Central Coast will face more extremes, regional report of California's Fifth Climate Assessment finds
California's Central Coast is headed toward more climate extremes, with hotter days, stronger storms and more intense droughts.
Central Coast faces increasing climate extremes according to a new report from California's Fifth Climate Assessment. The Central Coast report, led by researchers at the University of California, Santa Cruz, examines how climate projections for the mid-21st century may impact the region's natural, built and social systems. The report highlights alarming trends such as hotter days, stronger storms, and more intense droughts.
Despite these projections, the report also notes an increase in climate change mitigation and adaptation measures.
The Central Coast, heavily dependent on groundwater, is particularly vulnerable to these climate changes. The assessment covers four main areas: climate, natural and working lands, built environments, and social science. It identifies a shift in weather patterns, with hotter summer and early fall months, shorter rainy seasons, and more intense precipitation bursts.
Temperatures are projected to rise significantly, with peak temperatures potentially exceeding 100°F (38°C) in some areas, posing severe public health risks and ecological threats.
The report also identifies water reliability as a critical vulnerability, with groundwater overpumping causing significant declines in water tables and increasing saltwater intrusion. Water utility costs are rising, disproportionately affecting vulnerable populations. Agriculture, a major economic driver in the region, faces challenges such as reduced crop yields, increased pest pressures, and soil degradation.
Local adaptation efforts include expanding recycled water use, stormwater capture, managed aquifer recharge, and demand management.
To address these challenges, UC Santa Cruz researchers developed CoSMoS Adapts, a tool that provides block-by-block visualizations of future flooding and erosion risks for coastal communities. The report emphasizes the importance of nature-based solutions, such as coastal storms adaptation and water conservation, in mitigating climate impacts.
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