{"id":86629,"date":"2025-06-01T04:17:23","date_gmt":"2025-06-01T04:17:23","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=86629"},"modified":"2025-06-01T04:17:23","modified_gmt":"2025-06-01T04:17:23","slug":"the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate\/","title":{"rendered":"The edge effect at the contact of continental fresh water and sea wate"},"content":{"rendered":"<p>The edge effect at the contact of continental fresh water and sea water results in:<\/p>\n<p>[amp_mcq option1=&#8221;non-deposition of sediments due to turbulence.&#8221; option2=&#8221;deposition of sand due to fall in system energy.&#8221; option3=&#8221;deposition of organic matter due to density difference.&#8221; option4=&#8221;flocculation of clays resulting in formation of mud deposits.&#8221; correct=&#8221;option4&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC Geoscientist &#8211; 2020<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-geoscientist-2020.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-geoscientist-2020\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nWhen freshwater mixes with saltwater, especially in estuaries, the dissolved salts (ions) in the saltwater neutralize the negative charges on clay particles carried by the freshwater. This neutralization reduces the electrostatic repulsion between clay particles, causing them to clump together (flocculate) and settle out of suspension, forming mud deposits.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nFlocculation of clay particles is a key process occurring at the salt-freshwater interface in estuaries, driven by changes in salinity.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThis flocculation and subsequent deposition of fine sediments are major factors contributing to the formation of muddy bottoms, tidal flats, and salt marshes characteristic of estuarine environments. The mixing zone, where this occurs, is often referred to as the &#8220;turbidity maximum.&#8221;<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>The edge effect at the contact of continental fresh water and sea water results in: [amp_mcq option1=&#8221;non-deposition of sediments due to turbulence.&#8221; option2=&#8221;deposition of sand due to fall in system energy.&#8221; option3=&#8221;deposition of organic matter due to density difference.&#8221; option4=&#8221;flocculation of clays resulting in formation of mud deposits.&#8221; correct=&#8221;option4&#8243;] This question was previously asked in &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"The edge effect at the contact of continental fresh water and sea wate\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate\/#more-86629\">Detailed Solution<span class=\"screen-reader-text\">The edge effect at the contact of continental fresh water and sea wate<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1091],"tags":[1288,1156,1106],"class_list":["post-86629","post","type-post","status-publish","format-standard","hentry","category-upsc-geoscientist","tag-1288","tag-hydrosphere","tag-world-and-physical-geography","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The edge effect at the contact of continental fresh water and sea wate<\/title>\n<meta name=\"description\" content=\"When freshwater mixes with saltwater, especially in estuaries, the dissolved salts (ions) in the saltwater neutralize the negative charges on clay particles carried by the freshwater. This neutralization reduces the electrostatic repulsion between clay particles, causing them to clump together (flocculate) and settle out of suspension, forming mud deposits. Flocculation of clay particles is a key process occurring at the salt-freshwater interface in estuaries, driven by changes in salinity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The edge effect at the contact of continental fresh water and sea wate\" \/>\n<meta property=\"og:description\" content=\"When freshwater mixes with saltwater, especially in estuaries, the dissolved salts (ions) in the saltwater neutralize the negative charges on clay particles carried by the freshwater. This neutralization reduces the electrostatic repulsion between clay particles, causing them to clump together (flocculate) and settle out of suspension, forming mud deposits. Flocculation of clay particles is a key process occurring at the salt-freshwater interface in estuaries, driven by changes in salinity.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T04:17:23+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"The edge effect at the contact of continental fresh water and sea wate","description":"When freshwater mixes with saltwater, especially in estuaries, the dissolved salts (ions) in the saltwater neutralize the negative charges on clay particles carried by the freshwater. This neutralization reduces the electrostatic repulsion between clay particles, causing them to clump together (flocculate) and settle out of suspension, forming mud deposits. Flocculation of clay particles is a key process occurring at the salt-freshwater interface in estuaries, driven by changes in salinity.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate\/","og_locale":"en_US","og_type":"article","og_title":"The edge effect at the contact of continental fresh water and sea wate","og_description":"When freshwater mixes with saltwater, especially in estuaries, the dissolved salts (ions) in the saltwater neutralize the negative charges on clay particles carried by the freshwater. This neutralization reduces the electrostatic repulsion between clay particles, causing them to clump together (flocculate) and settle out of suspension, forming mud deposits. Flocculation of clay particles is a key process occurring at the salt-freshwater interface in estuaries, driven by changes in salinity.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T04:17:23+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate\/","name":"The edge effect at the contact of continental fresh water and sea wate","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T04:17:23+00:00","dateModified":"2025-06-01T04:17:23+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"When freshwater mixes with saltwater, especially in estuaries, the dissolved salts (ions) in the saltwater neutralize the negative charges on clay particles carried by the freshwater. This neutralization reduces the electrostatic repulsion between clay particles, causing them to clump together (flocculate) and settle out of suspension, forming mud deposits. Flocculation of clay particles is a key process occurring at the salt-freshwater interface in estuaries, driven by changes in salinity.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-edge-effect-at-the-contact-of-continental-fresh-water-and-sea-wate\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC Geoscientist","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-geoscientist\/"},{"@type":"ListItem","position":3,"name":"The edge effect at the contact of continental fresh water and sea wate"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86629","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=86629"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86629\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=86629"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=86629"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=86629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}