{"id":1002572,"date":"2020-09-18T05:00:52","date_gmt":"2020-09-18T12:00:52","guid":{"rendered":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&#038;p=1002572"},"modified":"2021-02-03T04:51:40","modified_gmt":"2021-02-03T12:51:40","slug":"arcgis-living-atlas-of-the-world-layers-for-water-resources","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/water\/arcgis-living-atlas-of-the-world-layers-for-water-resources","title":{"rendered":"ArcGIS Living Atlas of the World Layers for Water Resources"},"author":9412,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[23851,22771,23051],"tags":[37731,37741,43101,39211,410642],"industry":[],"product":[36581,36551,36561,36991],"class_list":["post-1002572","blog","type-blog","status-publish","format-standard","hentry","category-data-management","category-natural-resources","category-water","tag-arc-hydro","tag-arc-hydro-tools","tag-arcgis-living-atlas-of-the-world","tag-data-model","tag-environment","product-arcgis-living-atlas","product-arcgis-online","product-arcgis-pro","product-arcgis-desktop"],"acf":{"short_description":"Expedite the setup of a hydro project using Living Atlas layers.","flexible_content":[{"acf_fc_layout":"content","content":"<p>It is exciting to start a new <a href=\"https:\/\/www.esri.com\/en-us\/landing-page\/industry\/water\/2020\/arc-hydro-gis-for-water-resources\">hydro<\/a> project, from floodplain delineation to planning green infrastructure. During the inception phase, it is essential to gather as much information as possible: what is the terrain elevation? where are the local streams and how are they connected? what is the dominant soil type? Layers in <a href=\"https:\/\/livingatlas.arcgis.com\/\">ArcGIS Living Atlas of the World<\/a> facilitate the process of setting up a new project and provide a quick glance of the fundamental local characteristics of the project.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1002982,"id":1002982,"title":"Flooded Area","filename":"ezgif.com-gif-maker-2.gif","filesize":1717842,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/ezgif.com-gif-maker-2.gif","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/water\/arcgis-living-atlas-of-the-world-layers-for-water-resources\/ezgif-com-gif-maker-2-2","alt":"Flooded-Area","author":"9412","description":"","caption":"","name":"ezgif-com-gif-maker-2-2","status":"inherit","uploaded_to":1002572,"date":"2020-09-10 13:36:38","modified":"2020-09-10 13:37:00","menu_order":0,"mime_type":"image\/gif","type":"image","subtype":"gif","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":850,"height":372,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/ezgif.com-gif-maker-2-213x200.gif","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/ezgif.com-gif-maker-2.gif","medium-width":464,"medium-height":203,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/ezgif.com-gif-maker-2.gif","medium_large-width":768,"medium_large-height":336,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/ezgif.com-gif-maker-2.gif","large-width":850,"large-height":372,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/ezgif.com-gif-maker-2.gif","1536x1536-width":850,"1536x1536-height":372,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/ezgif.com-gif-maker-2.gif","2048x2048-width":850,"2048x2048-height":372,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/ezgif.com-gif-maker-2-826x361.gif","card_image-width":826,"card_image-height":361,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/ezgif.com-gif-maker-2.gif","wide_image-width":850,"wide_image-height":372}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"<h2>Elevation<\/h2>\n<p>Elevation is cornerstone in any hydro project. Living Atlas provides elevation layers as image services.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=58a541efc59545e6b7137f961d7de883\">Terrain<\/a>: dynamic world elevation model.<\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=9c426279db0e42559e947321b34bf1cd\">Aspect<\/a>: representation of downslope direction.<\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=af25a795273440deb449b336543602be\">Slope<\/a>: in degrees: angle of downward inclination.<\/li>\n<\/ul>\n<p><strong>Note:<\/strong> Each elevation variable is implemented as a server <a href=\"https:\/\/pro.arcgis.com\/en\/pro-app\/help\/data\/imagery\/raster-functions.htm\">raster function<\/a>. You can quickly change the displayed variable by selecting a different <a href=\"https:\/\/pro.arcgis.com\/en\/pro-app\/help\/data\/imagery\/processing-template-manager.htm\">processing template<\/a> in the layer\u2019s properties.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1003492,"id":1003492,"title":"Raster functions","filename":"raster_functions-1.png","filesize":14504,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/raster_functions-1.