{"id":95,"date":"2012-02-22T23:00:24","date_gmt":"2012-02-22T23:00:24","guid":{"rendered":"http:\/\/www.iceh.net\/?p=95"},"modified":"2012-02-23T00:18:45","modified_gmt":"2012-02-23T00:18:45","slug":"generation-of-waves-by-wind","status":"publish","type":"post","link":"https:\/\/www.iceh.net\/?p=95","title":{"rendered":"Generation of Waves by Wind"},"content":{"rendered":"<div style=text-align:right;><a class=\"wpptopdfenh\" target=\"_blank\" rel=\"noindex,nofollow\" href=\"https:\/\/www.iceh.net\/?p=95&#038;format=pdf\" title=\"Download PDF\"><img decoding=\"async\" alt=\"Download PDF\" src=\"http:\/\/www.iceh.net\/wp-content\/plugins\/wp-post-to-pdf-enhanced\/asset\/images\/pdf.png\"><\/a><\/div><p>The renowned astrophysicist, Arthur Eddington, provides a mathematical and poetic \u2018explanation\u2019 of the generation of waves by wind in the book of his lectures The Nature of the Physical World. These \u2018explanations\u2019 are but two of the many \u2018models\u2019 that humans draw-on in exploring the physical environment on which our health relies. The full text of Eddington\u2019s lecture is found at: <a href=\"http:\/\/www.giffordlectures.org\/Browse.asp?PubID=TPNOPW&amp;Volume=0&amp;Issue=0&amp;ArticleID=17\">giffordlectures.org<\/a><\/p>\n<p><a href=\"http:\/\/www.giffordlectures.org\/Browse.asp?PubID=TPNOPW&amp;Volume=0&amp;Issue=0&amp;ArticleID=17\"><br \/>\n<\/a><!--more--> <strong>Mathematical Model:<\/strong><\/p>\n<p>Maintenance against viscosity, by suitable forces applied to the surface.<\/p>\n<p>If the external forces <em>p\u2032<sub>yy<\/sub><\/em>, <em>p\u2032<sub>xy<\/sub><\/em> be given multiples of <em>e<sup>ikx + \u03b1t<\/sup><\/em>,<\/p>\n<p>where <em>k<\/em> and <em>\u03b1<\/em> are prescribed, thence the value of <em>\u03b7<\/em>.<\/p>\n<p>Thus we find where <em>\u03c3<\/em><sup>2<\/sup> has been written for <em>gk<\/em> + <em>T\u2032k<\/em><sup>3<\/sup> as before.\u2026<\/p>\n<p>a wind of less than half a mile an hour will leave the surface unruffled.<\/p>\n<p>At a mile an hour the surface is covered with minute corrugations due to capillary waves which decay immediately the disturbing cause ceases.<\/p>\n<p>At two miles an hour the gravity waves appear.<\/p>\n<p>\u201cOur theoretical investigations give considerable insight into the incipient stages of wave-formation\u201d.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Poetic Model:<\/strong> [From Rupert Brooks poem: <strong><em>The Dead<\/em><\/strong>]<\/p>\n<p><em> <\/em><\/p>\n<p><em>There are waters blown by changing winds to laughter<\/em><\/p>\n<p><em>And lit by the rich skies, all day. And after,<\/em><\/p>\n<p><em>Frost, with a gesture, stays the waves that dance<\/em><\/p>\n<p><em>And wandering loveliness. He leaves a white<\/em><\/p>\n<p><em>Unbroken glory, a gathered radiance,<\/em><\/p>\n<p><em>A width, a shining peace, under the night.<\/em><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Principle<\/strong><\/p>\n<p>Explore how we are informed by patterns disclosed in nature and are moved to be in full solidarity with one another in all the professions, trades and disciplines so as to promote and maintain sustainable environmental health governance practices.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The renowned astrophysicist, Arthur Eddington, provides a mathematical and poetic \u2018explanation\u2019 of the generation of waves by wind in the book of his lectures The Nature of the Physical World. These \u2018explanations\u2019 are but two of the many \u2018models\u2019 that humans draw-on in exploring the physical environment on which our health relies. The full text [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":100,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[3],"tags":[17,16,18,19],"class_list":["post-95","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-the-wisdom-of-the-ages","tag-science","tag-soft","tag-waves","tag-wind"],"_links":{"self":[{"href":"https:\/\/www.iceh.net\/index.php?rest_route=\/wp\/v2\/posts\/95","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iceh.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iceh.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iceh.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iceh.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=95"}],"version-history":[{"count":9,"href":"https:\/\/www.iceh.net\/index.php?rest_route=\/wp\/v2\/posts\/95\/revisions"}],"predecessor-version":[{"id":107,"href":"https:\/\/www.iceh.net\/index.php?rest_route=\/wp\/v2\/posts\/95\/revisions\/107"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iceh.net\/index.php?rest_route=\/wp\/v2\/media\/100"}],"wp:attachment":[{"href":"https:\/\/www.iceh.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=95"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iceh.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=95"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iceh.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=95"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}