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HỘI THẢO KHOA HỌC QUỐC TẾ ATiGB LẦN THỨ TÁM - The 8 ATiGB 2023 31

islands, connecting different areas. Meanwhile, ecosystem, promoting the reproduction of crucial
central parks and district-level parks are evenly species in maintaining ecological balance.
distributed throughout the urban areas of Da Nang.. - Minimizing rainwater drainage: helps reduce the
Currently, there are five seaside parks located along speed at which rainwater drains off the ground
the coast, namely Ha Khe, Nguyen Tat Thanh, Thuan surface, allocating time for the process of water
Phuoc, Whale Park, and EastSea Park. In this context, infiltration into the soil. This can reduce the risk of
these parks are designed for decorative purposes at soil erosion and help protect the drainage system from
key locations with a sea view to serve tourism spots, overload.
while the remaining spaces are arranged with rows of
dunes or willow trees along the coastline from
Cocobay Danang to Hon Son Cha. Furthermore, these
park designs and coastal greenery systems do not
meet the criteria of a resilient coastal urban area like
Da Nang. Because the route from Cocobay Da Nang
to East Sea Park and from Ha Khe Park to Nam O
Beach is situated at the coastal windward entrance on
the mainland, these areas have a high porosity to
damage, making them the most vulnerable regions
along the coastal route.
3) Propose landscaping solutions for coastal
greenery in the city of Da Nang, following the criteria
of the sustainable urban mode Figure 6. Absorption level of green
The arrangement of vegetative mats in urban infrastructure in coastal urban areas
planning can positively contribute to the urban area's Therefore, the selection of green space distribution
porosity and water retention capability. This helps methods for urban areas needs to take into
enhance the living environment, protect the drainage consideration the characteristics of coastal cities.
system, and create a diverse ecosystem. The water There are two common approaches to green space
permeability capability of urban areas is an essential allocation along the coastal roads in the city of Da
aspect in the construction and management of green Nang, which include distributing greenery in a Patchy
space systems. However, it is necessary to carefully form and distributing greenery in a Corridor form. In
consider and integrate various factors to ensure the this context, the distribution of vegetation mats in both
effectiveness and safety of the entire urban planning patch and linear forms within urban areas needs to
system. take into consideration various factors such as size,
location, integration with infrastructure systems, and
- Surface water permeability: The arrangement of the establishment of connections between green
vegetation mats in urban spaces can create surface spaces. The ultimate goal is to consider creating a
water- permeable areas, helping to reduce the risk of harmonious green space system that is environmentally
flooding during heavy rainfall. Vegetative mats have and community-friendly.
the ability to absorb rainwater and prevent its runoff,
helping to reduce the volume of wastewater flowing a) Patch form
through sewer systems and mitigate flooding - The size and shape of vegetation patches: The
conditions. size and shape of vegetation patches influence their
ability to absorb rainfall and create green open spaces.
- Improving water quality: it can eliminate
harmful substances in rainwater such as chemicals A larger patch can provide better water permeability,
from vehicles, soil, and various other pollutants. This but it also needs to be considered so as not to obstruct
helps improve the water quality in rivers and drainage the drainage system.
systems, contributing to environmental protection. - The placement of vegetation carpet areas: The
- Mitigating Urban Heat Effects: Reducing the positioning of vegetation carpet areas should be
Urban Heat Effects by retaining heat and providing carefully considered to establish a connection between
shade. This helps decrease the surface temperature of green spaces and open areas. They also need to be
the city and enhances the living environment for its strategically located to facilitate rainwater absorption,
residents... reduce urban heat, and create living spaces for
residents.
- Ecosystem support: creating habitats for various
plant and animal species. This can generate a diverse - Integration with infrastructure: Integrating the
vegetative mats area with sewer systems, water

ISBN: 978-604-80-9122-4