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Ecosystems

Water Quality Status of Historical Gundolav Lake - Kishangarh - South Asian Journal of Tourism and Heritage

This document published in the South Asian Journal of Tourism and Heritage describes the water quality analysis study of Gundolav Lake in Rajasthan, which was once used for drinking water as well as for recreational activities under the tutelage of the princely state of Kishangarh. This has now become a site of wastewater disposal and facing a critical threat for its sustenance. Read More

Location

Kishangarh, RJ, India
Latitude: 26.572754, Longitude: 74.866848

A Framework for India’s Water Policy - Economic and Political Weekly

This document published in the Economic and Political Weekly begins by arguing that India’s annually renewable water resources are finite and are subject to uncertain climatic variability and that these resources need to be systematically monitored and managed to meet the needs of a diverse society.

India will thus benefit from a unifying national water policy that combines scientific knowledge of India’s water resource systems with the nation’s democratic ideals so as to achieve an equitable sharing of this vital resource among all segments of society.Read More

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A Framework for India's Water Policy - Economic and Political Weekly (2010)314.59 KB

Water, climate change and adaptation: Focus on the Ganges river basin by Challenge Program on Water and Food

This working paper by the Challenge Program for Water and Food explores the intersection between water management, climate change, and adaptation in the Ganges River system, a basin vital to the security, economy, and environment of South Asia. 

Recognizing that an understanding of both the science and the policy of water management, climate change, and adaptation is rapidly evolving, it is not the intention of the paper to encompass all the issues related to these broad fields, but rather to provide a starting framework from which to further develop research questions and priorities for work in water and adaptation.

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Location

Haridwar, UP, India
Latitude: 29.837848, Longitude: 77.973865

Indo-Gangetic river basins: Summary situation analysis by Challenge Program on Water and Food

The paper by the Challenge Programme on Water and Food (CPWF) - Basin Focal Project provides a brief situation analysis related to water, agriculture & poverty, water resources, water productivity, institutional aspects and opportunities & risks related to the development of the Indo-Gangetic basin (IGB). Management of IGB water resources presents some formidable challenges and, therefore, steps must be taken towards integrated management of the IGB’s water and land resources in order to ensure the future sustainability of all production and ecosystems in the basin. 

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Location

Allahabad, UP, India
Latitude: 25.442540, Longitude: 81.829866

Dams and development: A new framework for decision-making - A report of the World Commission on Dams

The report by the World Commission on Dams begins by arguing that the debate about dams is a much broader issue and is important for everyone since it is a debate about the very meaning, purpose and pathways for achieving development. It is complex because the issues are not confined to the design, construction and operation of dams themselves, but include a range of social, environmental and political choices that define development.

Dams fundamentally alter rivers and the use of a natural resource, frequently entailing a reallocation of benefits from local riparian users to new groups of beneficiaries at a regional or national level. At the heart of the dams debate are fundamental issues of equity, governance, justice and power. The report argues that the main challenge lies in reconciling the competing needs between different groups of actors and provides a framework to deal with these fundamental issues in the dam debate.Read More

A preliminary ecosystem services assessment of likely outcomes of the proposed Pancheshwar dam in India/Nepal - An IES report (2010)

A preliminary ecosystem services assessment of likely outcomes of the proposed Pancheshwar dam in India/Nepal - An IES reportThis report by the IES presents the findings of a study that explores the likely impacts of the recent proposals in India to build a dam at Pancheshwar in the Himalayas on the river ecosystems and the surrounding areas and people involved. This dam will be the world's second tallest structure intended to harness hydroelectric power and water by controlling the flow of the Kali river and its tributaries.

The document argues that although there are many benefits of the dam in terms of energy and water, the wider ramifications of the dam and its consequences for the people staying around the area have not been thought about in the planning process. The planning process has not engaged local people in the decision-making process, there is paucity of published information and the environmental and social consequences have been considered belatedly in the planning process.Read More

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A preliminary ecosystem services assessment of likely outcomes of the proposed Pancheshwar dam in India/Nepal - An IES report (2010)666.5 KB

Flood plain mapping in a part of Yamuna basin – A research report by National Institute of Hydrology

The study deals with flood plain mapping in a part of Yamuna basin between Gangoh and New Delhi. A flood is a markedly high stage of flow in a river and may inundate adjoining lands, which is called the floodplain of a river. So, floodplain is land inundated by a flood of given frequency. Alternately it is also defined as flat land between valley walls.

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Flood plain mapping in a part of Yamuna river by NIH (1996-97)488.66 KB

Location

New Delhi, DL, India
Latitude: 28.635308, Longitude: 77.224960

Flow computation in Saptamukhi river estuary of Sunderbans delta in West Bengal using finite element method – A research report by National Institute of Hydrology

The study deals with flow computation in Saptamukhi river estuary in Sunderbans delta of West Bengal using finite element method. Complex interactions between physical, chemical and biological processes are present in coastal areas. Water circulation is one of the most important factors controlling these processes. The study of the real hydrodynamic regime and proper management of estuaries, lagoons and coastal regions due to high tides, peak flows erosion, sedimentation and pollutant load discharges is vital.

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Flow computation of Saptamukhi river estuary in Sunderbans delta of West Bengal using finite element model by NIH (1996-97)1.24 MB

Location

Sagar, WB, India
Latitude: 26.321274, Longitude: 89.440234

Estimation of evaporation losses from water surface in Tawa reservoir – A research report by National Institute of Hydrology

The report deals with estimation of evaporation losses from water surface in Tawa reservoir in Hoshangabad district of Madhya Pradesh. The study is third in the series of evaporation studies to assess the adaptability of different methods for estimation of evaporation from free water surfaces in semi-arid areas. The estimates of evaporation from free water surface obtained by four methods namely Penman, Kohler, Van Bavel and Morton are compared with observed pan values on monthly, seasonal and annual basis.

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Estimation of evaporation losses from water surface of Tawa reservoir by NIH (1996-97)463.87 KB

Location

Hoshangabad, MP, India
Latitude: 22.746128, Longitude: 77.719356

Investigation of the capability of Artificial Neural Network technique for estimating evapotranspiration from minimum weather data – A research report by National Institute of Hydrology

The study attempted to estimate the actual crop evapotranspiration from minimum weather data of Tavanur, Kerala and resulted in an Artificial Neural Network (ANN) model, which makes use of average temperature data to estimate the actual evapotranspiration. The effectiveness of this model was evaluated using various statistical indices. The results of this model were compared with various existing techniques. The analysis led to the conclusion that the ANN models were performing better than all existing techniques for computing the actual evapotranspiration. However, the study was based on a single season lysimeter data and more research work may be required to reinforce this conclusion.

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Investigation on the capability of Artificial Neural Network for estimating evapotranspiration from minimum weather data by NIH (1999-2000)514.41 KB

Location

Tavanur, KL, India
Latitude: 10.851389, Longitude: 75.987222

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