{"id":1086551,"date":"2020-12-15T01:30:57","date_gmt":"2020-12-15T09:30:57","guid":{"rendered":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&p=1086551"},"modified":"2021-02-24T10:46:19","modified_gmt":"2021-02-24T18:46:19","slug":"global-stream-flow-2020","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/water\/global-stream-flow-2020","title":{"rendered":"Significant Improvements to Global Streamflow Services"},"author":8492,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[23341,22941,23051],"tags":[27751,25501,24981,756682,31831],"industry":[],"product":[36581],"class_list":["post-1086551","blog","type-blog","status-publish","format-standard","hentry","category-analytics","category-mapping","category-water","tag-disaster","tag-flood","tag-hydro","tag-insurance","tag-streamflow","product-arcgis-living-atlas"],"acf":{"short_description":"This valuable service has been updated with new modeling, cartography, and packaged with a custom web map.","flexible_content":[{"acf_fc_layout":"content","content":"

The\u00a0<\/span>global streamflow service has just been <\/span>updated with new modeling<\/span>, new <\/span>cartography<\/span>, and\u00a0<\/span>is<\/span>\u00a0now wrapped into<\/span>\u00a0a<\/span>\u00a0<\/span>web map<\/span><\/a> with a custom <\/span>basemap<\/span>\u00a0designed specifically for use with this layer<\/span>.<\/span>\u00a0<\/span>\u00a0<\/span><\/p>\n

Streamflow Modeling<\/h2>\n

Over the past 5 years, Esri has been collaborating with Brigham Young University (BYU<\/a>), the European Center for Medium Range Weather Forecasting (ECMWF<\/a>), the GEO Global Water Sustainability (GEOGloWS<\/a>) program and others on a vision to provide global streamflow forecasts and historic flow through easy-to-use web maps. The earlier prototype has now evolved from the research environment at BYU into an operational system<\/a> hosted at ECMWF, the authoritative provider of the daily forecast. This upgrade will ensure reliability and continued availability of this valuable data.<\/p>\n

In addition to the move to ECMWF, the services are updated with symbology based on the ECMWF ERA5<\/a> data, which provides a 40 year historic record for computing the return periods. The return period is how frequently a streamflow, or potentially a flood, of that magnitude could be expected, based upon the 40 year record available. The return period provides an easy way to recognize in the map or graph how high the flow is relative to normal and historic flow.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1089471,"id":1089471,"title":"eem_2020_GlobalWater11","filename":"eem_2020_GlobalWater11.png","filesize":36228,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater11.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/water\/global-stream-flow-2020\/eem_2020_globalwater11","alt":"Graph forecast from November 14th showing a 25 year peak flow (the red area) coming on November 19th as hurricane Iota leaves Honduras.","author":"8492","description":"","caption":"Forecast from November 14th showing a 25 year peak flow (the red area) coming on November 19th as hurricane Iota leaves Honduras.","name":"eem_2020_globalwater11","status":"inherit","uploaded_to":1086551,"date":"2020-12-16 17:08:56","modified":"2020-12-16 17:09:37","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":1239,"height":698,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater11-213x200.png","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater11.png","medium-width":464,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater11.png","medium_large-width":768,"medium_large-height":433,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater11.png","large-width":1239,"large-height":698,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater11.png","1536x1536-width":1239,"1536x1536-height":698,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater11.png","2048x2048-width":1239,"2048x2048-height":698,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater11-826x465.png","card_image-width":826,"card_image-height":465,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater11.png","wide_image-width":1239,"wide_image-height":698}},"image_position":"center","orientation":"horizontal","hyperlink":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater11.png"},{"acf_fc_layout":"content","content":"

The<\/span>\u00a0<\/span>GEOGloWS<\/span>\u00a0ECMWF Streamflow system<\/span><\/a>\u00a0site<\/span>\u00a0provides\u00a0<\/span>additional information about the analysis methodology,\u00a0<\/span>REST API,<\/span>\u00a0integrated map-graph interface,\u00a0<\/span>and source code<\/span>.<\/span>\u00a0<\/span><\/p>\n

