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  • Educational Activities for Students

    The educational program for children at Thissio Visitor Center starts in October

  • Doridis Telescope

    Doridis Telescope

  • WMO certificate
  • ttod_photo01
  • August

    August 2017 | Photo: Theofanis Matsopoulos

  • CHARTE DES GEBIRGE DES MONDES

    Julius Schmidt, CHARTE DES GEBIRGE DES MONDES, 1878, ΝΟΑ Library

  • simonvouet English2

    Simon Vouet (1590 - 1649), The Muses Urania and Calliope (1634)

    National Gallery of Art, USA

  • Τηλεσκόπιο Αρίσταρχος English

    Aristarchos Telescope, Helmos Observatory

  • Helmos National Geographic English

    Helmos Observatory, Photography: Harry Katzjaeger
    Source: "Top Shots," National Geographic, June 2012

  • Eskimo Nebula NGC2392 English

    Eskimo Nebula (NGC2392), Aristarchos Telescope, Observer: Dr. Ioannis Alikakos (NOA)

    Digital Image Processing: Theofanis Matsopoulos.

  • Μουσείο Γεωαστροφυσικής English

    Geoastrophysics Museum, Thissio

  • Εκπαίδευση στο ΕΑΑ English

    Summer School in Astrophysics

  • Τηλεπισκόπηση-Γή English

    Remote Sensing & Earth Observation

  • Greece from ISS English

    Greece from the International Space Station

    Photography: Paolo Nespoli, ESA astronaut

  • 3D Sun English

    3D Image of the Sun from the Solar Dynamics Observatory (SDO) mission of NASA.

    Source: NASA's Solar Dynamics Observatory

  • Helicorder English

    Analogue seismograph recorder

  • Geothermal English
  • Παλιρροιογραφος English

    Tide-gauge of the Instittute of Geodynamics at Vlyhada, Santorini.

  • Πειραμα Ulusses English
    Recovered  Ocean Bottom Seismometers on board of research vessel in the frame of the ULYSSES scientific program
  • Meteo historic archive english

    The historic archive of NOA/IERSD with recordings of climatic observations dated from the mid-19th century is one of the oldesr sources of climatic information for Eastern Medirranean.

  • Meteo time-series graph English

    The evolution of the average annual temperature in Athens from the mid-19th century until today, according to the records of the historic station NOA/IERSD (Hill Nymphs Thission).

  • Researchers Night 2014

    Pnyx Hill: Citizens observe the night sky through telescopes of NOA

    Researchers Night 2014

  • Researchers Night 2014

    Pnyx Hill: Citizens observe the night sky through telescopes of NOA

    Researchers Night 2014

Acronym:

ACI – UV

Title:

Aerosol and Cloud Influence on global surface UV irradiance retrieved from satellite sensors

Funding Organization:

European Commission-FP7.

NOA Role:

Coordinator

Scientist in charge:

Dr. S.Kazadzis

Start Date:

28/05/2010

End Date:

31/05/2013 (extended)

Project Website:

http://apcg.meteo.noa.gr/ (under group projects)

Number of Personnel

Under NOA Contracts

10

Summary

In order to study the UV related effects and their implications thoroughly; accurate information is needed on UV radiation intensities over the globe. The main overall scientific goal of this project is to search for improvements in estimating surface UV from satellite measurements(AURA/OMI, EUMETSAT/O3MSAF) and thus to decrease the uncertainty related to the globally available surface UV data, which is of importance and interest for a wide discipline of UV related studies.

The above goal is planned to be achieved through the integration of measurements from different satellite sensors, which is likely the most feasible strategy for improving on the uncertainties related to UV radiation data. Using UV irradiance satellite/products, a modified method will be proposed for the retrieval of such parameters in a global scale. All, results will be validated against available quality assured ground-based measurements.

 

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Penteli Visitor Center
Thissio Visitor Center
Educational program on Meteorology
Multiple Events

Real Time Seismicity

Institute of Geodynamics
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Weather Forecast

 

View the latest weather forecasts, maps, and alerts for Greece on meteo.gr
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The Sky Today

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