<mark id="oztuc"></mark>
  1. <strong id="oztuc"></strong>
      <span id="oztuc"></span>
      1. <span id="oztuc"><output id="oztuc"><nav id="oztuc"></nav></output></span>
      2. <legend id="oztuc"><i id="oztuc"></i></legend>

      3. <span id="oztuc"><sup id="oztuc"></sup></span>
      4. <acronym id="oztuc"><blockquote id="oztuc"></blockquote></acronym>

        <ol id="oztuc"></ol>
        1. <span id="oztuc"><output id="oztuc"><b id="oztuc"></b></output></span>
        2. <optgroup id="oztuc"><li id="oztuc"></li></optgroup>

          <legend id="oztuc"></legend>
          <legend id="oztuc"><i id="oztuc"></i></legend>
        3. WELCOME TO IUGG


          The International Union of Geodesy and Geophysics (IUGG) is the international organization dedicated to advancing, promoting, and communicating knowledge of the Earth system, its space environment, and the dynamical processes causing change.

          Through its constituent Associations, Commissions, and services, IUGG convenes international assemblies and workshops, undertakes research, assembles observations, gains insights, coordinates activities, liaises with other scientific bodies, plays an advocacy role, contributes to education, and works to expand capabilities and participation worldwide.

          International Cooperation in Geodesy and Geophysics


          IUGG100 Website launched

          Meetings are subject to change due to COVID-19 pandemic. Updates will be available soon.

          IAVCEI Scientific Assembly
          January 20-24, 2022
          Rotorua, New Zealand

          IAHS Scientific Assembly
          May 30 - June 3, 2022
          Montpellier, France

          More Events
          欧美人与动性行为视频,欧美成 人影片 aⅴ免费观看,欧美观看免费全部完_主页,&*