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River Basin

The impacts of water infrastructure and climate change on the hydrology of the Upper Ganges river basin – A research report by IWMI

GangaThis study by International Water Management Institute (IWMI) assessed the variability of flows under present and ‘naturalized’ basin conditions in the Upper Ganges Basin. The Ganges river system originates in the Central Himalayas, and extends into the alluvial Gangetic Plains and drains into the Indian Ocean at the Bay of Bengal. In the upstream mountainous regions, hydropower is the main focus of development with mega and micro projects either under construction or being planned in both Nepal and India.

After the main river channel reaches the plains, it is highly regulated with dams, barrages and associated irrigation canals. All this infrastructure development and abstractions affects the river’s flow regime and reduces flows, which, in turn, impacts downstream water availability, water quality and riverine ecosystems. Furthermore, there are concerns that climate change is likely to exacerbate the water scarcity problem in the Ganges Basin. Therefore, modeling the hydrology of the basin is critical for estimation, planning and management of current and future water resources.Read More

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Adaptive water resource management in the Lower Bhavani project command area in Tamil Nadu – A research report by IWMI

BhavaniThis study by International Water Management Institute (IWMI) explores the theory and practice of adaptive management based on a detailed field study in the Lower Bhavani project command area.

To what extent farmers and water resource managers already practice adaptive management and whether it is practiced in an optimal manner or could there be areas for improvement based on recent advancements in the theory of adaptive management are some of the questions that are particularly appropriate in the light of rapid changes in river basin water use and also in relation to basin closure.

This paper draws on the development and use of water resources in the Lower Bhavani Project (LBP), with the LBP reservoir and the 84,000 hectare (ha) LBP command area. The project diverts water from the Bhavani River, a tributary of the Cauvery River in Tamil Nadu.

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Adaptive water resource management in the Lower Bhavani project command area in Tamil Nadu – A research report by IWMI (2009)667.65 KB
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Prospects and policy challenges in the Twelfth Plan – A special article by Montek Singh Ahluwalia in EPW

This paper by Montek Singh Ahluwalia in Economic and Political Weekly attempts to review the recent performance of the economy and lists the priorities and challenges for the Twelfth Plan. The year 2011-12 is the last year of the Eleventh Plan and this is therefore an appropriate time to review what has been achieved with a view to identify weaknesses in the strategy that need to be corrected, and also identify new challenges that may require new initiatives. The paper is presented in the hope of spurring a broader discussion on these issues.

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Prospects and policy challenges in the Twelfth Plan – A special article by Montek Singh Ahluwalia in EPW (2011)492.68 KB
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National Water Policy - An alternative draft for consideration by Ramaswamy R Iyer - Economic and Political Weekly

This paper in the Economic and Political Weekly presents the contours of an alternative water policy document by Ramaswamy R Iyer. It sets forth for consideration a broad national perspective on the nature of water and on its prudent, wise, sustainable, equitable and harmonious use. The Ministry of Water Resources is at present engaged in revising the National Water Policy 2002. Iyer is of the opinion that instead of trying to make changes in the 2002 Policy, the Ministry should put it aside and draft a new policy, starting from first principles.

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National Water Policy - An alternative draft for consideration by Ramaswamy R Iyer - Economic and Political Weekly (2011)289.84 KB
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Bracing for flood hazards – A commentary in Current Science

This commentary by K S Valdiya in Current Science deals with the increased incidence of spells of intense-extreme rainfall, the resultant obstructions in floodways, the loss of carrying-holding capacity of rivers and the channelization of floodwater.

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Bracing for flood hazards – A commentary in Current Science (2011)182.7 KB
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Integrated River Basin Planning – Experience on policy and practice in Pamba River Basin in Kerala – A report by APSF Environment Project

Pamba River BasinThese reports by the APSF (Action Plan Support Facility) Environment project supported by the Government of Kerala and its Pamba River Authority under a European Union funded project deal with the Integrated Water Resource Management (IWRM) roadmap for the Pamba River Basin and present a replicable model for river basin management of intra-state rivers in India. The Pamba Pilot Project’s aim was to deliver “Policy Support to Integrated River Basin Management” and to contribute to the continuing EU-India policy dialogue in the water sector.

The Pamba Basin IWRM pilot project has been implemented through targeted training/working sessions, consultations, a broad stakeholder forum as well as a final dialogue on the IWRM Roadmap for the Pamba River Basin. Moreover, the press was invited at several occasions assuring that the process towards IWRM in the Pamba Basin reached an even broader group of stakeh olders. The end result was an IWRM Roadmap for the Pamba River Basin that was presented in December 2010 in a stakeholder dialogue by the Government of Kerala.

The present document aims to provide relevant background information on global experiences in IWRM approaches as well as experience gained in river management planning in Kerala State that may be replicable in other parts of India.

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Integrated River Basin Planning – Preparing a Roadmap for Pamba River Basin in Kerala – A report by APSF Environment Project (2010)3.24 MB
Policy Brief - Integrated River Basin Planning – Preparing a Roadmap for Pamba River Basin in Kerala – A report by APSF Environment Project (2010)3.95 MB
Integrated River Basin Planning – Replicable model based on Pamba River Basin in Kerala – A report by APSF Environment Project (2010)2.52 MB

Location

Alappuza, KL, India
Latitude: 9.490368, Longitude: 76.326492

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Irrigation system operation practices - A handbook by Central Water Commission (1990)

This handbook on “Irrigation System Operation Practices” by the Central Water Commission has been developed to build in a scientific approach as well as homogeneity in renewing the irrigation practices in the country. For increasing agricultural productivity from existing irrigation systems, improved operation of the systems coupled with timely maintenance of the systems has a major role to play.

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Irrigation system operation practices - A handbook by CWC (1990) (Low-resolution version)11.16 MB
Irrigation system operation practices - A handbook by CWC (1990) (High-resolution version)42.27 MB
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Evaluating and mapping of SCS Curve Numbers for Lokapavani catchment of Karnataka

This study by Geospatial World attempts to collect and analyse data concerning the catchment characteristics that affect direct runoff such as soil type, land cover and rainfall for the catchment of Lokapavani river in Karnataka using remote sensing and GIS techniques. An attempt has been made to determine the weighted average Curve Number (CN) for different land use, land cover and soil types in Lokapavani catchment in order to estimate the runoff.Read More

Location

Srirangapatna, KA, India
Latitude: 12.417957, Longitude: 76.694687

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From policy to practice - Koshi river basin management

This document titled “From Policy to Practice” is a process documentation of Water and Energy Commission Secretariat (WECS) and World Wildlife Fund’s (WWF) joint initiative for the first field piloting of Integrated Water Resource Management (IWRM) approach as prioritized by the National Water Plan 2005 in Koshi River Basin, Nepal.

This pictoral document explains the effort to translate policy into practice by showcasing Koshi River Basin Management Program as a model for conservation and wise use of water and its resources to secure life and livelihoods of generations to come by addressing the impacts of climate change.Read More

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Policy to practice - Koshi River Basin Management by WWF (2010)3.23 MB
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Earth sciences in watershed management – A presentation by ACWADAM

This presentation by ACWADAM on earth sciences in watershed management shows how the occurrence of water within a watershed is governed by the rock types occurring both at the surface and within the subsurface, their sequence and their structure. The presentation deals with the basic components involved in the mapping of a watershed –Read More

  • The type of rocks (lithology), and
  • The structure (whether these are folded, faulted, fractured, jointed etc.,)

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Arghyam

6.22-2011.07.01-06