Skip to content

create ozone sonde measurements documentation #369

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
ElianeMaillardBarras wants to merge 1 commit into
base: main
Choose a base branch
from
Open

create ozone sonde measurements documentation #369

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 6 additions & 1 deletion docs/b-data-atmosphere/b5-ozone-measurements-profiles.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,12 @@
sidebar_position: 5
---

# Ozone measurements – Profiles (O3 radio soundings, SOMORA)
# Ozone measurements – Profiles (O3 soundings, SOMORA MWR, Dobson and Brewer Umkehr)
MeteoSwiss launches balloon-borne ozone sondes three times a week (12:00 UTC) from the sounding station in Payerne (PAY, 46.81°N, 6.94°E). The timeseries is one of the world's longest continuous vertical ozone profile records dating back to 1968.

The electrochemical concentration cell (ECC) ozone sonde from [EN-SCI](https://www.en-sci.com/ecc-ozonesonde/) measure the current produced by the red-ox reaction of ozone in a potassium iodide solution (0.5% KI in bromide buffer). The ozone partial pressure (in mPa) is calculated from the cell current, the air temperature, the pump flow rate and the conversion efficiency. A background current is characterized during the Standard Operation Procedure ([SOP](https://www.fz-juelich.de/en/ice/ice-3/scientific-infrastructure/asopos)) and subtracted from the in-flight measured current. ECC sondes are the international standard for vertical ozone profiling and provide measurements from the surface to ~30-35 km altitude with ~5% accuracy.

The ozone profiles measurement are essential for climate research and assessment of [ozone recovery](https://portal-cdn.scnat.ch/asset/ada969fa-0e8b-584a-bb54-09351504e952/Scientific-Assessment-of-Ozone-Depletion-2022-Executive-Summary%20%281%29.pdf?b=92b1b4c2-dd69-50a5-908e-bce08e9ea5d7&v=aa61c90c-a394-5c1c-8845-6aa45bdf8a4c_0&s=I05nHAAbyzH0_iDk3-m_2uQOVLU5_CDoK9IcXBv4YJ3deYA3pdSbRhu-xOkrgXH5Wc3qQ5MXQnRiGOcC7qyKahhCM-e58UY0-ZpAQyK5O2j6ZEgztqg7Cz2z0YE3-kz0rynqLl-ZgWJrnHME5qPuFc2xpsoNZAclVrlGO7wTOn4). The data are saved daily in the MeteoSwiss database, uploaded daily to the [NILU EVDC database](), uploaded monthly to the [NDACC DHF](https://www-air.larc.nasa.gov/missions/ndacc/data.html?station=payerne/ames/o3sonde/) and to the WMO [WOUDC](https://woudc.org/en/data/data-search-and-download) database.

:::warning

Expand Down