Antarctica is both a setting for long-duration climate research and part of the novel’s wider geography of polar waters, where scientific instruments reach into environments that ordinary human perception cannot readily interpret.

Research in Antarctica

Gerhard Bohrmann tells Sigur Johanson that he has just returned from Antarctica after nearly eight months at sea. His work there included delivering scientists and technicians who would remain through the winter at a research station. They had begun work in December, extracting ice cores from a depth of 450 metres. The cores matter because ice of that age can preserve evidence about climate over the preceding 7,000 years. Antarctica thus enters the story not simply as a distant destination but as an archive: a place where physical layers allow researchers to reconstruct environmental history.

Bohrmann’s account also places this research within the routine demands of field science. After docking, he received Johanson’s call; his return from a lengthy expedition coincides with the beginning of another planned voyage, this time to cold seeps in the Aleutian subduction zone. The contrast links Antarctic climate research to the novel’s broader investigation of the ocean and its changing systems, without suggesting that the station’s work itself discovers the crisis.

Ice, shelves, and the unknown ocean

The novel situates Antarctica within a planetary geography in which large landmasses continue underwater as continental shelves. These comparatively shallow margins can extend a short distance offshore or run for hundreds of kilometres before descending toward the ocean floor. Beyond the shelf lies a realm described as more mysterious to science than outer space. This distinction gives the Antarctic setting a double significance: its ice can provide a remarkably long climate record, while the deeper marine world around the planet remains difficult to know.

Human settlement and infrastructure are concentrated near coasts and on accessible shelves, whereas the depths resist ordinary observation. The book’s account of polar water reinforces that divide. In the Arctic, the north Pacific, and parts of the Antarctic, low concentrations of chlorophyll leave the water blue rather than green. As a submersible descends, the familiar sky-like blue gives way to darkness; below the surface, sight and the inner ear cease to offer reliable bearings, and the depth gauge becomes essential. Antarctica is therefore associated with both the value and the limits of scientific knowledge: ice cores make ancient climate legible, but the polar ocean remains an alien space whose scale and conditions unsettle human perception.

Narrative significance

Antarctica’s role is brief but connective. The ice-core research establishes a concrete method for reading past climate, while the novel’s accounts of continental shelves and polar descent broaden that method into a question of how much of the planet can be observed or understood. Scientific work reaches into remote environments through ships, stations, and instruments, yet its findings do not make those environments familiar or fully controllable. The contrast between a legible archive in the ice and an obscure world below the water helps frame the book’s larger tension between human knowledge and oceanic processes that exceed it.