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Water Around The World

A unique water management system – Margret Oellrich-Wagner, Upper Harz, Germany

A unique water management system – Margret Oellrich-Wagner, Upper Harz, Germany

On a recent geological trip to the Harz Mountains in Northern Germany, Margret and Rolf found this perfect swimming spot (below) near where they were staying. To their surprise they had stumbled upon a water management system that is so

Cath Hassell2 June 28, 2023 Water Around The World Read more

A short history of manhole covers – ech2o newsletter snippet

A short history of manhole covers – ech2o newsletter snippet

The first ‘manholes’ are from the Roman era when they were slabs of stone or wood to enable easier access over stone-covered channels carrying water or sewage. The style of manholes we are familiar with today – mostly a removable

Cath Hassell2 March 5, 2023April 5, 2023 Water Around The World Read more

Rivers in the sky – Amazon and Congo – ech2o newsletter snippet

Rivers in the sky – Amazon and Congo – ech2o newsletter snippet

Evapotranspiration from the Amazon rainforest releases nearly 5 cubic miles of moisture into the air, which is more than the daily discharge of the Amazon River itself. This release of moisture is them moved by winds leading to the term

Cath Hassell2 February 4, 2023April 4, 2023 Water Around The World Read more

Methane bubbles, Lake Baikal – Russia – ech2o newsletter snippet

Methane bubbles, Lake Baikal – Russia – ech2o newsletter snippet

  Cool photo (taken by Stanislav Tolstnev) of frozen methane bubbles on Lake Baikal. The bubbles start to freeze at the end of November and because they freeze in layers, can form pillars up to 1.5 metres deep. The bubbles

Cath Hassell2 January 5, 2023April 5, 2023 Water Around The World Read more

Replenishing groundwater in India – ech2o newsletter snippet

Replenishing groundwater in India – ech2o newsletter snippet

A five year study of two degraded watersheds in the hilly, semi-arid region of Bundelkhand, central India demonstrated the advantages of restoring defunct haveli’s to store monsoon rains to replenish groundwater. Traditionally a haveli is an earthen rainwater harvesting tank,

Cath Hassell2 December 4, 2022April 4, 2023 Water Around The World Read more

Flood tunnels of Tokyo – Japan – ech2o newsletter snippet

Flood tunnels of Tokyo – Japan – ech2o newsletter snippet

The flood tunnels of Tokyo are the largest stormwater drain system in the world. A 6.3 km tunnel system connects five water courses to the main river (the Edo) 50 m below the surface. Why is this massive engineering feat

Cath Hassell2 November 4, 2022April 4, 2023 Water Around The World Read more

Bubble barrier – Netherlands – ech2o newsletter snippet

Bubble barrier – Netherlands – ech2o newsletter snippet

  Currently being trialled in Amsterdam in Westerdok at one of the outlets from the canals into the IJ. To prevent Amsterdam canal plastic from flowing into the North Sea. Basically a perforated tube is laid diagonally across a river

Cath Hassell2 October 5, 2022April 5, 2023 Water Around The World Read more

Warren Liebold – RIP – Cath Hassell, US

Warren Liebold – RIP – Cath Hassell, US

I saw Warren talk at a Waterwise event in 2005 in Oxford maybe earlier. Talking about the free WC upgrades in New York City as part of the implementation of mass metering. Something I had known about since the early

Cath Hassell2 June 10, 2022September 6, 2022 Water Around The World Read more

Artificial snow at the Winter Olympics – China – ech2o newsletter snippet

Artificial snow at the Winter Olympics – China – ech2o newsletter snippet

Beijing 2022 was the first Winter Olympics to rely almost 100% on artificial snow. Before the Games it was estimated that 222 million litres of water would be needed to create the snow conditions, in one of the world’s most

Cath Hassell2 March 4, 2022April 4, 2023 Water Around The World Read more

Collecting water in an Indian village – ech2o newsletter snippet

Collecting water in an Indian village – ech2o newsletter snippet

Collecting water from wells is primarily a job for women and girls. In Nashik in Maharashtra, women have to climb inside a 60 foot well to collect water as can be seen left and in this video. The onerous task

Cath Hassell2 February 5, 2022April 5, 2023 Water Around The World Read more
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