These services were recently instrumental in Latin America\u00a0<\/span>when they were struck by two category 4 hurricanes<\/span>, Eta and Iota,<\/span>\u00a0only two weeks apart<\/span>.<\/span>\u00a0<\/span><\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1089491,"id":1089491,"title":"eem_2020_GlobalWater12","filename":"eem_2020_GlobalWater12-scaled.jpg","filesize":809350,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater12-scaled.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/water\/global-stream-flow-2020\/eem_2020_globalwater12","alt":"Picture of the aftermath of flooding from Hurricanes Eta and Iota in Valle de Sula, Honduras.","author":"8492","description":"","caption":"Aftermath of flooding from Hurricanes Eta and Iota in Valle de Sula, Honduras.","name":"eem_2020_globalwater12","status":"inherit","uploaded_to":1086551,"date":"2020-12-16 17:12:49","modified":"2020-12-16 17:13:17","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":2560,"height":1440,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater12-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater12-scaled.jpg","medium-width":464,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater12-scaled.jpg","medium_large-width":768,"medium_large-height":432,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater12-scaled.jpg","large-width":1920,"large-height":1080,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater12-1536x864.jpg","1536x1536-width":1536,"1536x1536-height":864,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater12-2048x1152.jpg","2048x2048-width":2048,"2048x2048-height":1152,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater12-826x465.jpg","card_image-width":826,"card_image-height":465,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater12-1920x1080.jpg","wide_image-width":1920,"wide_image-height":1080}},"image_position":"center","orientation":"horizontal","hyperlink":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater12-scaled.jpg"},{"acf_fc_layout":"content","content":"

After Hurricane Eta,\u00a0<\/span><\/span>the Central American disaster organization (<\/span><\/span>CEPREDENAC<\/span><\/span><\/a>)<\/span><\/span>\u00a0<\/span><\/span>used the<\/span><\/span>\u00a0servi<\/span><\/span>ce\u00a0<\/span><\/span>to improve their situational awareness<\/span><\/span>, to know how much water was in the rivers at the time and how much water would be in the rivers each day as\u00a0<\/span><\/span>the next storm<\/span><\/span>,<\/span><\/span>\u00a0<\/span><\/span>h<\/span><\/span>urricane<\/span><\/span>\u00a0<\/span><\/span>Iota<\/span><\/span>,<\/span><\/span>\u00a0<\/span><\/span>approached<\/span><\/span>\u00a0and then moved through the region<\/span><\/span>.<\/span><\/span>\u00a0<\/span><\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1089501,"id":1089501,"title":"eem_2020_GlobalWater9","filename":"eem_2020_GlobalWater9.png","filesize":509636,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater9.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/water\/global-stream-flow-2020\/eem_2020_globalwater9","alt":"","author":"8492","description":"","caption":"GEOGloWS ECMWF streamflow forecast for November 18th, 2020 showing major rivers systems in the region with 25 year and 50 year flows.","name":"eem_2020_globalwater9","status":"inherit","uploaded_to":1086551,"date":"2020-12-16 17:14:18","modified":"2020-12-16 20:07:54","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":1248,"height":891,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater9-213x200.png","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater9.png","medium-width":366,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater9.png","medium_large-width":768,"medium_large-height":548,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater9.png","large-width":1248,"large-height":891,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater9.png","1536x1536-width":1248,"1536x1536-height":891,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater9.png","2048x2048-width":1248,"2048x2048-height":891,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater9-651x465.png","card_image-width":651,"card_image-height":465,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater9.png","wide_image-width":1248,"wide_image-height":891}},"image_position":"center","orientation":"horizontal","hyperlink":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater9.png"},{"acf_fc_layout":"content","content":"

