Blain GC, Sobierajski Gd, Martins LL (2023). “The Powersdi: An R-Package for Implementing and Calculating the SPI and Spei Using Data from the Nasa-Power Project.” Social Science Research Network. doi:10.2139/ssrn.4442843, https://www.ssrn.com/abstract=4442843.
Blain GC, Sobierajski GR, Martins LL, Sparks AH (2024). PowerSDI: Calculate Standardised Drought Indices Using NASA POWER Data. R package version 1.0.0, https://github.com/gabrielblain/PowerSDI.
Corresponding BibTeX entries:
@Article{,
author = {Gabriel Constantino Blain and Graciela da Rocha
Sobierajski and LetÃcia Lopes Martins},
title = {The Powersdi: An R-Package for Implementing and
Calculating the SPI and Spei Using Data from the Nasa-Power
Project},
journal = {Social Science Research Network},
year = {2023},
doi = {10.2139/ssrn.4442843},
url = {https://www.ssrn.com/abstract=4442843},
}
@Manual{,
title = {{PowerSDI}: Calculate Standardised Drought Indices Using
NASA POWER Data},
author = {Gabriel Constantino Blain and Graciela R. Sobierajski and
Leticia L. Martins and Adam H. Sparks},
year = {2024},
note = {R package version 1.0.0},
url = {https://github.com/gabrielblain/PowerSDI},
}