Sargasso Sea
The Sargasso Sea is a distinctive region of the North Atlantic Ocean, known for its calm, almost motionless waters and its dense accumulation of floating seaweed, primarily sargassum. In Jules Verne's Twenty Thousand Leagues Under the Sea, this sea is not merely a geographical location but a symbolic space that embodies the ocean's role as a repository of history and a site of natural processes. The Nautilus enters this region on February 22, and its passage through the Sargasso Sea offers a unique opportunity for observation and reflection on the sea's nature as a living archive and a self-contained ecosystem.
Definition and Natural Phenomenon
The Sargasso Sea is defined by its stillness and its floating vegetation. The name derives from the Spanish word "sargazo," meaning gulfweed. The sea is formed by the circular motion of the Gulf Stream, which creates a central area of calm water where floating debris and seaweed accumulate. Commander Maury, a noted oceanographer, is cited in the narrative to explain this phenomenon: "if bits of cork or chaff, or any floating substance, be put into a basin, and a circular motion be given to the water, all the light substances will be found crowding together near the center of the pool, where there is the least motion. Just such a basin is the Atlantic Ocean to the Gulf Stream, and the Sargasso Sea is the center of the whirl." This explanation frames the Sargasso Sea as a natural vortex, a place where the ocean's currents conspire to gather and hold whatever floats upon them.
The Nautilus's Passage and Observations
The Nautilus's journey through the Sargasso Sea is marked by caution and wonder. Captain Nemo, wary of entangling the propeller in the thick weed, keeps the submarine at a depth of several meters below the surface. From the lounge windows, Professor Aronnax observes a "genuine prairie, a tightly woven carpet of algae, gulfweed, and bladder wrack so dense and compact a craft's stempost couldn't tear through it without difficulty." Above the submarine, amidst the brown weeds, float objects from all over the world: tree trunks from the Rocky Mountains or the Andes, carried by the Amazon or the Mississippi, and numerous pieces of wreckage, remnants of keels and undersides, weighed down by seashells and barnacles. This collection of debris transforms the Sargasso Sea into a vast, floating museum of the world's castoffs.
The Sea as a Natural Archive and Coalfield
The Sargasso Sea is presented as a place where the ocean's history is physically preserved. The accumulated organic matter and wreckage are not merely floating; they are part of a long-term geological process. The narrative suggests that over centuries, this material will be turned to stone by the action of the water, forming inexhaustible coalfields. This idea positions the Sargasso Sea as a natural archive, a place where the past is slowly transformed into a future resource. The passage through this region thus becomes a meditation on time, decay, and the cyclical nature of matter, reinforcing the novel's theme of the sea as a self-sufficient, all-encompassing world.
Thematic Significance
The Sargasso Sea serves as a powerful symbol within the novel's broader exploration of the ocean's mysteries. Its stillness contrasts with the dynamic, often violent, adventures elsewhere in the narrative. It is a place of accumulation and preservation, where the ocean's role as a final repository for all things is made visible. The sight of the floating wreckage and the promise of future coalfields underscores the sea's dual nature as both a graveyard and a cradle of new life and resources. For Professor Aronnax, the Sargasso Sea is a place of profound scientific and philosophical reflection, a living embodiment of the ocean's power to collect, transform, and ultimately reclaim all that enters its domain.

