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on August 11, 2021

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Why should we protect glaciers?

Why should we protect glaciers? & threats of retreating glaciers Glaciers, as massive freshwater reservoirs, that sustains the planet's life cycles and have an effect on our daily lives. Recent study from many individual scientists and organizations have suggested the loss of glaciers partially or completely since 1900. Why should we protect glaciers? 1. Source of fresh water 2. Major tourists attraction to make revenue 3. Glaciers melt water provides water for irrigation 4. Hydroelectricity generation from tarns (A lake that form in glacially-carved cirques) Threats of retreating glaciers 1. Sea level rises, causing coastal erosion and elevates storm surge 2. Affects the freshwater flora and fauna 3. Herbaceous ecosystem (mostly above 3500 altitude) 4. Deteriorates the herbaceous ecosystem (mostly above 3500m altitude) 5. Causes large number of natural disasters 6. Threaten high altitude communities 7. Disappearance of small glaciers cuts water supply to sm...

Traditional and Effective Water Management Ideas around the Earth; Post 2

1000 Year-Old Water Management System in Hampi, India Hampi or Hampe, also known as the Hampi Group of Monuments, is a UNESCO World Heritage Site in India's east-central state of Karnataka. Hampi predates the Vijayanagara Empire. In the 14th century, Hampi was the capital of the Vijayanagara Empire. Reservoir system in Hampi, India, dating from the Hindu empire of ancient Vijayanagra, circa 1000AD, that had supported a population of half a million (five lakhs) people for hundreds of years despite very little rainfall. Inside the Vittala temple complex the largest in Hampi is the Pushkarini, or stepped tank. After several days of pumping, archaeologists were perplexed when they were unable to fully drain the pushkarini. They wondered how such a huge tank might have been fed when there was no visible source of water nearby. Archaeologists discovered several small ponds in the dry and rocky surrounding hills when searching for a response. Surface run-off w...

River Restoration

The River Cole Restoration, England The River Cole, has very brief history related to milling, which gradually changed the river course effecting the bankside vegetation. River Cole restoration project started from July, 1995. 2.5 km section of river was restored and project completed in 1996. Upstream of river section was restored to its original course, retaining the small flow in the mill leat and downstream of river was reduced in size, & remeandered across the old section.. Main techniques applied were: 1. Bringing river bed back in line with river flood plain by adding gravel riffles and small weirs. 2. By making a new meandering cut at the much higher level to restore flood regime, bed level and water level and it also provide shelter to fish, insects and birds. 3. Restoring flood meadows from floodwater. It also helped to create water meadow. The Kissimee River, Florida, USA Frequent engineering has adversely affected the Kissimee ...

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