<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1026-8774</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias geológicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. cienc. geol]]></abbrev-journal-title>
<issn>1026-8774</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Geología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1026-87742016000100122</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A low cost technique for development of ultra-high resolution topography: application to a dry maar's bottom]]></article-title>
<article-title xml:lang="es"><![CDATA[Una técnica de bajo costo para el desarrollo de topografía de ultra-alta resolución: Aplicación al fondo de un mar seco]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrera-Hernández]]></surname>
<given-names><![CDATA[Jaime Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Levresse]]></surname>
<given-names><![CDATA[Gilles]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lacan]]></surname>
<given-names><![CDATA[Pierre]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aranda-Gómez]]></surname>
<given-names><![CDATA[José Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Centro de Geociencias ]]></institution>
<addr-line><![CDATA[ Querétaro]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2016</year>
</pub-date>
<volume>33</volume>
<numero>1</numero>
<fpage>122</fpage>
<lpage>133</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1026-87742016000100122&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1026-87742016000100122&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1026-87742016000100122&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT We developed an ultra-high resolution Digital Surface Model (DSM) of a 1.2 km ×1.2 km dry maar bottom located in Parangueo, Mexico. This maar is unique by the fact that it displays a large number and variety of structures associated with active deformation and high albedo sediments. We used a small Unmanned Aerial Vehicle (quadcopter) and a consumer grade camera to develop both a DSM and an orthophoto at a resolution of 4.7 cm through the use of Structure from Motion (SfM) algorithms from PhotoScan Pro, a commercially available software. Using the coordinates of 31 Ground Control Points measured with an RTK GPS, the residuals of the DSM had an RMSE=3.3 cm and a mean of 2.6 cm on the horizontal, with an RMSE=1.8 cm and a mean= -0.3 cm on the vertical. With this methodology we were able to construct a three dimensional model of unprecedented detail showing all structures (fractures, domes and escarpments) that have been created due to the active deformation of the dry bed lake. We conclude that the use of both UAVs and SfM provides accurate high resolution DSMs that can be obtained at a low cost, even in areas with highly reflective surfaces. Furthermore, this methodology can be applied on different dates to create a time series of high resolution DSMs, which can be used to determine subsidence or uplift rates in areas with active deformation.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Desarrollamos un modelo digital de superficie (MDS) de ultra-alta resolución del fondo de un maar seco ubicado en Parangueo, Mexico, con dimensiones de 1.2 km × 1.2 km. Este maar es único debio a que muestra una gran cantidad y variedad de estructuras asociadas con procesos activos de deformación y debido a al alto albedo de los sedimentos que componen su fondo. Utilizamos un pequeño Vehículo Aéro no tripulado (cuadcóptero) y una cámara fotográfica no especializada para desarrollar un MDS y una ortofoto con una resolución de 4.7 cm utilizando el programa Photoscan Pro, el cual utiliza algoritmos de estructura a partir de movimiento. Para georeferenciar los productos generados en el presente trabajo utilizamos 31 puntos de control cuyas coordenadas fueron obtenidas por medio de un GPS diferencial. Los residuales obtenidos en el MDS tienen un error cuadrático medio (RMSE) de 3.3 cm en la horizontal, con una media de 2.6 cm, mientras que en la vertical, el RMSE=1.8 cm con una media de -0.3 cm. Con esta metodología pudimos construir un modelo tridimensional del fondo del maar con un nivel de detalle sin precedentes, el cual muestra las diversas estructuras (fracturas, domos y escarpes) que han sido creados debido a la deformación activa del fondo seco del lago. Concluimos que con el uso de fotografías adquiridas por medio de un cuadcóptero ligero y procesadas con Photoscan Pro se pueden obtener modelos digitales de elevación precisos y de alta resolución a bajo costo, inclusive en áreas con superficies de alto albedo. Esta metodología también permite la detección de deformación al ser aplicada en diferentes fechas para crear una serie de tiempo formada de modelos digitales de elevación, con lo cual se pueden medir tasas de subsidencia y/o levantamiento en zonas que presenten deformación activa.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Quadcopter]]></kwd>
<kwd lng="en"><![CDATA[maar]]></kwd>
<kwd lng="en"><![CDATA[3D point cloud]]></kwd>
<kwd lng="en"><![CDATA[high-resolution digital surface model]]></kwd>
<kwd lng="en"><![CDATA[Structure from Motion]]></kwd>
<kwd lng="en"><![CDATA[PhotoScan]]></kwd>
<kwd lng="es"><![CDATA[cuadcóptero]]></kwd>
<kwd lng="es"><![CDATA[maar, nube de puntos tridimensional]]></kwd>
<kwd lng="es"><![CDATA[modelo digital de superficie de alta elevación]]></kwd>
<kwd lng="es"><![CDATA[estructura a partir de movimiento]]></kwd>
<kwd lng="es"><![CDATA[Photoscan]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aranda-Gómez]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cerca-Martinez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rocha-Treviño]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Pacheco-Martínez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Levresse]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramos-Leal]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vsevolod]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Arzate-Flores]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Structural analysis of subsidence-related deformation at the bottom of Rincón de Parangueo maar, México]]></source>
<year>2014</year>
<conf-name><![CDATA[ 5International Maar Conference]]></conf-name>
<conf-loc>Querétaro </conf-loc>
