[1]赖华燕,黄博强,吴鹏飞.海岛型城市的土壤侵蚀状况及主要影响因子分析——以福建省平潭岛为例[J].水土保持研究,2017,24(01):12-17.
　LAI Huayan,HUANG Boqiang,WU Pengfei.Analysis of the Main Imapct Factors on Soil Erosion in Island City—An Example of Pingtan Island, Fujian Province[J].Research of Soil and Water Conservation,2017,24(01):12-17.
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海岛型城市的土壤侵蚀状况及主要影响因子分析——以福建省平潭岛为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 24 期数: 2017年01期 页码: 12-17 栏目: 出版日期: 2017-02-28
Title:
Analysis of the Main Imapct Factors on Soil Erosion in Island City—An Example of Pingtan Island, Fujian Province
作者:
赖华燕1,2, 黄博强3, 吴鹏飞1,2
1. 福建农林大学 林学院, 福州 350002;
2. 海峡两岸红壤区水土保持协同创新中心, 福州 350002;
3. 厦门大学 两岸关系和平发展协同创新中心, 福建 厦门 361005
Author(s):
LAI Huayan1,2, HUANG Boqiang3, WU Pengfei1,2
1. College of Forestry, Fujian Agricultural and Forest University, Fuzhou 350002, China;
2. Coinnovation Center for Soil and Water Conservation in Red Soil Region of the Cross-straits, Fuzhou 350002, China;
3. Collaborative Innovation Center for Peaceful Development of Cross-strait Relations, Xiamen University, Xiamen, Fujian 361005, China
关键词:
USLE; GIS; 土壤侵蚀量; 平潭岛
Keywords:
Universal Soil Loss Equation; geography information system; soil erosion; Pingtan Island
分类号:
S157
摘要:
为研究海岛型城市建设发展过程中的水土流失状况，将地理信息系统（GIS）与通用土壤流失方程（USLE）相结合，以福建省典型海岛——平潭岛作为研究区域，运用GIS建立平潭岛研究区的基础地理数据库，利用ArcGIS的栅格数据空间分析功能，对1990年与2013年的土壤侵蚀量进行了估算和分析。结果表明：平潭岛1990年平均土壤侵蚀模数为1 674.64 t/（km2·a），2013年平均土壤侵蚀模数为735 t/（km2·a），均属于轻度侵蚀。微度侵蚀从1990年的72.38%增加到2013年的79.31%。而在轻度侵蚀、中度侵蚀、强度侵蚀、极强度侵蚀和剧烈侵蚀方面均有所下降。1990年、2013年均是强度以上侵蚀区域对土壤侵蚀量的贡献最大。土地利用变化、降雨量和坡度变化对土壤侵蚀的作用显著。该研究可为平潭岛的经济开发建设、土地合理利用，以及为其他典型海岛在城市化进程中提出最佳的水土保持管理措施提供参考。
Abstract:
In order to illuminate the status of soil and water loss in the process of development and utilization of urban land, the Pingtan Island, a typical island in Southeast China, was selected as the study site. The soil erosion of Pingtan Island in 1990 and 2013 was evaluated by using geography information system (GIS) and Universal Soil Loss Equation (USLE), land use and soil erosion maps of the study area were generated based on the factors such as rainfall, vegetation, soil and topography. The results showed that annual average soil erosion amounts in 1990 and 2013 were 1 674.64 t/ (km2·a) and 735 t/ (km2·a), respectively, both of which were in the category of light degree erosion; from 1990 to 2013, the proportion of light degree erosion increased from 72.38% to 79.31%, while all the proportions of other degrees declined. The most contribution to the erosion was in the intensity erosion area or more severe ones in 1990 and 2013. Land use change, the rainfall and slope gradients significantly affected soil erosion. The results could provide evidence for the economic development and construction, rational land use of Pingtan Island, and make the best management practices of soil and water conservation in the process of urbanization for other typical islands.

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备注/Memo

收稿日期:2016-05-26;改回日期:2016-06-12。
基金项目:国家科技支撑计划项目“强度侵蚀区退化生态系统修复关键技术的研发与集成”（2014BAD15B02）
作者简介:赖华燕(1992-),女,重庆万州人,硕士研究生,研究方向:森林理水与保土工程。E-mail:lhyiris15@163.com
通讯作者:吴鹏飞(1982-),男,福建莆田人,副教授,博士,博导,研究方向:森林理水与森林培育。E-mail:fjwupengfei@126.com

更新日期/Last Update: 1900-01-01