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	<id>http://earthwise-staging.bgs.ac.uk/index.php?action=history&amp;feed=atom&amp;title=OR%2F15%2F013_Model_assumptions%2C_limitations_and_uncertainty</id>
	<title>OR/15/013 Model assumptions, limitations and uncertainty - Revision history</title>
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	<updated>2026-04-16T05:22:27Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://earthwise-staging.bgs.ac.uk/index.php?title=OR/15/013_Model_assumptions,_limitations_and_uncertainty&amp;diff=9812&amp;oldid=prev</id>
		<title>Dbk at 12:13, 7 May 2015</title>
		<link rel="alternate" type="text/html" href="http://earthwise-staging.bgs.ac.uk/index.php?title=OR/15/013_Model_assumptions,_limitations_and_uncertainty&amp;diff=9812&amp;oldid=prev"/>
		<updated>2015-05-07T12:13:55Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 13:13, 7 May 2015&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;      &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;      &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category: OR/15/013 A physical property model of the Chalk of southern England | &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;07&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category: OR/15/013 A physical property model of the Chalk of southern England | &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;09&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Dbk</name></author>
	</entry>
	<entry>
		<id>http://earthwise-staging.bgs.ac.uk/index.php?title=OR/15/013_Model_assumptions,_limitations_and_uncertainty&amp;diff=9811&amp;oldid=prev</id>
		<title>Dbk: Protected &quot;OR/15/013 Model assumptions, limitations and uncertainty&quot; ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]</title>
		<link rel="alternate" type="text/html" href="http://earthwise-staging.bgs.ac.uk/index.php?title=OR/15/013_Model_assumptions,_limitations_and_uncertainty&amp;diff=9811&amp;oldid=prev"/>
		<updated>2015-05-07T12:13:48Z</updated>

		<summary type="html">&lt;p&gt;Protected &amp;quot;&lt;a href=&quot;/index.php/OR/15/013_Model_assumptions,_limitations_and_uncertainty&quot; title=&quot;OR/15/013 Model assumptions, limitations and uncertainty&quot;&gt;OR/15/013 Model assumptions, limitations and uncertainty&lt;/a&gt;&amp;quot; ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 13:13, 7 May 2015&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Dbk</name></author>
	</entry>
	<entry>
		<id>http://earthwise-staging.bgs.ac.uk/index.php?title=OR/15/013_Model_assumptions,_limitations_and_uncertainty&amp;diff=9767&amp;oldid=prev</id>
		<title>Dbk: Created page with &quot;__notoc__ {{OR/15/013}} The model is precisely fitted to well markers at borehole control points, however these are often widely (20 km or more) spaced and the model may not a...&quot;</title>
		<link rel="alternate" type="text/html" href="http://earthwise-staging.bgs.ac.uk/index.php?title=OR/15/013_Model_assumptions,_limitations_and_uncertainty&amp;diff=9767&amp;oldid=prev"/>
		<updated>2015-05-07T08:10:30Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;__notoc__ {{OR/15/013}} The model is precisely fitted to well markers at borehole control points, however these are often widely (20 km or more) spaced and the model may not a...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;__notoc__&lt;br /&gt;
{{OR/15/013}}&lt;br /&gt;
The model is precisely fitted to well markers at borehole control points, however these are often widely (20 km or more) spaced and the model may not accurately record the geology of the Chalk in areas between boreholes. There may be folds, faults and flexures which have not been properly represented in the model. The model has not been force-fitted to the elevation-attributed DigMapGB-50 geological linework so there will only be approximate correspondence between the modelled outcrop position and that shown on geological maps. This disparity partly results from the coarse (1 km or more) down sampling of DTM grids during the SKUA model building process.&lt;br /&gt;
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    &lt;br /&gt;
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[[category: OR/15/013 A physical property model of the Chalk of southern England | 07]]&lt;/div&gt;</summary>
		<author><name>Dbk</name></author>
	</entry>
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