Simulation of gully evolution of Linzhou ancient city on the loess plateau in the past two millennia based on CA model

IF 3.2 1区地球科学 Q1 GEOGRAPHY, PHYSICAL

Quaternary Science Reviews Pub Date : 2024-12-27 DOI:10.1016/j.quascirev.2024.109167

Yuehong Li , Xiaohui Jiang , Xingchi Chen , Tong Nie , Yuxin Lei , Xiang Su , Sinuo Fan , Congcong Liu

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Abstract

The Loess Plateau is a prominent locus of soil erosion in China, drawing considerable scrutiny owing to its pervasive gully erosion. Insufficient historical data have constrained the study of past dynamic changes in gully erosion. In this study, we employed a cellular automata (CA) model to simulate and analyze the progression of gully erosion near Linzhou Ancient City on the Loess Plateau, spanning two millennia. The results of the study show that, (1) the erosion rate of Linzhou Ancient City has been in the range of 7–27 mm/a over the past two millennia, with a general upward trend in gully erosion. (2) Factors such as climate, population, land use, and vegetation jointly affect the rate of gully erosion. (3) Accelerated gully erosion has contributed to the abandonment of Linzhou Ancient City. This study provides an essential reference for understanding the evolutionary processes of landforms on the Loess Plateau, revealing the combined influence of natural changes and human activities on gully development. Therefore, it is important to develop and implement soil and water conservation measures on the Loess Plateau.

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来源期刊

Quaternary Science Reviews 地学-地球科学综合

CiteScore

7.50

自引率

15.00%

发文量

388

审稿时长

3 months

期刊介绍： Quaternary Science Reviews caters for all aspects of Quaternary science, and includes, for example, geology, geomorphology, geography, archaeology, soil science, palaeobotany, palaeontology, palaeoclimatology and the full range of applicable dating methods. The dividing line between what constitutes the review paper and one which contains new original data is not easy to establish, so QSR also publishes papers with new data especially if these perform a review function. All the Quaternary sciences are changing rapidly and subject to re-evaluation as the pace of discovery quickens; thus the diverse but comprehensive role of Quaternary Science Reviews keeps readers abreast of the wider issues relating to new developments in the field.