Tag: Water

DRP 21×24: New Warnings from Studies about Global Water Changes
DRP News Bulletin

DRP 21×24: New Warnings from Studies about Global Water Changes

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(Feature Image (Screenshot): Atmospheric rivers occur all over the world, as this animation of global satellite data from February 2017 shows. Credit: NASA/Goddard Space Flight Center Scientific Visualization Studio)

A number of reports listed below this week throw fresh light on functioning of global water cycle, some of the findings should be seriously worrying. The studies show how the countries across the globe have water connections that go far beyond shared rivers, lakes and seas. And how these components of global water cycles are not only changing, but are under unprecedented stress and could take the global water cycles off balance.

Another study about atmospheric rivers that provides some of the largest high intensity rainfalls show that these rivers are shifting, which can have far reaching consequences for large sub-tropical areas, polar areas and others. For understanding their implications, more studies particularly focusing on shifting El Nino and La Nina streams are required.

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DRP 14×24: Big Dams, Long distance water will not solve Urban Water Crisis
DRP News Bulletin

DRP 14×24: Big Dams, Long distance water will not solve Urban Water Crisis

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In a pointed article this week, Sachin Tiwale rightly writes that Mumbai does not need more dams, but needs to fix the distribution of more than enough water that it gets currently. Same is the case with highly capital and energy intensive 5th stage of Cauvery Water Supply being inaugurated on Oct 16 by the Karnataka Chief Minister and Deputy CM for Bangalore, advertised through full page advertisements today (Oct 14) in newspapers in Bangalore.

What the India’s cities need is to exhaust the potential of local water resources, including rain water, local water bodies including rivers, groundwater recharge, recycle and reuse of treated sewage and also demand side measures, including fixing the distribution and reducing transmission and distribution losses. All of this needs attention through a National Urban Water Policy that will also fix the Urban Water Governance.

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DRP 07×24: Global Dam Safety Challenge in Changing Climate
DRP News Bulletin

DRP 07×24: Global Dam Safety Challenge in Changing Climate

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It is increasingly clear that Large Dams across the world are facing increasing challenge due to climate change. In recent years, we have already seen serious dam disasters in Australia, Brazil, Canada, India, Kenya, Libya, Nepal, Nigeria, Poland, Spain, Sudan and USA to name just a few.

All these are related to extreme rainfall events, which are going to only increase in intensity, frequency and spread. It is interesting that hydro industry platform has come out with this report highlighting this issue this week.

For a country like India, the third large dam builder in the world, this challenge is going to be even more daunting as we have been seeing the increasing number of dams related disasters in last few years. As we remember the Teesta 3 dam disaster a year ago, the nature and dimension of this challenge becomes even starker. This is also exemplified by the fact that the dam safety panel report about this disaster is not even out in public domain. And even now new theories are being proposed about what happened during the disaster.

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Yamuna Manthan 031024: Threatened River Wetlands
Yamuna River

Yamuna Manthan 031024: Threatened River Wetlands

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(Feature Image: Soor Sarovar Bird Sanctuary, along with the river Yamuna, is considered to be green lung of the Agra city. Source: ToI report Six-member committee to probe development of Agra Trade Centre in Soor Sarovar eco-zone. Nov. 01, 2018)

The waterbodies, lakes, wetlands in Yamuna basin continue to face damages and threats from many quarters, including concerned govt departments. In latest examples of this, there are reports of Uttar Pradesh govt’s plan to reduce the eco-sensitive zone (ESZ) of Keetham lake to zero. The wetlands also known as Sur Sarovar is a large ox bow lake formed by Yamuna River in Agra. It is a protected bird sanctuary and has been designated a Ramsar site in August 2020. In Sept. 2022, the Supreme Court had directed the govt to increase lake’s ESZ to 799 ha from 403 ha.

Similarly, the Uttar Pradesh govt departments have also been delaying process to notify Dhanauri wetlands as a Ramsar site in Greater Noida. The case is going on in NGT (National Green Tribunal) for the past many years. In the recent hearing held on Sept. 26, the NGT asked govt department to explain reasons behind delay in notifying the wetlands apart from directing it to remove water hyacinth chocking the wetlands. The next hearing will be held on Jan. 27, 2025.

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DRP 230924: Role of rivers in the birth of governments
DRP News Bulletin

DRP 230924: Role of rivers in the birth of governments

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(Feature Image Source: The Economic Origins of Govt)

Interesting research published in 2023 suggests that archaeologists and economists are now learning that dynamic, shifting rivers also created conditions that triggered people to develop some of the first organized govts on the planet.

