Welcome!

In response to the ongoing pandemic, all colloquia for the Fall 2022 semester will be held in-person and virtually over Zoom. Please refer to this page for the most updated schedule and information regarding presentation format.


About the ATOC Colloquium

The Department of Atmospheric and Oceanic Sciences Colloquium will be held approximately every other Friday from 11:00 AM–Noon. Come early for coffee starting at 10:45 AM, and stay after for discussions during lunch. Lunch will be offered as university and local guidelines permit.

Colloquia will alternate between the following two formats:

A. Full-length talk by a faculty member or invited speaker

B. Three conference-length talks by graduate students or post-docs

If you would like to nominate a speaker (including yourself), please email the Chair of the ATOC Colloquium Committee, Prof. Andrew Winters.


Upcoming Schedule

Fall 2022

Date Format Room Speaker(s) Title & Abstract Zoom Info Lunch Offered?

Friday

09/02/2022

11am MT

A SEEC S228 Kris Karnauskas (ATOC/CIRES)

Upwelling and Equatorial Islands: Old Theories and the Ocean Data Revolution

Recording: Link

Passcode: G$UWBHW2

Yes

Friday

09/16/2022

11am MT

B SEEC S228

Lucas Howard (ATOC)

 

Jonah Shaw (ATOC/CIRES)

 

Margaret Duffy (NCAR/ASP)

A Hybrid Data Assimilation Method Using a Convolutional Neural Network and the Ensemble Kalman Filter

Emerging Changes in Arctic Outgoing Longwave Radiation

The Influences of Atmospheric Parameters and SST Warming Pattern on Radiative Feedbacks in CAM6

Recording: Link

Passcode: x8B5%8eQ

Yes

Friday

09/30/2022

11am MT

A SEEC S228 Hansi Singh (Univ. of Victoria)

Modeling Hierarchies and Data-Driven Methods in Coupled Climate Dynamics: Understanding Regional Sensitivity, Global Teleconnections, and their Interplay

Zoom: Link

Passcode: ATOC

Yes

Friday

10/14/2022

11am MT

B SEEC S228

Rebecca Baiman (ATOC)

 

Hristo Chipilski (NCAR/ASP)

 

Carlos Martinez (NCAR/ASP)

 

TBA

TBA

Yes

Friday

10/28/2022

11am MT

A SEEC S228

Alia Khan (Western Washington Univ.)

TBA

TBA

Yes

Friday

11/11/2022

11am MT

B SEEC S228

Erin Guderian (ATOC)

 

Timothy Higgins (ATOC)

 

Monica Morrison (NCAR/ASP)

TBA

TBA

Yes

Friday

12/09/2022

TBD

A SEEC C120

ESSS Student Poster Conference

TBA

TBA

Yes

 


 

Past colloquia

Spring 2022

Date Format Room Speaker(s) Title & Abstract Zoom Info Lunch Offered?

Friday

01/21/2022

11am MT

A Zoom Only Sebastian Schmidt (ATOC)

Clouds, Photons, and New Missions to Earth – a Glimpse into Atmospheric Radiation Science at ATOC and LASP

Recording: Link

Passcode: +*hO6xX6

No

Friday

02/04/2022

11am MT

B SEEC S228

Mikell Warms (ATOC)

Megan Thompson-Munson (ATOC)

Chris Wyburn-Powell (ATOC/INSTAAR)

Distribution of Snowfall in the Payette Mountains based on a High-Resolution Model: Implications for Cloud Seeding

Observed and Modeled Firn Properties on the Greenland Ice Sheet

Understanding Simulated and Observed Internal Variability in Arctic Sea Ice

Recording: Link

Passcode: R7#zbh.f

Yes

Friday

02/18/2022

11am MT

A SEEC S372A/B Melissa Breeden (CIRES/NOAA/PSD/CSD)

Exploring Seasonal Changes in 2-meter Temperature Forecasts of Opportunity over North America

Zoom: Link

Passcode: 4UA3?Wad

Yes

Friday

03/04/2022

11am MT

B SEEC S228

Jeremy Klavans (ATOC)

Devon Dunmire (ATOC)

 

Is the Pacific Decadal Oscillation Externally Forced?

