Urban Core Greening Balances Browning in Urban Expansion Areas in China during Recent Decades
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Urban Core Greening Balances Browning in Urban Expansion Areas in China during Recent Decades. / Zhang, Xiaoxin; Brandt, Martin; Tong, Xiaoye; Tong, Xiaowei; Zhang, Wenmin; Fensholt, Rasmus.
In: Journal of Remote Sensing (United States), Vol. 4, 0112, 2024.Research output: Contribution to journal › Review › Research › peer-review
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TY - JOUR
T1 - Urban Core Greening Balances Browning in Urban Expansion Areas in China during Recent Decades
AU - Zhang, Xiaoxin
AU - Brandt, Martin
AU - Tong, Xiaoye
AU - Tong, Xiaowei
AU - Zhang, Wenmin
AU - Fensholt, Rasmus
N1 - Publisher Copyright: Copyright © 2024 Xiaoxin Zhang et al.
PY - 2024
Y1 - 2024
N2 - China has experienced a rapid urbanization during recent decades, strongly affecting vegetation dynamics in areas undergoing a transformation from rural to urban areas. At the same time, national greening policies have been implemented to promote urban sustainability and urban greening in China in recent years. However, it is unclear how urban greening compensates vegetation losses from urban expansion at national scale. Here, we use Moderate Resolution Imaging Spectroradiometer and Landsat satellite normalized difference vegetation index time series to study 974 major cities (urban area > 20 km2) in China during 2000 to 2020 and develop an urban vegetation change typology including 5 types of vegetation dynamics (greening, browning, stable, reversal, and recovery). We document a rapid urban expansion associated with a browning in urban areas before 2011, followed by widespread regreening of the urban areas after 2011. This recovery in greenness was found in 63.45% of the cities, while 14.68% showed a continuous browning, and 8.13% a continuous greening. Our findings reveal to what extent, where, and when vegetation browning from urban expansion is balanced by urban greening in urban core areas, which may indicate that initial vegetation losses are offset by urban greening initiatives.
AB - China has experienced a rapid urbanization during recent decades, strongly affecting vegetation dynamics in areas undergoing a transformation from rural to urban areas. At the same time, national greening policies have been implemented to promote urban sustainability and urban greening in China in recent years. However, it is unclear how urban greening compensates vegetation losses from urban expansion at national scale. Here, we use Moderate Resolution Imaging Spectroradiometer and Landsat satellite normalized difference vegetation index time series to study 974 major cities (urban area > 20 km2) in China during 2000 to 2020 and develop an urban vegetation change typology including 5 types of vegetation dynamics (greening, browning, stable, reversal, and recovery). We document a rapid urban expansion associated with a browning in urban areas before 2011, followed by widespread regreening of the urban areas after 2011. This recovery in greenness was found in 63.45% of the cities, while 14.68% showed a continuous browning, and 8.13% a continuous greening. Our findings reveal to what extent, where, and when vegetation browning from urban expansion is balanced by urban greening in urban core areas, which may indicate that initial vegetation losses are offset by urban greening initiatives.
U2 - 10.34133/remotesensing.0112
DO - 10.34133/remotesensing.0112
M3 - Review
AN - SCOPUS:85188212632
VL - 4
JO - Journal of Remote Sensing (United States)
JF - Journal of Remote Sensing (United States)
SN - 2097-0064
M1 - 0112
ER -
ID: 390999712