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Why Springs Bubble: A Framework for Gas Discharge in Groundwater
1Oklahoma State University, 105 Noble Research Center, Stillwater, OK 74078.
Ground Water
|May 10, 2018
Summary
This study introduces a new framework for classifying groundwater bubbles, aiding in hazard assessment and understanding subsurface flow. It organizes literature on gas bubbles in springs and wells for future research.
Area of Science:
- Hydrogeology
- Geochemistry
- Environmental Science
Background:
- Mechanisms of bubble formation in springs and wells are understudied.
- Free-phase gas in groundwater offers insights into subsurface flow and potential hazards.
- Dissolved gas assessment can be affected by gas stripping from bubbles, impacting groundwater dating.
Purpose of the Study:
- To propose a framework for classifying free-phase gas and bubble phenomena in groundwater.
- To organize existing literature on groundwater bubbles and stimulate future research.
- To provide a standardized nomenclature for describing bubble manifestations in groundwater.
Main Methods:
- Review and synthesis of existing literature on groundwater bubbles.
- Development of a classification system based on seven common bubble manifestations (facies).
- Identification of processes responsible for gas charging and gas exsolution in groundwater.
Main Results:
- A proposed framework categorizing groundwater bubbles into seven distinct facies.
- Identification of overlapping facies due to the common occurrence of mixed gases.
- A glossary of terms to enhance clarity in describing free-phase gas phenomena.
Conclusions:
- The proposed framework provides a structured approach to understanding groundwater bubbles.
- Standardized classification aids in hazard assessment, economic evaluations, and subsurface flow analysis.
- Further research is encouraged to build upon this classification system for groundwater investigations.
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