Cartography\u00a0in Alignment with Industry Standards<\/h2>\n

Ther<\/span>e<\/span>\u00a0is a<\/span>\u00a0<\/span>precedent pattern<\/span>\u00a0already\u00a0<\/span>in place\u00a0<\/span>from\u00a0<\/span>NOAA<\/span><\/a>\u00a0and\u00a0<\/span>GloF<\/span>AS<\/span><\/a>\u00a0for progression of colors from low<\/span>\u00a0(yellow)<\/span>\u00a0to high\u00a0<\/span>flood\u00a0<\/span>risk<\/span>\u00a0(purple)<\/span>.<\/span>\u00a0<\/span><\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1087441,"id":1087441,"title":"eem_2020_GlobalWater3","filename":"eem_2020_GlobalWater3-e1608140806880.png","filesize":226768,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater3-e1608140806880.png","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/water\/global-stream-flow-2020\/eem_2020_globalwater3-2","alt":"NOAA river forecast graph.","author":"8492","description":"","caption":"NOAA river forecast with yellow, orange, red, and purple color classes.","name":"eem_2020_globalwater3-2","status":"inherit","uploaded_to":1086551,"date":"2020-12-15 19:30:05","modified":"2020-12-16 17:51:35","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":500,"height":388,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater3-e1608140806880.png","thumbnail-width":213,"thumbnail-height":165,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater3-e1608140806880.png","medium-width":336,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater3-e1608140806880.png","medium_large-width":500,"medium_large-height":388,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater3-e1608140806880.png","large-width":500,"large-height":388,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater3-e1608140806880.png","1536x1536-width":500,"1536x1536-height":388,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater3-e1608140806880.png","2048x2048-width":500,"2048x2048-height":388,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater3-e1608140806880.png","card_image-width":500,"card_image-height":388,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater3-e1608140806880.png","wide_image-width":500,"wide_image-height":388}},"image_position":"center","orientation":"horizontal","hyperlink":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater3.png"},{"acf_fc_layout":"content","content":"

In order to stay\u00a0<\/span><\/span>in sync with th<\/span><\/span>e\u00a0<\/span><\/span>palette that<\/span><\/span>‘s\u00a0<\/span><\/span>already<\/span><\/span>\u00a0been\u00a0<\/span><\/span>in place,\u00a0<\/span><\/span>similar\u00a0<\/span><\/span>colors\u00a0<\/span><\/span>were selected and<\/span><\/span>\u00a0designed to increase in saturation as you moved from\u00a0<\/span><\/span>\u2018<\/span><\/span>Normal<\/span><\/span>\u2019<\/span><\/span>\u00a0to\u00a0<\/span><\/span>\u2018<\/span><\/span>Exceeds 50 Year<\/span><\/span>\u2019<\/span><\/span> flow return.\u00a0 The width of the lines is representative of the amount of water in each stream reach at each time step of the forecast.<\/span><\/span><\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1089511,"id":1089511,"title":"eem_2020_GlobalWater8","filename":"eem_2020_GlobalWater8-scaled.jpg","filesize":151238,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater8-scaled.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/water\/global-stream-flow-2020\/eem_2020_globalwater8","alt":"Map legend showing the color classes and line widths.","author":"8492","description":"","caption":"","name":"eem_2020_globalwater8","status":"inherit","uploaded_to":1086551,"date":"2020-12-16 17:16:36","modified":"2020-12-16 17:17:10","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":2560,"height":881,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater8-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater8-scaled.jpg","medium-width":464,"medium-height":160,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater8-scaled.jpg","medium_large-width":768,"medium_large-height":264,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater8-scaled.jpg","large-width":1920,"large-height":661,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater8-1536x529.jpg","1536x1536-width":1536,"1536x1536-height":529,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater8-2048x705.jpg","2048x2048-width":2048,"2048x2048-height":705,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater8-826x284.jpg","card_image-width":826,"card_image-height":284,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater8-1920x661.jpg","wide_image-width":1920,"wide_image-height":661}},"image_position":"center","orientation":"horizontal","hyperlink":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater8-scaled.jpg"},{"acf_fc_layout":"content","content":"

