Since the mid-20th century, increased urbanization along the southern California coast has raised nighttime temperatures, resulting in less morning fog and cloud cover.
California
Posted inResearch Spotlights
California's 2012–2014 Drought Unusual for Last Millennium
Soil moisture estimates, inferred from thousands of tree rings spanning the past 12 centuries, highlight the severity of the recent record-breaking drought.
Posted inNews
Satellites Show True Extent of California Drought
Since 2011, California’s water supply has lost 4 trillion gallons per year and the Sierra Nevada snowpack has hit record lows.
Posted inResearch Spotlights
River Slope Connects Modern Topography with Ancient Tectonics
Scientists create models to help them figure out how the slope of a river can record ancient tectonic activity.
Posted inScience Updates
Reducing Rockfall Risk in Yosemite National Park
Rockfalls from steep cliffs pose great hazards to the millions who visit Yosemite Valley each year. Armed with new studies, the National Park Service recently took steps to enhance visitors’ safety.