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Autumn Show 2023
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A New Cycle of The Fleet: Relinking Algae into a New Landscape Biological System

Project details

Student Xinyue Gao
Programme
Design Studio Design Studio 5
Year 2

The Fleet Lagoon, Dorset, faces a variety of complex runoff pollution issues, caused by agricultural and livestock runoff pollution to the west, and to the East, intensive sewage treatment sites and human activity have led to large-scale overuse of chemical fertilisers.

These factors combined have led to serious algal blooms in the lagoon each summer since 1994. A New Cycle of The Fleet aims to rebuild the water quality of the Fleet Lagoon in different areas, through the reconstruction of wetlands and ecological habitats.

The project aims to restore water quality and explores algal blooms’ impact on biodiversity. Is algae just ecological fertiliser, or can we think of such pollution as a beautiful, interactive, seasonal space to alert people to the dangers of sewage in Dorset? While bright green is used as a warning colour, the project envisions creating an educational water-recycling landscape that demonstrates water purification and encourages visitors to participate in the recycling of algae, teaching people how to live with algae and how to deal with the harm of water pollution.

Sewage holding tanks are the first step in a new water cycle system. Sewage is pumped into the area, creating a hard landscape that is visible from above. Constructed wetland is an important water purification plant buffer surrounded by green algae.

Perspective View: Sewage Treatment Tanks

Sewage holding tanks are the first step in a new water cycle system. Sewage is pumped into the area, creating a hard landscape that is visible from above. Constructed wetland is an important water purification plant buffer surrounded by green algae.

This image shows the axonometric details of the hard landscape: a huge green algal pool surrounded by heavy vegetation, where people and algae live together in a space where they can't see the algae, but with the plants, forming an algae maze.

Axonometric View of Sewage Treatment Tanks

This image shows the axonometric details of the hard landscape: a huge green algal pool surrounded by heavy vegetation, where people and algae live together in a space where they can't see the algae, but with the plants, forming an algae maze.

High rate algae ponds perform the primary function of sewage purification. This axonometric view shows the details of the algae pond, and the multi-level pathways providing different views of the algae.

Axonometric View of High Rate Algae Pond

High rate algae ponds perform the primary function of sewage purification. This axonometric view shows the details of the algae pond, and the multi-level pathways providing different views of the algae.

Visitors will be encouraged in the collection and movement of algae which is dried in the algae pit. The dry algal biomass is collected by farmers, which can be used as a healthy ecological fertiliser and used in future agricultural activities.

The View of Algae Collecting Pits

Visitors will be encouraged in the collection and movement of algae which is dried in the algae pit. The dry algal biomass is collected by farmers, which can be used as a healthy ecological fertiliser and used in future agricultural activities.

The model shows the key layers of the proposal; the basins, groundwater systems and the network of access routes. The design transitions from hard to soft and natural landscape as it draws closer to the Fleet as well as water levels becoming cleaner.

The Layer Model

The model shows the key layers of the proposal; the basins, groundwater systems and the network of access routes. The design transitions from hard to soft and natural landscape as it draws closer to the Fleet as well as water levels becoming cleaner.

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The Bartlett
Autumn Show 2023
26 September – 6 October
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