They also\u00a0<\/span><\/span>work on both dark and light\u00a0<\/span><\/span>basemap<\/span><\/span>s<\/span><\/span>\u00a0a<\/span><\/span>nd\u00a0<\/span><\/span>are\u00a0<\/span><\/span>color blind friendly<\/span><\/span>.<\/span><\/span>\u00a0<\/span><\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1089521,"id":1089521,"title":"eem_2020_GlobalWater6","filename":"eem_2020_GlobalWater6-scaled.jpg","filesize":279820,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater6-scaled.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/water\/global-stream-flow-2020\/eem_2020_globalwater6","alt":"Color palette showing on various basemaps and color blindness.","author":"8492","description":"","caption":"","name":"eem_2020_globalwater6","status":"inherit","uploaded_to":1086551,"date":"2020-12-16 17:18:38","modified":"2020-12-16 17:19:10","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":2560,"height":1075,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater6-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater6-scaled.jpg","medium-width":464,"medium-height":195,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater6-scaled.jpg","medium_large-width":768,"medium_large-height":323,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater6-scaled.jpg","large-width":1920,"large-height":806,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater6-1536x645.jpg","1536x1536-width":1536,"1536x1536-height":645,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater6-2048x860.jpg","2048x2048-width":2048,"2048x2048-height":860,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater6-826x347.jpg","card_image-width":826,"card_image-height":347,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater6-1920x807.jpg","wide_image-width":1920,"wide_image-height":807}},"image_position":"center","orientation":"horizontal","hyperlink":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater6-scaled.jpg"},{"acf_fc_layout":"content","content":"

This layer is also offered within a\u00a0<\/span><\/span>web map<\/span><\/span><\/a>\u00a0<\/span><\/span>that contains\u00a0<\/span><\/span>two<\/span><\/span>\u00a0<\/span><\/span>customized\u00a0<\/span><\/span>vector tile\u00a0<\/span><\/span>basemap<\/span><\/span>s<\/span><\/span>\u00a0<\/span><\/span>created from\u00a0<\/span><\/span>the World Terrain Reference Local Language<\/a> and Dark Gray Canvas Base<\/a><\/span><\/span>, two of Esri\u2019s signature\u00a0<\/span><\/span>basemaps<\/span><\/span>.\u00a0 The basemap layers were customized with Esri’s Vector Style Editor<\/a> which allows users to make custom modifications to these maps and then save them to their own organizations and share publicly.<\/span><\/span><\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1089591,"id":1089591,"title":"eem_2020_GlobalWater13","filename":"eem_2020_GlobalWater13.jpg","filesize":229978,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater13.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/water\/global-stream-flow-2020\/eem_2020_globalwater13","alt":"Detail of basemap.","author":"8492","description":"","caption":"","name":"eem_2020_globalwater13","status":"inherit","uploaded_to":1086551,"date":"2020-12-16 18:15:51","modified":"2020-12-16 18:22:10","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":1557,"height":746,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater13-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater13.jpg","medium-width":464,"medium-height":222,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater13.jpg","medium_large-width":768,"medium_large-height":368,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater13.jpg","large-width":1557,"large-height":746,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater13-1536x736.jpg","1536x1536-width":1536,"1536x1536-height":736,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater13.jpg","2048x2048-width":1557,"2048x2048-height":746,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater13-826x396.jpg","card_image-width":826,"card_image-height":396,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater13.jpg","wide_image-width":1557,"wide_image-height":746}},"image_position":"center","orientation":"horizontal","hyperlink":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater13.jpg"},{"acf_fc_layout":"content","content":"

This map was designed specifically for the GEOGloWS ECMWF Streamflow System.\u00a0 You will find that stream name labels are featured more prominently at all map scales.\u00a0 Additionally, global topographic features are also more noticeable and are shown with a reference layer that’s in the local language for some areas (streets, businesses, points of interest, etc.).\u00a0 By design there is an absence of color on the basemap (using the Dark Gray Canvas) so that the only color values on the map are the actual water line features.\u00a0 Transparency has also been set on the base layer to leverage the World Hillshade Dark, further accentuating the headwater areas.\u00a0 This results in a simple and beautiful surface water centric map, where streams with higher than normal flow values pop off the screen and get noticed.<\/p>\n

Next Steps<\/h2>\n

To make these services even more useful, we are developing a graph widget to show the forecast and historic flow information<\/span>, like that shown above from the\u00a0<\/span>GEOGloWS<\/span> ECMWF site<\/span>. The graph widget will be part of a configurable<\/span>\u00a0<\/span>web app template to make it easy\u00a0<\/span>for\u00a0<\/span>countries and regional authorities\u00a0<\/span>to deploy\u00a0<\/span>customized streamflow\u00a0<\/span>applications.<\/span><\/p>\n

