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Listed under:  Science  >  Life  >  Ecosystems  >  Biogeochemical cycles  >  Water cycle
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Catalyst: Thinning ice sheet

Discover that that the massive ice sheet in East Antarctica has been losing mass since 2006 instead of growing, as was previously thought. Watch animations to see how scientists from NASA and Australia are using satellite technology and aerial monitoring to investigate the thickness of East Antarctica's ice sheet. Find ...

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BTN: Seeding clouds to make rain and snow

Imagine if we could control the weather. Find out how scientists are already at work making clouds rain when and where they want. It's called cloud seeding. Watch this clip to understand how cloud seeding works, and where it is being used in Australia.

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Catalyst: Chemical pollutants toxic to whales

Explore how chemical pollutants affect the Antarctic food web. A scientist shows that baleen whales are consuming Antarctic krill contaminated by accumulated residues of persistent organic pollutants (POPs) from pesticides and industrial chemicals. Find out why these pollutants are concentrated at the Earth's polar regions.

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Foreign Correspondent: New dam, new house: The Mekong

The mighty Mekong river provides a way of life for millions of people, and is arguably the most important resource in the developing country of Laos. Discover how villagers are being relocated to make way for hydropower dams on this river, which stretches for nearly 5,000 kilometres from the mountains of Tibet to Vietnam. ...

Interactive

Renewable Energy Sources - Google Play app

Find out about renewable energies such as wind, water, solar and biomass energy including how they provide energy, development of energy technology and environmental impacts in the electronic book. scientists and inventors involved. Explore some real-world engineering feats involved in producing today's energy supplies, ...

Interactive

Renewable Energy Sources - iTunes app

Find out about renewable energies such as wind, water, solar and biomass energy including how they provide energy, development of energy technology and environmental impacts in the electronic book. scientists and inventors involved. Explore some real-world engineering feats involved in producing today's energy supplies, ...

Interactive

Global change - iTunes app

Explores the global carbon and water cycles as well as the role that plants play in these cycles with particular emphasis on the stomata in the leaves. Also looks at human impact on these cycles and the climate. Includes videos, simulations showing changes over time, graphs, maps and a detailed glossary section. Free when ...

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Returning water to Hattah Lakes

The two short videos in this series highlight the value of Hattah Lakes and the importance of ensuring that sufficient water replenishes the lakes during dry times. The videos explain how dams and weirs upstream store flood water that would otherwise fill the lakes. A collaborative engineering project reduced the environmental ...

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The water cycle in the Murray-Darling Basin

This 12 minute video explains the water cycle in the context of the Murray Darling Basin and the great variability in rainfall in the region causing frequent floods and droughts. It highlights the importance of the rivers in the Murray Darling Basin for agriculture, environmental health, water supply, habitat for migratory ...

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Catalyst: Turning stormwater into groundwater

Imagine how much your life would change if your water supply ran out. Yet, when it rains, so much water is lost as it runs into stormwater drains. Watch as scientists talk about re-directing stormwater to recharge a groundwater aquifer. Listen as they describe how they can use a natural system to remove contaminants from ...

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Foreign Correspondent: Dams and dolphins on the Mekong?

If the Lao Government's plans are realised, nine hydropower dams will be built across the Mekong River in Laos, and more across its tributaries. The government wants the country to become the 'battery of Asia'. With this dream comes a host of issues. Listen to reasons why the World Wildlife Fund (WWF) suggests hydro-dam ...

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Lateline: Carbon capture and storage

Is carbon capture and storage (CCS) the solution to climate change? CCS technology captures carbon dioxide from the flue gases of coal burning power plants and takes it to long-term storage. The coal industry has high hopes that pumping the liquefied gas into underground reservoirs, or geo-sequestration, will provide safe ...

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Catalyst: Seals help climate research

Discover how seals are helping scientists study Antarctica, polar regions, oceans and climate change. Scientists use Weddell and southern elephant seals to gather data and monitor the way currents move heat around the world's oceans.

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Show me the water!

Where does the water in your tap come from? Fresh water accounts for only 3% of the earth's water supply and only 1% of that is available to us in lakes and rivers or in the atmosphere. But how much do we use for drinking water and what else do we use fresh water for? Watch this video to find out how NASA's Global Precipitation ...

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Foreign Correspondent: The Mekong: A damming example

The government of Laos has plans for many revenue-raising dams along the Mekong River. Find out about a dam, the Nam Theun 2, which was completed in 2010 and lies across the Nam Theun river in the Nakai Plateau. This clip from the same year asks if the dam could be the flagship for others to be built along the Mekong. Discover ...

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Where does water go after it rains?

What happens to rainfall in Australia? Water usually flows downhill, and because we know where the hills are, scientists have been able to divide the country into drainage divisions, or catchments. Find out which drainage division you're in, and learn what happens to rainwater that doesn't make it to the sea. |Learn more ...

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Foreign Correspondent: Damming the free and mighty Mekong

The Mekong has been a rare thing: a largely untouched and free-flowing river. Stretching for nearly 5,000 km from the mountains of Tibet to Vietnam's Mekong Delta, it has provided a way of life for millions of people and been an important trading route between south-western China and south-eastern Asia. In this clip from ...

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Foreign Correspondent: Cenotes

The Yucatán Peninsula is located in south-eastern Mexico and covers a vast area of coastline south of the Gulf of Mexico. It is a popular tourist destination for people who travel to cities such as Cancún to enjoy sandy white beaches. Explore the subterranean freshwater caverns of this region and discover why this pristine ...

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Food production in the Murray-Darling Basin

This thirteen and a half minute video highlights the importance of food and fibre production in the Murray Darling Basin. It explores the perspective of the farm families involved in both irrigated and dryland farming and explains how their products are distributed to local, national and global markets. This video also ...

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ABC News: Sound waves measure ocean temperatures

View how scientists use underwater sound waves to measure ocean temperature changes in the Indian Ocean. The animations show how the technology called acoustic thermometry works. Australian scientists are working with a global network of 'listening posts' to monitor the long-term effects of climate change on ocean temperatures.