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<p class="MsoNormal"><span style="color:black">Dear colleagues across many geoscientific disciplines,</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">We would like to draw your attention to a broad AGU session focused on the use of GNSS technology for observations within Earth System Science and Geoscience disciplines. This session, while hosted by atmospheric science, is cross-listed
in the AGU program with natural hazards, geodesy, and atmospheric and space electricity. Please considered submitting your promising research to this session.</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<b><span style="color:black">Session Name</span></b><span style="color:black">:<span class="apple-converted-space"> </span><u>A009 – Advancing Earth System Science Research using Global Navigation Satellite Systems Technology</u></span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<b><span style="color:black">Session Description</span></b><span style="color:black">:<span class="apple-converted-space"> </span><span style="background:white">Global Navigation Satellite System (GNSS) signals are particularly useful for various forms of geophysical
research due to its high precision and insensitivity to clouds and precipitation. As such, GNSS observations such as radio occultations (GNSS-RO), GNSS reflections (GNSS-R), and the expanding network of ground stations provide high-quality global atmospheric,
ionospheric, and surface retrievals useful in a wide variety of research. These observations also greatly contribute to numerical simulation systems and their data assimilation tools for accurate forecasts and early warning systems for natural hazards of many
origins.</span></span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">This session welcomes submissions including, but not limited to the following topics:</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">1.</span><span style="font-size:7.0pt;font-family:"Times New Roman",serif;color:black"> <span class="apple-converted-space"> </span></span><span style="color:black">Neutral atmospheric research topics and related GNSS applications,</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">2.</span><span style="font-size:7.0pt;font-family:"Times New Roman",serif;color:black"> <span class="apple-converted-space"> </span></span><span style="color:black">Geological and oceanographic applications using GNSS,</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">3.</span><span style="font-size:7.0pt;font-family:"Times New Roman",serif;color:black"> <span class="apple-converted-space"> </span></span><span style="color:black">GNSS remote sensing technology advancement and novel observing
concepts,</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">4.</span><span style="font-size:7.0pt;font-family:"Times New Roman",serif;color:black"> <span class="apple-converted-space"> </span></span><span style="color:black">State-of-the-art atmospheric and surface property retrieval algorithm
developments, and</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">5.</span><span style="font-size:7.0pt;font-family:"Times New Roman",serif;color:black"> <span class="apple-converted-space"> </span></span><span style="color:black">Numerical weather prediction, ionospheric forecasting, and natural
hazard now-casting applications of GNSS remote sensing.</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black"> </span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">Abstract submissions are due August 2, 2023. Submit your abstracts<span class="apple-converted-space"> </span><a href="https://agu.confex.com/agu/fm23/prelim.cgi/Session/188298" title="https://agu.confex.com/agu/fm23/prelim.cgi/Session/188298"><span style="color:#0A0037">here</span></a>!</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">See you in San Francisco!</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">Kevin J. Nelson – NASA Jet Propulsion Laboratory</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">Kuo-Nung Wang – NASA Jet Propulsion Laboratory</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">Benjamin R. Johnston – University Corporation for Atmospheric Research</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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<span style="color:black">Mayra I. Oyola-Merced – University of Wisconsin – Madison</span><span style="color:#1D1D1D"><o:p></o:p></span></p>
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