The Juneau Icefield Research Program Experience

Zoom: Link

Passcode: *6irfw5N

Yes

Friday

03/11/2022

11am MT

A SEEC S228

Nicola Bodini (NREL)

How Can We Leverage Machine Learning in the Wind Energy Sector?

Zoom: Link

Passcode: 1g++xwf@

Yes

Friday

04/08/2022

11am MT

A SEEC S228 Yassir Eddebbar (Scripps) Ocean Oxygen Dynamics and Variability Across Scales: Insights from an Earth System Model

Recording Unavailable per Speaker Request

Grad Students Only

Friday

04/22/2022

11am MT

B SEEC S228

Mckenzie Dice (ATOC)

Sam Mogen (ATOC)

Andrew Buggee (ATOC)

Assessing Physical Relationships Between Atmospheric State, Fluxes, and Boundary Layer Stability at McMurdo Station, Antarctica

Ocean biogeochemical signatures of the North Pacific Blob

Estimating Vertical Profiles of Cloud Microphysical Properties from Space

Zoom: Link

Passcode: 4ExY7c&5

Yes

Fall 2021

Date Format Room Speaker(s) Title & Abstract Zoom Info Lunch Offered?

Friday

09/03/2021

11am MT

JESS-ATOC SEEC S228 Maria Molina (NCAR) Robustness of Deep Learning in a Changing Climate

Recording: Link

Passcode: $emV1Lg#

Yes

Friday

09/17/2021

11am MT

B SEEC N128

Yiming Guo (NC State)

Lei Zhang (ATOC)

Jed Lenetsky (ATOC/INSTAAR)

Mesoscale Air-Sea Interaction and Eddy Potential Energy Budget: Is it Important?

Indian Ocean Dipole Leads to Atlantic Niño

The Bering Strait and Seasonal Sea Ice Prediction

Recording: Link

Passcode: z06Q?8aK

Yes

Friday

10/01/2021

11am MT

A SEEC S228 Benét Duncan (CIRES) Science for What? Developing Usable Climate Science for Decision Makers

Recording: Link 

Passcode: sr.?4@TK

Yes

Monday

10/04/2021

12pm MT

JESS-INSTAAR Zoom Aradhna Tripati (UCLA) Carbonate Clumped Isotope Geochemistry as an Applied Tool in Paleoclimate, within an Inclusive Science Framework N/A N/A

Friday

10/15/2021

11am MT

B SEEC S228

Eric Keenan (ATOC)

 

Nicola Maher (ATOC/CIRES)

 

Danni Du (ATOC)

Detailed snow modeling reveals dynamic drivers of Antarctic mass loss

Modulation of ENSO teleconnections over North America by Pacific decadal variability

Examination of the impact of ocean subsurface data assimilation on MJO forecasts over the Maritime Continent

Recordng: Link    

Passcode: uZXhKj0^

Yes

Friday

10/29/2021

11am MT

A SEEC S228 Gustavo Marques (NCAR) Improving the representation of oceanic processes in NCAR's next-generation climate model

Zoom: Link

Passcode: w5Q8G#dN

Yes

Friday

11/05/2021

3:30pm MT

JESS-GEOG GUGG 205 Karen Bailey (CU/ENVS) Climate Change, Social Capital and Sustainable Livelihoods in Conservation Landscapes Zoom: Link N/A

Friday 

11/12/2021

11am MT

A SEEC S228

Sara Sanchez (ATOC)

Pacific-Paleo Climate Variability

Recording Not Publicly Available

Yes

Friday

12/03/2021

11am MT

A C120 ATOC Student Poster Conference TBA TBA Yes

Spring 2021

Date Format Room Speaker(s) Title & Abstract Zoom Info

Friday

01/15/2021

*1pm MT*

JESS –ATOC Zoom Solomon Bililign (NCAT)

