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Bottomstress in the Baltic Proper 1999-2000

SND-ID: ECDS 0100

This data description and associated data have been migrated from the ECDS portal to SND’s research data catalogue. The level of documentation may therefore differ from other data descriptions in the catalogue. For more information about the migration of data from ECDS to SND click here.

Creator/Principal investigator(s)

Anette Jönsson - SMHI - Swedish Meteorological and Hydrological Institute

Description

Calculations of bottom friction velocity due to waves for five different particle sizes. Wave data are modelled with HYPAS, a second generation spectral wave model (Günther, Rosenthal, 1995). HYPAS is forced by MESAN (Häggmark et al. 2000). Ice is not included in the calculation. Used equations can be found in Danielsson et al (2007) Resuspension patterns in the Baltic Proper. Journal of Sea Research, 57, 257-269.

Notes: HYPAS wave model is used for wave data. SMHI set up is used and it is forced by MESAN data. The modelled winds are known to be slightly underestimated why the wave field might be the same. Ice is not included, which gives that the waves are exagerrated in times when there are ice.

Language

English

Research principal, contributors, and funding

Research principal

SMHI - Swedish Meteorological and Hydrological Institute

Protection and ethical review

Data contains personal data

No

Method and time period

Time period(s) investigated

1999 – 2000

Geographic coverage

Geographic spread

Geographic location: Baltic Sea

Topic and keywords

Research area

Oceanography, Hydrology and Water Resources (The Swedish standard of fields of research 2011)
Oceans (INSPIRE topic categories)

Keywords

ocean waves, oceanography, sea regions

Publications

Å Danielsson, A Jönsson & L Rahm (2007) Resuspension patterns in the Baltic Proper. Journal of Sea Research, 57, 257-269

If you have published anything based on these data, please notify us with a reference to your publication(s). If you are responsible for the catalogue entry, you can update the metadata/data description in DORIS.

Dataset
Bottomstress in the Baltic Proper 1999-2000

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Description

The dataset variables are:
Um - maximum orbital velocity at the bottom
Us006 - is the Shields parameter (non-dimensionalized bottom stress) for grain size diameter 0.06 mm
Us025 - Shields parameter for grain size diameter 0.25 mm
Us050 - Shields parameter for grain size diameter 0.50 mm
Us100 - Shields parameter for grain size diameter 1.00 mm
Us200 - Shields parameter for grain size diameter 2.00 mm

The Shields parameter used is presented in Eq 6 in Jönsson, A (2006) A model study of suspende

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Version 1.0

Citation

Anette Jönsson. SMHI - Swedish Meteorological and Hydrological Institute (2019). Bottomstress in the Baltic Proper 1999-2000. Swedish National Data Service. Version 1.0. https://doi.org/10.5879/88g2-ng30

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Data format / data structure

Numeric

Other

Creator/Principal investigator(s)

Anette Jönsson - SMHI - Swedish Meteorological and Hydrological Institute

License

Creative Commons Attribution 4.0 International (CC BY 4.0)
Published: 2019-03-19