Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

A Study of Urban Flood Safety Patterns in Built-up Areas of Bangkok Based on Complex Network Theory

Version 1 : Received: 27 January 2022 / Approved: 28 January 2022 / Online: 28 January 2022 (15:15:09 CET)

How to cite: Yingying, Z.; Li, S. A Study of Urban Flood Safety Patterns in Built-up Areas of Bangkok Based on Complex Network Theory. Preprints 2022, 2022010443 (doi: 10.20944/preprints202201.0443.v1). Yingying, Z.; Li, S. A Study of Urban Flood Safety Patterns in Built-up Areas of Bangkok Based on Complex Network Theory. Preprints 2022, 2022010443 (doi: 10.20944/preprints202201.0443.v1).

Abstract

With the development of the city, a large number of water networks in the built-up areas of Bangkok have been filled and hardened, resulting in poor urban flooding and aggravating flooding, causing loss of life and property of citizens. In this paper, on the basis of combing the current water networks and open space potential flood storage points in the built-up areas of Bangkok, the complex network diagram of the water system in the built-up areas of Bangkok is constructed by combining the theory of complex networks and analyzing the attribute parameters of the network and the characteristic parameters of the open space storage nodes and water system paths, and finding that the water system network in the built-up area of Bangkok has complex network characteristics such as robustness, clustering and hierarchy. By exploring the key storage points and water system connection paths, the researchers initially constructed a flood safety pattern in the built-up area of Bangkok with 145 key nodes and 127 river paths as the backbone, and conceptualized the development study of the flood safety pattern in both horizontal and vertical directions. The urban flood safety pattern based on complex network theory proposed in this paper provides a case reference and methodological ideas to scientifically solve the game conflict between the demand for construction land for urban development and the construction area of urban open space storage points and water storage network under the increasingly severe flooding situation.

Keywords

Complex network; flood safety patterns; Water Network; Built-up area of Bangkok

Subject

EARTH SCIENCES, Environmental Sciences

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