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Cloud-Native Analysis of Integrated Vapor Transport and Atmospheric Rivers

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Type:	Resource
Storage:	The size of this resource is 206.9 KB
Created:	May 18, 2026 at 1:29 p.m. (UTC)
Last updated:	May 18, 2026 at 9:13 p.m. (UTC)
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Sharing Status:	Public
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Downloads:	9
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Abstract

This resource demonstrates a cloud-native workflow for accessing and analyzing Integrated Vapor Transport (IVT) data stored in HydroShare as a Zarr dataset. The notebook uses HydroShare’s S3-compatible access with xarray and Dask to stream data directly from cloud storage, avoiding the need to download the full dataset locally.

The example focuses on a 1970–2009 subset of CESM2 Large Ensemble historical simulation data near Bodega Bay, California, a region often affected by winter atmospheric rivers. The workflow subsets IVT data in space and time, identifies atmospheric river conditions using an IVT threshold of 250 kg m⁻¹ s⁻¹, assigns atmospheric river categories based on intensity and duration, and calculates an event-integrated IVT metric as a simple measure of event severity. The notebook also produces decadal summaries and maps of atmospheric river category and degree for the selected study area.

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Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Longitude

-123.1250°

Latitude

38.0000°

Temporal

Start Date:
End Date:

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Related Resources

This resource belongs to the following collections:

Title	Owners	Sharing Status	My Permission
2026 CIROH DevCon Workshop: Essential Geospatial Data and Coding Skills for CIROH Researchers	Abner Bogan · Danielle Tijerina-Kreuzer · Irene Garousi-Nejad · Anthony Castronova	Public & Shareable	Open Access

How to Cite

Bogan, A., D. Tijerina-Kreuzer, A. M. Castronova, I. Garousi-Nejad (2026). Cloud-Native Analysis of Integrated Vapor Transport and Atmospheric Rivers, HydroShare, http://www.hydroshare.org/resource/2f988ab840424c80804e5638062a30b6

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/

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