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The Study of Orange Rivers
To address the complexities of this issue, an ongoing study is diligently documenting the occurrences and the timing of their onset. The United States Geological Survey is actively involved in this research initiative.
This study involves sampling stream chemistry and testing hypotheses related to the causes of the contamination. Researchers are also exploring links between the changing landscape due to warming and thawing and the potential implications for downstream water quality and ecosystems.
“The Arctic is warming at a faster rate than other regions across the globe, with considerable consequences for terrestrial and aquatic ecosystems,” warns the National Parks Service in an article.
Changing pH Levels
Scientists are particularly concerned about the shifting pH levels in these rivers and the unknown impacts on their intricate ecosystems. The oxidation of minerals in the soil may be lowering the pH of the water, increasing its acidity. This could lead to the leaching of toxic metals, endangering aquatic life and posing a threat to downstream communities that rely on these rivers for fish and drinking water.
