SPIDataset {SPIGA} | R Documentation |
The data set for illustratrating the functions of the SPIGA package
Description
The set used, data are monthly rainfall (1981-2015) and the dimensionless parameters to calculate the SPI drought.
Usage
data(Pm_Pisco)
data(alphaGA_SPI3)
data(betaGA_SPI3)
Format
Pm_Pisco
dataframe with:
- YEAR
monthly precipitation totals, in mm.
- MONTH
monthly precipitation totals, in mm.
- P1
monthly precipitation totals st-1, in mm.
- P2
monthly precipitation totals st-2, in mm.
- ...
monthly precipitation totals st-n, in mm.
alphaGA_SPI3
dataset: monthly alpha parameter.
- mon
month analysis
- st-1
monthly alpha parameter station 1
- st-2
monthly alpha parameter station 2
- st-n
monthly alpha parameter station n
betaGA_SPI3
dataset: monthly beta parameter.
- mon
month analysis
- st-1
monthly beta parameter station 1
- st-2
monthly beta parameter station 2
- st-n
monthly beta parameter station n
Author(s)
Iván Arturo Ayala Bizarro <ivan.ayala@unh.edu.pe>
Jessica Zúñiga Mendoza <zumeje@gmail.com>
Source
The Pm_Pisco
data were obtained from the Peruvian Interpolation data of the SENAMHI's Climatological and Hidrological Observations, SENAMHI-PERU. http://peruclima.pe/.
References
McKee, Thomas B. and Doesken, Nolan J. and Kleist, John. 1993. The relationship of Drought Frequency and Duration to Time Scales. Eighth Conference on Applied Climatology
A. Belauneh and J. Adamowski. Standard Precipitation Index Drought Forecasting Using Neural Networks, Wavelet Neural Networks, and Support Vector Regression. Applied Computational Intelligence and Soft Computing, http://dx.doi.org/10.1155/2012/794061
Examples
data(Pm_Pisco)
names(Pm_Pisco)
summary(Pm_Pisco)
data(alphaGA_SPI3)
names(alphaGA_SPI3)
summary(alphaGA_SPI3)
data(betaGA_SPI3)
names(betaGA_SPI3)
summary(betaGA_SPI3)