Jessie Lin | UW | MLA2024 | Capstone Project

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COOLING FUTURE

Mitigate Urban Heat Island Effect in Northgate, Seattle, Washington

Jessie Lin | 2024 UW Landscape Architecture | MLA Capstone Studio

In response to the escalating Urban Heat Island (UHI) effect, exacerbated by climate change, this project introduces the "Cooling Future Network" in Northgate, Seattle. By strategically employing a combination of green, blue, and grey infrastructures, the network aims to significantly mitigate urban heat.

The Cooling Future Network will initially launch near Northgate's Link and bus stations, a strategic location that ensures maximum accessibility and provides immediate heat relief for daily commuters and local residents. This initial phase aims to transform the local environment, enhancing both environmental and social justice, with the potential for expanding the network throughout Northgate and Seattle, as well as be transferable to other cities.

Contents

SITE

DESIGN

COOLING

Seattle

------------------------------------------------------------
ANALYSIS
FRAMEWORK
-------------------------
& PRECEDENTS
FUTURE TOOLKITS ---------------------------------------
PLAN ------------------------------------------------------------
SCENARIO ----------------------------------------------------DETAIL DESIGN - POCKET PARK ----------------------------------DETAIL DESIGN - ROOF GARDEN & FARMERS MARKET --ONE HEALTH FUTURE (VIGNETTE & MODEL) ----------------1 2 3 4 5-6 7-8 9-10 11-12
MASTER
FUTURE
source: google map
Northgate,

Heat-related

by

“The 2021 heat wave included Seattle weather station recordings of 102 degrees on June 26, 104 degrees on June 27, and 108 degrees on June 28.”

“a three-day heat wave killed more than 30 people in King County, the highest number of deaths from climate-related disasters in the region's history.”

HEAT ZONES HEAT WAVES CAUSE DEATH

Rooftop without green

Northgate Mall Highway I5 Northgate Station Afternoon Temperature 85° 90° 95° Year 8 DAYS in 2021 Northgate Mall Highway I5 Northgate Station CLIMATE INJUSTICE IN NORTHGATE Children&Senior
2010 2015 2005 2002 2020 0 2 20 40 60 80 Death Count 0 0-17 18-44 45-64 65-79 80+ Age Group Mall Northgate Station
deaths
age
King
in
County
Street without canopy Parking lots without canopy Future Northgate Source: Simon Property Group Photo by Julie Johnson all data & image source all data & image source

COOLING FUTURE

Mitigate Urban Heat Island

ENVIRONMENTAL JUSTICE SOCIAL JUSTICE

ONE HEALTH CLIMATE JUSTICE

Health Environmental Health

Health

The project introduces the "Cooling Future" concept, aimed at enhancing environmental and social justice to ultimately achieve climate justice. Through this approach, the initiative seeks to realize the benefits of "One Health," encompassing environmental, human, and animal health, fostering a more sustainable and equitable urban environment.

City Scale Precedent

Singapore - Network of green corridors to mitigate Heat Island Effect

Singapore provides a strong example of how integrating green networks can help mitigate Urban Heat Island effects. The city uses green corridors to connect large parks like the 155-acre Bishan Park, which is up to 3 degrees cooler than nearby residential areas. These corridors enhance city cooling, increase biodiversity, and improve air quality. This method shows how effectively green spaces can be woven into urban planning, offering lessons on expandability, integration, and the wide-ranging benefits to the environment, society, and health.

Neighborhood Scale Precedent

Stuttgart - INTERESS-I project: Urban blue-green infrastructures for combating the Heat Island Effect

The INTERESS-I project aims to combat the Urban Heat Island effect in cities like Stuttgart and Frankfurt am Main by enhancing urban design. This initiative focuses on tailoring city structures to better suit climate conditions, water availability, and access to green spaces. It plans to expand both blue and green infrastructures, improving water management and increasing green areas such as parks, roofs, and walls. These changes not only help cool the city by providing shade and lowering surface temperatures but also boost overall environmental health and sustainability.

