Thesis Final Presentation

Page 1

STEPHANIE BRACONNIER _06-06-2011


1. PROJECT CONTEXT 2. THEORY 3. PROPOSAL 4. POSTER


THE CITY LAKES

SORTEDAMS SØ

PEBLINGE SØ

SANKT JORGENS SØ


URBANNATURE HOW CAN URBAN PUBLIC SPACE BE COMBINED WITH A PRODUCTIVE AND SELF-SUSTAINING, NATURALIZED EDGE TO CREATE A NEW MEANING OF NATURE IN THE CITY?


OU

TH

SO RT ED AM S

LA KE

NO RT H

CONTEXT

Outflow to Ørstedsparken, Botanic Gardens, and Øster Anlæg

Current inflow/outflow of water through piped streams

SANKT JØRGE

Inflow from Utterslev Mose and Emdrup Sø

NS LAKE

PEB L

ING

E LA

KE

SO

RT E

DA M

SL

AK

ES

1723 - Lakes are dammed for use as water reservoir and defense strategy


CONTEXT


CONTEXT

The city lakes as a recreation area. View Over Lake Sortedam Christen Købke, 1838

The city lakes were used as a promenade and meeting place long before the paths were formalized. Følg med. Fra Dosseringen i København Laurids Andersen Ring, 1884


CONTEXT

The current paths and slopes of the city lakes were implemented by city architect Poul Helsøe in 1929


CONTEXT

Constructed edges on the top three basins of the city lakes

Natural edges on Sankt Jørgens Lake


CONTEXT

Sankt Jørgens Lake

Peblinge Lake


CONTEXT HISTORICAL USE

CURRENT USE


CONTEXT

Long edges, relatively steep slopes, and no where to stay.


CONTEXT

The water edge could be a habitat for wildlife, but it is homogeneous and unproductive.


CONTEXT

ECOLOGICAL

FUNCTIONAL

1. ANTI SOCIAL SEATING

2. MISUSED SPACE

3. HARD, DEEP EDGES

4. UNSTABLE ECOLOGY


AIM + PRECEDENTS

AIM > PROVIDE A MORE NATURALIZED EDGE to restore diversity and support the stability of the lake ecology Public Spaces in Perello - Manuel Ruisanchez

> GIVE A PLACE TO STAY on the lakes to establish the edges as both good urban space and as recreational paths through the city > ENHANCE THE EXISTING ACTIVITY rather than add new program > DEVELOP A CONTEXT SENSITIVE DESIGN that maintains and refines the characteristic qualities of the lakes to create a better urban nature

Cala Calafato Footpaths - Manuel Ruisanchez


THEORY

+

=

?


THEORY


micro-scale

urban planning ‘planned’ ‘unplanned’


‘unplanned’ DOES NOT MEAN disordered OR disfunctional... ...IT IS SAID TO BE emergent.


la ville radieuse, 1930

paris ca. 1400

planned

unplanned

complicated

complex

contrived order

natural order


THE DIFFERENCE BETWEEN ‘planned’ AND ‘unplanned’ IS THE SCALE AT WHICH THEY ARE DESIGNED, THAT IS, THE SCALE AT WHICH systematic order PRESIDES


order without a plan. the INTERACTIONS of INDIVIDUAL ELEMENTS may themselves be UNCOORDINATED or CHAOTIC, but the OVERALL PATTERNS are RECURRING and FAMILIAR.


natural order complex local, incremental micro scale “unplanned�


patterns in complexity The COMPLEXITY found in cities comes from the INTERACTION AND RELATIONSHIPS between the DIFFERENT PARTS at DIFFERENT SCALES, OVER TIME.


nature is interconnected Nature is composed of COMPLEX, INTERRELATED webs of relationships called ‘ECOSYSTEMS’


ecosystem THE ORDER OF THE WHOLE arises from INTERACTIONS BETWEEN THE PARTS. eco + “oikos” + “house” +

system “systema” “interacting components”


second nature “In the urban context, greenery attempts to fill an intuitive void--the absense of nature.�


“It is possible to reintroduce a performative ‘second nature’ in which ecological relations, water management, and microclimate become part of the engineering of the city.”


“‘Second Nature’ refers to a designed nature in adjacency to existing urbanization, capable of absorbing future growth while maintaining ecological systems.”


