How to Extract Landslide Slope and Grid Unit Using QGIS only from Udemy

Welcome to my recent developed tools, that will help you to learn how to build apply sophisticated steeps using easy built in tools.

Along this course, I (Omar F. Althuwaynee, PhD in GIS and Geomatics engineering) will help you to:

To introduce into powerful function of processing tool boxes of QGIS
Install free processing tools inside QGIS
To understand the procedure of extraction of Grid units (GU) and morphological Slope units (SU)
To produce training and testing data in easy steps
To easily run procedure with Less than 5 steps for each type of mapping techniques (GU and SU).

"QGIS as open source has very simple interface and FREE of charge available, therefore it is the great and powerful tool especially in third world based universities and not funded students."

At the the end of this course, you will be easily and efficiently able to use automatic process to build training and testing data for preparing landslide susceptibility mapping, using modeler of QGIS open source FREE software analysis capability.

February.

We have updated the "Model tools" named LaGriSU (Landslide-Grid-and-Slope-Units-QGIS_ToolPack), the current version :

Better performance and less time in processing
it works on QGIS versions 3.10, 3.12, 3.14 (64 bit & 32 bit) tested on both Windows and Linux
More robust hypothesis regarding to define landslide-free area (zones): I added 2 techniques | 1) Buffer zones, and 2) Slope value threshold
Both inventory of point and polygon features can be used
Comprehensive plots: Box plot to show the summary of different values statistics within landslides locations
Comprehensive summary reports: Summary of values statistics within landslides locations

March. on GitHub

Stability issues when using large areas
Errors in geometries and dissolve
Slope units: binary sampling (1,0) count of training and testing is more closer in term of 1:1 ratio
Slope units: small polygons (pixel shapes) were removed

Using Github link

(search for /Althuwaynee/LaGriSU_Landslide-Grid-and-Slope-Units-QGIS_ToolPack)

Keywords: QGIS, GIS, automatic, tools, modeler, mapping, susceptibility

What's inside

Syllabus

Introduction and theoretical background

Introduction to mapping units theory and practice

Grid and Terrain based mapping units

Aspect and Slope mapping units; cons and pros

QGIS versions

3.10, 3.12, 3.14(64 bit & 32 bit)

Traffic lights

Read about what's good

what should give you pause

and possible dealbreakers

Uses QGIS, a free and open-source GIS software, making it accessible to students and researchers with limited resources, especially those in developing countries

Focuses on landslide susceptibility mapping, a crucial application of GIS in hazard assessment and disaster management, which is relevant to many regions

Emphasizes the use of the QGIS modeler for automating complex geospatial analysis workflows, which is a valuable skill for efficient and reproducible research

Requires QGIS versions 3.10, 3.12, and 3.14, which are somewhat older versions, so learners may need to install these specific versions to ensure compatibility

Covers both grid units (GU) and slope units (SU) for landslide mapping, providing a comprehensive understanding of different mapping unit approaches and their pros and cons

Reviews summary

Extract landslide units with qgis

According to learners, this course offers a highly practical and effective guide for extracting landslide slope and grid units using QGIS. Students found the automatic LaGriSU toolpack and the clear, step-by-step methodology particularly valuable for preparing data for landslide susceptibility mapping. The course is noted for its direct applicability and ability to handle both point and polygon landslide inventories. Recent updates have reportedly addressed earlier performance and stability issues, making the tool more robust. While the course is highly focused on the tool's application, some reviewers suggest that a basic understanding of QGIS is beneficial beforehand and that it focuses less on the theoretical underpinnings of the methods presented.

More 'how-to' than 'why'.

"The course is very practical and tool-focused, which is great, but limited on deep theory."

"It's excellent on *how* to use the tools and modeler, less on the *why* behind the methods."

"If you need deep theoretical dives into the mapping unit concepts, this might require supplementary material."

Requires some familiarity with QGIS.

"Some basic familiarity with QGIS interface and functions is helpful before starting this course."

"Prospective students should ideally have QGIS installed and know basic navigation."

"While the steps are clear, some QGIS background makes it much smoother."

Works with point and polygon inventories.

"It was great to see methods for both point and polygon landslide inventory data."

"Handles different inventory types (point/polygon) well within the workflow."

"Useful that the course supports both point and polygon inputs for analysis."

Recent updates fixed performance issues.

"The recent updates mentioned seem to have significantly improved performance on larger areas."

"Glad the stability issues mentioned in earlier reviews seem to be fixed with the latest version."

"The tool is much more robust now, handling data more efficiently."

Explains the methodology clearly step-by-step.

"The steps provided for both GU and SU extraction were very clear and easy to follow."

"I appreciated the detailed breakdown of the methodology, making it easy to implement."

"Following the instructions, I was able to reproduce the results easily using my own data."

Provides a useful, automatic QGIS toolpack.

"The LaGriSU toolpack is very effective for extracting units and preparing data."

"Found the automatic process incredibly useful and easy to apply."

"The QGIS modeler approach simplifies complex tasks significantly. Great tool!"

Directly useful for landslide studies.