Project Collaborators<\/h2>\n

A big thanks to the diverse team of project collaborators from academia, government, industry, and NGOs who helped evolve this idea from a research vision to an openly available operational service.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1090771,"id":1090771,"title":"eem_2020_GlobalWater16","filename":"eem_2020_GlobalWater16-scaled.jpg","filesize":141635,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater16-scaled.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/arcgis-living-atlas\/water\/global-stream-flow-2020\/eem_2020_globalwater16","alt":"","author":"8492","description":"","caption":"","name":"eem_2020_globalwater16","status":"inherit","uploaded_to":1086551,"date":"2020-12-16 21:07:32","modified":"2020-12-16 21:07:32","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":2560,"height":623,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater16-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater16-scaled.jpg","medium-width":464,"medium-height":113,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater16-scaled.jpg","medium_large-width":768,"medium_large-height":187,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater16-scaled.jpg","large-width":1920,"large-height":467,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater16-1536x374.jpg","1536x1536-width":1536,"1536x1536-height":374,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater16-2048x498.jpg","2048x2048-width":2048,"2048x2048-height":498,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater16-826x201.jpg","card_image-width":826,"card_image-height":201,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater16-1920x467.jpg","wide_image-width":1920,"wide_image-height":467}},"image_position":"center","orientation":"horizontal","hyperlink":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2020\/12\/eem_2020_GlobalWater15-scaled.jpg"}],"authors":[{"ID":139981,"user_firstname":"Steve","user_lastname":"Kopp","nickname":"skopp","user_nicename":"skopp","display_name":"Steve Kopp","user_email":"skopp@esri.com","user_url":"","user_registered":"2020-12-16 04:35:45","user_description":"Steve is a science community liaison and senior product engineer on the Esri spatial analysis team. He spends his work day building bridges between applied science and spatial technologies, and enjoys helping people discover hidden patterns in space and time. When away from the office he is typically found in or under the water in search of native species, often with a camera.","user_avatar":""},{"ID":8492,"user_firstname":"Emily","user_lastname":"Meriam","nickname":"Emily Meriam","user_nicename":"emeriam","display_name":"Emily Meriam","user_email":"EMeriam@esri.com","user_url":"https:\/\/www.instagram.com\/emilymeriam\/","user_registered":"2018-10-26 16:33:49","user_description":"Emily Meriam has a diverse GIS background that spans more than two decades. Her portfolio includes mapping elephants in Thailand, wildlife poachers in the Republic of Palau, land-use issues around Yosemite National Park, and active wildfire incidents for the State of California. Since 2018, Emily has been with Esri's ArcGIS Living Atlas of the World. In this role she serves as lead Cartographer and Senior GIS Engineer for the Environment Team where she styles and designs layers, maps, and applications for the global GIS community. Outside of her professional endeavors, Emily is a passionate geographer who enjoys exploring the world with her family.","user_avatar":""}],"related_articles":[{"ID":1002572,"post_author":"9412","post_date":"2020-09-18 05:00:52","post_date_gmt":"2020-09-18 12:00:52","post_content":"","post_title":"ArcGIS Living Atlas of the World Layers for Water Resources","post_excerpt":"","post_status":"publish","comment_status":"open","ping_status":"closed","post_password":"","post_name":"arcgis-living-atlas-of-the-world-layers-for-water-resources","to_ping":"","pinged":"","post_modified":"2021-02-03 04:51:40","post_modified_gmt":"2021-02-03 12:51:40","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&p=1002572","menu_order":0,"post_type":"blog","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":544002,"post_author":"7841","post_date":"2019-07-03 08:05:08","post_date_gmt":"2019-07-03 15:05:08","post_content":"","post_title":"New Live Feeds Weather Data Goes Live","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"new-live-feeds-weather-data-goes-live","to_ping":"","pinged":"","post_modified":"2019-09-03 10:30:30","post_modified_gmt":"2019-09-03 17:30:30","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&p=544002","menu_order":0,"post_type":"blog","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":877671,"post_author":"6971","post_date":"2020-06-08 04:27:33","post_date_gmt":"2020-06-08 11:27:33","post_content":"","post_title":"Vector Tile Style Editor mega hack","post_excerpt":"","post_status":"publish","comment_status":"open","ping_status":"closed","post_password":"","post_name":"vector-tile-style-editor-mega-hack","to_ping":"","pinged":"","post_modified":"2020-06-05 08:57:48","post_modified_gmt":"2020-06-05 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