Map: Changes in Drought Events in Brazil (1980-2024)

In SPIChanges: Improves the Interpretation of the Standardized Precipitation Index Under Changing Climate Conditions

Changes in Drought Events in Brazil (1980-2024)

Description

This dataset provides the changes (in percentage) in Moderate to Extreme, Severe to Extreme, and Extreme Drought events across Brazil for the four seasons (Summer, Autumn, Winter, and Spring) over the period 1980–2024. The data were generated using the SPIChanges() function applied to rainfall data from NOAA PSL.

Usage

Map

Format

Map

A matrix with 2841 rows and 18 columns:

lon

Longitude in decimal degrees

lat

Latitude in decimal degrees

SummerModerate

Percentage change in moderate drought events in Summer

SummerSevere

Percentage change in severe drought events in Summer

SummerExtreme

Percentage change in extreme drought events in Summer

SummerModel

The selected gamma-based model in Summer

AutumnModerate

Percentage change in moderate drought events in Autumn

AutumnSevere

Percentage change in severe drought events in Autumn

AutumnExtreme

Percentage change in extreme drought events in Autumn

AutumnModel

The selected gamma-based model in Autumn

WinterModerate

Percentage change in moderate drought events in Winter

WinterSevere

Percentage change in severe drought events in Winter

WinterExtreme

Percentage change in extreme drought events in Winter

WinterModel

The selected gamma-based model in Winter

SpringModerate

Percentage change in moderate drought events in Spring

SpringSevere

Percentage change in severe drought events in Spring

SpringExtreme

Percentage change in extreme drought events in Spring

SpringModel

The selected gamma-based model in Spring

...

Source

Generated using the SPIChanges() function applied to rainfall data obtained from NOAA PSL (https://psl.noaa.gov/).

SPIChanges documentation built on April 3, 2025, 7:08 p.m.