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Related Concept Videos

Methods of Obtaining Topography01:25

Methods of Obtaining Topography

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Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
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Types of Surveys01:27

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Surveys are essential for marking property boundaries near water bodies. Different types of surveys are defined, each with its own function. Land surveys mark the property boundaries, while route surveys determine the position of properties on nearby highways. Topographic surveys create maps by capturing the three-dimensional features of the land. Hydrographic surveys focus on the shapes of underwater areas and the movement of streams through the properties. Mine surveys determine the relative...
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Plotting of Topographic Maps01:29

Plotting of Topographic Maps

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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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Coordinates and Map Projections01:29

Coordinates and Map Projections

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Coordinates and map projections are essential tools in accurately representing the Earth's surface for various applications, ranging from navigation to spatial analysis. The latitude and longitude coordinate system is a universally recognized framework for defining locations. Latitude specifies the distance of a point north or south of the equator, measured in degrees from 0° at the equator to 90° at the poles. Longitude indicates a location's position east or west of the prime meridian,...
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Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

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Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
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Topographic Surveying and Contours01:29

Topographic Surveying and Contours

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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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Related Experiment Video

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A Simple Protocol for Mapping the Plant Root System Architecture Traits
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Plantation Mapping in Southeast Asia.

Xiaowei Jia1, Ankush Khandelwal1, Kimberly Carlson2

  • 1Department of Computer Science and Engineering, University of Minnesota - Twin Cities, Minneapolis, MN, United States.

Frontiers in Big Data
|March 11, 2021
PubMed
Summary

This study introduces an automated plantation mapping framework using remote sensing data for yearly analysis. The developed method improves upon manual mapping by balancing precision and recall for better accuracy in deforestation and climate change research.

Keywords:
deep learningdeforestationensemble learningplantationremote sensing

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Area of Science:

  • Environmental Science
  • Remote Sensing
  • Machine Learning

Background:

  • Accurate plantation mapping is crucial for monitoring deforestation and climate change impacts.
  • Existing plantation mapping methods are often manual, limiting scalability and efficiency.
  • Remote sensing data offers a promising avenue for large-scale, automated land cover analysis.

Purpose of the Study:

  • To develop and evaluate an ensemble learning framework for automated, yearly plantation mapping.
  • To assess the effectiveness of various framework components, including data sampling and model selection.
  • To compare the performance of the automated method against manual datasets and baselines.

Main Methods:

  • An ensemble learning framework was designed for automated plantation mapping.
  • The framework incorporated components such as class aggregation, data sampling, model selection, and post-processing.
  • Performance was evaluated against multiple baselines and through visual examination of high-resolution imagery.

Main Results:

  • The automated framework demonstrated effectiveness in yearly plantation mapping.
  • The study identified optimal configurations for framework components, enhancing mapping accuracy.
  • The proposed method achieved a superior balance between precision and recall compared to existing datasets.

Conclusions:

  • Automated plantation mapping using ensemble learning and remote sensing is feasible and effective.
  • The developed framework provides a scalable solution for monitoring land use changes.
  • This approach offers significant advantages over traditional manual mapping techniques for environmental research.