<page-range>145-6</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Active sinking at the bottom of the Rincon de Parangueo Maar (Guanajuato, Mexico) and its probable relation with subsidence faults at Salamanca and Celaya]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aranda-Gómez]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Levresse]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Pacheco-Martínez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[A Ramos-Leal]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Carrasco-Nuñez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Chacon-Baca]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez-Naranjo]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Chavez-Cabello]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Vega-Gonzalez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Origel]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Noyola-Medrano]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Boletín de la Sociedad Geológica Mexicana]]></source>
<year>2013</year>
<volume>65</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>169-88</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Radial Gravitational Gliding on Passive Margins]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cobbold]]></surname>
<given-names><![CDATA[P.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Szatmari]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tectonophysics]]></source>
<year>1991</year>
<volume>188</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>249-89</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Remote Sensing of Vegetation Structure Using Computer Vision]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dandois]]></surname>
<given-names><![CDATA[J.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Ellis]]></surname>
<given-names><![CDATA[E.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Remote Sensing]]></source>
<year>2010</year>
<volume>2</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1157-76</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Topographic structure from motion: a new development in photogrammetric measurement]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fonstad]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Dietrich]]></surname>
<given-names><![CDATA[J.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Courville]]></surname>
<given-names><![CDATA[B.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Jensen]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Carbonneau]]></surname>
<given-names><![CDATA[P.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Earth Surface Processes and Landforms]]></source>
<year>2013</year>
<volume>38</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>421-30</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Assessing biodiversity in forests using very high-resolution images and unmanned aerial vehicles]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Getzin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Wiegand]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Schöning]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Methods in Ecology and Evolution]]></source>
<year>2011</year>
<volume>3</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>397-404</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[UAV photogrammetry for topographic monitoring of coastal areas]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gonçalves]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Henriques]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[ISPRS Journal of Photogrammetry and Remote Sensing]]></source>
<year>2015</year>
<volume>104</volume>
<page-range>101-11</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<collab>GRASS Develoment Team</collab>
<source><![CDATA[Geographic Resources Analysis Support System (GRASS GIS) Software, 7.0 edition]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Geomorphological mapping with a small unmanned aircraft system (sUAS): Feature detection and accuracy assessment of a photogrammetrically-derived digital terrain model]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hugenholtz]]></surname>
<given-names><![CDATA[C.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Whitehead]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[O.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Barchyn]]></surname>
<given-names><![CDATA[T.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Moorman]]></surname>
<given-names><![CDATA[B.J.]]></given-names>
</name>
<name>
<surname><![CDATA[LeClair]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Riddell]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Hamilton]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geomorphology]]></source>
<year>2013</year>
<volume>194</volume>
<page-range>16-24</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[High-resolution monitoring of Himalayan glacier dynamics using unmanned aerial vehicles]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Immerzeel]]></surname>
<given-names><![CDATA[W.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Kraaijenbrink]]></surname>
<given-names><![CDATA[P.D.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Shea]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Shrestha]]></surname>
<given-names><![CDATA[A.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Pellicciotti]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Bierkens]]></surname>
<given-names><![CDATA[M.F.P.]]></given-names>
</name>
<name>
<surname><![CDATA[de Jong]]></surname>
<given-names><![CDATA[S.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Remote Sensing of Environment]]></source>
<year>2014</year>
<volume>150</volume>
<page-range>93-103</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Modeling the topography of shallow braided rivers using Structure-from-Motion photogrammetry]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Javernick]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Brasington]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Caruso]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geomorphology]]></source>
<year>2014</year>
<volume>213</volume>
<page-range>166-82</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Rapid mapping of ultrafine fault zone topography with structure from motion]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Nissen]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Saripalli]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Arrowsmith]]></surname>
<given-names><![CDATA[J. R.]]></given-names>
</name>
<name>
