Portfolio_Jiazhen Lu

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CONTENT Lo-fi CITY

p06

DOUBLE LAYERS

p20

DISTANCE-SCOPE-DIMENSION

p30

REMAIN VILLAGES, REMAIN FOOD

p39

BLUE-GREEN SYMPHONY

p46

Data Processing, Photography, Model Making & Paintings

p57

Urban Design

DESIGN PROJECTS

Landscape Design Ecological Planning

OTHER WORKS

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CRISIS - Water Shortage

Site Introduction Global water shortage distribution SITE

Moderate water shortage

Nansha River Basin

Mild water shortage

Peking

EQUATOR

19 90

Balance

China

20 17

High water shortage

Supply exceeds demand

Hebei Province

Haidian District

In recent years, the water resources in the North China plain have been sharply reduced, and the per capita possession of water resources has been less than 300CBM per capita per year. The shortage of water in the site is particularly serious.

Especially, the groundwater resources have been seriously reduced, and the groundwater level has decreased by 1.5m per year.

Large scale of unsustainable afforestation

What causes local water shortage? main water consumption types in SITE

2.60 million cubic meter ground water

Large area of fast-growing woodland Forest area: 6.66 million ha

Miyun reservoir

Industrial water use Agricultrial water use

45%

40%

SITE

5%

Nansha river

10%

1990

2020

2017

2020

In order to speed up ecological construction and improve the coverage rate of green space, the local government has carried out largescale afforestation activities. In order to achieve the effect as soon as possible, numerous fast-growing trees are planted in woodland, which has become the main reason for the local water shortage.

High water demand of fast-growing woodland water demand of different land fast-growing woodland

Domestic water use

common woodland farmland

Ecological environmental water use

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RESOURCE - Rainwater in Wet Season

Site Analysis Avg. 2015 2016

Mon.

70% of the annual rainfall Jun. Wet season

Dec.

50

100

150

200

250

300

However, despite the shortage of water resources in the region, there will be concentrated rainfall from June to September, that is, the rainy season. In the past two years, the rainfall in rainy season has increased to 520mm, accounting for 78%. of the total annual rainfall.

LOSS - Low Utilization Efficiency of Rainwater Low water storage capacity of green space

Hydrologic System

Catchment Area

Woodland

Farmland

Fragmentation of green space pattern

g 2000

2017

Single vegetation level

Plant community type Rainwater interception rate

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Ponds

Increase the quantity of water storage ponds

extra supplement existing supplement

Rainwater Collection

requirement

Restore some of the existing ponds into natural form

Rain corridor

Rainwater collection system

Woodland Woodland is mostly distributed in catchment area to improve water storage efficiency in wet seasons

Habitat Optimization

Adjusting tree species ratio, enriching plant level, and improving rainfall interception efficiency of woodland

Habitat corridor

Habitat system

Farmland cultural continuance

Mainly planting Beijing western rice to adapt to wet seasons and continue Chinese traditional cultivation culture

RESILIENT ECOLOGICAL STRUCTURE

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Rainwater collection system

Habitat system

Farmland Area: 54.6ha Irrigation water: 229,000m³/y

Woodland for Production Area: 140.0ha Irrigation water: 840,000m³/y

Annual Rainwater Demand: 2,652,000m³/y Woodland for Landscape Area: 159.0ha Irrigation water: 636,000m³/y

Original water system New water system Flood water level in dozens of years Rainwater collection line Potential rainwater corridor

Primary class habitat Secondary class habitat Linear green space Potential habitat corridor

Woodland for Ecology DEMAND

-897,000m³/y Overlayed system

Integrated system

Area: 94.7ha Irrigation water: 947,000m³/y

SUPPLY

Annual Rainwater Supply: 1,755,000m³/y Greenland in Catchment Area Area: 382.8ha Storage water: 1,514,000m³/y Habitat patch Habitat corridor Rainwater corridor

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Residential area Optimized habitat Integrated corridor

Wetland in Catchment Area Area: 44.5ha Storage water: 241,000m³/y

C B

A

Pounds & Wetlands Farmlands Paddy Fields Woodland for landscape Woodland for ecology Woodland for production Rain Corridor Habitat corridor

Masterplan

400m

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Green Patches

Woodland

Dry Season

A

50m

Wet Season

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Farmland

Blue Patches

Ponds & Wetlands

Fish breeding

Corridor

ECO-conservation

Habitat corridor

Dry Season Rainwater corridor

50m

Wet Season

B

Thalia dealbata

Hypophthalmichthys molitrix

For terrestrial organisms

Carassius auratus Sagittaria sagittifolia L.

Oreochromis mossambicus

Acorus tatarinowii

Iris tectorum Maxim.

Mylopharyngodon piceus For aquatic organisms

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Water-saving Residential Area Street

House

Main Street 20.0

M

8.5

M

Secondary Street

Water Recycling [Outdoor]

12.

0M

3.5

M

C

50m

Footpath 5.0

M 1.5

M

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Water Recycling [Indoor]

Sightseeing

Fishing

Pterocarya stenoptera

Broussonetia papyrifera

Natural Ecology

Phragmites communis

Scirpus validus

Iris pseudacorus L.

Dry Season

Natural Rainfall

100%

Forest Interception 23.6%

76.4% Evaporation Loss

Overland Flow 52.8%

7.5%

Ground Water Recharge

Wet Season

Corn

Wheat

Cabbage

Potato

16.1%

Storage Rainwater Rate:

68.9%

Paddy

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Vegetation Restoration

Wetlands&Ponds

Greenland

Annual rainwater supply

2018

2018-2020

2020-2025

600,000 1,350,000

Annual amount of water for irrigation

1,950,000 1,939,300 1,150,000 399,000 163,500

Woodland for ecology

Woodland for production Orchard

226,800 Farmland

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5-10cm

2025-2030

2030-2035

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DATA PROCESSING

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KMeans Clustering - Scatter Plots 2-Dimensional

3-Dimensional

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