The capital of Delhi along with north-western plains of India witnessed heavy showers in the months of February and March 2020. These regions had also witnessed unusually cold months in November-December 2019. The anomaly comes further to light when the overall rainfall figures for the month of March 2020 is seen to be the highest on record. For the country as a whole, cumulative rainfall during this year's pre-monsoon season (up to March 11, 2020) was above long period average (LPA) by 82 per cent. For central India, it was above LPA by as much as 212 per cent (Table-1). This year’s frequent weather disturbances, as seen in February-March 2020 are in continuation of the record breaking chilly weather witnessed in December 2020.
India has made admirable leaps in bringing cheap and efficient solar power to thousands of households across the country, securing its place as a leader within the international community. But we are far from building a self-sustaining renewable energy system that is equitable for all populations. The push towards cutting consumer tariffs for renewable energy has resulted in its unviable production for private companies, with infrequent and insufficient government subsidies unable to stop driving up the cost for individuals who choose to go green – therefore restricting access to low-income communities.
During winter, the atmosphere surrounding the Arctic region astonishingly becomes a storehouse of large concentrations of pollutants. This polluted air mass, almost as large as the African continent, covers the whole of the atmospheric region above the Arctic as well as extend down over Eurasia and North America (Shaw 1995). This ‘accumulation of visibility-reducing aerosols’ in the Arctic is known as the Arctic haze. The term was first used in 1956 by J. Murray Mitchell, a US Air Force officer stationed in Alaska, to describe “the haze encountered during the Ptarmigan (bird) reconnaissance flights” (Raatz 1983).
Remote sensing is a space-based satellite technique preferred for its repetitive coverage of inaccessible and rugged terrain for surface characterisation. This paper showcases climate change in the vulnerable polar realms by adapting different algorithms to the satellite technology to infer surface signatures.
The 7,500 kms long Indian coastline is dotted with many major and minor ports. The temporal increase in the volume of cargo is also indicative of the rising emissions by ships which NIOT is trying to minimise using innovative strategies.
Predicting wet or dry spells on a large scale, three to four weeks prior to its onset, is essential for agriculture and hydrology. Improved understanding of ocean and atmospheric interactions and innovation in forecast models in recent years have led to better predictions.
Research on Artificial Intelligence (AI) in India started in the 1960s. Since then, the scene has changed dramatically as far as AI and machine learning are concerned. The article outlines six recommendations for nurturing AI research ecosystem to develop national level capabilities in India.
The popular discourse on future of artificial intelligence oscillates between extreme tales of job loss and human-robot wars on the one hand and exceptional impact on all walks of life on the other. In this article we discuss these and related questions regarding the importance of AI in modern life.
The Indian coastline spreads over 7,500 km and is endowed with a wide variety of ecosystems, rich habitats and biodiversity. The coastal environment plays a vital role in the nation’s economy by virtue of its resources. These areas, however, are also facing complex issues due to increasing human population, urbanisation and accelerated developmental activities. Of the several threats faced by India’s coast, concern related to coastal erosion reigns high. The coast comprises multifaceted processes...
In the last 25 years, the National Institute of Ocean Technology (NIOT) has progressed from developing technology for shallow waters to deep waters. Coastal communities too have been provided access to desalinised potable water and have benefited from the tsunami warning system.