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    "page_type": "Hyperwall Visual",
    "title": "AXIOM-1 Sea Surface Salinity, Sea Ice Thickness and Atmospheric Precipitable Water",
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    "update_date": "2024-12-15T23:40:26.546017-05:00",
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            "description": "AXIOM-1 (eXperimental Analysis of sea Ice and Ocean Mesoscale version 1) is a coupled analysis of the global ocean and sea ice obtained by assimilating Aquarius sea surface salinity (SSS) and MODIS chlorophyll data together with sea surface temperature (SST) and sea ice concentrations from the OSTIA objective analysis into a global high-resolution coupled ocean/ atmosphere/sea ice model.  The coupled model components are the MOM-5 ocean general circulation model, the GEOS-5 atmospheric general circulation model and the CICE sea ice model.  The ocean and sea ice model horizontal resolutions vary from 11km to less than 3km in the Arctic and the atmospheric model resolution is the same as that used to produce the GMAO operational weather forecasts (25km).<br><p><br>As a preamble to a fully coupled integrated earth system analysis, the atmospheric model is constrained to the GMAO MERRA-2 atmospheric reanalysis (prior to June 2013) and to the GMAO operational forward processing stream (after June 2013) while the SST, SSS, ice concentration and chlorophyll data are assimilated into the coupled model using a new methodology [State Adaptive Forecast-error Estimation (SAFE):  <a href=\"https://gmao.gsfc.nasa.gov/pubs/docs/Keppenne721.pdf\" target=\"_blank\">https://gmao.gsfc.nasa.gov/pubs/docs/Keppenne721.pdf</a>] developed especially for high-resolution data assimilation.<br><p><br>This animation shows the ocean SSS and sea ice thickness fields (shown over grid cells where the fractional ice coverage is greater than 15%) and the vertical integral of atmospheric precipitable water (transparent overlay) sampled every 6 hours from June 1, 2012 to November 1, 2014 from a reanalysis completed with the AXIOM-1 system.  The precipitations associated with tropical cyclones and other major storm systems induce localized surface freshenings which makes the corresponding storm tracks visible in the SSS field.",
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                    "name": "Christian L. Keppenne",
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            "role": "Project support",
            "people": [
                {
                    "name": "Eric Sokolowsky",
                    "employer": "Global Science and Technology, Inc."
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                {
                    "name": "Steve Graham",
                    "employer": "Global Science and Technology, Inc."
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    "keywords": [
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        "Atmospheric/ocean Indicators",
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    "related": [
        {
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            "page_type": "Visualization",
            "title": "A Decade of Sea Surface Salinity",
            "description": "This data visualization shows sea surface salinity (i.e., ocean salt concentration) over a ten year period (2011 to 2021). Warm colors (orange to yellow) are areas of high salinity/hot tropics. Cooler colors (blue to violet) are fresher waters, many of which can be seen coming from rainy/river/wetter tropics. || salinity_v48_8k.4653_print.jpg (1024x512) [132.1 KB] || salinity_v48_8k.4653_searchweb.png (180x320) [80.5 KB] || salinity_v48_8k.4653_thm.png (80x40) [6.6 KB] || salinity_v49_1000p30.mp4 (2000x1000) [56.3 MB] || 2000x1000_2x1_60p (2000x1000) [0 Item(s)] || salinity_v49_1000p30.webm (2000x1000) [14.5 MB] || salinity_v49_1000p60.mp4 (2000x1000) [31.9 MB] || 8000x4000_2x1_60p (8000x4000) [0 Item(s)] || salinity_v49_8k_2000p30_h265.mp4 (4000x2000) [88.0 MB] || ",
            "release_date": "2022-08-26T00:00:00-04:00",
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                "media_type": "Image",
                "alt_text": "This data visualization shows sea surface salinity (i.e., ocean salt concentration) over a ten year period (2011 to 2021). Warm colors (orange to yellow) are areas of high salinity/hot tropics. Cooler colors (blue to violet) are fresher waters, many of which can be seen coming from rainy/river/wetter tropics.",
                "width": 1024,
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        {
            "id": 30584,
            "url": "https://svs.gsfc.nasa.gov/30584/",
            "page_type": "Hyperwall Visual",
            "title": "AXIOM-1 Ocean chlorophyll, Sea Ice Thickness and Atmospheric Precipitable Water",
            "description": "This animation shows ocean surface chlorophyll concentration, sea ice thickness, and atmospheric precipitable water. || 0001_print.jpg (1024x576) [236.0 KB] || 0001_searchweb.png (320x180) [121.0 KB] || 0001_web.png (320x180) [121.0 KB] || 0001_thm.png (80x40) [8.0 KB] || chl-1920x1080.webm (1920x1080) [15.9 MB] || axiom_chl_720p.mp4 (1280x720) [161.2 MB] || axiom_chl_h265_720p.mp4 (1280x720) [105.5 MB] || chl-1920x1080.mp4 (1920x1080) [889.5 MB] || chl (5760x3240) [128.0 KB] || axiom_chl_h265_2304p.mp4 (4096x2304) [913.8 MB] || chlorophyll_ice_thickness_precip_water_30584.key [896.4 MB] || chlorophyll_ice_thickness_precip_water_30584.pptx [893.1 MB] || axiom_chl_2304p.mp4 (4096x2304) [1.4 GB] || ",
            "release_date": "2015-02-13T00:00:00-05:00",
            "update_date": "2024-12-15T23:40:35.468046-05:00",
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                "media_type": "Image",
                "alt_text": "This animation shows ocean surface chlorophyll concentration, sea ice thickness, and atmospheric precipitable water.",
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        },
        {
            "id": 30524,
            "url": "https://svs.gsfc.nasa.gov/30524/",
            "page_type": "Hyperwall Visual",
            "title": "AXIOM-1 Sea Surface Temperature",
            "description": "This animation shows sea surface temperature, ice thickness, and atmospheric precipitable water. || 0001_print.jpg (1024x576) [212.3 KB] || 0001_searchweb.png (320x180) [102.5 KB] || 0001_web.png (320x180) [102.5 KB] || 0001_thm.png (80x40) [7.0 KB] || sst-1920x1080.webm (1920x1080) [41.7 MB] || sst (1920x1080) [128.0 KB] || sst (5760x3240) [128.0 KB] || sst-1920x1080.mp4 (1920x1080) [1.3 GB] || sst_ice_thickness_precip_water_30524.key [1.3 GB] || sst_ice_thickness_precip_water_30524.pptx [1.3 GB] || sst-5760x3240.mp4 (5760x3240) [9.0 GB] || ",
            "release_date": "2014-11-03T00:00:00-05:00",
            "update_date": "2024-12-15T23:38:40.863778-05:00",
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                "media_type": "Image",
                "alt_text": "This animation shows sea surface temperature, ice thickness, and atmospheric precipitable water.",
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    "sources": [],
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}