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Australia Puts Water Quality Sensors in Great Barrier Reef

Australia’s government has placed sensors in parts of the Great Barrier Reef in an effort to record water quality.

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The Great Barrier Reef covers about 344,000 square kilometers of area off Australia’s northeast coast. It contains hundreds of islands and thousands of natural structures, known as reefs.

The sensors measure levels of sediment and carbon materials flowing from the Fitzroy River into Keppel Bay in Queensland state. The area sits within the southern part of the Great Barrier Reef. Such substances can damage sea life.

The Australian government agency Commonwealth Scientific operates the program. The agency says the effort uses the sensors and satellite data to measure changes in water quality.

Experts say the quality of Australia’s coastal and inland waterways is being threatened by warming temperatures, urbanization, deforestation and pollution.

Alex Held leads the program. He told VOA that sediments can be harmful to ocean life because they can block sunlight from the seafloor. The lack of sunlight can hurt the growth of sea plants and other organisms. Sediments can also settle on the tops of coral reefs, affecting sea life there as well.

Held said the sensors and satellites will be used to measure the effectiveness of programs meant to reduce the flow, or runoff, of river sediment into the sea.

Held noted that the Australian government already operates a series of programs aimed at reducing the effects of sediments on sea life. These include efforts to keep plants growing along riverbeds and other bodies of water to help keep sediments out.

Environmentalists have warned that the Great Barrier Reef faces a number of threats. These include climate change, pollution and runoff of agricultural products. The reef – which runs about 2,300 kilometers – has been on the United Nations World Heritage List since 1981.

We have various types of water quality sensors, which are widely used in industry, aquaculture, environmental protection and other fields.

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Post time: Mar-06-2024