使用基于多个标准的决策方法,评估萨利流域的土地适用性
Arkadeep Dutta1, Manua Banerjee2, Ratnadeep Ray2
1Department of Earth Sciences and Remote Sensing, JIS University, Kolkata, 700109, West Bengal, India. me.addutta@gmail.com.
Environmental monitoring and assessment
|February 5, 2024
概括
这项研究使用15个因素评估了土地的农业能力,发现气候和土壤是最重要的. 结果确定了非常适合的地区,证实了评估的评估.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 地理空间分析的研究.
背景情况:
- 优化土地资源利用对于农业地区的社会经济发展至关重要.
- 多标准决策 (MCDM) 方法是选择新农业区和确定作物适用性的理想方法.
- 土地能力评估需要整合气候,田地,肥沃性,地形和社会经济因素.
研究的目的:
- 通过评估限制,作物适用性和管理响应来评估农业用地的潜力.
- 确定和优先考虑农业发展的领域,使用一套全面的决定因素.
- 验证土地能力评估方法的准确性和可靠性.
主要方法:
- 采用多标准决策 (MCDM) 技术,特别是分析层次过程 (AHP),以确定权重.
- 整合了15个关键决定因素:降水,PET,土壤质地,排水,土壤有机碳,,pH,粘土含量,河流接近,LULC,斜率,温度,社会适应性,灌密度和海拔.
- 进行了地形分析,并使用接收器运行特征 (ROC) 曲线验证了评估.
主要成果:
- 气候和土壤成为影响土地能力的主导因素.
- 确定了不同的适用区:168平方公里非常适合,181.3平方公里适合中等,和429平方公里低适合.
- 通过ROC验证实现了83.2%的曲线下的面积 (AUC),证明了高精度.
结论:
- 该研究成功评估了农业用地的潜力,强调了气候和土壤因素的关键作用.
- 该方法为土地能力评估和农业规划提供了可靠的框架.
- 东部和东北部部门显示出农业扩张的重大前景.
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