{"id":80051,"date":"2017-10-27T11:00:30","date_gmt":"2017-10-27T11:00:30","guid":{"rendered":"http:\/\/www.esri.com\/arcgis-blog\/products\/product\/uncategorized\/bathymetry-updates-in-esri-world-elevation-topobathy-service\/"},"modified":"2018-03-26T21:15:12","modified_gmt":"2018-03-26T21:15:12","slug":"bathymetry-updates-in-esri-world-elevation-topobathy-service","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/analytics\/analytics\/bathymetry-updates-in-esri-world-elevation-topobathy-service","title":{"rendered":"Bathymetry updates in Esri World Elevation (TopoBathy) Service"},"author":4501,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[23341,22931,22771,23051],"tags":[22951,24111,30491,22801,30501,23951,24131,30511,24141,25941,24151,30521,28541,32201,24981,40161,24181,30531,24191,29681,22821,31461,24211,23391,24241,34781,24251,40191],"industry":[],"product":[36581,36551],"class_list":["post-80051","blog","type-blog","status-publish","format-standard","hentry","category-analytics","category-imagery","category-natural-resources","category-water","tag-arcgis-content","tag-aspect","tag-bare-earth","tag-bathymetry","tag-coastal","tag-community-maps-program","tag-dem","tag-dtm","tag-elevation","tag-esri","tag-esri_earth","tag-esri_elevation","tag-global","tag-high-res","tag-hydro","tag-living-atlas-of-the-world","tag-multi-directional-hillshade","tag-multidirectional","tag-nagi-fusion-method","tag-noaa","tag-oceans-and-maritime","tag-relief","tag-slope","tag-spatial-analytics","tag-tinted-hillshade","tag-topobathy","tag-topography","tag-world-elevation-services","product-arcgis-living-atlas","product-arcgis-online"],"acf":{"short_description":"Esri's World Elevation - TopoBathy Layer\u00a0is enhanced with more detailed\u00a0bathymetry datasets just in time for the Ocean GIS Forum. Let's...","flexible_content":[{"acf_fc_layout":"content","content":"<p>Esri&#8217;s <a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=c753e5bfadb54d46b69c3e68922483bc\" target=\"_blank\">World Elevation &#8211; TopoBathy Layer<\/a>\u00a0is enhanced with more detailed\u00a0bathymetry datasets just in time for the <a href=\"http:\/\/www.esri.com\/events\/ocean\" target=\"_blank\">Ocean GIS Forum<\/a>. Let&#8217;s dive in for details about each dataset in this release.<\/p>\n<p><strong>GEBCO 2014<\/strong><\/p>\n<p><strong><\/strong>In this release, the global bathymetry source in TopoBathy layers is updated with <a href=\"http:\/\/www.gebco.net\/data_and_products\/gridded_bathymetry_data\/gebco_30_second_grid\/\" target=\"_blank\">General Bathymetric Chart of the Oceans<\/a>\u00a0(GEBCO) 2014 grid at 30 arc second (approx. 928 meters) pixel spacing, which adds many improvements over the GEBCO 2008 version. Major improvements are around the European waters, southeast of Japan, around Australia, along the coast of Chile and Atlantic coast of Northern Africa (Weatherall et.al, 2015). A few of these enhancements are depicted in the following images.<\/p>\n<dl>\n<dt><\/dt>\n<dd><\/dd>\n<\/dl>\n<p style=\"text-align: center\"><span style=\"color: #888888\"><em>Bay of Biscay \u2013 major improvements depicted in GEBCO 2014 (bottom) in comparison to GEBCO 2008 (top)<\/em><\/span><\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Gebco08_14_BayofBiscay.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-88825\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Gebco08_14_BayofBiscay.jpg\" alt=\"\" width=\"1453\" height=\"2060\" \/><\/a><\/p>\n<p style=\"text-align: center\"><span style=\"color: #888888\"><em>The Ionian Sea (an elongated embayment of the Mediterranean Sea) \u2013 major improvements depicted in GEBCO 2014 (bottom) in comparison to GEBCO 2008 (top)<\/em><\/span><\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Gebco08_14_IonianSea2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-88827\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Gebco08_14_IonianSea2.jpg\" alt=\"\" width=\"1454\" height=\"2061\" \/><\/a><\/p>\n<p style=\"text-align: left\">\u00a0<strong>Gulf of Mexico Deepwater Bathymetry<\/strong><\/p>\n<p>A new deepwater bathymetry grid of the northern Gulf of Mexico at 40 feet (approx. 12 meters) from the <a href=\"https:\/\/www.boem.gov\/Gulf-of-Mexico-Deepwater-Bathymetry\/\" target=\"_blank\">Bureau of Ocean Energy Management<\/a> (BOEM) is added which brings ~\u00a0<strong>80 times<\/strong> enhancement in comparison to GEBCO in the areas of the salt mini-basin province, abyssal plain, Mississippi Fan, and the Florida Shelf\/Escarpment.