Hydrology

Order of the National Green Tribunal regarding floating hotel in Tehri Lake, 10/02/2025

Order of the National Green Tribunal in the matter of News item titled "Uttarakhand HC License expired why is floating hotel running?" appearing in the Times of India dated 07.01.2024. The MA was registered on the basis of the report dated June 14, 2024 filed by the National Mission for …

Climate change and water

This technical paper addresses the issue of freshwater. Sealevel rise is dealt with only insofar as it can lead to impacts on freshwater in coastal areas and beyond. Climate, freshwater, biophysical and socio-economic systems are interconnected in complex ways. Hence, a change in any one of these can induce a …

NIH develops software for flood estimation

The flood fright has always remained a cause of concern for the planners of various water-based projects. Now, the planners can architect their structures with greater precision to counter the flood threats. The National Institute of Hydrology (NIH), Roorkee, has developed a package called "FLPACK' to estimate the flood for …

A new great lake--or Dead Sea?

Turkmenistan intends to create a huge lake in the desert by filling a natural depression with drainage water. Critics say it's a bad idea that could even spark a war.

Project disaster

Heed to the warnings of ill-planned approach Challenges thrown up by the Ranganadi Hydro Electric Project (rhep) stage I, commissioned in 2002, are lessons to be learnt by the state government and the project proponents. The project involves transfer of water from the Ranganadi, a tributary of the Subansiri, into …

Saving the natural springs in the mining hilly tracts of Joda-Badbil-Koira area of Orissa

A number of perennial springs such as Thakurani, Khandadhar, Gudguda, Gonasika and Bolani are present in the hilly tract of Joda-Badbil-Koira area of Keonjhar-Sundargarh District, Orissa. The area is densely forested with rich deposits of Fe and Mn, which are mined using the opencast method of mining. (Correspondence) Original Source

Climate-driven ecosystem succession in the Sahara: The past 6000 years

Desiccation of the Sahara since the middle Holocene has eradicated all but a few natural archives recording its transition from a "green Sahara" to the present hyperarid desert. Our continuous 6000-year paleoenvironmental reconstruction from northern Chad shows progressive drying of the regional terrestrial ecosystem in response to weakening insolation forcing …

Selling two environmental services: In-kind payments for bird habitat and watershed protection in Los Negros, Bolivia

Marketing several environmental services from a single area can help access diverse sources of funding and make conservation a more competitive land use. In Bolivia's Los Negros valley (Department of Santa Cruz), bordering the Ambor

The working for water programme: evolution of a payments for ecosystem services mechanism

A payments for ecosystem services (PES) system came about in South Africa with the establishment of the government-funded Working for Water (WfW) programme that clears mountain catchments and riparian zones of invasive alien plants to restore natural fire regimes, the productive potential of land, biodiversity, and hydrological functioning. The success …

Terms of reference for preparation of detailed project report of inter basin water transfer proposals

The National Water Development Agency (NWDA) was set up in 1982 as an autonomous society under Ministry of Water Resources to give concrete shape to these proposals by carrying out the detailed studies, surveys and investigation work and to prepare feasibility reports of the links under the National Perspective Plan. …

Paying for the hydrological services of Mexico's forests: Analysis, negotiations and results

Mexico faces both high deforestation and severe water scarcity. The Payment for Hydrological Environmental Services (PSAH) Program was designed to complement other policy responses to the crisis at the interface of these problems. Through the PSAH, the Mexican federal government pays participating forest owners for the benefits of watershed protection …

Designing payments for environmental services in theory and practice: An overview of the issues

Payments for environmental services (PES) have attracted increasing interest as a mechanism to translate external, non-market values of the environment into real financial incentives for local actors to provide environmental services (ES). In this introductory paper, we set the stage for the rest of this Special Issue of Ecological Economics …

Isotope techniques to identify recharge areas of springs for rainwater harvesting in the mountainous region of Gaucher area

Environmental isotope techniques have been employed to identify the recharge areas of springs in India, in order to construct artificial recharge structures for rainwater harvesting and groundwater augmentation for their rejuvenation. A model project was taken up in the mountainous region of Gaucher

Human-induced Arctic moistening

The Arctic and northern subpolar regions are critical for climate change. Ice-albedo feedback amplifies warming the Arctic, and fluctuations of regional fresh water inflow into the Arctic Ocean modulate the deep ocean circulation and thus exert a strong global influence.

Human-induced Arctic moistening

The Arctic and northern subpolar regions are critical for climate change. Ice-albedo feedback amplifies warming in the Arctic, and fluctuations of regional fresh water inflow to the Arctic Ocean modulate the deep ocean circulation and thus exert a strong global influence. By comparing observations to simulations from 22 coupled climate …

Death Looms for a Flood-Control Project

Death Looms for a Flood-Control Project BY FELICITY BARRINGER Published: April 9, 2008 STEELE BAYOU, Miss.

Hydrology

Satluj River is a major river of the Indus system and originates from Mansarovar lake in Tibet. The total catchment area of the Satluj upto Bhakra Dam is about 56875 sq km out of which about 36900 sq km lies in Tibet. The total catchment area upto Nathpa dam site …

Design aspects of Nathpa Dam

During July 1986, hydrological studies were carried out in consultation with Central Water Commission (CWC) to estimate the Probable Maximum Flood (PMF) based on snowmelt flood peak and the Probable Maximum Precipitation (PMP) in the catchment area of the Nathpa dam.

Global and regional climate changes due to black carbon

Abstract Black carbon in soot is the dominant absorber of visible solar radiation in the atmosphere. Anthropogenic sources of black carbon, although distributed globally, are most concentrated in the tropics where solar irradiance is highest. Black carbon is often transported over long distances, mixing with other aerosols along the way. …

Water: Muddy waters

India is considering an ambitious plan to link the majority of its major river basins through a vast network of canals, diverting billions of litres from the country's more water-rich river basins to those that are water-deprived. Directed by India's National Water Development Agency (NWDA), the first canal of the …

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