varunayan-package: varunayan: Download and Process 'ERA5', IMD, 'HadEX3' and...

In varunayan: Download and Process 'ERA5', IMD, 'HadEX3' and 'CRU TS' Data

varunayan: Download and Process 'ERA5', IMD, 'HadEX3' and 'CRU TS' Data

Description

Download climate data for a bounding box, polygon or point and return tidy tables. Sources are the 'ERA5' reanalysis (Hersbach et al. (2020) \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1002/qj.3803")}) from the 'Copernicus' Climate Data Store https://cds.climate.copernicus.eu/, India Meteorological Department (IMD) gridded rainfall and temperature (Pai et al. (2014) \Sexpr[results=rd]{tools:::Rd_expr_doi("10.54302/mausam.v65i1.851")}), 'HadEX3' climate extremes (Dunn et al. (2020) \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1029/2019JD032263")}) and 'CRU TS' (Harris et al. (2020) \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1038/s41597-020-0453-3")}). Computes heat stress indices, including wet-bulb globe temperature (Liljegren et al. (2008) \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1080/15459620802310770")}) and the Universal Thermal Climate Index (Bröde et al. (2012) \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1007/s00484-011-0454-1")}), and heatwave indicators, including the Excess Heat Factor (Nairn and Fawcett (2015) \Sexpr[results=rd]{tools:::Rd_expr_doi("10.3390/ijerph120100227")}).

Author(s)

Maintainer: Saket Choudhary [e-mail] (ORCID) [copyright holder]

Authors:

• Saket Choudhary [e-mail] (ORCID) [copyright holder]

• Darakhshan Nehal

Other contributors:

• James C. Liljegren (Author of the original WBGT C code) [contributor]

• UChicago Argonne, LLC (Copyright holder of the original WBGT C code) [copyright holder]

See Also

Useful links:

• https://varunayan.saketlab.org/R/

• https://github.com/saketlab/varunayan

• Report bugs at https://github.com/saketlab/varunayan/issues

varunayan documentation built on Oct. 30, 2026, 1:07 a.m.