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Environmental Science or Water Quality Parameters - Essay Example

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The author of the essay "Environmental Science or Water Quality Parameters" states that the quality of water in a stream in a stream can be measured by various parameters. The most common parameters in measuring the quality of water are turbidity, temperature, dissolved oxygen, etc…
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Environmental Science or Water Quality Parameters
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Form the data, the steam is clear with zero turbidity for both upstream and downstream indicating a healthy well functioning ecosystem. However, group 3 found a turbidity value of 30 downstream and group 4 found a turbidity value of 40 upstream.
Temperature – the temperature of the water in the stream is within the normal temperature range. Water is cooler upstream than downstream meaning that metabolism activities in the stream are in the normal range. Temperature also affects reproductive activities in the stream and life cycles in general.
Dissolved oxygen – it is the mass of oxygen present in the water, and its units are parts per million (ppm) or milliliter per Liter. The average dissolved oxygen of 7ppm means that the mass of oxygen in the water is within the required range for aquatic life. The values of 5.6 ppm and 5.2 ppm for dissolved oxygen upstream and downstream respectively show that oxygen levels are lower than average. The amount of dissolved oxygen may be affected by temperature, the flow of water, aquatic plants and altitude.
Percentage Saturation – the percentage saturation is 62.2% upstream and 59% downstream. This is an indication of high metabolic activities in the stream that result in the production of by-products that increase the saturation of salts in water. This is a key parameter that lowers the water quality in the stream.
PH – the pH of water in the stream is extremely crucial. It affects the ecosystem and the toxicity of the water. The average pH of water in a stream is 6 – 7. The pH of water in the stream is 8.05 upstream and 7.9 downstream. These pH levels are suitable for aquatic life in the stream.
Phosphate (ppm) - phosphate is a limiting nutrient which means that it is in short supply compared to nitrogen. The stream has low phosphate values of 1.6 and 1.4 for upstream and downstream respectively.
In conclusion, water quality is fair. Despite the various deviations from the ideal conditions for the water quality in the stream, the water sustains ecosystems without any imbalances. Read More
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