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Questions and Answers
What is hydrogeology?
What is hydrogeology?
The study of the occurrence, movement, and chemistry of groundwater in its geological environment.
Which of the following are components of the hydrological cycle?
Which of the following are components of the hydrological cycle?
The hydrological cycle has a definite beginning and end.
The hydrological cycle has a definite beginning and end.
False
Define precipitation.
Define precipitation.
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Which of the following methods can be used for gathering precipitation data?
Which of the following methods can be used for gathering precipitation data?
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The sum of all forms of evaporation plus transpiration is called ___.
The sum of all forms of evaporation plus transpiration is called ___.
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What is groundwater recharge?
What is groundwater recharge?
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Surface runoff flows towards a surface water system.
Surface runoff flows towards a surface water system.
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What are the three types of surface water bodies?
What are the three types of surface water bodies?
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What is the difference between infiltration rate and infiltration capacity?
What is the difference between infiltration rate and infiltration capacity?
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Study Notes
Hydrogeology Overview
- Hydrogeology is the study of groundwater occurrence, movement, and chemistry within geological environments.
- Key aspects include the hydrogeological cycle, classification of aquifers, and groundwater management.
Course Structure
- Course consists of 28 hours of lectures and 28 hours of practical work, totaling 4 ECTS credits.
- Assessment format includes 60% written exam, 30% practicum, and 10% group presentation.
Course Goals
- Understand the hydrogeological cycle concept.
- Identify and classify groundwater occurrences.
- Calculate simple groundwater balances.
- Gain basic knowledge of groundwater in Suriname.
Key Topics Covered
- Hydro(geo)logical cycle includes precipitation, evaporation, infiltration, and surface runoff.
- Groundwater chemistry and management techniques.
- Specific focus on groundwater in Suriname.
Precipitation Process
- Precipitation refers to any form of water that falls from the atmosphere, including rain, snow, sleet, and hail.
- It connects the water cycle, transporting moisture from atmosphere to earth.
Evapotranspiration
- Evapotranspiration is the sum of evaporation from land surfaces and transpiration by plants.
- Influenced by meteorological conditions like temperature, humidity, and wind.
Infiltration and Surface Runoff
- Infiltration is the process where precipitation enters the unsaturated zone and is crucial for groundwater recharge and irrigation.
- Surface runoff occurs when excess water flows over land, contributing to lakes and rivers.
Groundwater Systems
- Groundwater systems exist in zones where rock cavities are filled with water under pressure.
- Groundwater tables fluctuate based on seasonal changes and local conditions.
Groundwater Recharge and Discharge
- Recharge includes processes where water enters groundwater systems, primarily from precipitation and surface water.
- Discharge refers to the outflow of water from groundwater systems, occurring through springs and abstractions.
Measurement Techniques
- Precipitation data is collected using rain gauges and automatic recorders.
- Infiltration rates and evapotranspiration are assessed through various methods including evaporation pans and lysimeters.
Surface Water Systems
- Surface water bodies are categorized as perennial, ephemeral, or manmade, each with distinct hydrological characteristics.
- Monitoring surface water involves measuring discharge, which is the volume of water flowing through a specified area over time.
Group Presentation Project
- Groups will conduct a presentation on an aquifer covering aspects like location, classification, porosity, recharge sources, and usage rates. All sources must be cited.
Important Concepts in Hydrogeology
- Hydrogeological cycle components: precipitation, evaporation, infiltration, surface runoff.
- Water balance calculations, groundwater management strategies, and the interplay between surface and groundwater systems.
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Description
Test your understanding of hydrogeology concepts covered in the fourth semester. This quiz focuses on topics such as groundwater in coastal aquifers and groundwater hydraulics. Prepare to delve into both theoretical and practical aspects of hydrogeology.
