Causes & Controlling Factors of Landslides

Duration: 1 min

This video lesson is available to enrolled students.

Return to /learn/SSC-JE-IMD-SCIENTIFIC-ASSISTANT-COMPUTER-SCIENCE/general-awareness/geography/natural-disaster-environmental-geography/asset-causes-controlling-factors-of-landslides after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. General Intelligence & Reasoning: Analogy, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Logical Sequence Of Words, Syllogisms, Venn Diagram, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Selection Decision Table (Decision Making), Data Sufficiency, Puzzle Solving (Puzzles), Data Arrangement, Cubes & Dices, Calendar, Clock, Arithmetic, Number System, Divisibility Rules, HCF LCM, Verbal Analogy (Word Based Analogy)
  2. General Awareness: Physics, Chemistry, Biology, History, Geography, Polity, Indian Economy, Environment, Static General Knowledge, GK- Current Affairs
  3. Engineering Mathematics: Set Theory, Relations, Functions, Graph Theory, Group Theory, Propositional and Predicate Logic, Linear Algebra, Calculus, Probability, Statistics
  4. Digital Logic: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Floating Point Rep
  5. Computer Organisation & Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design
  6. Programming & Data Structures: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  7. Databases: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control
  8. Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos
  9. Theory of Computation: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Complexity Theory
  10. Compiler Design: Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
  11. Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management
  12. Computer Networks: Introduction to CN, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware Basics
  13. Full Length Mock Tests:
  14. Sectional Tests:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video presents a lecture slide titled "2. Causes & controlling factors" which explains that landslides result from a combination of natural and human factors. The slide lists several key factors: Geology, including rock type and presence of faults; Geomorphic agents such as rivers, glaciers, and waves; High rainfall or rapid snowmelt, which increases pore-water pressure and reduces slope strength; Vegetation cover, where removal of roots weakens slope stability; Human activities like road cuttings, dam construction, mining, and construction, all of which increase landslide risk; Slope angle and relief, noting that steep slopes are more unstable; and Seismic shaking from earthquakes, which can trigger slope failure. The instructor, visible in a small window, discusses these points, emphasizing the interplay between natural processes and human actions in causing landslides.

Chapters

  1. 0:00 – 1:10 00:00-01:10

    The video displays a static presentation slide titled "2. Causes & controlling factors" which outlines the factors contributing to landslides. The slide begins with the statement "Landslides result from a combination of natural and human factors:" and then lists several bullet points. These include: Geology (rock type, presence of faults); Geomorphic agents (agents shaping landforms, e.g., rivers, glaciers, waves); High rainfall or rapid snowmelt (increases pore-water pressure and reduces slope strength); Vegetation cover (removal of roots weakens slope stability); Human activities (road cuttings, tunnelling, dam construction, mining, unplanned hill agriculture, and construction - all increase landslide risk); Slope angle and relief (steep slopes are more unstable); and Seismic shaking (earthquakes) can trigger slope failure. The instructor, visible in a small window in the top right, is speaking and gesturing, explaining the content on the slide. The slide is framed with an orange border and has a watermark for "KNOWLEDGE GATE".

The lecture systematically breaks down the complex phenomenon of landslides into a list of primary causes, categorizing them into natural and human-induced factors. It emphasizes that slope stability is a balance of forces, and any factor that increases the driving forces (like water or gravity) or decreases the resisting forces (like rock strength or root cohesion) can lead to failure. The slide serves as a comprehensive checklist for understanding the multifaceted nature of landslide risk, highlighting that both geological predisposition and external triggers, whether natural or anthropogenic, are critical.

Loading lesson…