Research Papers

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Study reveals Indian dams to lose 26% water storage capacity by 2050
Annually, the globally averaged losses amount to approximately 0.36% of initial global storage capacity. Posted on 08 Feb, 2023 05:13 PM

Reservoir sedimentation is often seen as a site-specific process and is usually assessed at an individual reservoir level. At the same time, it takes place everywhere in the world. However, estimates of storage losses globally are largely lacking.

Hirakud Dam is the longest dam in India (Image: India Water Portal)
Heavy metals poison Veeranam lake in Tamil Nadu
This study found large deposits of heavy metals in the tissues and organs of water birds, crabs and fish inhabiting the lake indicating heavy metal contamination of the lake waters. Posted on 25 Jan, 2023 02:26 PM

Wetlands in India, under threat!

A view of the Veeranam lake in Tamil Nadu (Image Source: Giri9703 via Wikimedia Commons)
Blue-green infrastructure solutions for resilient cities
A 10-city study on the impacts of urbanization on natural infrastructure in India Posted on 23 Jan, 2023 06:57 PM

Urban development in all forms impacts the natural landscape, changing vegetation cover, infiltration rates and hydrological (surface and sub-surface) flows. With increasing urbanization urban areas lose a host of natural infrastructure and ecosystem services as ecosystems are modified, degraded and/ or shrunk.

Study indicates that blue-green spaces in core-city and peripheral areas are differentially impacted by the growing urban footprint (Image: Emmanuel Dyan)
Can rice residues be turned into wealth?
Institutional support, monetary and proper implementation of laws along with policy framework can solve this issue, says a state-of-the-art review in crop residue burning in India Posted on 22 Jan, 2023 11:26 AM

Sustainable management of surplus paddy residue in the Indo-Gangetic plain is a back-breaking task for farmers due to lack of viable options. Eventually, farmers prefer to incinerate it mindlessly.

A controlled burn on long-term conservation agriculture trials (Image: CIMMYT)
Preventing floods through grassland conservation
This study found that replacing natural grasslands and forests by exotic species increased the likelihood of flooding during extreme rainfall events in the Nilgiris. Posted on 21 Jan, 2023 02:54 PM

Erratic rainfall patterns and the risk of floods in mountain landscapes

Grasslands interspersed with pockets of montane Shola forests in the Nilgiris, Tamil Nadu (Image Source: Anand Osuri via Wikimedia Commons)
Local recycling of moisture via wetlands and forests high in North-East India
Floods in Brahmaputra greatly increases the surficial water availability in low lying floodplains and wetlands, promoting enhanced recycling via evaporation. Posted on 21 Jan, 2023 09:49 AM

North-East India, home to the wettest place on the planet (Mawsynram), is a major biodiversity hotspot.

The region with its vast wetlands and forest cover is akin to the Amazon (Image: Ashwin Kumar, Wikimedia Commons)
Fostering innovation in the green cooling sector
India’s cooling strategy can simultaneously mitigate the heat-related risks on lives and livelihoods, lower carbon emissions, and position India as a global hub for green cooling manufacturing. Posted on 07 Jan, 2023 08:53 AM

As temperatures rise across India, so will the demand for cooling. Severe heat waves, responsible for thousands of deaths across India over the last few decades, are increasing with alarming frequency.

Can India meet its growing domestic demand while also position itself as a manufacturing hub for cooling technologies? (Image: Gije Cho, CC)
Microplastics in tributaries of the Upper Ganga River
First report on microplastics in tributaries of Upper Ganga River along Dehradun Posted on 01 Jan, 2023 11:23 AM

Microplastic contamination has appeared as pollution of global concern in the aquatic as well as the terrestrial environment. In India, very few studies are available on microplastic load in freshwater ecosystems, despite the fact that rivers play a major role in transporting microplastics into the marine ecosystem. 

Microplastics (Image: Oregon State University, Wikimedia Commons)
Localised impacts of irrigation on economic development
Results show the impacts of agricultural productivity boosts in India can be highly heterogeneous Posted on 01 Jan, 2023 06:16 AM

Policymakers in developing countries have long emphasised improvements in agricultural productivity as a central strategy for promoting rural development.

Buckingham canal near Kasturba Nagar, Adyar (Image: India Water Portal)
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