ocean sink

External Forcing Explains Recent Decadal Variability of the Ocean Carbon Sink

June 3, 2020

The ocean has absorbed the equivalent of 39% of industrial‐age fossil carbon emissions, significantly modulating the growth rate of atmospheric CO2 and its associated impacts on climate.

Brian Toon

Brian Toon selected for Graduate School’s outstanding 2019-20 mentor awards

May 12, 2020

The Graduate School is pleased to recognize our dedicated faculty members who received this year’s outstanding faculty mentor awards.

Gina JOzef

Arctic Research Soars to New Heights

May 11, 2020

Radiance Calmer holds the wide wings of a drone in place on its launcher, scanning the blue Boulder sky for potential obstacles.


The "I" in Microplastics

May 11, 2020

Remy Zimmerman (CU Major in Sociology with minors in ATOC and Communications) first learned about the Great Pacific Garbage Patch in Dr. Kris Karnauskas’ ATOC oceanography course.


Ocean acidification prediction now possible years in advance

May 1, 2020

CU Boulder researchers have developed a method that could enable scientists to accurately forecast ocean acidity up to five years in advance.


'Plowable' hail is a thing, and Colorado might have more of it than anywhere else

April 27, 2020

Hail accumulation can be a couple inches or a couple feet deep in Colorado.


Continued CO2 Emissions Will Impair Cognition

April 21, 2020

Rising CO2 causes more than a climate crisis—it may directly harm our ability to think


Going with the floe: tracking CESM Large Ensemble sea ice in the Arctic provides context for ship-based observations

April 21, 2020

In autumn 2019, a ship will be frozen into the Arctic sea ice for a year to study system changes. We analyze climate model data from a group of experiments and follow virtual sea ice floes throughout a year.


Insights from Earth system model initial-condition large ensembles and future prospects

April 15, 2020

Describes the utility of large ensembles of Earth system models.

weather map

Composite synoptic-scale environments conducive to North American polar–subtropical jet superposition events

April 15, 2020

A polar–subtropical jet superposition represents a dynamical and thermodynamic environment conducive to the production of high-impact weather.