Optical Properties and Emission Factors of Biomass Burning Aerosols from Sub-Saharan Africa Biomass Fuels

Recording: link  

Passcode: &Bsgb6Q+

Friday

02/05/2021

12pm MT

JESS – GEOG Zoom Reza Khatami (U. Florida) Characterizing Land Cover and Vegetation Dynamics using Earth Observation Systems

Recording: link 

 

Friday

02/19/2021

11am MT

A Zoom Sara Sanchez (ATOC) Reconstructing the ENSO Response to the Mystery and Tambora Eruptions with Coral Based Data Assimilation

Recording: Link  

Passcode: aq#.1Mc?

Friday

03/05/2021

11am MT

A Zoom

Gerald Meehl (NCAR)

Initialized Earth System Prediction from Subseasonal to Decadal Timescales

Recording: Link 

Passcode: ^t6BG=KG

Monday

03/15/2021

12pm MT

JESS – INSTAAR Zoom Aisha Morris (NSF) Creating a Culture of Inclusion for Building a Strong Geoscience Community

Canceled due to Snow Day

Friday

03/19/2021

11am MT

B Zoom ATOC Student "Poster" Conference Program

Recording: Link

Passcode: MSm6$&xA

Friday

04/02/2021

11am MT

A Zoom

Nicole Schlegel (JPL)

Models and Data: A Critical Relationship for Constraining Uncertainty in Ice-Sheet Model Projections

Recording: Link

Passcode: G@6xicrQ

Wednesday

04/14/2021

4pm MT

JESS – GEOL Zoom Paula Welander (Stanford) Synthesis of Sponge Sterol Lipid Fossils: Who Makes What and Why Does it Matter?

Zoom: https://cuboulder.zoom.us/j/7420931141

Passcode: geotalk

Fall 2020

Date Format Room Speaker(s) Title & Abstract Zoom Info

Friday

09/04/2020

11am MT

JESS –ATOC Zoom Curtis Walker (NCAR) Surface Transportation Meteorology: Weather Decision Support

https://cuboulder.zoom.us/j/96781229960

Meeting ID: 967 8122 9960

Passcode: weather

Friday

09/18/2020

11am MT

A Zoom Gina Jozef (ATOC) and Jonathan Hamilton (Aerospace Engineering) Unmanned Aircraft Operations and Day-to-Day Life on MOSAiC: Legs 3 and 4

https://cuboulder.zoom.us/j/94802889201

Meeting ID: 948 0288 9201

passcode: mosaic

Monday

10/05/2020

12pm MT

JESS – INSTAAR Zoom Raymond Najjar (Penn State) Regional and Global Views of Carbon Cycling in Coastal Waters

https://cuboulder.zoom.us/j/91413222798

Meeting ID: 914 1322 2798

Password: #INSTAAR#

Friday

10/16/2020

11am MT

B Zoom

Hannah Zanowski (ATOC/INSTAAR)

Dillon Amaya (ATOC/CIRES)

Jen Kay (ATOC/CIRES)

Arctic Freshwater Storage and Export in CMIP6 Models

Are Long-Term Changes in Mixed Layer Depth Influencing North Pacific Marine Heatwaves?

Quantifying the Influence of Cloud Radiative Feedbacks on Arctic Surface Warming using Cloud Locking in an Earth System Model

Recording: Link 

Friday

10/30/2020

11am MT

A Zoom Peter Pilewskie (ATOC) Libera: Continuity of Earth's Radiation Budget Climate Data Record

https://cuboulder.zoom.us/j/99802151033

Meeting ID: 998 0215 1033

Passcode: radiation

Wednesday

11/04/2020

4:10pm MT

JESS – GEOL Zoom Jabrane Labidi (IPGP) Hydrothermal 15N15N Abundances: Deception and Clarity on the Origins of Planetary Nitrogen

https://cuboulder.zoom.us/j/7420931141

Meeting ID: 742 093 1141

Passcode: geotalk

Friday

11/13/2020

11am MT

n/a Zoom

ATOC Fest

 

https://cuboulder.zoom.us/j/91532184467 

Meeting ID: 915 3218 4467

Passcode: FEST

Friday

12/04/2020

12pm MT

JESS – GEOG Zoom Lani Tsinnajinnie (U. New Mexico) Collaborative Hydrologic Research on the Navajo Nation: Investigating the Role of Mountainous Springs in Watershed Resilience https://youtu.be/6Q25zjV5tpk

