Water quality in Delft and surroundings

Organization(s):Grotius College
Student(s):Anouk van den Berg, Tosca den Breejen Eline van Bodegom Mimosa Hoogerbrug Saskia Schellinkhout
Grade Level:Secondary School (grades 9-12, ages 14-18)
GLOBE Teacher(s):Maureen Eijpe
Report Type(s):Standard Research Report
Protocols:Air Temperature, Dissolved Oxygen, Nitrates, pH, Water Temperature
Date Submitted:05/28/2019

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We have conducted this study with the goal to investigate the water quality in our locality and see if the water is in a good condition and if there are any differences between the city centre and its outskirts. We thought that there would be substantial differences between the water quality of the city and the countryside. Considering the fact that eutrophication takes place in the countryside, the levels of nitrate and phosphate were expected to be higher and the oxygen level lower in comparison to the city. However, we also foresaw that the water quality would still be acceptable. We did measurement on the nitrate, phosphate and oxygen level, the pH-value and the temperature of four waters located in or around the city of Delft. In addition to more accurate results, we measured twice at each location. The results showed that our hypothesis was partly correct. There were no big differences between the waters in the city centre and the countryside but the quality of them are good. Therefore, we can conclude that our hypothesis is almost fully correct.


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