River Basin

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Corporate water disclosure guidelines: toward a common approach to reporting water issues

The CEO Water Mandate, part of the UN Global Compact, has released a report titled ‘Corporate Water Disclosure Guidelines: Toward a Common Approach to Reporting Water Issues.' The report aims to provide common approaches and metrics for disclosure that will facilitate progress towards sustainable corporate water management. The report includes …

Advancing the water-energy-food nexus: social networks and institutional interplay in the Blue Nile

This study fills a gap in the nexus debate by focusing on concrete actors and the nexus challenges they struggle with, instead of on abstract systems and the resource flows between sectors. Based on participatory, visual network mapping and focus group discussions, the paper illustrates three interdependent challenges of the …

Downstream voices: wetland solutions to reducing disaster risk

This report makes the case for addressing ecosystem degradation as one of the root causes of risk and vulnerability and for opting for ecosystem-based solutions as a way to reduce disaster risk and build community resilience. It focuses on water-related hazards in particular, as they make up a vast majority …

Status of water quality in India - 2012

The water quality management is one of the many environmental problems in India. Increasing demand of water for human consumption, irrigation and growing industrial activities has impacted the water quality of rivers due to declining flows in rivers and depleting water levels of subsurface resources. Water quality data from 2500 …

Research insights on climate and water in the Hindu Kush Himalayas

Managing water resources is one of the major challenges of our century. Nowhere could this be more so than for the waters emanating from the Hindu Kush Himalayas, which is already characterized by a situation of ‘too much and too little’ water. Floods and droughts are already common, and the …

Increase in agricultural patch contiguity over the past three decades in Ganga River Basin, India

Ganga River Basin (GRB) is the second most populous river basin in the world, which has been undergoing rapid land-use change during the last few decades. Here, the researchers analyse the landscape dynamics in Indian GRB (IGRB) using three indices, i.e. class area, mean patch size and number of patches …

Long term spatial and temporal rainfall trends and homogeneity analysis in Wainganga basin, Central India

Gridded rainfall data of 0.5×0.5° resolution (CRU TS 3.21) was analysed to study long term spatial and temporal trends on annual and seasonal scales in Wainganga river basin located in Central India during 1901–2012. After testing the presence of autocorrelation, Mann–Kendall (Modified Mann–Kendall) test was applied to non-auto correlated (auto …

Demand in the desert: Mongolia’s water–energy–mining nexus

Mongolia’s mining-based economic development and the sustainability of its urban economies depend on both water and energy. The examination of the waterenergy nexus in two river basins in Mongolia shows that water availability is the binding constraint as energy facilities, mining operations, agriculture, and urban water users compete for scarce …

The rise of hydro-diplomacy: strengthening foreign policy for transboundary waters

What contribution can diplomats and technical experts make to support transboundary water cooperation? And how can such cooperation be leveraged to facilitate wider-ranging regional integration? To respond to these questions, adelphi convened a group of experts whose discussions have resulted in a report on how to strengthen foreign policy for …

Groundwater depletion during drought threatens future water security of the Colorado River Basin

Streamflow of the Colorado River Basin is the most over-allocated in the world. Recent assessment indicates that demand for this renewable resource will soon outstrip supply, suggesting that limited groundwater reserves will play an increasingly important role in meeting future water needs. Here we analyze nine years (December 2004 to …

Rs 11,000 cr TN project to improve Cauvery basin irrigation system

Tamil Nadu government today proposed to launch a Rs 11,420 crore project to improve the irrigation system in Cauvery river basin with the Central Water Commission (CWC) having already given its 'in-principle clearance' for the same. "A preliminary project proposal on Improvements and Rehabilitation of Irrigation Systems in Cauvery basin …

Glacier status in Nepal and decadal change from 1980 to 2010 based on Landsat data

The Himalayan region contains some of the most dynamic, fragile and complex mountain ranges in the world. These magnificent mountain ranges play an important role in global atmospheric circulation, the hydrological cycle, and water resources availability, provide a wide range of ecosystem services, and are a source of many hazards. …

Status of trace and toxic metals in Indian rivers

This comprehensive study conducted by Central Water Commission on 387 river water quality stations covering 16 river basins found that water samples at 171water quality (WQ) stations were within the permissible limit for all purposes, while 100 stations were beyond the permissible limit due to presence of two or more …

Karnataka to speed up Krishna, Cauvery basin projects

In a bid to hasten pending irrigation projects in the Krishna and Cauvery river basins, the Karnataka government has decided to hold consultations with legal experts next month. Fali Nariman, Karnataka’s counsel in the Supreme Court in the Cauvery case, will be visiting the city on June 2 and hold …

Glacier status in Nepal and decadal change from 1980 to 2010 based on Landsat data

This publication provides a comprehensive account of the status of glaciers of Nepal in approximately 1980, 1990, 2000, and 2010 to facilitate a better understanding of glacier dynamics over the past three decades. The glacier inventory was developed based on remote sensing tools and techniques, using semi-automatic multi-resolution segmentation of …

Water quality status of Maharashtra 2011-12

Water quality monitoring is one of the important function of State Pollution Control Board. It helps in evaluating the nature & extent of water contamination, assess the water quality trends, evaluate the success of pollution control measures taken & prioritization of efforts to be initiated. Maharashtra Pollution Control Board is …

Report of expert committee on Uttarakhand flood disaster & role of HEPs

In a significant development on role of hydropower projects in Uttarakhand flood disaster of June 2013, the Expert Body (EB) headed by Dr Ravi Chopra has recommended that at least 23 hydropower projects should be dropped, that hydropower projects played significant role in the Uttarakhand disaster and that there is …

New gas reserves found

Hyderabad: While the Krishna-Godavari offshore has already been identified as having shale gas potential, recent geological surveys have shown a larger tract of the Godavari-Pranahita basin to have significant shale gas potential. Scientists say that surveys in pockets of the basin has shown that it is a prospective shale gas …

Water management in the Noyyal River basin: a situation analysis

The Noyyal sub-basin, which is 3510 sq km in area, is part of the Cauvery basin that lies in the state of Tamil Nadu. It is a rapidly urbanizing sub-basin that includes the Class I cities of Coimbatore and Tiruppur as well as 84 smaller urban settlements. Water issues in …

Brahmaputra: towards unity

The Brahmaputra is a key river in the region that encompasses India, Bangladesh, the Hindu Kush Himalaya mountain range and the Tibetan Plateau, widely known as the Third Pole. In Brahmaputra: Towards Unity, independent experts from Bangladesh, China and India highlight the crisis on the Brahmaputra and challenge governments as …

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