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Ocean Model Assessment for Everyone

Summary

An end-to-end workflow for assessing storm-driven water levels predicted by coastal ocean models will be discussed which uses OWSLib for CSW Catalog access, Iris for ocean model access and pyoos for Sensor Observation Service data access. Analysis and visualization is done with Pandas and Cartopy, and the entire workflow is shared as in IPython Notebook with custom environment in Wakari.

Description

To assess how well ocean models are performing, the model products need to be compared with data. Finding what models and data exist has historically been challenging because this information is held and distributed by numerous providers. Accessing data has been challenging because ocean models produce gigabytes or terabytes of information, is usually stored in scientific data formats like HDF or NetCDF, while ocean observations are often stored in scientific data formats or in databases.

To solve this problem, the Integrated Ocean Observing System (IOOS) has been building a distributed information system based on standard web services for discovery and access. IOOS is now embarking on a nationwide system-test using python to formulate queries, process responses, and analyze and visualize the data. An end-to-end (search-access-analyze-visualize) workflow for assessing storm-driven water levels predicted by coastal ocean models will be discussed, which uses OWSLib for OGC CSW service catalog access, Iris for ocean model access and pyoos (which wraps OWSLib) for Sensor Observation Service data access. Analysis and visualization is done with Pandas and Cartopy, and the entire end-to-end workflow is shared as in IPython Notebook with custom environment in Wakari.

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