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<p class="MsoNormal">Dear Cryolist,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The Google Earth Engine Digitisation Tool (GEEDiT) and Margin change Quantification Tool (MaQiT) are new free, easy to use tools for:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">         
</span></span><![endif]>Visualisation of full resolution Landsat (4, 5, 7 and 8) and Sentinel (1 and 2) imagery in seconds<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">         
</span></span><![endif]>Rapid manual digitisation of polygon and/or polyline features directly from these images<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">         
</span></span><![endif]>Rapid quantification of distance change between these digitised margins using both established and new methods
<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l1 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">         
</span></span><![endif]>link to paper: <a href="https://www.earth-surf-dynam.net/6/551/2018/esurf-6-551-2018.html">
https://www.earth-surf-dynam.net/6/551/2018/esurf-6-551-2018.html</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">These tools were developed with the original intention to dramatically improve the efficiency of digitising tidewater glacier margins, though there’s undoubtedly many other potential uses for it both in glaciology and other fields, including
 the rapid scouting of field/study locations.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The only pre-requisites for using the tools are:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">         
</span></span><![endif]>Signing up for Google Earth Engine account using a Gmail address (sign up:
<a href="https://signup.earthengine.google.com/">https://signup.earthengine.google.com/</a>)<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">         
</span></span><![endif]>For MaQiT only, an installation of the free to download Matlab Runtime software (this should be automatically prompted for when downloading the MaQiT installer for Mac/Windows)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The tools can be accessed directly via links on the website <a href="http://www.liverpoolGEE.wordpress.com">
www.liverpoolGEE.wordpress.com</a> <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Comments, suggestions and questions about the tools are very welcome. I’m hoping that these will be first of several tools developed within Google Earth Engine that will improve the accessibility, efficiency and scales of satellite image
 analysis it is possible for both researchers and students to undertake.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The intention is for the tools to be as useful as possible to the community, so please do get in touch if you have ideas for uses or if the tools can be tweaked to better fit your research questions.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">All the best,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">James<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">________________________________</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:EN-GB"><br>
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">Dr James M Lea<br>
Lecturer in Glaciology<br>
</span><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black;mso-fareast-language:EN-GB"><br>
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">School of Environmental Sciences<br>
Roxby Building, University of Liverpool<br>
Liverpool<br>
L69 7ZT<br>
<br>
Tel: +44 (0)151 7942856<br>
Email: <a href="mailto:j.lea@liverpool.ac.uk">j.lea@liverpool.ac.uk</a><br>
Website: <a href="https://www.liverpool.ac.uk/environmental-sciences/staff/james-lea/">https://www.liverpool.ac.uk/environmental-sciences/staff/james-lea/</a><br>
Twitter: <a href="https://twitter.com/JamesMLea">@JamesMLea</a></span><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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