In the research published in The American Economic Review Robert Allen and two co-authors found that Agriculture and large settlements emerged alongside rivers because they could tap into the gifts of rivers: close access to water and fertile soil. But rivers can move and take those gifts away. So, society developed organized govts to work collectively to regain their access to those gifts.

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DRP 160924: Urban Flood lessons from Vadodara, Vijaywada
DRP News Bulletin

DRP 160924: Urban Flood lessons from Vadodara, Vijaywada

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(Feature Image: Vadodara: A flooded area after heavy monsoon rainfall, in Vadodara, Aug. 27). Photo Credit: PTI/The Hindu)

Like every monsoon, a number of cities have faced catastrophic floods in SW monsoon this year. Vadodara and Vijaywada have got the media attention more than any other city for urban floods this year. In both cases a number of factors are common: role of upstream dams, encroachment on water bodies including rivers, lakes, streams, role of illegal sand mining particularly in Vijaywada, not having learnt any lessons from past flood disasters.

It is interesting to see Andhra Pradesh CM hinting at bringing HYDRAA like enforcement institution to remove encroachments on Budameru and other water bodies. Considering the nature of his politics and track record, it is doubtful if this NDA CM will take such a bold step, but it is certainly worthy of consideration for almost all urban areas in India.

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August 2024: Tonga Dam Breach floods Madhya Pradesh villages
Dam floods · Dam Induced Flood Disaster · Dam Safety

August 2024: Tonga Dam Breach floods Madhya Pradesh villages

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(Feature Image: Breach in Tonga dam. Source: ETV Bharat)

A breach in earthen Tonga dam has flooded half a dozen villages in Sabalgarh tehsil of Morena district in Madhya Pradesh. The breach occurred in intervening night of August 12-13, 2024. As per reports, the dam first overflowed following rainfall, leading to the breach.

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DRP 090924: Question marks over Yettinahole should not be buried under money spent
DRP News Bulletin

DRP 090924: Question marks over Yettinahole should not be buried under money spent

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(Feature Image: File photo of Yettinahole Project. Source: Daijiworld)

The Yettinahole project has seen protests and question marks right from the time when the project was proposed, none of them have been convincingly answered. As the Karnataka Chief Minister and his deputy commissioned a small part of it, those question marks remain as relevant today, including its hydrological viability, environmental impact assessments and sustainability, with hugely weakening of the western ghats by such major interventions without any credible impact assessments. (see: https://sandrp.in/2013/09/18/yettinahole-diversion-an-imprudent-rs-100-billion-proposition/)

It is good to see CWC and MoEF have also raised some questions and asked report even at this stage. One however expects CWC to raise such questions much earlier in the project cycle and before the project becomes fait accomplice. Else, it seems more like politicking. MoEF could have raised issues of violations before the violations happened on ground and should have refused to provide piece meal forest clearances as it has alleged.

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DRP N260824: Urban flooding plan welcome, Urban Water Sector needs attention
DRP News Bulletin

DRP N260824: Urban flooding plan welcome, Urban Water Sector needs attention

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(Feature Image: Assam Floods: Commuters wade through a flooded road after incessant rains, in Guwahati, Friday, July 5, 2024. Image Source: PTI/ABP Live)

The Union Government plan to spend Rs 2517 Cr in 2 years in seven metro cities to mitigate floods is certainly welcome announcement. The key component of the plan, conservation and improving capacity of urban water bodies is noteworthy along with storm water drainage. Does it mean that the River Front Development projects that actually reduce the flood carrying capacity of the rivers will be closed, since one does not expect govt to be working at cross purposes in different schemes.

In fact, Urban Water Sector as a whole needs attention with National Urban Water Policy as a first step. This is because the groundwater aquifers that are fast being emptied out, can be least cost option for storing the excess rain water, serving the purpose of reducing storm water drainage load and also improving water conservation. There is huge scope for this in all the seven metros listed in the scheme as also in many other cities.

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Uttar Pradesh Yamuna Aug 2024: NGT Com Finds Sand Mining Rules Violated
Sand Mining

Uttar Pradesh Yamuna Aug 2024: NGT Com Finds Sand Mining Rules Violated

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(Feature Image: Feb. 2024 screengrab of a video clip shows instream mechanized sand mining going on in Yamuna river during night hours at Mandawar village in Kairana tehsil of Shamli, UP)

A joint committee formed by the National Green Tribunal (NGT) Delhi has found gross violations of several rules in a sand mining project on Yamuna river in Shamli district of Uttar Pradesh. The joint committee was formed by principal bench on NGT comprising Justice Prakash Shrivastava, Chairperson, Justice Arun Kumar Tyagi and Justice Dr. A. Senthil Vel on May 13, 2024, to ascertain the correct factual position through ground visit while hearing a petition filed by local resident Farukh Chouhan.

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