SOUTH EAST ASIA Rivers are invaluable INTERESTING QUESTION: HOW MANY DIFFERENT WAYS CAN YOU MEASURE A RIVER? “Perhaps the most important – and largely overlooked – measure of a river is its value to the economy and wellbeing of a nation, a region, and its people. Simply put, large healthy, productive rivers like the Mekong and Ayeyarwady (or Irrawaddy) are unifying geographic features that serve as economic juggernauts, essential to long term growth and in maintaining the quality of life for millions of people.”
“These (FLOOD) benefits are valued annually at US$8-10 billion (K10.8 trillion), while floods in the Lower Mekong basin cause a much lower $60-70 million in damage every year.” “Floods and sediment are the artisans of river systems. If you lose them you are left to human-engineered solutions. That is now the only option for the US government in the Mississippi River. A $50-billion program has just been launched to rehabilitate the Mississippi delta. Conserving the natural processes that created it in the first place would have been a much more cost efficient option.” https://www.mmtimes.com/news/rivers-are-invaluable-south-east-asia.html Continue reading “ASIA-2017: Surplus power, cancelled Hydro and dam risks dominate”
Grand Renaissance Dam A new dam on the Nile faces threats from warming Climate change could play a role in exacerbating water conflict in Africa, like worsening geopolitical wrangling over issues like the Grand Ethiopian Renaissance Dam (GERD). The 6,450 MW hydropower project that’s nearing completion just 12 miles from the Ethiopia-Sudan border, has been a point of contention in the region. Scientists estimate a 50 percent increase in the flow variation from year to year, meaning that the basin could be flooded one year and experience a drought the next, along with a 10 to 15 percent increase in the annual flow of the river. It’s surprising that these kind of articles look at only one storage option: Large dam. WHY do they not look at other storage options? https://www.scientificamerican.com/article/a-new-dam-on-the-nile-reveals-threats-from-warming/ Continue reading “AFRICA-2017: Grand Ethiopian Renaissance Dam on NILE remains the focus”
FRANCE Largest dam removal project of the continent launched With thousands of proposed dams threatening Europe’s few remaining free flowing rivers, France’s decision to remove two large dams could signal the start of a new era on the continent – with countries focusing on reviving their rivers and on large scale dam decommissioning rather than construction.
With France leading the way, countries from Spain to Finland have taken down many small and obsolete dams in recent years, but freeing up the Selune represents the largest dam removal project so far in Europe – and a major step towards bringing life back to the river, including wild salmon and eel whose migrations have been blocked by the dams for decades. http://www.eubusiness.com/focus/17-11-212 Continue reading “EUROPE-2017: Dam Removal, Hydro Threats & Cancellations, River Restoration in focus”