This dataverse provides

  • a global database of water vapor atmospheric rivers (ARs) based on multiple reanalysis products;
  • a global database of aerosol ARs based on the MERRA-2 reanalysis;
  • the AR detection code; and
  • codes for a suite of AR model evaluation metrics.

Water vapor AR detection is based on the tARget algorithm originally introduced in Guan and Waliser (2015, JGR; Version 1), refined in Guan et al. (2018, JHM; Version 2), enhanced in Guan and Waliser (2019, JGR; Version 3) with tracking capability, and further refined in Guan and Waliser (2024, Sci. Data; Version 4) to better handle "zonal" ARs as well as ARs in tropical and polar areas.

Aerosol AR detection is largely based on the tARget algorithm originally introduced in Guan and Waliser (2015, JGR; Version 1) for water vapor ARs, with a few modifications as described in Chakraborty et al. (2021, GRL) and Chakraborty et al. (2022, ACP).

For a list of studies using the AR data or the AR detection algorithm/code from this dataverse, see here.

Latest version of the AR data/code:

AR data and code were developed with support from NASA and the California Department of Water Resources, and are provided here in consistency with the communities' and NASA’s interest in open-source science.

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1 to 10 of 10 Results
May 18, 2024
GUAN, BIN, 2024, "[Data] Global Atmospheric Rivers Database, Version 4", https://doi.org/10.25346/S6/ZSW7UN, UCLA Dataverse, V4
[Data] Global Atmospheric Rivers Database, Version 4
May 5, 2024
GUAN, BIN, 2024, "[Code] Tracking Atmospheric Rivers Globally as Elongated Targets (tARget), Version 4", https://doi.org/10.25346/S6/SF4AFW, UCLA Dataverse, V2
[Code] Tracking Atmospheric Rivers Globally as Elongated Targets (tARget), Version 4
Mar 21, 2024
GUAN, BIN, 2022, "[Data] Global Atmospheric Rivers Database, Version 3", https://doi.org/10.25346/S6/YO15ON, UCLA Dataverse, V4
[Data] Tracking Atmospheric Rivers Globally as Elongated Targets (tARget), Version 3
Jun 2, 2023
GUAN, BIN, 2021, "[Code] Tracking Atmospheric Rivers Globally as Elongated Targets (tARget), Version 3", https://doi.org/10.25346/S6/B89KXF, UCLA Dataverse, V4
[Code] Tracking Atmospheric Rivers Globally as Elongated Targets (tARget), Version 3
Jun 2, 2023
GUAN, BIN, 2021, "[Code] Tracking Atmospheric Rivers Globally as Elongated Targets (tARget), Version 2", https://doi.org/10.25346/S6/PSP5N0, UCLA Dataverse, V3
[Code] Tracking Atmospheric Rivers Globally as Elongated Targets (tARget), Version 2
Feb 10, 2023
GUAN, BIN, 2023, "[Data] Global Atmospheric River Scale Database", https://doi.org/10.25346/S6/MQRHJE, UCLA Dataverse, V1
[Data] Global Atmospheric River Scale Database
Oct 26, 2022
GUAN, BIN, 2022, "[Code] AR Model Evaluation Metrics", https://doi.org/10.25346/S6/SLC2DG, UCLA Dataverse, V8
[Code] AR Model Evaluation Metrics
Oct 25, 2022 - Aerosol Atmospheric Rivers
CHAKRABORTY, SUDIP, 2022, "[Data] Global Aerosol Atmospheric Rivers Database, Version 1", https://doi.org/10.25346/S6/CXO9PD, UCLA Dataverse, V3
[Data] Aerosol Atmospheric Rivers, Version 1
Jan 5, 2022
GUAN, BIN, 2021, "[Code] Tracking Atmospheric Rivers Globally as Elongated Targets (tARget), Version 1", https://doi.org/10.25346/S6/SJGRKY, UCLA Dataverse, V3
[Code] Tracking Atmospheric Rivers Globally as Elongated Targets (tARget), Version 1
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