<\/p>\n<p style=\"text-align: center\"><span style=\"color: #888888\"><em>Alaminos and Perdido Canyons &#8211;\u00a0<strong>80 times<\/strong>\u00a0enhancement in BOEM bathymetry (bottom) in comparison to GEBCO (top)<\/em><\/span><\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/BOEM_GoM_GEBCO_Alaminos_PerdidoCanyons.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-88823\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/BOEM_GoM_GEBCO_Alaminos_PerdidoCanyons.jpg\" alt=\"\" width=\"1453\" height=\"2062\" \/><\/a><\/p>\n<p style=\"text-align: center\"><span style=\"color: #888888\"><em><em>Lloyd Ridge on the eastern abyssal plain &#8211; <strong>80 times<\/strong>\u00a0enhancement in BOEM bathymetry (bottom) in comparison to GEBCO (top)<\/em><\/em><\/span><\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/BOEM_GOM_GEBCO_LloydRidge.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-88824\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/BOEM_GOM_GEBCO_LloydRidge.jpg\" alt=\"\" width=\"1450\" height=\"2060\" \/><\/a><\/p>\n<p><strong>Southern California Coastal Relief Model (CRM)<\/strong><\/p>\n<p>NOAA&#8217;s <a href=\"https:\/\/www.ngdc.noaa.gov\/mgg\/coastal\/grddas06\/grddas06v2.htm\" target=\"_blank\">Southern California Coastal Relief Model<\/a>\u00a0(CRM) is added to the TopoBathy service, which provides detailed bathymetry at 1 arc seconds (approx. 30 meters) and 3 arc seconds (approx. 90 meters) resolutions bringing about <strong>10-30 times<\/strong> more detail to the Southern California coast.<\/p>\n<p style=\"text-align: center\"><span style=\"color: #888888\"><em>Monterey Bay (Pacific Ocean) \u2013 depicted in new detail with NOAA&#8217;s 1 arc sec CRM (bottom) in comparison to GEBCO (top)<\/em><\/span><\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/SoCal_CRM_GEBCO_MontereyBay.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-88829\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/SoCal_CRM_GEBCO_MontereyBay.jpg\" alt=\"\" width=\"1453\" height=\"2065\" \/><\/a><\/p>\n<p><strong>Indian Ocean (MH370) Bathymetry<\/strong><\/p>\n<p>The Australian government led the search operation for missing Malaysian Airlines flight MH370, and collected approx. 278,000 square kilometers of bathymetry data\u00a0in the southern Indian Ocean, which was made public by\u00a0Geoscience Australia. <a href=\"http:\/\/marine.projects.ga.gov.au\/mh370-phase-one-data-release.html\" target=\"_blank\">Phase one bathymetry data<\/a> at 150 meters resolution adds <strong>6 times<\/strong> more detail in this remote area of the ocean. While the sole purpose of this search was to locate the MH370 flight, the detailed bathymetry shows distinct geological features such as Broken Ridge.<\/p>\n<p style=\"text-align: center\"><span style=\"color: #888888\"><em>Broken Ridge (Indian Ocean) \u2013 detailed bathymetry (bottom) shows distinct geological features in comparison to GEBCO (top)<\/em><\/span><\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/MH370_GEBCO_BrokenRidge.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-88828\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/MH370_GEBCO_BrokenRidge.jpg\" alt=\"\" width=\"1440\" height=\"2055\" \/><\/a><\/p>\n<p>These bathymetry datasets are now available in <a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=c753e5bfadb54d46b69c3e68922483bc\" target=\"_blank\">World Elevation \u2013 TopoBathy<\/a> service, which can be used for visualization (such as\u00a0<a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=1a914d579fba422585270ac1b927357f\">hillshade<\/a>,\u00a0<a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=ad7e1f1787814a2abd5557ad24a66b22\" target=\"_blank\">elevation tinted hillshade<\/a>) and analysis.<\/p>\n<p>A temporary layer can be generated using the <a href=\"http:\/\/desktop.arcgis.com\/en\/arcmap\/latest\/tools\/data-management-toolbox\/make-image-server-layer.htm\">Make Image Server Layer<\/a>\u00a0 tool to be used as an input in geoprocessing tools to perform analysis. This tool allows you to define query, cell size, extent and output coordinate system for the temporary output layer. Each dataset in the service has a unique identifier and a query can be defined based on <em>ProductName<\/em> or <em>Dataset_ID<\/em>. For example, a definition query of\u00a0<em>\u201cProductName\u201d = \u2018GEBCO_14\u2019<\/em> will filter data pertaining to the GEBCO grid only.<\/p>\n<p><a href=\"http:\/\/blogs.esri.com\/esri\/arcgis\/2014\/07\/11\/introducing-esris-world-elevation-services\/\" target=\"_blank\">World\u00a0elevation layers<\/a> are available free of cost to every ArcGIS Organizational account user. These bathy data updates will also be rolled out to\u00a0<a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=0c69ba5a5d254118841d43f03aa3e97d\">TopoBathy3D<\/a> in few weeks.