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/water\/arcgis-living-atlas-of-the-world-layers-for-water-resources\/raster_functions-2","alt":"Raster-functions","author":"9412","description":"","caption":"","name":"raster_functions-2","status":"inherit","uploaded_to":1002572,"date":"2020-09-10 20:01:01","modified":"2020-09-10 20:01:20","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":642,"height":412,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/raster_functions-1-213x200.png","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/raster_functions-1.png","medium-width":407,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/raster_functions-1.png","medium_large-width":642,"medium_large-height":412,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/raster_functions-1.png","large-width":642,"large-height":412,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/raster_functions-1.png","1536x1536-width":642,"1536x1536-height":412,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/raster_functions-1.png","2048x2048-width":642,"2048x2048-height":412,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/raster_functions-1.png","card_image-width":642,"card_image-height":412,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/raster_functions-1.png","wide_image-width":642,"wide_image-height":412}},"image_position":"left-center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"<h2>Hydrography<\/h2>\n<p>The representation of drainage network features such as rivers, creeks, or canals show how water flows in the landscape. Living Atlas includes USA data from the <a href=\"https:\/\/www.usgs.gov\/core-science-systems\/ngp\/national-hydrography\">USGS<\/a> and Global data from <a href=\"https:\/\/www.geoglows.org\/\">GEOGloWS<\/a>.<\/p>\n<ul>\n<li><a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=c3cbe1eaf6f4492db74e62f7f4ba2418\">USA National Hydrography Dataset \u2013 High Resolution<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=4bd9b6892530404abfe13645fcb5099a\">USA National Hydrography Dataset Plus Version 2.1<\/a><\/li>\n<li><a href=\"https:\/\/livingatlas.arcgis.com\/en\/browse\/#d=1&amp;q=Watershed%20Boundary%20Dataset\">USA Watershed Boundary Dataset (WBD)<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=5c2e6d2137bb4d2187db387979db2f31\">GEOGloWS ECMWF Streamflow System (6 Day Forecast)<\/a><\/li>\n<\/ul>\n<h2>Discharge Stations, Streamflow Forecast, and Flood Hazard<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=81c5a9f2a2704d54a49042a44eefa5d3\">Live Stream Gauges<\/a>: Global streamflow information from our <a href=\"https:\/\/www.esri.com\/arcgis-blog\/products\/analytics\/analytics\/stream-gauges-map-goes-global\/\">Community Maps Program<\/a>.<\/li>\n<li>National Water Model (NWM) data from the NOAA Office of Water Prediction (OWP):<\/li>\n<li style=\"margin-left: 2em\"><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=0a42a065b8094842a0218c540e27761a\">Short term (hourly forecast)<\/a><\/li>\n<li style=\"margin-left: 2em\"><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=b9ec31770ee643509b942dfdec393b7f\">Short term (hourly anomaly forecast)<\/a><\/li>\n<li style=\"margin-left: 2em\"><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=f43c154ef3b9421bbda14bc17f9e98d2\">Medium term (10 day forecast)<\/a><\/li>\n<li style=\"margin-left: 2em\"><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=51b2bc5d620543b2825c60cc75e9a441\">Medium term (10 day anomaly forecast)<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=11955f1b47ec41a3af86650824e0c634\">USA Flood Hazard Areas<\/a> by the Federal Emergency Management Agency (FEMA)<\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=5c2e6d2137bb4d2187db387979db2f31\">GEOGloWS ECMWF Streamflow System (6 Day Forecast)<\/a> global river data<\/li>\n<\/ul>\n"},{"acf_fc_layout":"image","image":{"ID":1007262,"id":1007262,"title":"Rock creek","filename":"rock_creek-1.jpg","filesize":78617,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/rock_creek-1.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/water\/arcgis-living-atlas-of-the-world-layers-for-water-resources\/rock_creek-2","alt":"Rock-creek","author":"9412","description":"","caption":"","name":"rock_creek-2","status":"inherit","uploaded_to":1002572,"date":"2020-09-15 11:44:56","modified":"2020-09-15 11:45:14","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":913,"height":395,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/rock_creek-1-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/rock_creek-1.jpg","medium-width":464,"medium-height":201,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/rock_creek-1.jpg","medium_large-width":768,"medium_large-height":332,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/rock_creek-1.jpg","large-width":913,"large-height":395,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/rock_creek-1.jpg","1536x1536-width":913,"1536x1536-height":395,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/rock_creek-1.jpg","2048x2048-width":913,"2048x2048-height":395,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/rock_creek-1-826x357.jpg","card_image-width":826,"card_image-height":357,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/rock_creek-1.jpg","wide_image-width":913,"wide_image-height":395}},"image_position":"left-center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"<h2>Hydraulic Structures<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=eb00145cf8af416babe7b6a7458f7966\">National Inventory of Dams<\/a>: Dams in the United States, Puerto Rico, and Guam by the U.S. Army Corps of Engineers.