NH
Natural Hazards

Hydrology

Define and assess drought, the herculean challenge!

Define and assess drought, the herculean challenge!

The frequency and intensity of drought periods have increased since the 1950s over most land areas [1]. In fact, between 1998 and 2017, drought was the sixth natural hazard associated with disasters (4.8% of the total number of disasters) but the second in terms of the total number of affected people (33% of the total number of affected people), causing more than 21,000 deaths [2]. For example, in ...[Read More]

Tackling the leaks in the transport network with Maria Pregnolato

Tackling the leaks in the transport network with Maria Pregnolato

Transport networks are crucial to our lives, from commuting to work to reach health care facilities, from the transport of goods to leisure travelling. To quote Robin Chase, an American transport entrepreneur: “Transportation is […] the glue of our daily lives. When it goes well, we don’t see it. When it goes wrong, it negatively colours our day, makes us feel angry and impotent, curta ...[Read More]

Floods in the Anthropocene: the good, the bad and the ugly

Floods in the Anthropocene: the good, the bad and the ugly

The interplay between human societies and floods dates back to Old World civilizations. Floodplains have provided the potential for prosperous agriculture and for the development of organised communities and urban cultures. Contextually, flood events have caused millions of fatalities and invaluable economic losses throughout history. Over the past decades, human activities have increasingly alter ...[Read More]

Climate Change: is Viticulture under threat?

Climate Change:  is Viticulture under threat?

In the afternoon of August 29, 2020, an intense supercell, which is a thunderstorm characterized by the presence of a deep, persistently rotating updraft, affected the province of Verona in the north of Italy (Figure 1). It was not the first event of this kind; several other events, including tornado episodes, had already occurred during summer 2020. Here the video of the downburst recorded during ...[Read More]