"This course directly addresses the practical needs of landslide susceptibility mapping data preparation."

"The techniques learned here are immediately applicable to my research and work."

"Great course for anyone needing training and testing data for landslide studies using QGIS."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in How to Extract Landslide Slope and Grid Unit Using QGIS only with these activities:

Review GIS Fundamentals

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Refresh your understanding of GIS principles to better grasp the concepts of landslide susceptibility mapping in QGIS.

Browse courses on Geographic Information Systems

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Review basic GIS concepts like projections and coordinate systems.
Familiarize yourself with common geospatial data formats.
Practice basic spatial analysis techniques.

Read 'QGIS for Hydrological Applications'

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Learn how QGIS can be used for hydrological applications, which are related to landslide analysis.

View QGIS for Hydrological Applications - Second... on Amazon

Show steps

Obtain a copy of 'QGIS for Hydrological Applications'.
Focus on chapters related to data processing and analysis.
Apply the techniques to landslide-related data.

Explore QGIS Processing Toolbox Tutorials

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Follow online tutorials to become proficient with the QGIS Processing Toolbox, a key component for landslide analysis.

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Search for tutorials on specific QGIS processing tools.
Practice using the tools with sample datasets.
Experiment with different parameters and settings.

Four other activities

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Document Your Landslide Mapping Workflow

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Create a detailed document outlining your workflow for landslide susceptibility mapping in QGIS, including data preparation, processing steps, and results interpretation.

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Outline the steps involved in your landslide mapping workflow.
Document each step with clear explanations and screenshots.
Share your documentation with other students or online communities.

Read 'Landslide Science and Practice'

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Expand your knowledge of landslide science with a comprehensive book on the topic.

View Putting Knowledge to Work on Amazon

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Obtain a copy of 'Landslide Science and Practice'.
Read the chapters relevant to landslide susceptibility mapping.
Take notes on key concepts and methodologies.

Create a Landslide Susceptibility Map for a Small Area

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Apply the learned techniques to create a landslide susceptibility map for a small area using QGIS and the LaGriSU toolpack.

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Select a small study area with known landslide occurrences.
Gather relevant data layers (DEM, geology, land cover).
Process the data using the LaGriSU toolpack.
Create a landslide susceptibility map and validate the results.

Contribute to the LaGriSU Toolpack

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Contribute to the open-source LaGriSU toolpack by reporting bugs, suggesting improvements, or contributing code.

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Explore the LaGriSU toolpack on GitHub.
Identify potential bugs or areas for improvement.
Submit bug reports or pull requests with your contributions.

Career center

Learners who complete How to Extract Landslide Slope and Grid Unit Using QGIS only will develop knowledge and skills that may be useful to these careers:

Geospatial Data Scientist

A geospatial data scientist analyzes spatial data to extract insights and create predictive models. This course equips you with practical skills in QGIS, including using processing toolboxes, installing free tools, and extracting grid and morphological slope units. This directly contributes to the data preprocessing and feature engineering steps, crucial in building accurate models. The course's emphasis on producing training and testing data directly supports the model development process. A geospatial data scientist can leverage these skills to develop models for landslide susceptibility mapping and other spatial phenomena.

See salaries and explore the career path for Geospatial Data Scientist

Geospatial Analyst

As a geospatial analyst, you will use geographic information systems to analyze spatial data. This course equips you with the practical skills to extract and process landslide data using QGIS, a valuable asset for assessing environmental risks. You will learn how to use QGIS's processing toolboxes, install free tools, and extract grid and morphological slope units. This course emphasizes the ability to produce training and testing data, which helps you to effectively run procedures. The hands-on approach to building training and testing data for landslide susceptibility mapping using QGIS is particularly useful for a geospatial analyst.

See salaries and explore the career path for Geospatial Analyst

Geologist

Geologists study the Earth's structure, processes, and materials. This course directly enhances a geologist's ability to analyze terrain and landslide susceptibility. By learning to use QGIS's processing toolboxes, install free tools, and extract grid and morphological slope units, you can effectively analyze spatial data, assess risks, and contribute to geological studies. The hands-on approach to building training and testing data for landslide susceptibility mapping using QGIS is particularly valuable for a geologist to evaluate and mitigate landslide hazards effectively.

See salaries and explore the career path for Geologist

GIS Technician

GIS technicians are responsible for managing and analyzing geographic data. This course helps you use the processing toolboxes of QGIS to install free tools, understand the procedures for extracting grid units, and produce training and testing data. This course may also help future GIS Technicians who are interested in running the procedure in fewer steps for each type of mapping technique. You will learn how to use QGIS to perform spatial analysis, manage data, and create visualizations that support decision-making processes. By using the acquired skills, a GIS technician can contribute to various projects that require spatial data analysis.

See salaries and explore the career path for GIS Technician

Remote Sensing Analyst

Remote sensing analysts interpret satellite imagery and aerial photographs to gather information about the Earth's surface. This course may provide skills in using QGIS's processing toolboxes, installing free tools, and extracting grid and morphological slope units. This helps you with analyzing geographic data related to ground conditions. By learning how to build and run models in the graphical modeler in QGIS, you will be able to process remote sensing data, extract meaningful information, and create maps that support environmental monitoring and resource management.

