Deutsches Ozeanographisches
Datenzentrum
Inventur der Sonne1-Reise SO235 (DOD-Ref-No.20140029)
Inventory of Sonne1 Cruise SO235 (DOD-Ref-No.20140029)
Plattform Platform |
Reise-Nr. Cruise-No. |
Zeitraum Period |
Projekt Project |
Arbeitsgebiet Working area |
---|---|---|---|---|
Sonne1 | SO235 | 22.07.2014 - 08.08.2014 | OASIS |
Indian Ocean |
Fahrtleiter Chief Scientist | Institut Institute | Auslaufhafen Port of departure | Einlaufhafen Port of return | Stationskarte Station map | Schiffsroute Trackchart |
---|---|---|---|---|---|
Kruger Kirstin | Helmholtz Centre for Ocean Research Kiel (GEOMAR) | Port Louis | Male |
Ziel der Reise / Objectives of Cruise:
Within the frame work of the BMBF-project OASIS ("Organic very short lived substances and their Air Sea Exchange from the Indian Ocean to the Stratosphere") the research cruise SO235 of the German research vessel SONNE was organized and conducted by the University of Oslo, Norway (www.uio.no) together with the GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany (www.geomar.de) from July 23 to August 07, 2014 in the tropical West Indian Ocean. The SO235 cruise was planned as a pilot study to the tropical West Indian Ocean. 23 scientists from Germany, Austria, China, Italy, Malaysia, UK and USA and one observer from Mauritius took part. The research covered oceanic sources, air-sea gas exchange between the atmosphere and the ocean, and the transport of ocean trace gases from the Indian Ocean to the stratosphere during the southwest Monsoon. This research was funded from the BMBF with the project SO235-OASIS (Grant: 03G0235A). Spatial and temporal variability in production and sea-to-air flux of short-lived halogenated and sulphuric trace gases creates strongly varying oceanic distributions and thus also varying atmospheric contributions. The current impact of the natural ozone depleting substances is still uncertain and future changes in the mechanisms, that regulate their emissions to the atmosphere, their transport, and their chemical processing are largely unknown. Therefore the oceanic emissions have the potential to cause surprises in the evolution of the stratospheric ozone and aerosol layer in a changing climate, unless they are better understood. The tropical Indian Ocean measurements are thus needed to improve the understanding of future stratospheric halogen and sulphur loading and therewith on the ozone depletion and the radiative forcing of the future climate. The results of the SO235 campaign will contribute to new scientific insights of the United Nations Montreal Protocol on Substances that Deplete the Ozone Layer, to the United Nations Framework Convention on Climate Change, and to global climate change research in general.
Messungen / Measurements
Institut Institute |
Wissenschaftler Scientist |
Anzahl Number |
Einheit Unit |
Typ der Messungen Type of measurements |
Kommentar Comments |
Daten im DOD Data in DOD |
---|---|---|---|---|---|---|
AWI | Bracher Astrid | 216 | samples | B02 Phytoplankton pigments (e.g. chlorophyll, fluorescence) |
Discrete measurements of phytoplankton pigments (surface and deep water). | no |
GEOMAH | Marandino Christa A. | 280 | samples | B06 Dissolved organic matter (e.g. DOC) |
Samples for measuring CDOM. | no |
GEOMAH | Quack Birgit | 15 | profiles | H10 CTD-Stations |
Measurement of temperature, salinity, oxygen and fluorescence. | no |
AWI | Bracher Astrid | 15 | deployment | H17 Optics (e.g. underwater light levels) |
Deployment of FRRF (in-situ optical and fluorescence measurements). | no |
GEOMAH | Quack Birgit | 230 | samples | H33 Other dissolved gases |
Discrete measurements of halocarbons (surface and deep water). | no |
GEOMAH | Marandino Christa A. | 15 | day(s) | H33 Other dissolved gases |
Underway measurement of OCS, CO. | no |
GEOMAH | Marandino Christa A. | 400 | samples | H33 Other dissolved gases |
Measurement of discrete samples of DMS, isoprene (underway and CTD). | no |
GEOMAH | Bange Hermann W. | 15 | day(s) | H33 Other dissolved gases |
Underway measurement of N2O and CO. | no |
GEOMAH | Bange Hermann W. | 210 | samples | H33 Other dissolved gases |
Discrete measurements of N2O, NH2OH and CH4 (surface and deep water). | no |
GEOMAH | Quack Birgit | 1 | n miles | H80 Other physical measurements |
Underway measurements during the whole trip such as coordinates, depth, meteorological parameter and so on | yes |
GEOMAH | Quack Birgit | 250 | samples | H90 Other chemical oceanographic measurements |
Samples for measuring iodide and iodate (Braunschweig and Kiel). | no |
GEOMAH | Quack Birgit | 430 | samples | H90 Other chemical oceanographic measurements |
Discrete measurements of nutrients (surface and deep water). | no |
UIO | Kruger Kirstin | 89 | profiles | M01 Upper air observations |
Radiosonde launches (measurement of meteorological variables). | no |
UEAN | Baker Alex | 10 | samples | M71 Atmospheric chemistry |
Discrete measurement of aerosol samples. | no |
GEOMAH | Quack Birgit | 107 | samples | M71 Atmospheric chemistry |
Discrete measurements of trace gases in the atmosphere (alkanes, alkenes, halocarbons, DMS, etc.). | no |
GEOMAH | Marandino Christa A. | 15 | day(s) | M71 Atmospheric chemistry |
Measurement of sea-to-air fluxes of CO2, DMS and acetone. | no |
UIO | Kruger Kirstin | 6 | profiles | M71 Atmospheric chemistry |
Ozonesonde launches. | no |
IUPHD | Platt Ulrich | 15 | day(s) | M71 Atmospheric chemistry |
Measurement of IO, BrO and other atmospheric trace gases via MAX-DOAS, CE-DOAS. | no |
GEOMAH | Marandino Christa A. | 15 | day(s) | M90 Other meteorological measurements |
Measurement of meteorological variables such as turbulences for flux measurements. | no |
UIO | Kruger Kirstin | 15 | day(s) | M90 Other meteorological measurements |
Measurement of rain drops (amount and drop size), 2 radiometers. | no |