<\/li>\n<\/ul>\n<h2>Land-Surface Models<\/h2>\n<p>Monthly gridded variables from the Global Land Data Assimilation System (GLDAS 2.1).<\/p>\n<ul>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=d9f5a81ae364451ca62ffab775527ab4\">GLDAS Precipitation<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=23605c21c353454892978587d1b3d8bb\">GLDAS Evapotranspiration<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=3a3b4288a624469496435f15061b7d79\">GLDAS Soil Moisture<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=e2882d400e224002aea42281def476ed\">GLDAS Runoff<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=6c8d3b1170864e5ca8324fc44e7ee001\">GLDAS Snowpack<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=bbee4194beee4dccb067b426e2ed1640\">GLDAS Change in Storage<\/a><\/li>\n<\/ul>\n<h2>Land Use, Land Cover, and Soils<\/h2>\n<p>Land cover information from the National Land Cover Database (NLCD) and soil characteristics from the Soil survey Geographic Database (SSURGO).<\/p>\n<ul>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=3ccf118ed80748909eb85c6d262b426f\">USA NLCD Land Cover<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=1fdbb561c58b45c58f8f966c00c78ae6\">USA NLCD Impervious Surface<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=55d0c2d32c234ce497cd30dc9bc06729\">USA Soils Drainage Class<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=be2124509b064754875b8f0d6176cc4c\">USA Soils Hydrologic Group<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=2be45af986af4624839cedae883faf47\">USA Soils Hydric Class<\/a><\/li>\n<\/ul>\n"},{"acf_fc_layout":"image","image":{"ID":1007242,"id":1007242,"title":"Hydrologic group","filename":"hydrologic-group.jpg","filesize":191414,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/hydrologic-group.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/water\/arcgis-living-atlas-of-the-world-layers-for-water-resources\/hydrologic-group","alt":"Hydrologic-group","author":"9412","description":"","caption":"","name":"hydrologic-group","status":"inherit","uploaded_to":1002572,"date":"2020-09-15 11:40:57","modified":"2020-09-15 11:41:32","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1001,"height":519,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/hydrologic-group-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/hydrologic-group.jpg","medium-width":464,"medium-height":241,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/hydrologic-group.jpg","medium_large-width":768,"medium_large-height":398,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/hydrologic-group.jpg","large-width":1001,"large-height":519,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/hydrologic-group.jpg","1536x1536-width":1001,"1536x1536-height":519,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/hydrologic-group.jpg","2048x2048-width":1001,"2048x2048-height":519,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/hydrologic-group-826x428.jpg","card_image-width":826,"card_image-height":428,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/hydrologic-group.jpg","wide_image-width":1001,"wide_image-height":519}},"image_position":"left-center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"<h2>Weather<\/h2>\n<p>Weather data from radar, remote sensing, or in-situ stations and weather warnings from the National Weather Service (NWS).<\/p>\n<ul>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=2b65b91dcfce4dddb235c61f62dc890d\">Surface Meteorological and Hydrologic Analyses &#8211; Quantitative Precipitation Estimates<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=da53700b1f324cc685c4d3bcc00c12fc\">Recent Weather Radar Imagery<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=5068f32b0f0d4d57abd4a9b46007a726\">Gridded Surface Weather and Marine Weather Forecasts &#8211; Multiple Variables<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=87c71371d7714aae82b3983f4526af39\">Near-Real-Time Surface In-Situ Observations<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=248e7b5827a34b248647afb012c58787\">Active Hurricanes, Cyclones and Typhoons<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=cb1886ff0a9d4156ba4d2fadd7e8a139\">Current Weather and Wind Station Data<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=a6134ae01aad44c499d12feec782b386\">USA Weather Watches and Warnings<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=bba3d0a070d34cea9a303c24a71d5190\">USA Short-Term Weather Warnings<\/a><\/li>\n<\/ul>\n"},{"acf_fc_layout":"image","image":{"ID":1007282,"id":1007282,"title":"Weather","filename":"weather.jpg","filesize":186165,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/weather.