<\/p>\n<p>For more information about the data coverage of the World Elevation services, check our\u00a0<a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=3af669838f594b378f90c10f98e46a7f\" target=\"_blank\">Elevation coverage map<\/a>. Additionally, to contribute high-resolution elevation data to\u00a0<a href=\"http:\/\/doc.arcgis.com\/en\/living-atlas\/about\/\" target=\"_blank\">Living Atlas of the World<\/a>, check out the <a href=\"https:\/\/livingatlas.arcgis.com\/en\/participate\/#v=community&amp;subTab=what-to-contribute&amp;section=landelevation\" target=\"_blank\">Esri Community Maps for Elevation<\/a>\u00a0program.<\/p>\n<p><span style=\"color: #888888\"><strong>Reference:<\/strong><\/span><\/p>\n<p><span style=\"color: #808080\">Weatherall, P.,\u00a0K. M. Marks,\u00a0M. Jakobsson,\u00a0T. Schmitt,\u00a0S. Tani,\u00a0J. E. Arndt,\u00a0M. Rovere,\u00a0D. Chayes,\u00a0V. Ferrini, and\u00a0R. Wigley(2015),\u00a0A new digital bathymetric model of the world&#8217;s oceans,\u00a0Earth and Space Science,\u00a02,\u00a0331\u2013345, doi:<\/span><a title=\"Link to external resource: 10.1002\/2015EA000107\" href=\"http:\/\/dx.doi.org\/10.1002\/2015EA000107\" target=\"_blank\">10.1002\/2015EA000107<\/a>.<\/p>\n"}],"authors":[{"ID":4501,"user_firstname":"Rajinder","user_lastname":"Nagi","nickname":"Rajinder Nagi","user_nicename":"rajnagi","display_name":"Rajinder Nagi","user_email":"rnagi@esri.com","user_url":"","user_registered":"2018-03-02 00:16:05","user_description":"Rajinder has more than 20 years of experience in GIS and Remote Sensing. In his current role, he leads the community elevation program at Esri and has wide experience in cartographic visualization, image processing, databases and geo-processing. Rajinder has developed a multi-directional hillshade (esriurl.com\/NextGenHillshade) algorithm to improve terrain visualization in Esri basemaps. He has also developed a fusion technique (esriurl.com\/NAGIfusion) which maintains details and colors when integrating colored rasters with hillshades. Rajinder holds a Master of Science degree in Geoinformatics and a Bachelor of Science degree in Urban &amp; Regional Planning.","user_avatar":"<img data-del=\"avatar\" src='https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/04\/RNagi_Profile.jpg' class='avatar pp-user-avatar avatar-96 photo ' height='96' width='96'\/>"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bathymetry updates in Esri World Elevation (TopoBathy) Service<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.esri.com\/arcgis-blog\/products\/analytics\/analytics\/bathymetry-updates-in-esri-world-elevation-topobathy-service\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bathymetry updates in Esri World Elevation (TopoBathy) Service\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.esri.com\/arcgis-blog\/products\/analytics\/analytics\/bathymetry-updates-in-esri-world-elevation-topobathy-service\" \/>\n<meta property=\"og:site_name\" content=\"ArcGIS Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/esrigis\/\" \/>\n<meta property=\"article:modified_time\" content=\"2018-03-26T21:15:12+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@ESRI\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/analytics\/analytics\/bathymetry-updates-in-esri-world-elevation-topobathy-service#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/analytics\/analytics\/bathymetry-updates-in-esri-world-elevation-topobathy-service\"},\"author\":{\"name\":\"Rajinder Nagi\",\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#\/schema\/person\/4f706ee748032636c1b90bc7bcf8c503\"},\"headline\":\"Bathymetry updates in Esri World Elevation (TopoBathy) Service\",\"datePublished\":\"2017-10-27T11:00:30+00:00\",\"dateModified\":\"2018-03-26T21:15:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/products\/analytics\/analytics\/bathymetry-updates-in-esri-world-elevation-topobathy-service\"},\"wordCount\":8,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.esri.com\/arcgis-blog\/#organization\"},\"keywords\":[\"ArcGIS Content\",\"aspect\",\"bare earth\",\"bathymetry\",\"coastal\",\"Community Maps Program\",\"digital elevation model (DEM)\",\"DTM\",\"elevation\",\"esri\",\"esri_earth\",\"esri_elevation\",\"global\",\"high-res\",\"hydro\",\"Living Atlas of the World\",\"multi-directional hillshade\",\"multidirectional\",\"NAGI fusion method\",\"NOAA\",\"oceans and maritime\",\"relief\",\"Slope\",\"spatial analytics\",\"tinted hillshade\",\"topobathy\",\"topography\",\"World Elevation Services\"],\"articleSection\":[\"Analytics\",\"Imagery &amp; 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