NivaarExam PrepOfficial exam papers ↗

18-Geol-A2 Hydrogeology: December 2017

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Confined-Aquifer Storage, Three-Point Hydraulic Gradient, and Density-Driven Flow Across an Aquitard
  2. Question 2 Vertical Flow Through an Intact and a Fractured Clay Aquitard, and a Two-Layer Anisotropy Test
  3. Question 3 Drawdown-Curve Diagnostics, Cooper-Jacob Analysis, and Superposition for Two Wells with Different Pumping Schedules
  4. Question 4 Steady Radial Flow to a Well — Confined and Unconfined Thiem Analysis, and a Leaky-Aquifer Drawdown
  5. Question 5 Unconfined Dupuit-Forchheimer Flow With and Without Areal Recharge, and a Confined-Aquifer Slug Test

Start with Question 1 →

Reference texts: Freeze & Cherry, Groundwater (Prentice-Hall, 1979) — Darcy's law, storativity/specific storage, three-point hydraulic-gradient estimation, density-dependent (freshwater-equivalent-head) flow across an aquitard, the Theis and Thiem well equations, Hantush-Jacob leaky-aquifer theory, superposition for wells with variable pumping schedules, and the Dupuit-Forchheimer approximation with areal recharge; Kruseman & de Ridder, Analysis and Evaluation of Pumping Test Data (ILRI, 1994) — Cooper-Jacob straight-line method and the Hvorslev slug-test method; EGBC Geoscience Professional Practice Guidelines for assumption-disclosure conventions on open-book calculations.