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/water\/arcgis-living-atlas-of-the-world-layers-for-water-resources\/weather-4","alt":"Weather","author":"9412","description":"","caption":"","name":"weather-4","status":"inherit","uploaded_to":1002572,"date":"2020-09-15 11:47:45","modified":"2020-09-15 11:48:03","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1282,"height":707,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/weather-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/weather.jpg","medium-width":464,"medium-height":256,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/weather.jpg","medium_large-width":768,"medium_large-height":424,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/weather.jpg","large-width":1282,"large-height":707,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/weather.jpg","1536x1536-width":1282,"1536x1536-height":707,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/weather.jpg","2048x2048-width":1282,"2048x2048-height":707,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/weather-826x456.jpg","card_image-width":826,"card_image-height":456,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/weather.jpg","wide_image-width":1282,"wide_image-height":707}},"image_position":"left-center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"<h2>Water Quality<\/h2>\n<p>Impaired waters by the Environmental Protection Agency (EPA).<\/p>\n<ul>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=dfc9008829a6487db7e3050045c163fe\">USA Polluted Waters<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=2ab727a7cc4c4a86b3d1f156c9cbbdd8\">USA Polluted Waters &#8211; Heavy Metals<\/a><\/li>\n<\/ul>\n"},{"acf_fc_layout":"content","content":"<h2>Analysis tools in ArcGIS Online<\/h2>\n<p><a href=\"https:\/\/doc.arcgis.com\/en\/arcgis-online\/analyze\/use-analysis-tools.htm\">Online tools<\/a> especially useful for preliminary analysis of a study area.<\/p>\n<ul>\n<li><a href=\"https:\/\/doc.arcgis.com\/en\/arcgis-online\/analyze\/create-watersheds.htm\">Create Watersheds<\/a>: delineate the catchment area of a point or a set of points.<\/li>\n<li><a href=\"https:\/\/doc.arcgis.com\/en\/arcgis-online\/analyze\/trace-downstream.htm\">Trace Downstream<\/a>: determine the downstream path of discrete locations.<\/li>\n<\/ul>\n"},{"acf_fc_layout":"image","image":{"ID":1007302,"id":1007302,"title":"AGOL tools","filename":"agol-tools.jpg","filesize":4203,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/agol-tools.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/water\/arcgis-living-atlas-of-the-world-layers-for-water-resources\/agol-tools","alt":"AGOL-tools","author":"9412","description":"","caption":"","name":"agol-tools","status":"inherit","uploaded_to":1002572,"date":"2020-09-15 11:52:15","modified":"2020-09-15 11:52:33","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":222,"height":96,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/agol-tools-213x96.jpg","thumbnail-width":213,"thumbnail-height":96,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/agol-tools.jpg","medium-width":222,"medium-height":96,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/agol-tools.jpg","medium_large-width":222,"medium_large-height":96,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/agol-tools.jpg","large-width":222,"large-height":96,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/agol-tools.jpg","1536x1536-width":222,"1536x1536-height":96,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/agol-tools.jpg","2048x2048-width":222,"2048x2048-height":96,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/agol-tools.jpg","card_image-width":222,"card_image-height":96,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/agol-tools.jpg","wide_image-width":222,"wide_image-height":96}},"image_position":"left-center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"<h2>Basemaps<\/h2>\n<p>A basemap is a useful reference and brings context to a map. ArcGIS Online has dozens of <a href=\"https:\/\/www.arcgis.com\/home\/group.html?id=702026e41f6641fb85da88efe79dc166&amp;view=list&amp;showFilters=true#content\">basemaps<\/a>, here is a short list of ones that can be relevant for hydro projects.