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Updated: Jun 11, 2025

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon
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频谱和地形特征的融合用于土地利用地图,使用机器学习框架进行区域规模的应用

J K S Sankalpa1, A M R W S D Rathnayaka2, P G N Ishani2

  • 1Rubber Research Institute of Sri Lanka, Dartonfield, Agalawatta, 12200, Sri Lanka. ssankalpa2@gmail.com.

Environmental monitoring and assessment
|October 8, 2024
PubMed
概括

这项研究比较了斯里兰卡的土地利用和土地覆盖地图的机器学习模型,发现随机森林是农业发展规划中最准确的.

关键词:
谷歌的地球引擎.网格搜索交叉验证的交叉验证斯里兰卡Kegalle地区的斯里兰卡.机器学习算法 机器学习算法

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Topographic maps represent the Earth's surface features using contour lines, which connect points of equal elevation to create a two-dimensional representation of three-dimensional terrain. Creating a topographic map requires a systematic approach.Begin by plotting a scaled grid and marking intersections corresponding to the survey's elevation data points. Assign elevation values at these intersections to build the base map. Next, determine contour levels using a consistent contour interval,...
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Topographic Surveying and Contours

Topographic surveying is critical for documenting the Earth's surface, focusing on capturing elevations, slopes, and natural and man-made features. It is essential in construction planning, water resource management, and land-use analysis. The primary outcome of such surveys is a topographic map, which uses contour lines to visually represent the shape and slope of the terrain, providing valuable insights into the landscape's characteristics.Contour lines are fundamental to understanding the...
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In the past, planning projects such as schools or public facilities required extensive manual effort to gather and compile data. Information such as property boundaries, soil characteristics, road networks, zoning regulations, and flood zones had to be sourced individually from courthouses, utility providers, and registry offices. Assembling these datasets into a coherent format often took several months, delaying project timelines.The introduction of Geographic Information Systems (GIS)...
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