[1]林忠毅　张亚丽?陶?进?吴?潇?杨文英　梁晓燕.基于MODIS的桂西南喀斯特峰丛洼地石漠化时空变化及驱动力影响因素分析[J].大众科技,2023,25(2):41-45.
　Analysis of Temporal and Spatial Changes and Driving Force Influencing Factors of Rocky Desertification in Karst Peak Cluster Depression in Southwest Guangxi Based on MODIS[J].Popular Science & Technology,2023,25(2):41-45.
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基于MODIS的桂西南喀斯特峰丛洼地石漠化时空变化及驱动力影响因素分析()
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《大众科技》[ISSN:1008-1151/CN:45-1235/N]

卷:
25
期数:
2023年2
页码:
41-45
栏目:
资源与环境
出版日期:
2023-02-20

文章信息/Info

Title:
Analysis of Temporal and Spatial Changes and Driving Force Influencing Factors of Rocky Desertification in Karst Peak Cluster Depression in Southwest Guangxi Based on MODIS
作者:
林忠毅　张亚丽?陶?进?吴?潇?杨文英　梁晓燕
（北部湾大学资源与环境学院，广西 钦州 535011）
关键词:
石漠化; 石漠化指数; 驱动力因素; 地理空间探测器; Hurst指数
Keywords:
rocky desertification;  rocky desertification index;  driving force factors;  geospatial detector;  Hurst index
文献标志码:
A
摘要:
桂西南峰丛洼地流域是珠江流域重要的水源涵养区和生态屏障区，研究当地石漠化演化机制，对该流域石漠化治理和恢复以及生态环境保护具有重要意义。研究基于MODIS、LULC等遥感数据，采用地理空间探测器模型，分析了2001—2020年桂西南石漠化时空变化特征及驱动力因素。研究表明：（1）研究区石漠化呈现先恶化后改善趋势；（2）桂西南石漠化分布特征明显，流域上游石漠化程度较重，中下游的石漠化程度较轻；（3）植被覆盖度是石漠化指数的主要解释因子。
Abstract:

The peak cluster depression basin in southwest Guangxi is an important water conservation area and ecological barrier area in the Pearl River basin. Studying the evolution mechanism of local rocky desertification is of great significance to the control and restoration of rocky desertification and the protection of ecological environment in this basin. Based on MODIS, LULC and other remote sensing data, the spatio-temporal change characteristics and driving factors of rocky desertification in southwest Guangxi from 2001 to 2020 were analyzed using geospatial detector model. The results show that: (1) the rocky desertification in the study area shows a trend of deterioration first and then improvement; (2) the distribution characteristics of rocky desertification in southwest Guangxi are obvious, the rocky desertification degree in the upper reaches of the basin is relatively heavy, and the rocky desertification degree in the middle and lower reaches is relatively light; (3) vegetation coverage is the main explanatory factor of rocky desertification index.

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备注/Memo

备注/Memo:
【收稿日期】2022-06-29
【基金项目】广西高校中青年教师科研基础能力提升项目（2021KY0431）；北部湾大学大学生创新创业训练计划资助项目（S202111607196）。
【作者简介】林忠毅（2001－），男，广西桂林人，北部湾大学资源与环境学院学生，研究方向为遥感与生态。
【通信作者】张亚丽（1987－），女，河南驻马店人，北部湾大学资源与环境学院讲师，硕士，研究方向为3S技术在生态环境方向的应用。
更新日期/Last Update: 2023-04-25