See salaries and explore the career path for Remote Sensing Analyst

Cartographer

Cartographers create maps and spatial data visualizations. This course may help cartographers use QGIS to its full potential, generating detailed thematic maps related to terrain and natural hazards. The course covers extraction of grid units and morphological slope units. This course also helps in producing training and testing data, which allows you to create accurate and informative maps. A cartographer can implement the skills learned in this course to create maps that visually represent landslide susceptibility zones.

See salaries and explore the career path for Cartographer

Land Use Planner

Land use planners develop and implement plans for the use of land. This course helps land use planners use QGIS to analyze terrain, map land use patterns, and assess environmental risks. By learning to use QGIS's processing toolboxes and extract various mapping units, planners can make informed decisions about land use, zoning, and development policies. This course can empower a land use planner to evaluate and mitigate environmental hazards, promoting sustainable development practices.

See salaries and explore the career path for Land Use Planner

Civil Engineer

Civil engineers design and oversee the construction of infrastructure projects. This course may provide the skills to use QGIS for terrain analysis, slope mapping, and hazard assessment. By learning how to use QGIS's processing toolboxes and extract various mapping units, civil engineers can assess the stability of slopes and identify potential landslide risks during the planning and construction phases of infrastructure projects. This course may also provide a civil engineer the ability to build and edit models in the graphical modeler in QGIS.

See salaries and explore the career path for Civil Engineer

Environmental Consultant

Environmental consultants provide expert advice on environmental issues. This course may assist aspiring environmental consultants with the skills to use QGIS for terrain analysis, risk assessment, and environmental impact assessments. By learning how to use QGIS's processing toolboxes and extract various mapping units, environmental consultants can analyze spatial data, assess environmental risks, and develop strategies for mitigating environmental impacts. The hands-on approach to building training and testing data for landslide susceptibility mapping using QGIS is particularly valuable.

See salaries and explore the career path for Environmental Consultant

Environmental Scientist

Environmental scientists need tools to assess and mitigate natural hazards. This course may provide the skills to extract and analyze landslide data using QGIS. This helps in understanding terrain and environmental processes. By learning to use QGIS's processing toolboxes and extract various mapping units, such as grid and slope units, you will be able to analyze spatial data, assess risks, and contribute to environmental protection. Knowing how to build and run models in the graphical modeler in QGIS may allow a future Environmental Scientist to evaluate and mitigate landslide hazards effectively.

See salaries and explore the career path for Environmental Scientist

Conservation Scientist

Conservation scientists manage and protect natural resources. This course may provide the skills to use QGIS for terrain analysis, habitat mapping, and risk assessment. By learning how to use QGIS's processing toolboxes and extract various mapping units, conservation scientists can assess environmental risks, identify areas prone to landslides, and develop strategies for protecting natural resources. This course may allow conservation scientists to use QGIS to evaluate and mitigate landslide hazards effectively.

See salaries and explore the career path for Conservation Scientist

Hydrologist

Hydrologists study the distribution and movement of water. This course helps hydrologists use QGIS to analyze terrain, map watersheds, and assess flood risks. By learning to use QGIS's processing toolboxes and extract various mapping units, hydrologists can model hydrological processes, assess the impact of landslides on water resources, and develop strategies for water resource management. The hands-on experience may help hydrologists use QGIS to evaluate and mitigate water-related hazards effectively.

See salaries and explore the career path for Hydrologist

Natural Resource Manager

Natural resource managers oversee the use and conservation of natural resources. This course helps natural resource managers use QGIS to analyze terrain, map habitats, and assess environmental risks. By learning how to use QGIS's processing toolboxes and extract various mapping units, natural resource managers can monitor environmental conditions, assess the impact of landslides on natural resources, and develop strategies for sustainable resource management. The ability to build and run models in the graphical modeler in QGIS allows natural resource managers to evaluate and mitigate environmental hazards effectively.

See salaries and explore the career path for Natural Resource Manager

Surveyor

Surveyors measure and map the Earth's surface. This course helps surveyors use QGIS to process spatial data, analyze terrain, and create accurate maps. By learning how to use QGIS's processing toolboxes and extract various mapping units, surveyors can integrate field measurements with spatial data to produce detailed surveys that support infrastructure planning and environmental monitoring. A surveyor can also implement the skills learned in this course to create maps that visually represent landslide susceptibility zones, potentially useful for construction planning.

See salaries and explore the career path for Surveyor

Urban Planner

An urban planner develops plans and programs for land use. This course helps equip anyone looking into this position to understand how to extract and interpret information about terrain, and how to analyze slope. Moreover, this course may help an aspiring urban planner to learn tools to create data for training and testing purposes. Ultimately, it may assist anyone in this role conduct risk assessments.

See salaries and explore the career path for Urban Planner

How to Extract Landslide Slope and Grid Unit Using QGIS only

What's inside

Syllabus

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Reviews summary

Extract landslide units with qgis

Activities

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