Toolkits Precedents

all data & image source DESIGN FRAMEWORK PRECEDENTS
Animal
Human
Drinking
Cooling Pavement Pocket Park Rain Garden Green Wall
Permeable Pavement Green Canopy
Fountain Green Rooftop Pocket Park Evergreen Tree Green Corridor Green Wall Green Canopy Green Rooftop Permeable Pavement Reflective Painting Cooling Pavement Water Fountain
COOLING FUTURE TOOLKITS
Drinking Fountain Rain Harvest (Garden)

MASTER

COOLING
Pocket Park Roof Garden Farmers Market Link Cooling Pavement Green Canopy Green Roof Pond Existing Green Proposed Green 50ft 150ft 450ft N 1 2 3 1 2 3 Hubbard Homestead Thornton Creek Barton Woods Community Center Public Library Highway I-5 1st Ave NE Bus Station Bus Station 5th Ave NE NE 103rd St NE Northgate Way NE 100th St 3rd Ave NE North Seattle College John Lewis Memorial Bridge P-patch
PLAN: FUTURE
NETWORK
PRESENT 10
Source: Google earth Source: Google earth
YEARS 20 YEARS Source: Google earth
Bike Lane Walking Path Water Fountain Green Gabion Wall Resting Area Green Wall Bioswale Bike Parking Area Rain Garden Green Trail A - A' SECTION: POCKET PARK 1 1 6 2 7 3 8 4 9 5 10 2 9 3 4 5 6 7 9 10 Northgate Station 1st Ave
Roof
Green
RAIN GARDEN Green Trail Green Wall BUFFER ZONE
LEISURE
AREA
10ft 30ft 70ft
Permeable Walking Path Bike Lane with Cooling Pavement
HIGHWAY I-5: POCKET PARK Highway I-5 Source: Google map
Evergreen Trees

Pocket Park Rain Garden

PLANT TOOLKITS
Deer fern Tufted hairgrass Slough sedge Twinflower Licorice fern Bearberry Showy fleabane Sword fern Snowbrush Ninebark Twinberry Oregon box Salal Hairy manzanita Red twig dogwood Low oregon grape Douglas-fir Douglas-fir Oregon ash Grand fir Willow Western white pine Huckleberry Hardstem bulrush Huckleberry Bog rosemary Ground Cover Ground Cover Shrub Shrub Tree Tree
LINK& BUS STATION: ROOF GARDEN & FARMERS MARKET
Farmers Market Bus Station Water Fountain
B-B' SECTION: ROOF GARDEN & FARMERS MARKET Water Fountain
RESTING
FARMERS MARKET
AREA STREET
Bike Lane with Cooling Pavement Permeable Sidewalk ROOF FARM ROOF LAWN Greenhouse Water Harvest
Green Wall Greenhouse Roof Farm Resting Area Roof Lawn Green Wall Drinking Fountain
to upper level of Northgate Station Northgate Station 1 1 1 1 2 2 3 4 5 6 6 8 9 9 9 9 2 2 10ft 30ft 70ft Source: Google map Source: Google map 1 2 3 6 4 7 5 8 9
Green Canopy
Northgate Station
Beach strawberry Yarrow Camas Bog laurel Nootka rose Hairy honeysuckle Oregon box Camellia Wisley cream Orange honeysuckle Pacific wax myrtle Pacific wax myrtle Dove Tree Cascara Hardy rubber tree Victoria Evergreen Magnolia Boxleaf azara Huckleberry Huckleberry Street Roof Garden Bearberry Tufted hairgrass Twinflower Bearberry Showy fleabane Ground Cover Ground Cover
PLANT TOOLKITS
Shrub Shrub Tree Tree
GREEN TRAIL
RAIN GARDEN &
Green Trail Evergreen Trees
Link Animal Health Human Health Environmental Health 3 5
Rain Garden
9 10
WATER FOUNTAIN GREEN GABION WALL RAIN GARDEN & GREEN TRAIL GREEN WALL & ROOF LAWN
ROOF GARDEN & FARM BUS STATION WITH GREE CANOPY
COOLING FARMERS MARKET & WATER FOUNTAIN
Green Canopy Green Canopy
Roof
Roof
Green
Green
Permeable Pavement
Roof
Farm Lawn Lawn Wall Greenhouse Canopy
Water
Farmers
AI assisted rendering
Green Canopy Fountain Market Seating Area with Canopy
Animal Health Animal Health Animal Health Animal Health Human Health Human Health Human Health Human Health Environmental Health Environmental Health Environmental Health Environmental Health
Evergreen Trees

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