Tuesday, February 4, 2025

The Hydrology class 2025

The Hydrology 2025 Course will be 90% similar to last year's class, with only minor modifications. You can find details about the tools used and other relevant information in the  2023 Index (a quick 3-minute read).This page provides access to course materials, including slides, videos (both old and new), and other resources.

Hydrology is a fascinating field because water is essential for life and human activities. It is fundamentally the Physics of the Hydrological Cycle, yet it is deeply interconnected with biochemical processes and geology due to water's crucial role in ecosystems. Here a brief introduction from a National Geographics post.  A companion page is available for the laboratory exercises, where you can find all the necessary materials for hands-on practice.


The lab material is here. 

Classes and Related Materials

Available Resources

  • Storyboards – A summary of the lecture, usually in Italian.
  • Whiteboard – A detailed explanation of a specific topic, presented using Notability on an iPad.
  • Slides – Commented in English.
  • Videos – Commentary on the slides, typically recorded during lectures with no editing (as post-production would be too time-consuming).
    • 2025 Videos are available on a Vimeo Showcase [link here].
  • Additional Information & References – For those eager to explore more, supplementary details and references are provided in italics.

Class Schedule & Materials

📅 24 February 2025 – Introduction to the Course and Hydrology

  • 🔎 Complementary Reference:

📅 25 February 2025 – Ground-Based Precipitation and Its Statistics

📌 Topic: Understanding precipitation distribution, intensity, and extreme events—essential for engineering applications.

📅 03 March 2025 - Statistics of extreme precipitations

📌 Topic: Understanding the extreme precipitation concept and distributions,

 Some reviews on statistics - Return Period

📅 04 March 2025 - Extreme precipitations  

📅 11 March 2025 - Determination of Gumbel's parameters

    Beyond Gumbel
    A summary about the extreme precipitation estimations (Whiteboard)
    📅 18 March 2025 - Water in soils and aquifer 
     (Storyboard2020)
    Once precipitations arrive to the ground surface they either infiltrate or generate runoff. We first state how they infiltrate and, actually how water behave in the soil and in the ground. We talk about the complexity of the Earth surface that contains life and call it, the Critical Zone. To study infiltration we introduce the Darcy and Richards equations of which we explain the characteristics.
    📅 25 March 2025 - Hydraulic Conductivity
    📅 31 March 2025 - Richardson - Richards equation
     - The Richardson-Richards equation  (Storyboard 2020)
    📅 1st April 2025 - Richardson - Richards equation phenomenology and limitations

    Runoff Generation and propagation (Summary 2020)

    Once the rainfall gains the terrain, it can infiltrate or producing runoff. In the next we discuss the main mechanisms that produce runoff.
    Q&A - Runoff - Runoff 2022

    📅 8th April 2025 - De Saint Venant equation
    Runoff moves on the surface of the terrain according to the de Saint-Venant equation. In the following the equation is derived in the 1D case.


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