<surname><![CDATA[McGarey]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Scharer]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Blisniuk]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geosphere]]></source>
<year>2014</year>
<volume>10</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>969-86</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Unmanned aerial vehicle-based remote sensing for rangeland assessment, monitoring, and management]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Laliberte]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Applied Remote Sensing]]></source>
<year>2009</year>
<volume>3</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>033542</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Point Clouds: Lidar versus 3D Vision]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leberl]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Irschara]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pock]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Meixner]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Gruber]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Scholz]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Wiechert]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Photogrammetric Engineering and Remote Sensing]]></source>
<year>2010</year>
<volume>76</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1123-34</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Mapping landslide displacements using Structure from Motion (SfM) and image correlation of multitemporal UAV photography]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lucieer]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jong]]></surname>
<given-names><![CDATA[S.M.d.]]></given-names>
</name>
<name>
<surname><![CDATA[Turner]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Progress in Physical Geography]]></source>
<year>2014</year>
<volume>38</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>97-116</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Using Unmanned Aerial Vehicles (UAV) for High-Resolution Reconstruction of Topography: The Structure from Motion Approach on Coastal Environments]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mancini]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Dubbini]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gattelli]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Stecchi]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Fabbri]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Gabbianelli]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Remote Sensing]]></source>
<year>2013</year>
<volume>5</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>6880-98</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[UAV-based remote sensing of the Super-Sauze landslide: evaluation and results]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Niethammer]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[James]]></surname>
<given-names><![CDATA[M.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Rothmund]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Travelletti]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Joswig]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Engineering Geology]]></source>
<year>2012</year>
<volume>128</volume>
<page-range>2-11</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The evaluation of unmanned aerial system-based photogrammetry and terrestrial laser scanning to generate DEMs of agricultural watersheds]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ouédraogo]]></surname>
<given-names><![CDATA[M.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Degré]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Debouche]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lisein]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geomorphology]]></source>
<year>2014</year>
<volume>214</volume>
<page-range>339-55</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Salt-Related Fault Families and Fault Welds in the Northern Gulf of Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rowan]]></surname>
<given-names><![CDATA[M.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Jackson]]></surname>
<given-names><![CDATA[M.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Trudgill]]></surname>
<given-names><![CDATA[B.D.]]></given-names>
</name>
</person-group>
<source><![CDATA[The American Association of Petroleum Geologists Bulletin]]></source>
<year>1999</year>
<volume>83</volume>
<page-range>1454-84</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[UAV photogrammetry and structure from motion to assess calving dynamics at Store Glacier, a large outlet draining the Greenland ice sheet]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ryan]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Hubbard]]></surname>
<given-names><![CDATA[A.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Box]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Todd]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Christoffersen]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Carr]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Holt]]></surname>
<given-names><![CDATA[T.O.]]></given-names>
</name>
<name>
<surname><![CDATA[Snooke]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Cryosphere]]></source>
<year>2015</year>
<volume>9</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-11</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Excursus on gravity gliding and gravity spreading]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schultz-Ela]]></surname>
<given-names><![CDATA[D.D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Structural Geology]]></source>
<year>2001</year>
<volume>23</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>725-31</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Experimental analysis of different software packages for orientation and digital surface modelling from UAV images]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sona]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Pinto]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Pagliari]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Passoni]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Gini]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Earth Sci Inform]]></source>
<year>2014</year>
