Oak trees in California seasonally tap moisture in unsaturated soil and weathered bedrock, even when the groundwater table is within reach of their roots.
trees
Trouet Receives 2019 Paleoceanography and Paleoclimatology Willi Dansgaard Award
Valerie Trouet received the 2019 Willi Dansgaard Award at AGU’s Fall Meeting 2019, held 9–13 December in San Francisco, Calif. The award is given in recognition of “high research impact, innovative interdisciplinary work, educational accomplishments, such as mentoring, or positive societal impact” and “exceptional promise for continued leadership in paleoceanography and paleoclimatology.”
How to Turn Our Cities Into Treetopias
We are and will continue to plant more street trees, urban groves and informal clusters of trees in our parks and green spaces. Treetopia has begun.
Trees Are Watching Us and Our Actions
Annual growth rings in trees tell us more than climate history; they can also document the rise and fall of human industrial activities.
Hurricanes Hit Puerto Rico’s Mangroves Harder Than Florida’s
The scale and pattern of damage to the Puerto Rican forests suggest a complex interplay between wind, land, and sea.
The Bigger They Are, the Harder They Fall
New research tracking 1.8 million trees found that tall trees died at more than twice the rate of smaller ones toward the end of extreme and persistent drought.
Cherry Blossoms’ Peak Bloom Is an Indicator of Climate Change
Projected peak bloom days are around the historic average this year, but experts say climate change is altering the long-term blooming schedule.
How Mesquite Trees Gain a Competitive Edge in Arid Arizona
A new study shows that mesquites employ hydraulic redistribution to move water between soil layers in the savannas of Santa Rita.
What Will Redwood Trees Do Without Foggy Days?
Coastal California fog—a key source of water for the iconic redwood tree—has declined by a third. Can a trace gas, carbonyl sulfide, be used to assess the effect on plant productivity?
Mossy Oaks Are Dripping with Organic Matter
Epiphyte-bearing trees leach carbon when it rains.