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Rainfall Threshold for Landslides Prediction with Excel only
Rating: 4.2 out of 5(58 ratings)
246 students
Created byDr. Omar AlThuwaynee
Last updated 3/2020
English

What you'll learn

  • Employed within early-warning systems for geo-hydrological risk mitigation and Civil Protection purposes
  • Forecasting Landslides Induced by Rainfall
  • To understand the theory and the logic of threshold analysis
  • To easily construct the most significant thresholds in the academic literature
  • To learn how effectively use, analyze, and visualize the rainfall record
  • My continuous support, taking your hand step-by-step to make perfect use of the course objectives
  • Full access (downloadable) to Excel sheet equations and data used in the course

Course content

2 sections • 29 lectures • 3h 13m total length

  • Causes And Effects Of Rainfall Precipitation3:28
  • Definitions And Types Of Rainfall Thresholds13:43

    Examine rainfall thresholds for landslide prediction, differentiating empirical thresholds from physical processes, and explore how daily and accumulated rainfall, duration, and intensity relate to landslide events.

  • Most Frequent Types Of Rainfall Thresholds Worldwide4:23
  • Intensity-Duration (ID); Cumulative Rainfall-Duration (ED) Thresholds3:58
  • Antecedent Daily Rainfall Thresholds3:05

    Explore antecedent daily rainfall thresholds across time windows from 3 to 15 days, noting where there is no significant difference in rainfall signals, and emphasize routine calibration for data quality.

  • Intensity-Date (I-Date); Cumulative Rainfall-Date (E-Date) Thresholds2:03
  • Other Empirical Thresholds2:24
  • Reliability Index2:01
  • Data Preparation Process6:28
  • How To Overcome The Inventory Errors And Uncertainty9:20
  • Processing Steps "First Comes First"1:36

Requirements

  • No statistical background needed
  • Basics of Microsoft excel
  • Basics of QGIS software (optional) for visualization purposes only

Description

In this course, we go through the development and validation of precipitation rainfall threshold step-by-step.

You will learn how to effectively build, apply and validate the most powerful Precipitation thresholds, and much more:  [Excel sheet and Articles are available for the exercise application purposes]

  1. What is all about with experience sharing : focus on that thresholds that Induces Landslides

  2. How to prepare the data for threshold analysis

  3. Errors and Uncertainties

  4. Correlation between station records

  5. Spatial pattern analysis for incidents and stations


    a. Compute the Distance Matrix [distance matrix, rename the source stations as text and target as ID]

    b. Compute Nearest Neighbor Analysis [shared nearest neighbor clustering, high no.= less groups]

    c. Select  points by delete unwanted and outliers

  6. Correlation analysis

  7. Precipitation Threshold Analysis that Induces Landslides types

      a. ID, IE,

      b. E-Date, I-Date,

      c. Antecedents and others

  8.Reliability index

  9.Processing steps : first comes first

  10.Temporal analysis

Tools: Microsoft excel and open source GIS software QGIS.

Data used in the tutorial, is strictly protected under copyright law of Landslides (Journal of the International Consortium on Landslides). Please cite the article below:

 Althuwaynee O F., Asikoglu O. & Eris E. (2018) ”Threshold contour production of rainfall intensity that                  induces landslides in susceptible regions of northern Turkey “ Landslides. DOI   : 10.1007/s10346-        018-0968-2

Who this course is for:

  • Students of Ecology, geo-hydrological mitigation, Civil Protection and Natural Sciences
  • Anyone who has rainfall data to develop thresholds
  • Researchers interested in precipitation threshold that induces slopes failures

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