<volume>7</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>97-107</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Ground-based multi-view photogrammetry for the monitoring of landslide deformation and erosion]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stumpf]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Malet]]></surname>
<given-names><![CDATA[J.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Allemand]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Pierrot-Deseilligny]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Skupinski]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geomorphology]]></source>
<year>2015</year>
<volume>231</volume>
<page-range>130-45</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Szeliski]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Computer vision: algorithms and applications]]></source>
<year>2010</year>
<publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[Springer Verlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The potential of small unmanned aircraft systems and structure-from-motion for topographic surveys: A test of emerging integrated approaches at Cwm Idwal, North Wales]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tonkin]]></surname>
<given-names><![CDATA[T.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Midgley]]></surname>
<given-names><![CDATA[N.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Graham]]></surname>
<given-names><![CDATA[D.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Labadz]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geomorphology]]></source>
<year>2014</year>
<volume>226</volume>
<page-range>35-43</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Configuration and Specifications of an Unmanned Aerial Vehicle (UAV) for Early Site Specific Weed Management]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torres-Sánchez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[López-Granados]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[De Castro]]></surname>
<given-names><![CDATA[A.I.]]></given-names>
</name>
<name>
<surname><![CDATA[Peña-Barragán]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[PLoS ONE]]></source>
<year>2013</year>
<volume>8</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>e58210</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Direct georeferencing of ultrahighresolution UAV imagery]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Turner]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Lucieer]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Wallace]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE Transactions on Geoscience and Remote Sensing]]></source>
<year>2014</year>
<volume>52</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>2738-45</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Green area index from an unmanned aerial system over wheat and rapeseed crops]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Verger]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vigneau]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Chéron]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gilliot]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Comar]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Baret]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Remote Sensing of Environment]]></source>
<year>2014</year>
<volume>152</volume>
<page-range>654-64</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Taking Computer Vision Aloft Archaeological Threedimensional Reconstructions from Aerial Photographs with PhotoScan]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Verhoeven]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Archaeol. Prospect.]]></source>
<year>2011</year>
<volume>18</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>67-73</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Helikite aerial photography a versatile means of unmanned, radio controlled, lowaltitude aerial archaeology]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Verhoeven]]></surname>
<given-names><![CDATA[G.J.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Loenders]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Vermeulen]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Docter]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Archaeological Prospection]]></source>
<year>2009</year>
<volume>16</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>125-38</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Ecohydrology with unmanned aerial vehicles]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vivoni]]></surname>
<given-names><![CDATA[E.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Rango]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pierini]]></surname>
<given-names><![CDATA[N.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Schreiner-McGraw]]></surname>
<given-names><![CDATA[A.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Saripalli]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Laliberte]]></surname>
<given-names><![CDATA[A.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecosphere]]></source>
<year>2014</year>
<volume>5</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>130</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Brief Communication: Low-cost, on-demand aerial photogrammetry for glaciological measurement]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Whitehead]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Moorman]]></surname>
<given-names><![CDATA[B.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hugenholtz]]></surname>
<given-names><![CDATA[C.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Cryosphere]]></source>
<year>2013</year>
<volume>7</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1879-84</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Quantifying submerged fluvial topography using hyperspatial resolution UAS imagery and structure from motion photogrammetry]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Woodget]]></surname>
<given-names><![CDATA[A.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Carbonneau]]></surname>
<given-names><![CDATA[P.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Visser]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Maddock]]></surname>
<given-names><![CDATA[I.P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Earth Surface Processes and Landforms]]></source>
<year>2014</year>
<volume>40</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>47-64</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
