The International Union of Geodesy and Geophysics (IUGG; french: Union géodésique et géophysique internationale, UGGI) is an

international non-governmental organization An international non-governmental organization (INGO) is an organization which is independent of government involvement and extends the concept of a non-governmental organization (NGO) to an international scope. NGOs are independent of government ...

dedicated to the scientific study of

Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's sur ...

and its space environment using

geophysical Geophysics () is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis. The term ''geophysics'' some ...

and geodetic techniques. The IUGG was established in Brussels, Belgium in 1919. Some areas within its scope are environmental preservation, reduction of the effects of natural hazards, and

mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.John P. Rafferty, ed. (2 ...

resources. The IUGG is a member of the

International Science Council The International Science Council (ISC) is an international non-governmental organization that unites scientific bodies at various levels across the social and natural sciences. The ISC was formed with its inaugural general assembly on 4 July 20 ...

(ISC), which is composed of international scholarly and scientific institutions and national

academies of sciences An academy (Attic Greek: Ἀκαδήμεια; Koine Greek Ἀκαδημία) is an institution of secondary or tertiary higher learning (and generally also research or honorary membership). The name traces back to Plato's school of philosophy, f ...

Objectives

IUGG's objectives are the promotion and coordination of studies related to Earth's physical, chemical and mathematical representation. This includes geometrical shape, internal structure, gravity and magnetic fields,

seismicity Seismicity is a measure encompassing earthquake occurrences, mechanisms, and magnitude at a given geographical location. As such, it summarizes a region's seismic activity. The term was coined by Beno Gutenberg and Charles Francis Richter in ...

volcanism Volcanism, vulcanism or volcanicity is the phenomenon of eruption of molten rock (magma) onto the surface of the Earth or a solid-surface planet or moon, where lava, pyroclastics, and volcanic gases erupt through a break in the surface called a ...

, hydrologic cycle, glaciers, oceans, atmosphere,

ionosphere The ionosphere () is the ionized part of the upper atmosphere of Earth, from about to above sea level, a region that includes the thermosphere and parts of the mesosphere and exosphere. The ionosphere is ionized by solar radiation. It plays ...

, and

magnetosphere In astronomy and planetary science, a magnetosphere is a region of space surrounding an astronomical object in which charged particles are affected by that object's magnetic field. It is created by a celestial body with an active interior d ...

of Earth. It also includes solar, lunar and planetary studies.

Structures

The IUGG consists of eight semi-autonomous associations: *

International Association of Cryospheric Sciences The International Association of Cryospheric Sciences (IACS) is the eighth association of the International Union of Geodesy and Geophysics (IUGG). It was launched by the IUGG Council on 4 July 2007, developing from the International Commission o ...

(IACS) *

International Association of Geodesy ) , merged = , successor = , formation = , founder = , founding_location = , extinction = , merger = , type = scholarly society , tax_id ...

(IAG) * International Association of Geomagnetism and Aeronomy (IAGA) *

International Association of Hydrological Sciences The International Association of Hydrological Sciences (IAHS) is a non-profit non-governmental scientific organisation committed to serving the science of hydrology and the worldwide community of hydrologists. The IAHS was established in 1922, ...

(IAHS) *

International Association of Meteorology and Atmospheric Sciences International Association of Meteorology and Atmospheric Sciences (IAMAS) is a non-governmental organization aimed to promote and advance a number of atmospheric sciences through conferences, workshops and publications. IAMAS and its commissions ...

(IAMAS) *

International Association for the Physical Sciences of the Oceans International Association for the Physical Sciences of the Oceans (IAPSO) is one of eight associations of the International Union of Geodesy and Geophysics (IUGG), constituted within the International Council of Science (ICSU). It was founded in ...

(IAPSO) * International Association of Seismology and Physics of the Earth's Interior (IASPEI) * International Association of Volcanology and Chemistry of the Earth's Interior (IAVCEI) It has also established six commissions to promote interdisciplinary problems: *Climatic and Environmental Changes (CCEC) *Mathematical Geophysics (CMG) *Geophysical Risk and Sustainability (GRC) *Study of the Earth's Deep Interior (SEDI) *Data and Information (UCDI) *Planetary Sciences (UCPS) and the Union Working Group on History.

General Assemblies, Presidents, and Secretaries General

List of General Assemblies, Presidents, and Secretaries-General.IUGG - Bureau of the Union
Retrieved 01/07/2015.

References

External links

IUGG official website
Geodesy organizations Geophysics societies Earth sciences societies International scientific organizations Members of the International Council for Science Scientific organizations established in 1919 International organisations based in Germany Members of the International Science Council {{geophysics-stub

Objectives

Structures

General Assemblies, Presidents, and Secretaries General

See also

References

External links