Jove
Visualize
Contact Us

Related Concept Videos

Topographic Surveying and Contours01:29

Topographic Surveying and Contours

260
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...
260
Manipulation and Analysis01:21

Manipulation and Analysis

61
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
61
Thematic Layering in GIS01:30

Thematic Layering in GIS

77
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)...
77
Applications of GIS: Disaster Management and Emergency Response01:29

Applications of GIS: Disaster Management and Emergency Response

155
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
155
Plotting of Topographic Maps01:29

Plotting of Topographic Maps

135
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,...
135
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

170
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...
170

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Capsule modulation enhances immunity and delays resistance in MDR <i>Acinetobacter baumannii</i>.

iScience·2026
Same author

Multi-omics analysis elucidates sesquiterpenoid compounds and identifies IrTPS3 as a key multifunctional terpene synthase in roots and rhizomes of Inula racemosa.

Annals of botany·2026
Same author

Synthesis and pharmacological evaluation of brominated derivatives of natural product celastrol for treatment of hepatic fibrosis.

European journal of medicinal chemistry·2026
Same author

Epimedium brevicornum Maxim and Ligustrum lucidum Ait enhance glucocorticoid-associated anti-inflammatory effects in asthma via the cAMP/PKA/CREB signaling pathway.

Journal of ethnopharmacology·2026
Same author

Comparative efficacy of combination regimens based on interventional therapy and immune checkpoint inhibitors (ICIs) in patients with intermediate- and advanced-stage hepatocellular carcinoma: a systematic review, meta-analysis, and network meta-analysis.

Cancer immunology, immunotherapy : CII·2026
Same author

Low YTHDC1 Expression Upregulates FSCN1 to Promote Nuclear F-Actin Formation and Facilitate Double-strand DNA Breaks Repair in TMZ-Resistant Glioblastoma.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Sep 13, 2025

Measuring and Mapping Patterns of Soil Erosion and Deposition Related to Soil Carbonate Concentrations Under Agricultural Management
08:09

Measuring and Mapping Patterns of Soil Erosion and Deposition Related to Soil Carbonate Concentrations Under Agricultural Management

Published on: September 12, 2017

11.9K

Enhanced Landslide Visualization and Trace Identification Using LiDAR-Derived DEM.

Jie Lv1, Chengzhuo Lu2, Minjun Ye2

  • 1Department of Earth Science and Technology, City College, Kunming University of Science and Technology, Kunming 650093, China.

Sensors (Basel, Switzerland)
|July 30, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces an enhanced airborne LiDAR method for improved landslide micro-topography display and trace recognition in vegetated, complex terrains. The technique accurately extracts landslide traces, outperforming traditional orthophotos.

Keywords:
LiDAR-DEMenhanced displayfractal modelimage fusionlandslide trace

More Related Videos

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon
09:44

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

Published on: October 16, 2018

10.3K
Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt
07:58

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

Published on: August 7, 2017

9.5K

Related Experiment Videos

Last Updated: Sep 13, 2025

Measuring and Mapping Patterns of Soil Erosion and Deposition Related to Soil Carbonate Concentrations Under Agricultural Management
08:09

Measuring and Mapping Patterns of Soil Erosion and Deposition Related to Soil Carbonate Concentrations Under Agricultural Management

Published on: September 12, 2017

11.9K
Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon
09:44

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

Published on: October 16, 2018

10.3K
Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt
07:58

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

Published on: August 7, 2017

9.5K

Area of Science:

  • Geosciences
  • Remote Sensing
  • Geomorphology

Background:

  • Traditional remote sensing struggles with micro-topography in vegetated, complex terrain.
  • Accurate landslide mapping is crucial for disaster management and risk assessment.

Purpose of the Study:

  • To develop an enhanced method for landslide terrain display and trace recognition using airborne LiDAR.
  • To improve the accuracy of landslide micro-topography feature extraction in challenging environments.

Main Methods:

  • Construction of a high-precision LiDAR-DEM from point cloud data.
  • Generation of visualization images (hillshade, slope, openness, Sky View Factor).
  • Pixel-level image fusion, fractal modeling, and Mean-Shift algorithm for trace extraction.

Main Results:

  • Pixel-level image fusion effectively enhances landslide micro-topography display.
  • The combined fractal model and Mean-Shift algorithm accurately extract landslide traces.
  • The proposed method shows superior performance compared to orthophoto-based extraction.

Conclusions:

  • Airborne LiDAR combined with advanced visualization and image processing offers superior landslide terrain analysis.
  • This method provides effective technical support for landslide disaster emergency investigations.
  • The findings are valuable for landslide research in vegetated, complex mountainous areas.