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Total Sky Imager observations during POLARSTERN cruise ANT-XXV/1 on 2008-11-27 with links to images

Authors
Publisher
PANGAEA
Publication Date
Identifiers
DOI: 10.1594/pangaea.820123
Keywords
  • Ant-Xxv/1
  • Atlantic
  • Transit Cruise
  • Oceanet-Atmosphere
  • Polarstern
  • Ps73
  • Ps73/1-Track
  • Total Sky Imager
  • Underway Cruise Track Measurements
  • Uniform Resource Locator/Link To Image

Abstract

Oceanet | Leibniz-Institut für Troposphärenforschung e.V., Leipzig Oceanet Overview Within the OCEANET project the fi ​rst shipborne facility was developed that is able to investigate continuously the transfer of energy and material between ocean and atmosphere. The facility is based on the expertise of the Helmholtz Centre for Ocean Research Kiel (GEOMAR), TROPOS, the Helmholtz Centre Geesthacht, and the Alfred Wegener Institute (AWI), Bremerhaven. State-of-the-art oceanic underway measurement systems observethe CO2 and O2 concentrations, type of plankton, temperature, salinity, nutrients, andturbidity to determine the state of the upper ocean [Petersen et al., 2003; A ​mann et al.,2011]. Continuous observations of aerosol, cloud, temperature, and humidity pro​les, liquid-water path, incident solar and thermal radiation, sensible and latent heat are performed to determine the inuence of the highly variable atmosphere on the radiativeenergy budget between ocean and atmosphere. Additional satellite observations by Meteosat Second Generation (MSG) are used to estimate the radiative energy budget at the top of atmosphere (TOA). OCEANET is currently operated aboard the German research vessel Polarstern during its meridional cruises to the southern hemisphere and back. OCEANET at TROPOS TROPOS contributes to OCEANET by means of the measurement of atmospheric properties above the Ocean surface. The first Polarstern-cruise of Oceanet took place in October 2009. Since then TROPOS has been participating regularly in the meridional cruises of Polarstern to the southern hemisphere. The equipment provided by TROPOS comprises an in-situ component and the remote-sensing component OCEANET- Atmosphere. 1/3 OCEANET-Atmosphere: The OCEANET-Atmosphere facility was developed to cover the atmospheric observations aboard Polarstern. All measurement instruments are mounted on a 20-feet container shown in Fig. 2. Incident solar and thermal radiation are measured with a pyranometer (CMP21) and a pyrgeometer (C

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