How do irrigation district managers deal with climate change risks? Considering experiences, tipping points, and risk normalization in northern Italy

Ricart, Sandra; Gandolfi, Claudio; Castelletti, Andrea

doi:10.1016/j.crm.2024.100598

Climate Risk Management

2024

DOI: 10.1016/j.crm.2024.100598

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How do irrigation district managers deal with climate change risks? Considering experiences, tipping points, and risk normalization in northern Italy

Sandra Ricart,

Claudio Gandolfi,

Andrea Castelletti

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Land Cover and Spatial Distribution of Surface Water Loss Hotspots in Italy

Palazzoli,

Lelli,

Ceola

2024

Sustainability

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Increasing water withdrawals and changes in land cover/use are critically altering surface water bodies, often causing a noticeable reduction in their area. Such anthropogenic modification of surface waters needs to be thoroughly examined to recognize the dynamics through which humans affect the loss of surface water. By leveraging remotely-sensed data and employing a distance–decay model, we investigate the loss of surface water resources that occurred in Italy between 1984 and 2021 and explore its association with land cover change and potential human pressure. In particular, we first estimate the land cover conversion across locations experiencing surface water loss. Next, we identify and analytically model the influence of irrigated and built-up areas, which heavily rely on surface waters, on the spatial distribution of surface water losses across river basin districts and river basins in Italy. Our results reveal that surface water losses are mainly located in northern Italy, where they have been primarily replaced by cropland and vegetation. As expected, we find that surface water losses tend to be more concentrated in the proximity of both irrigated and built-up areas yet showing differences in their spatial occurrence and extent. These observed spatial patterns are well captured by our analytical model, which outlines the predominant role of irrigated areas, mainly across northern Italy and Sicily, and more dominant effects of built-up areas across the Apennines and in Sardinia. By highlighting land cover patterns following the loss of surface water and evaluating the relative distribution of surface water losses with respect to areas of human pressure, our analysis provides key information that could support water management and prevent future conditions of water scarcity due to unsustainable water exploitation.

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Land Cover and Spatial Distribution of Surface Water Loss Hotspots in Italy

Palazzoli,

Lelli,

Ceola

2024

Sustainability

View full text Add to dashboard Cite

show abstract

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How do irrigation district managers deal with climate change risks? Considering experiences, tipping points, and risk normalization in northern Italy

Cited by 1 publication

References 87 publications

Land Cover and Spatial Distribution of Surface Water Loss Hotspots in Italy

Land Cover and Spatial Distribution of Surface Water Loss Hotspots in Italy

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