Spatio-temporal patterns of urbanization in the Kolkata Urban Agglomeration: A dynamic spatial territory-based approach

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F21%3A10433504" target="_blank" >RIV/00216208:11310/21:10433504 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=c-unvVNuPg" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=c-unvVNuPg</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.scs.2021.102715" target="_blank" >10.1016/j.scs.2021.102715</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Spatio-temporal patterns of urbanization in the Kolkata Urban Agglomeration: A dynamic spatial territory-based approach

Popis výsledku v původním jazyce

This study analyzes the spatio-temporal patterns of urban growth for the Kolkata Urban Agglomeration (KUA) in eastern India using dynamic spatial territorial extents and compares the results with existing popular hypotheses of urbanization patterns (diffusion-coalescence and three-growth-mode). Time series neighborhood-level builtup densities were extracted and overlain to identify two broad urban spatial extents, inner and outer, which were further categorized into sub-territorial units. Landscape metrics and mode-wise urban growth statistics were computed for the above spatial extents. Results reveal a marked increase in the urban land share, from 20 % in 2000 to nearly 50 % in 2018, when about 75 % of the built-up spaces comprised the high-density urban core. Urban growth patterns in KUA show clear intra-urban variations between inner and outer spatial extents. The inner city zone underwent coalescence with nearly 90 % of the built-up growth within inner city extents occurring through infilling, whereas the outer extents showed complex growth patterns with outlying growth dropping by almost 27 % points, with related increase in both infilling (11 % points) and edge-expansion (16 % points). Diffusion and coalescence occurred simultaneously, but at varying intensities within the different subterritorial units. Examining such complex spatiality of urbanization is crucial to reduce its adverse environmental effects and promote sustainable urban growth.

Název v anglickém jazyce

Spatio-temporal patterns of urbanization in the Kolkata Urban Agglomeration: A dynamic spatial territory-based approach

Popis výsledku anglicky

This study analyzes the spatio-temporal patterns of urban growth for the Kolkata Urban Agglomeration (KUA) in eastern India using dynamic spatial territorial extents and compares the results with existing popular hypotheses of urbanization patterns (diffusion-coalescence and three-growth-mode). Time series neighborhood-level builtup densities were extracted and overlain to identify two broad urban spatial extents, inner and outer, which were further categorized into sub-territorial units. Landscape metrics and mode-wise urban growth statistics were computed for the above spatial extents. Results reveal a marked increase in the urban land share, from 20 % in 2000 to nearly 50 % in 2018, when about 75 % of the built-up spaces comprised the high-density urban core. Urban growth patterns in KUA show clear intra-urban variations between inner and outer spatial extents. The inner city zone underwent coalescence with nearly 90 % of the built-up growth within inner city extents occurring through infilling, whereas the outer extents showed complex growth patterns with outlying growth dropping by almost 27 % points, with related increase in both infilling (11 % points) and edge-expansion (16 % points). Diffusion and coalescence occurred simultaneously, but at varying intensities within the different subterritorial units. Examining such complex spatiality of urbanization is crucial to reduce its adverse environmental effects and promote sustainable urban growth.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

50701 - Cultural and economic geography

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2021

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Sustainable Cities and Society

ISSN

2210-6707

e-ISSN

—

Svazek periodika

67

Číslo periodika v rámci svazku

April 2021

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

14

Strana od-do

102715

Kód UT WoS článku

000638127900008

EID výsledku v databázi Scopus

2-s2.0-85099513037