Assessment of past and future land use/cover change over Tordzie watershed in Ghana

Frontiers in Environmental Science

Environmental Science

Bismark Mensah-Brako¹  Leonard Kofitse Amekudzi²  Sampson Agodzo²  Mexoese Nyatuame³ 

[1] Ho Technical University, Ho, Ghana;Kwame Nkrumah University of Science and Technology, Kumasi, Ghana;Kwame Nkrumah University of Science and Technology, Kumasi, Ghana;Ho Technical University, Ho, Ghana;

关键词: land use;    land cover;    rate of change;    Tordzie watershed;    Ghana;   

DOI  :  10.3389/fenvs.2023.1139264

 received in 2023-01-06, accepted in 2023-06-02,  发布年份 2023

来源: Frontiers

【 摘 要 】

Land use/ land cover (LULC) change has been identified as the main driving force of global change. The study investigated LULC change in Tordzie watershed in Ghana and predicted the future development. The supervised classification procedure was applied to Landsat images of 1987, 2003, and 2017. The cellular automata–Markov model embedded in IDRISI 17 software was employed to model LULC for the years 2030 and 2050. The trend of LULC change was exploited from 1987 to 2003, from 2003 to 2017, and projected to 2030 and 2050. Settlement and crop land, respectively, increased from 2.68% to 16.46% in 1987 to 3.65% and 53.47% in 2003 and finally to 20.61% and 58.52% in 2017. Vegetation cover declined from 23.2% in 1987 to 13.9% in 2003 and finally to 11.3% in 2017. The annual rate of change was determined. In 2030 and 2050, the dominant land use type will be crop land (56%). However, it decreased between 2017 and 2030 by −1.73%. The findings of the study are very relevant to land and water resource planners, policy formulators and implementers, and environmental and climate change advocates. Sustainable land use policy and its implementation are recommended.

【 授权许可】

Unknown   
Copyright © 2023 Nyatuame, Agodzo, Amekudzi and Mensah-Brako.