SITE


SORTEDAMS LAKE SOUTH


SORTEDAMS LAKE SOUTH > Proposal for new edges

PLATFORMS > Small scale public space along the edge FISH ISLAND

WALL + TERRACE > New public space on the water

NATURALIZED EDGES > Constructed Littoral Zones


NATURALIZED EDGES > Constructed Littoral Zones

“Frogs, toads and the occasionally odd shorebirds passing through all prefer SHALLOW AND WARM WATER. Therefore southwards slopes of zero to 50cm of water (depth) over up to five meters – also called SLOPES 1:10 – ARE MUCH PREFERRED BY THE NATURAL INHABITANTS OF LAKES. The bottom can vary from coarse gravel to fine clay. In one or two years wetland plants and submerged plants will inhabit parts of the shallow waters...” Jan Pedersen, M. Sc.Biology Danish Nature Conservation Society


NATURALIZED EDGES > Existing Habitat Restoration

“...One of the really big problems of these lakes is the LACK OF A NATURAL OR AT LEAST SEMI-NATURAL LITTORAL ZONE... We did experiments on this and based on the results, a few low-water habitats were constructed.

Of course, the total area of habitat created is just a ‘drop in the ocean’ compared to a natural lake, and MUCH MORE WOULD BE A GREAT IMPROVEMENT FOR PIKE AND FOR THE LAKE ECOSYSTEM IN GENERAL. With the amount (of habitat) available now we are not convinced that a viable fish population will be able to exist in the long run.” Christian Skov and Søren Berg, Department of Inland Fisheries, Institute of Aquatic Resources Technical University of Denmark


NATURALIZED EDGES > Priority Littoral Zone Creation


NATURALIZED EDGES > Infill on existing edge

EXISTING CONSTRUCTED EDGE

SLOPE 1:10 OVER 5-10m CLAY/SILT INFILL CLAY SOIL


NATURALIZED EDGES > Productive Second Nature

> Crested Grebe

> Mute Swan

> Coot

> Mallard Duck

> Macrophytes

> Natter Jack Toad

> Pike Fry

> Zooplankton


WALL > Adaptable seperation from the street

PLATFORMS > Small scale public space along the edge

TERRACE > Unfolding new relationships to the water FISH ISLAND > Reflecting on the city from nature


SORTEDAMS LAKE SOUTH > Wall as schematic proposal


PROPOSAL - EAST SIDE > Wall as schematic proposal

> Remove steep, unusable slope

> Retaining wall for seperation + stability

> A new, usable edge


PROPOSAL - EAST SIDE > Wall as schematic proposal

> Wall as seperation

> Local traffic only, extension of public edge

> Extension of private gardens


PROPOSAL - EAST SIDE > Wall as schematic proposal


PROPOSAL - EAST SIDE > Terrace as context-specific public space


PROPOSAL - EAST SIDE > Terrace as context-specific public space


PROPOSAL - EAST SIDE > Terrace as context-specific public space


PROPOSAL - EAST SIDE > Terrace as context-specific public space


PROPOSAL - EAST SIDE > Terrace as context-specific public space

> Diverting the path to change the view

> Terrace oriented towards the sunset

> Interaction with the water


PROPOSAL - EAST SIDE > Wall and Terrace


PROPOSAL - WEST SIDE > Platform as adaptable strategy

PLATFORMS > Small scale public space

FISH ISLAND BRIDGE + PLATFORM > A place to connect city + nature


PROPOSAL - WEST SIDE > Platform as adaptable strategy

private gardens walk shallow zone


PROPOSAL - WEST SIDE > Fish Island platform

NEW ROOM


PROPOSAL - WEST SIDE > Fish Island platform


PROPOSAL - WEST SIDE > Fish Island platform

> Winter fire


PROPOSAL - WEST SIDE > Platform as adaptable strategy


PROPOSAL - WEST SIDE > Platform as adaptable strategy


PROPOSAL - WEST SIDE > Platform as adaptable strategy


PROPOSAL - WEST SIDE > Platform as adaptable strategy


PROPOSAL - WEST SIDE > Platform as adaptable strategy


PROTOTYPICAL EDGE > An edge with positive space for people and nature


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