{"id":72588,"date":"2025-11-09T13:25:02","date_gmt":"2025-11-09T07:55:02","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=72588"},"modified":"2025-11-10T17:58:22","modified_gmt":"2025-11-10T12:28:22","slug":"scintillometer","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/scintillometer\/","title":{"rendered":"Scintillometer"},"content":{"rendered":"<h2><b>Scintillometer Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Recently, a scintillometer was installed at the Tamil Nadu Rice Research Institute (TRRI), Aduthurai, Tamil Nadu.<\/span><\/p>\n<h2><b>About Scintillometer<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is an <\/span><b>optical instrument<\/b><span style=\"font-weight: 400;\"> that <\/span><b>measures heat and moisture exchange<\/b><span style=\"font-weight: 400;\"> between the <\/span><b>land surface<\/b><span style=\"font-weight: 400;\"> and the <\/span><b>atmosphere.<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/li>\n<\/ul>\n<h2><b>Working of Scintillometer<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It operates by <\/span><b>transmitting a light beam<\/b><span style=\"font-weight: 400;\"> between two fixed points.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Minute, rapid fluctuations in the beam caused by turbulent air <\/span><b>known as scintillations<\/b><span style=\"font-weight: 400;\"> are analysed to estimate <\/span><b>heat transfer from the land to the atmosphere.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It was installed recently in an existing suite of sensors <\/span><b>at the TRRI Critical Zone Observatory (CZO).<\/b><\/li>\n<\/ul>\n<h3><b>Key Facts about Critical Zone Observatory of Tamil Nadu Rice Research Institute<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It was established under <\/span><b>Tamil Nadu Agricultural University<\/b><span style=\"font-weight: 400;\"> (TNAU) with support from the <\/span><b>National Centre for Earth Science Studies<\/b><span style=\"font-weight: 400;\"> (NCESS), and became <\/span><b>fully operational in 2022.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is <\/span><b>one of three such observatories<\/b><span style=\"font-weight: 400;\"> in India and the only one in Tamil Nadu.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The site records <\/span><b>weather parameters, soil moisture<\/b><span style=\"font-weight: 400;\"> and <\/span><b>direct air\u2013surface fluxes<\/b><span style=\"font-weight: 400;\">; the scintillometer now provides direct estimates of <\/span><b>sensible heat flux.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Main Instruments at about Critical Zone Observatory Site: Automatic Weather Station<\/b><span style=\"font-weight: 400;\">, COSMOS soil-moisture sensor, pan evaporimeter and eddy-covariance tower.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Functions:<\/b>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">The site records <\/span><b>weather parameters, soil moisture<\/b><span style=\"font-weight: 400;\"> and <\/span><b>direct air\u2013surface fluxes<\/b><span style=\"font-weight: 400;\">; the scintillometer now provides direct estimates of <\/span><b>sensible heat flux.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">These observations improve <\/span><b>estimates of evapotranspiration<\/b><span style=\"font-weight: 400;\">, soil moisture and local microclimate, directly supporting irrigation planning and local forecasts.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">The observatory will generate long-term datasets on <\/span><b>meteorological, canopy<\/b><span style=\"font-weight: 400;\"> and <\/span><b>hydrological parameters<\/b><span style=\"font-weight: 400;\"> for the <\/span><b>Cauvery delta.<\/b><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Advantages:<\/b><span style=\"font-weight: 400;\"> These are crucial for managing water and crops in this climate-sensitive agricultural region.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It would strengthen <\/span><b>climate-resilient decision-making<\/b><span style=\"font-weight: 400;\"> in the Cauvery delta.<\/span><\/li>\n<\/ul>\n<p><b>Source: <\/b><strong><a href=\"https:\/\/www.thehindu.com\/news\/cities\/Tiruchirapalli\/scintillometer-installed-at-trri-aduthurai-to-strengthen-critical-zone-research\/article70255914.ece\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A scintillometer is an optical instrument that measures heat and moisture exchange between the land surface and the atmosphere. <\/p>\n","protected":false},"author":24,"featured_media":72879,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,3621,22,23],"class_list":{"0":"post-72588","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-prelims-pointers","9":"tag-scintillometer","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/72588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=72588"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/72588\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/72879"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=72588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=72588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=72588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}