Metocean Statistics by Artelia - StArt
Metocean Analysis, anywhere in the Pacific ocean, including cyclonic activity
StArt is a fully online service: we provide analysis at your request, in a matter of minutes.
Using simulations tailored for cyclonic events
StArt performs corrections on its metocean models, making them specially fit for cyclonics events.
State of the art cyclonic extreme analysis
StArt provides accurate extreme values analysis of wind and wave conditions, even over areas highly impacted by cyclones.
What is StArt ?
StArt provides through an online platform an easy access to Metocean Conditions gathering several statistics bespoke for companies harvesting Natural ressources & Energy from the Pacific Ocean.
StArt achieves accurate extreme analyses of wind and wave conditions even in locations subject to frequent cyclones/typhoons. This makes it a perfect fit for environmental impact assessment of deep-sea mining (oil and gas) operations, offshore wind farm development.
StArt combines numerical simulations and ocean observations (mostly from the Copernicus Marine Service) using a complex set of procedures to benefit from high-spec features of both specialties: the huge spatial (and temporal) coverage of numerical simulations and the high accuracy of mesurements.
How does it work ?
The StArt service works in 3 major steps:
- 1For its analysis, StArt pulls severals ocean models, such as:
- Physical conditions from the Global ocean 1/12° physics analysis and forecast updated daily (GLOBAL_ANALYSIS_FORECAST_PHY_001_024)
- Wind conditions from the ECMWF's ERA5 wind model
- 2StArt merges hurricanes wind fields -from the NOAA's international Best Track Archive For Climate Stewardship (IBTrACS) database- in its atmospheric forcing using the Holland's model, before running a tailored wave propagation model (Wave Watch III).Thanks to this process, StArt is able to precisely represent the metocean condition in the Pacific ocean.In order to provide the best possible accuracy, StArt compares those simulations with satellite observation datasets, such as:
- Sea surface wind observations from the Global Ocean Daily Gridded Sea Surface Winds from Scatterometer (WIND_GLO_WIND_L3_NRT_OBSERVATIONS_012_002)
- Sea state satellite observations from the Global ocean L3 significant wave height from NRT satellite measurements (WAVE_GLO_WAV_L3_SWH_NRT_OBSERVATIONS_014_00)
- 3Finally, StArt realizes handy representations of the corrected datasets including:
- Time series
- Monthy and annual mean/maximum/minimum of the main metocean parameters
- Joint probabilty distribution
- Occurences frequency of parameters
- Exceedances frequency of parameters
- Non-cyclonic extreme value analyse (wind speed and wave height)
- Cyclonic extreme value analyse (wind speed and wave height)
Access the service
- Fully online
- Possibility of covering the entire Pacific Ocean
- Accurately describes Cyclonic events
- Generates a full featured set of data visualisation statistics
19/11/20 - The service page is now accessible via the Artelia website : https://www.arteliagroup.com/fr/offre/nos-domaines-d-activite/maritime
StArt project will be directly linked to the Metocean Analytics (https://www.metocean-analytics.com)
A communication is proposed of the next SimHydro 2021 (16th-18th June) https://www.simhydro.org/ “Modelling cyclonic events in the pacific”