在中国的洛斯高原上,由检查大形成的沉积土地的向量化数据集
Yi Zeng1,2, Tongge Jing1,2, Baodong Xu3
1State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, 26 Xinong Road, Yangling, Shaanxi Province, 712100, P. R. China.
Scientific data
|April 6, 2024
概括
中国洛斯高原 (CLP) 的检查大已经捕获了数十亿的沉积物,大大减少了黄河的负载. 一个新的向量化数据集揭示了精确的沉积物捕获,有助于土壤保护和河流管理.
科学领域:
- 地球科学 地球科学 地球科学
- 环境科学 环境科学
- 水文学的水文学
背景情况:
- 中国洛斯高原 (CLP) 的检查大捕获了大量沉积物,影响了黄河沉积物负载.
- 现有的数据缺乏空间分布,在沉积物捕获评估和河流动态方面产生不确定性.
研究的目的:
- 创建CLP上检查大形成的沉积土地的第一个矢量化数据集.
- 为评估生态系统服务和理解沉积物动态提供准确的数据.
主要方法:
- 使用高分辨率的谷歌地球图像.
- 采用基于对象的分类方法来生成数据.
- 通过 1947 个测试样本验证了数据集的准确性 (制造商准确率: 88.9%,用户准确率: 99.5%).
主要成果:
- 创建了一个新的向量化数据集,该数据集来自CLP上的检查大的泥土.
- 在数据集创建中实现了高准确度,这对于可靠的分析至关重要.
- 检查大的定量沉积物捕获,提高对其影响的理解.
结论:
- 新的数据集为检查大的生态系统服务评估提供了基本信息.
- 它有助于解释黄河当前的沉积物输送变化.
- 有助于规划未来的土壤和水资源保护项目在CLP.
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