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 …

Rapid urbanization and induced flood risk in Noida, India

The amount and intensity of runoff at catchment scale are largely determined by the presence of impervious land cover types, which are predominant in an urbanized area. This paper examines the impact of different methods for estimating impervious surface cover on the prediction of peak discharges as determined by a …

Development of conceptual groundwater flow model for Pali Area, India

Development of representative conceptual groundwater flow model is an important step before translating it into a numerical model. In this paper, a methodology for development of conceptual groundwater flow model has been presented in which spatially distributed values for groundwater recharge has been utilized instead of lump sum average values …

Basin level water resources assessment using space input: a pilot study in Godavari basin, and Brahmani-Baitarni basins

The scope of this report is to submit the results of the pilot study on water resources assessment using space inputs. Annual water resources during the period 1988-89 to 2007-80, mean annual water resources, water resources during the extreme rainfall conditions in the Godavari, and Brahmani - Baitarni basins are …

Ground water year book - India 2010 -11

Ground water levels are being measured four times a year during January, April/ May, August and November. The regime monitoring started in the year 1969 by Central Ground Water Board. At present a network of 15640 observation wells located all over the country is being monitored. Ground water samples are …

Alternative national water policy: A response to comments

This is in response to the comments made by Rahul Banerjee (“National Water Policy”, 13 August 2011) and Chetan Pandit (“Alternative National Water Policy: A Critique”, 10 September 2011) on my article “National Water Policy: An Alternative Draft for Consideration” (25 June 2011).

Monitoring of seasonal snow cover in Bhutan using remote sensing technique

All major rivers in Bhutan depend on snowmelt for discharge. Therefore, changes in snow cover due to climate change can influence distribution and availability of water. However, information about distribution of seasonal snow cover in Bhutan is not available. The MODIS snow product was used to study snow cover status …

Ramp up policy action to fight forest invasive species

The country would need to evolve a new policy framework and initiate purposeful action to deal effectively with forest invasive species. In a growingly globalising world where man and material move to and from continents, it is a given that alien species would too keep track. This movement is as …

China launches two satellites

China placed two satellites in orbit on Sunday, including a spacecraft that will collect and relay data for disaster relief efforts, state press reported. The two satellites were successfully launched aboard a Long March carrier rocket, China’s main space launch vehicle, from northwest China’s Jiuquan satellite launch centre, Xinhua news …

Tipai dam to wreak eco havoc for long, Reveals hydrological impact study

The Tipaimukh Dam will decrease water flow in the Barak river during the monsoon, reduce the navigability of the Surma and the Kushiyara, dry up some beels and haors and increase riverbank erosion 100-150km downstream. The impact of the dam, like reduced water flow during the monsoon, will be visible …

Effect of peaking power generation by Siang Lower HEP, Demwe Lower HEP and Dibang Multipurpose HEP on Dibru-Saikhowa national park

The Dibru-Saikhowa National Park is situated on the Left Bank of the river Brahmaputra in the extreme east of Assam and falls between the following geographical coordinates: Latitudes: 27° 30’ – 27° 45’N, Longitudes: 95°10’ – 95° 45’E. Brahmaputra River is mainly formed by confluence of three rivers namely Siang …

Missing the woods for the ore: Goa’s development myopia

A recent report by the National Council of Applied Economic Research comparing benefits and costs of mining and forest services finds that mining benefits outweigh the costs they impose. A scrutiny of the methodology of the report suggests an overvaluation of social benefits and undervaluation of social costs. The report …

Payment for environmental services: first global inventory of schemes provisioning water for cities

This new report is a global inventory of identified Payment for environmental services (PES) —water for cities? schemes and —pre PES water schemes? around the world.

The impacts of water infrastructure and climate change on the hydrology of the Upper Ganges river basin

Provision of detailed continuous long-term hydrological time series data for any river basin is critical for estimation, planning and management of its current and future water resources. Most of the river basins in India are data poor, including its iconic river – Ganga (Ganges). This study assessed the variability of …

Conflicting studies fuel arsenic debate

Uncertainties over contaminated groundwater in southern Asia highlight gaps in science.

The next dust bowl

Drought is the most pressing problem caused by climate change. It receives too little attention, says Joseph Romm.

Remaking the Mekong

Scientists are hoping to stall plans to erect a string of dams along the Mekong River.

Nod to Lavasa Project Only After Terms Met, and Final HC Order

The environment ministry has said that it can grant final environmental clearance to Lavasa’s Hill City near Pune only after all five pre-conditions recommended by its expert appraisal committee were met and after the final orders of the Bombay High Court. The pre-conditions include “credible action” by the Maharashtra state …

Pakistan faces threat of water scarcity

The United Nations has placed Pakistan among the ‘water hotspots’ of Asia-Pacific region, saying that the country is facing major threats of increasing water scarcity, high water utilisation, deteriorating water quality and climate change risk. Changes in weather patterns across the world have increased occurrences and intensities of extreme events …

Preservation of forest must for environment, ecology: Altaf

SRINAGAR: Minister for Forests and Environment Mian Altaf Ahmad today stressed the need for preservation of forest wealth which is must for environment and ecology. The Minister was addressing at a function after inaugurating two-day national seminar on Himalayan resources, issues, challenges and management strategies at Kashmir University Srinagar. The …

Hydrological response to predicted land cover change in the upper Shire River catchment, Malawi

The problem of water shortage and competition is getting increased attention in the field of water management. Good quality ground and surface water may become too scarce to allow for sustainable use for various functions. With increasing human activities, it is important to understand interactions between hydrological regimes and associated …

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