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The Effect of Temperature on Dissolved Oxygen Levels in Aquatic Environments

Student(s):Sara Hamilton and Libby Puffenburger
Grade Level:Secondary School (grades 9-12, ages 14-18)
Contributors:
Report Type(s):International Virtual Science Symposium Report, Mission Earth Report
Protocols:Dissolved Oxygen, pH, Water Temperature
Presentation Poster: View Document
Language(s):English
Date Submitted:03/06/2025
This study explores the relationship between water temperature and oxygen levels in aquatic environments, and focuses on the impact of temperature changes on aquatic life. As dissolved oxygen is necessary for the survival of many aquatic organisms, understanding how temperature change affects oxygen availability is crucial, especially in climate change. Through the testing of our water samples, we measured dissolved oxygen, temperature, and pH over multiple dates. The results confirmed that there is a relationship between temperature and dissolved oxygen levels–higher temperatures led to lower dissolved oxygen levels. These findings match with scientific research, showing that increased temperatures reduce oxygen solubility, possibly causing stress and habitat loss for aquatic organisms. Although there are other factors that affect oxygen levels, this study focuses on how important it is to put into account how different factors, such as temperature and dissolved oxygen, affect aquatic life.



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