studies suggest that Greenland could be a major contributor to a potential rise in sea levels of 0,5 to 1 meter by the end of the century.

Year: 2013


Photographer: Peter Prokosch

Improved fishing practices and management

Fisheries contribute to global CO2 emissions by the extraction of fish, disturbance of coastal and oceanic blue carbon ecosystems, and the use of fossil fuels as their main energy source. Fishing vessels are moreover a major source of short-lived climate forcers like black carbon (McKuin and Campbell 2016), which can have a major effect in Arctic and Northern regions (see Black carbon reduction).

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