DAILY CURRENT AFFAIRS IAS | UPSC Prelims and Mains Exam – 18th December 2024
Archives (PRELIMS & MAINS Focus) CARNATIC MUSIC Syllabus: Prelims & Mains – ART & CULTURE Context: The Supreme Court in an interim order said that musician T M Krishna should not be recognised as a recipient of the Sangita Kalanidhi M S Subbulakshmi award and also restrained him from projecting himself as a recipient of the honour till it decides an appeal challenging the grant of the same to him. Background: – The top court’s order came a day after Mr. Krishna was conferred the award instituted by The Hindu and awarded by the Music Academy at the inauguration of its 98th annual Conference and Concerts in Chennai. About Carnatic music Carnatic music is a classical music tradition from Southern India, deeply rooted in the cultural and religious practices of the region. Origins and History: Ancient Roots: Carnatic music has ancient origins, with influences from the Sama Veda, one of the four Vedas containing hymns set to music. Temple Traditions: Temples played a significant role in the development and preservation of Carnatic music, with musical performances being integral to temple rituals. Bhakti Movement: The Bhakti movement, which gained prominence between the 6th and 17th centuries, contributed to the development of devotional music. Medieval Composers: Composers like Purandaradasa (1480-1564) systematized Carnatic music methods and authored numerous compositions. The Trinity: The 18th century saw the emergence of the Trinity of Carnatic music—Thyagaraja, Shama Shastri, and Muthuswami Dikshitar—who compiled compositions that define the Carnatic music repertoire. Key Concepts: Raga (Rāga): A melodic framework for improvisation and composition. Tala (Tāḷa): The rhythmic aspect of music, marked by mathematical precision. Bhava (Bhāva): The expression of emotions and thoughts through music. Instruments: Vocal: The human voice is the primary instrument in Carnatic music. Melody Instruments: Violin, Veena, Nadaswaram, and Flute are commonly used. Percussion Instruments: Mridangam, Ghatam, Kanjira, and Thavil are essential for rhythm. Performance Structure: Kriti (Kṛti): A structured composition that includes a pallavi (refrain), anupallavi (second verse), and charanam (final verse). Ragam Tanam Pallavi (Rāgam Tāṇam Pāḷavi): A complex and highly improvisational section showcasing the performer’s skill. Thillana (Tillāṇa): A rhythmic piece that concludes the performance. Notable Composers: Purandaradasa: Known as the father of Carnatic music. The Trinity: Thyagaraja, Shama Shastri, and Muthuswami Dikshitar Source: The Hindu PERSISTENT ORGANIC POLLUTANTS (POPs) Syllabus: Prelims – ENVIRONMENT Context: Scientists conducted a 10-year study on orcas in the North Atlantic Ocean. Despite these orcas living far from human settlements, researchers found high levels of persistent organic pollutants (POPs) in their blubber (the fat layer under their skin). Background: – One of the POPs found were polychlorinated biphenyls (PCBs). Used as coolants and lubricants in electrical components, they were banned in the US and Canada 50 years ago. The blubber samples also contained several other categories of POPs, whose “production, use, and/or release” were to be reduced or eliminated under Stockholm Convention on Persistent Organic Pollutants, signed in 2001. Key takeaways Persistent Organic Pollutants (POPs) are a group of toxic chemicals that are resistant to environmental degradation through chemical, biological, and photolytic processes. Characteristics: Persistence: POPs remain in the environment for extended periods without breaking down. Bioaccumulation: These pollutants accumulate in the fatty tissues of living organisms. Lipophilicity: POPs are highly soluble in fats and oils, leading to their accumulation in the food chain. Toxicity: They are toxic to both humans and wildlife, causing adverse health effects. Long-range Transport: Can be carried by wind and water to regions far from their source. Sources: Pesticides: Many POPs are pesticides or insecticides, such as DDT and aldrin. Industrial Chemicals: Some POPs are industrial chemicals like polychlorinated biphenyls (PCBs). Unintentional By-products: POPs can also be unintentional by-products of waste burning and industrial processes, such as dioxins and furans. International Regulation: Stockholm Convention: The Stockholm Convention on Persistent Organic Pollutants is a global treaty aimed at eliminating or restricting the production and use of POPs. It was adopted in 2001 and became effective in 2004. India is a signatory and has ratified the convention. Control Measures: The convention includes measures to prohibit or restrict the production, use, and release of POPs, as well as to ensure their safe disposal. Examples of POPs: The Dirty Dozen: The initial list of POPs identified by the Stockholm Convention includes aldrin, chlordane, dieldrin, endrin, heptachlor, hexachlorobenzene, mirex, toxaphene, PCBs, DDT, dioxins, and furans. New Additions: Over time, additional POPs have been added to the list, such as perfluorooctane sulfonic acid (PFOS). Source: Down To Earth KERCH STRAIT Syllabus: Prelims – GEOGRAPHY Context: Two Russian oil tankers have been badly damaged in the Black Sea, causing an oil spill. The incident took place in the Kerch Strait, which separates Russia from Crimea – the Ukrainian peninsula illegally annexed by Moscow in 2014. Background: The Kerch Strait is a key route for exports of Russian grain and it is also used for exports of crude oil, fuel oil and liquefied natural gas. Key takeaways: The Kerch Strait is a narrow waterway in Eastern Europe that connects the Black Sea with the Sea of Azov. Location: The strait separates the Kerch Peninsula of Crimea (part of the Russian-occupied Crimean Peninsula) to the west from the Taman Peninsula of Russia’s Krasnodar Krai to the east. Dimensions: The strait is approximately 35 kilometers long and varies in width from 3.1 kilometers to 15 kilometers. The average depth of the strait is around 18 meters. Historical Significance: Ancient Names: In ancient times, the strait was known as the Cimmerian Bosporus or Cimmerian Strait, named after the Cimmerians, a group of steppe nomads. Roman Era: The Romans referred to it as the Strait of Cimmerian Bosphorus. World War II: The strait was a significant site during World War II, witnessing naval battles and strategic operations. Modern Developments: Crimean Bridge: The Crimean Bridge, also known as the Kerch Strait Bridge, was completed in 2018. It is the longest bridge in Europe, spanning 19 kilometers (12 miles) and includes both road and rail connections. Conflict: The strait has been a point of conflict, especially after Russia’s
DAILY CURRENT AFFAIRS IAS | UPSC Prelims and Mains Exam – 18th December 2024 Read More »
