Drought is the natural disaster that impacts the greatest number of people and produces the
most significant economic losses. This work presents a quantitative assessment of drought …

The geographical extent of Brazil exceeds 8.5 million km2 and encompasses a complex mix
of biomes and other environmental conditions. Multiple decision support tools are needed to …

The main objective of our study was to provide consistent information on land cover changes
between the years 1990 and 2010 for the Cerrado and Caatinga Brazilian seasonal biomes …

Approximately 57% of the Brazilian northeast region is recognized as semi-arid land and
has been undergoing intense land use processes in the last decades, which have resulted …

Drought is a natural and recurrent phenomenon. It is considered 'a natural
disaster'whenever it occurs in an intensive manner in highly populated regions, resulting in …

Drought is a complex natural phenomenon that can lead to reduced water supplies and can
consequently have substantial effects on agriculture and socioeconomic activities that cause …

Desertification is one of the major environmental problems that humanity faces today, since
it reduces the availability of ecosystem services, increases food insecurity and poverty, and …

Global climate predictions and possible environmental impacts have an increasing source of
concern in recent years. Analyses of the impacts of climate change scenarios on regional …

Abstract The Brazilian state of Pernambuco has approximately 88% of its territory located in
the semiarid region, suffering from the irregularities of precipitation and the phenomenon of …

The spatiotemporal diagnosis of climate variability and environmental changes in arid and
semiarid regions is essential to minimize pressures and impacts on natural ecosystems …