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Dataset Open Access

Data for Quantification and classification of grainflow morphology on natural dunes

Zhang, Pei; Sherman, Douglas J.; Pelletier, Jon D.; Ellis, Jean T.; Farrell, Eugene J.; Li, Bailiang


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    <subfield code="a">avalanche, barchan, dune slipface, morphodynamics, aeolian geomorphology, dune migration</subfield>
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    <subfield code="a">None of the authors has any conflict of interest arising from financial or affiliation concerns. Fieldwork was supported by National Science Foundation grants #1063441 to JTE and #1061335 to DJS, and the project is registered with the Brazilian Ministry of the Environment, Sistema de Autorização e Informação em Biodiversidade, Number 18038-1. We are grateful for the field assistance provided by Nancy Jackson and Karl Nordstrom.</subfield>
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    <subfield code="a">Data for Quantification and classification of grainflow morphology on natural dunes</subfield>
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    <subfield code="a">&lt;p&gt;&lt;strong&gt;Overview:&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;The attached file, &amp;ldquo;GrainflowMorphologyCharacteristics.xlsx&amp;rdquo;, includes the grainflow morphometric attributes used in the article &amp;ldquo;Quantification and classification of grainflow morphology on natural dunes&amp;rdquo; by Zhang, Pei; Sherman, Douglas J.; Pelletier, Jon D.; Ellis, Jean T.; Farrell, Eugene J.; Li, Bailiang, published in &lt;em&gt;Earth Surface Processes and Landforms&lt;/em&gt;.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Key to variables (unit):&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Date: date of data collection at Jericoacoara, Brazil.&lt;/p&gt;

&lt;p&gt;Dunes: &amp;ldquo;S&amp;rdquo; indicates samples from the smaller dune (21.3 m high), and &amp;ldquo;L&amp;rdquo; indicates samples from the larger dune (54.5 m high). Details of the metrics may be found in the associated publication (https://doi.org/10.1002/esp.5348).&lt;/p&gt;

&lt;p&gt;&lt;span class="math-tex"&gt;\(\bar{l_{g}}\)&lt;/span&gt;&amp;nbsp;(m): average length&lt;/p&gt;

&lt;p&gt;&lt;span class="math-tex"&gt;\(\bar{w_{g}}\)&lt;/span&gt;&amp;nbsp;(m): average width&lt;/p&gt;

&lt;p&gt;&lt;span class="math-tex"&gt;\(r_{t}\)&lt;/span&gt;&amp;nbsp;: rectangularity&lt;/p&gt;

&lt;p&gt;&lt;span class="math-tex"&gt;\(TRI\)&lt;/span&gt;: triangularity&lt;/p&gt;

&lt;p&gt;&lt;span class="math-tex"&gt;\(e_{g}\)&lt;/span&gt;: elongation&lt;/p&gt;

&lt;p&gt;Type: classified types&lt;/p&gt;</subfield>
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