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Displaying 4 of about 4 resultsAs Costa Rica forms part of Central America, it is highly vulnerable to disasters. These tend to have a bigger impact in rural areas, where they cause considerable damage and losses to agricultural production systems. Animal production is strategically important for the country, a dominant activity in rural areas and an important source of employment. I…
Brazil is not an exception to the increasing frequency and intensity of droughts in several countries. However, assessing the spatial and temporal identification of drought episodes is an extremely complex process. Drought indices are particularly useful for characterizing water deficit, as well as for monitoring the impact of climate variability o…
Volcanic ash is an excellent archetype of an ‘extensive hazard’. Ash fall occurs frequently and intermittently during volcanic eruptions, and populations in close proximity to persistently-active volcanoes report ash impacts and distribution that have complex spatial patterns. This is reflected in high-resolution modelling of ash dispersion that integra…
The high risk emanating from the increasing number of cyber attacks on critical infrastructure systems at national or local level is only now beginning to be understood. The cascading effect of that risk beyond the system under attack into allied and interconnected fields can be even more devastating, creating chaos to major economic, food and health sy…