Tag: Important Geophysical Phenomena

In Context Recently, a team of researchers has flagged the changing chemistry of the western region of the Arctic Ocean. More about the research Research observations: The research discovered that the acidity levels in Arctic seas are increasing three to four times faster than ocean waters elsewhere. Seawater is normally alkaline, with a pH value […]

In Context Recently, Hurricane Fiona hit the Dominican Republic and Puerto Rico. Correlation of Climate change & hurricanes  About: Although scientists have not yet concluded that Fiona’s behaviour or severity was influenced by climate change, there is compelling evidence that these catastrophic storms are getting worse. Change in nature of hurricanes: Hurricanes are becoming wetter, […]

In Context Monsoon rainfall in India has been surplus by around 7% this year though with extreme inequity.  More about the monsoon review Surplus precipitation: Central and southern India saw a sharp surge in rainfall.  Rains in Central India were surplus by 20% and in southern India by 25%, with the last month seeing several […]

In News  The American meteorologist Vernon Dvorak passed away at the age of 100.  He was best credited for developing the Dvorak (read as Do-rak) technique in the early 1970s.  Dvorak Technique About: A statistical method for estimating the intensity of tropical cyclones (TCs)  (hurricanes, cyclones and typhoons) from interpretation of satellite imagery. It uses […]

In Context Monsoon in India has undergone several changes over the recent years, especially on account of climate change.  More about the news The Indian Meteorological Department (IMD) has sighted that 2022 has seen the second highest extreme events since 1902.  Persistence of intense La Nina conditions,  The abnormal warming of East Indian Ocean,  Negative […]

In Context Slowing of continental plate movement was noted according to a new study published in Science Advances. More about the study Slowdown of continental plates in the past: A slowing of continental plate movement may have been the critical event that drove some of Earth’s most devastating extinction events. Researchers used models to reconstruct […]

In Context Recently various weather agencies like WMO and UN predicted a rare ‘triple-dip’ La Nina in 2022. More about the news World Meteorological Organization (WMO): WMO recently predicted that La Niña conditions, which involve a large-scale cooling of ocean surface temperatures, have strengthened in the eastern and central equatorial Pacific with an increase in […]

In Context In recent days, Jharkhand and Uttar Pradesh are experiencing the worst monsoon season of the century. More about the news Uttar Pradesh and Jharkhand have never experienced such poor monsoon rainfall in the last 122 years.  Jharkhand: Between June and August, the rainfall recorded over Jharkhand was 371.9mm against a normal of 627.6mm, […]

In Context According to a recent study published in Nature journal, giant meteorite impacts could be responsible for the formation of continents on Earth. More about the study About: According to the study, Earth’s continents were formed by massive meteorite impacts that were prevalent during the first billion years of our planet’s four and a […]