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=9f86716d941c4410b0b406d911754b2c\">Esri Hydro Reference Overlay<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=71074ed09aab49328a85c860fc413379\">USGS National Map<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=52bdc7ab7fb044d98add148764eaa30a\">Imagery (WGS84)<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=67372ff42cd145319639a99152b15bc3\">Topographic<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=8b3d38c0819547faa83f7b7aca80bd76\">Light Gray Canvas<\/a><\/li>\n<li><a href=\"https:\/\/www.arcgis.com\/home\/item.html?id=b834a68d7a484c5fb473d4ba90d35e71\">OpenStreetMap<\/a><\/li>\n<\/ul>\n<h2>Summary<\/h2>\n<p>Living Atlas includes a collection of water resources layers suitable for hydro projects. These layers support any stage of your project: from preliminary assessment of a study area to hydraulic modelling. Moreover, project results can be easily shared in <a href=\"http:\/\/arcgis.com\/\">ArcGIS Online<\/a> as <a href=\"https:\/\/doc.arcgis.com\/en\/arcgis-online\/manage-data\/hosted-web-layers.htm\">hosted layers<\/a>, <a href=\"https:\/\/doc.arcgis.com\/en\/arcgis-online\/reference\/what-is-web-map.htm\">web maps<\/a>, and <a href=\"https:\/\/www.esri.com\/en-us\/arcgis\/products\/configurable-apps\/overview\">web apps<\/a>.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1004662,"id":1004662,"title":"Brazos Water Operations Model","filename":"Brazos.png","filesize":543625,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/Brazos.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-desktop\/water\/arcgis-living-atlas-of-the-world-layers-for-water-resources\/brazos","alt":"Brazos-Water-Operations-Model","author":"9412","description":"","caption":"","name":"brazos","status":"inherit","uploaded_to":1002572,"date":"2020-09-11 18:48:11","modified":"2020-09-11 18:48:56","menu_order":0,"mime_type":"image\/png","type":"image","subtype":"png","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1360,"height":632,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/Brazos-213x200.png","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/Brazos.png","medium-width":464,"medium-height":216,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/Brazos.png","medium_large-width":768,"medium_large-height":357,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/Brazos.png","large-width":1360,"large-height":632,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/Brazos.png","1536x1536-width":1360,"1536x1536-height":632,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/Brazos.png","2048x2048-width":1360,"2048x2048-height":632,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/Brazos-826x384.png","card_image-width":826,"card_image-height":384,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/Brazos.png","wide_image-width":1360,"wide_image-height":632}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"<p style=\"text-align: right\"><em><small>Image by Tim Whiteaker, The University of Texas at Austin, <a href=\"http:\/\/www.arcgis.com\/home\/item.html?id=f58500271c744480890a5d8e81805678\">Brazos Water Operations Model<\/a><\/small><\/em><\/p>\n"},{"acf_fc_layout":"content","content":"<h2>More Information?<\/h2>\n<p>Join <a href=\"https:\/\/community.esri.com\/welcome\">GeoNet<\/a> and ask questions to the <a href=\"https:\/\/community.esri.com\/community\/arcgis-living-atlas-of-the-world\">Living Atlas<\/a> community of experts.<\/p>\n"}],"authors":[{"ID":9412,"user_firstname":"Gonzalo","user_lastname":"Espinoza Davalos","nickname":"Gonzalo Espinoza","user_nicename":"gespinoza","display_name":"Gonzalo Espinoza","user_email":"gespinoza@esri.com","user_url":"http:\/\/www.gespinozadav.com","user_registered":"2019-04-04 19:02:26","user_description":"Gonzalo Espinoza specializes in hydrologic modeling, real time climate and hydro-informatic tools such as flood mapping and forecasting using National Water Model data. He masters the full geospatial tech stack required to develop scalable and operational services relying on large volumes of EO data in the fields of water and environment. Gonzalo holds a PhD in Civil Engineering from the University of Texas at Austin.\r\n\r\nFor questions about ArcGIS Living Atlas, contact environment@esri.com","user_avatar":"<img data-del=\"avatar\" src='https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2025\/12\/head_shot_gonzalo_2-1-465x465.jpg' class='avatar pp-user-avatar avatar-96 photo ' height='96' width='96'\/>"}],"related_articles":"","card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/hydro_card.png","wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/09\/hydro_banner-1.jpg"},"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>ArcGIS Living Atlas of the World Layers for Water Resources<\/title>\n<meta name=\"description\" content=\"It is exciting to start a new Arc Hydro project, from floodplain delineation to planning green infrastructure. 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