{"id":87,"date":"2010-06-18T13:25:00","date_gmt":"2010-06-18T13:25:00","guid":{"rendered":"http:\/\/blogs.agu.org\/landslideblog\/2010\/06\/18\/river-flows-at-attabad\/"},"modified":"2010-10-21T13:35:23","modified_gmt":"2010-10-21T17:35:23","slug":"river-flows-at-attabad","status":"publish","type":"post","link":"https:\/\/blogs.agu.org\/landslideblog\/2010\/06\/18\/river-flows-at-attabad\/","title":{"rendered":"River flows at Attabad"},"content":{"rendered":"<p>Thanks to Dr David Archer of the University of Newcastle for an analysis of the dates of peak flows on the Hunza.&nbsp; The analysis is for Danyor (sometimes spelt &#8220;Dainyore&#8221;), which is near to Gilgit downstream of Attabad (there is no hydrograph data for Attabad itself), but it provides a clear insight into the current vs maximum flow in the river.<\/p>\n<div class=\"separator\" style=\"clear: both;text-align: center\"><a href=\"http:\/\/farm3.static.flickr.com\/2605\/3750100024_620a3a2791.jpg?v=0\"><img loading=\"lazy\" decoding=\"async\" border=\"0\" height=\"300\" src=\"http:\/\/farm3.static.flickr.com\/2605\/3750100024_620a3a2791.jpg?v=0\" width=\"400\" \/><\/a><\/div>\n<div style=\"text-align: center\"><span style='font-family: \"Helvetica Neue\",Arial,Helvetica,sans-serif;font-size: x-small'>&nbsp; Danyor (Dainyore) Bridge (from <a href=\"http:\/\/farm3.static.flickr.com\/2605\/3750100024_620a3a2791.jpg?v=0\">here<\/a>)<\/span><\/div>\n<p>This table shows the mean date of occurrence in the season of specific percentages of the peak flow based on the 33 year period from 1966 to 1998:<\/p>\n<p>Flow&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mean date&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; Standard Deviation (days)<br \/>Peak&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 29th July&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 14<br \/>50% of peak&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 26th June&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 11<br \/>20% of peak&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3rd June&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9<br \/>10% of peak&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 18th May&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 11<br \/>5% of peak&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2nd May &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 9<\/p>\n<p>This suggests that on average the current flow would be somewhere between 20% and 50% of the peak summer flow &#8211; i.e. that the spillway is going to have to cope with a great deal more water yet this summer.&nbsp; Assuming that the data are described by a normal distribution, we would expect that in 68% of years (representing 1 standard deviation) the peak flow would occur within 14 days of 29th July (i.e. between 15th July and 12th August.<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Thanks to Dr David Archer of the University of Newcastle for an analysis of the dates of peak flows on the Hunza.&nbsp; The analysis is for Danyor (sometimes spelt &#8220;Dainyore&#8221;), which is near to Gilgit downstream of Attabad (there is no hydrograph data for Attabad itself), but it provides a clear insight into the current vs maximum flow in the river. &nbsp; Danyor (Dainyore) Bridge (from here) This table shows &hellip;<!-- AddThis Advanced Settings generic via filter on wp_trim_excerpt --><!-- AddThis Share Buttons generic via filter on wp_trim_excerpt --><\/p>\n","protected":false},"author":22,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[967,47,58,15,10],"class_list":["post-87","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-attabad","tag-barrier-lake","tag-hunza","tag-landslide-dam","tag-pakistan"],"_links":{"self":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts\/87","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/comments?post=87"}],"version-history":[{"count":0,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts\/87\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/media?parent=87"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/categories?post=87"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/tags?post=87"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}