基于GIS与地理探测器的岩溶槽谷石漠化空间分布及驱动因素分析
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王正雄,蒋勇军,张远嘱,段世辉,刘九缠,曾泽,曾思博
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Spatial distribution and driving factors of karst rocky desertification based on GIS and geodetectors
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WANG Zhengxiong,JIANG Yongjun,ZHANG Yuanzhu,DUAN Shihui,LIU Jiuchan,ZENG Ze,ZENG Sibo
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表4 岩溶槽谷区石漠化在不同降雨量下的空间分布
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Tab. 4 Distribution of rocky desertification under different rainfall in karst trough area
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| 降雨量(mm)(面积/km2) | 轻度石漠化
(km2) | 中度石漠化
(km2) | 重度石漠化
(km2) | 石漠化总面积
(km2) | 发生率
(%) | | 800~1000(31708.4) | 1605.8(13.5%) | 1852.4(21.5%) | 158.6(19.5%) | 3616.8 | 11.4 | | 1000~1200(47564.1) | 2533.6(21.3%) | 3325.6(38.6%) | 289.5(35.6%) | 6148.7 | 12.9 | | 1200~1400(32011.4) | 5780.9(48.6%) | 2007.5(23.3%) | 221.9(27.3%) | 8010.3 | 25.0 | | > 1400(20835.9) | 1974.5(16.6%) | 1430.2(16.6%) | 143.1(17.6%) | 3547.8 | 17.0 | | 总计(132119.9) | 11894.8(100%) | 8615.8(100%) | 813.1(100%) | 21323.7 | 16.1 |
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