CHEN Jiasheng,YIN Hui.Evaluation on Potential of Rainwater Resource Utilization of Karst Region in Northern Guangdong Province[J].Research of Soil and Water Conservation,2019,26(02):187-193,201.
粤北岩溶区雨水资源空间可利用潜力评价
- Title:
- Evaluation on Potential of Rainwater Resource Utilization of Karst Region in Northern Guangdong Province
- 分类号:
- TV213.9
- 摘要:
- 利用3S技术开展粤北岩溶区雨水资源空间可利用潜力评价，可以为区域雨水资源评价提供方法参考，为研究区域雨水资源开发利用提供决策支持。选取了岩性、气候、土壤、地形和植被因素作为评价指标，利用粤北岩溶区的遥感数据、气象数据、DEM等，在3S技术的支持下实现了评价指标空间量化和表达，并基于此评价了粤北岩溶区雨水资源空间可利用潜力。结果表明：（1）3个模型计算结果均显示雨水资源可利用潜力呈现块状分布、梯度变化的特点，且从模型1到模型3，梯度变化逐渐增大。（2）粤北岩溶区雨水资源空间可利用潜力空间分布不均，区域差异较大。（3）主成分分析显示，雨水资源空间可利用潜力受到各因素的综合影响，贡献率较大的是岩性因素和地形因素。
- Abstract:
- Using 3S technology to evaluate the potential of rainwater resource utilization in the karst region of northern Guangdong Province can provide a reference for the evaluation on regional rainwater resources and provide decision support for the development and use of rainwater resources in the study area. The lithology, soil, topography and vegetation as the indicators were selected. Space quantization of indicators was expressed based on 3S technology with remote sensing data, meteorological data and DEM data. Then the potential of rainwater resource was estimated based on this. The results showed that: (1) the potential of rainwater resources calculated by the three models all showed the characteristics of block distribution and gradient change, and the gradient change gradually increased from model 1 to model 3; (2) spatial distribution of potential of rainwater resources in karst region of northern Guangdong Province was uneven, and the regional difference was great; (3) principal component analysis showed that the potential of rainwater resources utilization was affected by various factors, and lithology and topography had the higher contribution rates to the potential.
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备注/Memo
收稿日期:2018-04-27;改回日期:2018-05-29。
基金项目:广东省自然科学基金（2015A030310275）；广东省教育厅教改项目（JG2015173）
作者简介:陈佳升(1995-),男,广东梅州人,硕士研究生,研究方向为遥感与地理信息系统应用。E-mail:2990119083@qq.com
通讯作者:尹辉(1983-),男,广西桂林人,博士,讲师,主要从事水文与水土保持研究。E-mail:yinhui741852963@163.com