Spring 2020

Date Format Room Speaker(s) Title & Abstract

01/24/2020

A SEEC S228 James Brasseur (ASEN/CU) The surprising transition in atmospheric boundary layer turbulence structure from neutral stability to the development of large-scale atmospheric rolls
02/07/2020 B SEEC S228

Connor Nelson

Nander Wever

Cenlin He (NCAR)

Observations of environments supporting moist convective initiation during RELAMPAGO-CACTI

Snow modelling in polar regions

Enhanced snow absorption and albedo reduction by dust-snow internal mixing: modeling and parameterization

02/28/2020 A SEEC S228 Marika Holland (NCAR) Perspectives on predicting Arctic sea ice from seasons to centuries
03/06/2020 A SEEC S228

Rochelle Worsnop (NOAA)

Use of statistical post-processing to improve extended-range fire-weather forecasts
03/20/2020 B SEEC S228

Canceled

Canceled

04/10/2020 A SEEC S228

Canceled

Canceled

04/24/2020 B SEEC S228

Canceled

Canceled

Fall 2019

Date Format Room Speaker(s) Title & Abstract

09/06/2019

A SEEL 303 Jeffrey Weiss (CU Boulder)

Climate oscillations and non-equilibrium physics

09/20/2019 B SEEC S372A/A

Matt Cann

 

Matt Gentry

 

Elina Valkonen

The Role of Moisture Pathways on Snowfall Amount and Distribution in the Southwest Central Mountains of Idaho

Considering the Influence of Clouds on Ocean Carbon Uptake

A Novel Intensity Metric for Arctic Cyclones – A Comparison with the more Traditional Metrics

10/04/2019 A SEEL 303 Cathy Smith (NOAA) NOAA/ESRL PSD Web-Based Weather and Climate Analysis Tools
10/18/2019 B SEEL 303

Nick Luchetti

Tessa Gorte

Abigail Smith

Evaluating Gust Front Characteristics Near Complex Terrain

Scoring Antarctic Surface Mass Balance in Climate Models to Refine Future Projections

Seasonal Transitions of Arctic Sea Ice over the Satellite Era

11/01/2019 A SEEL 303 Brooke Anderson (CSU) Hurricanes and Health: The Association between Cardiorespiratory Medicare Hospitalizations and Tropical Cyclone Exposure
11/15/2019 B SEEL 303 Kristen Aponte / Carolyn Brinkworth (UCAR)

Diversity, Equity, and Inclusion Efforts at the University Corporation for Atmospheric Research (UCAR)

12/06/2019 - SEEC C120 ESSS Poster Conference

 

Spring 2019

Date Format Room Speaker(s) Title & Abstract

01/24/2019

A SEEC S228 (Sievers) Elizabeth Barnes (CSU) Causal pathways driving sub-seasonal jet-stream variability
02/07/2019 B SEEC S228 (Sievers) Nicola Bodini, Devon Dunmire, Jessica Tomaszewski

Towards a better understanding of turbulence dissipation rate (Bodini)

In situ and remote observations of a subsurface lake collapse in East Antarctica (Dunmire)

Quantifying wake impacts on downwind wind farms using the WRF Wind Farm Parameterization (Tomaszewski)

02/22/2019 A SEEC 372 A/B George Kiladis (NOAA) Skill and Impact of Tropical Variability in Two Operational  Weather Prediction Models
03/08/2019 A SEEC S228 (Sievers) Tristan L'Ecuyer (UW-Madison) PREFIRE: Filling a Startling Gap in Polar Climate Observation
03/22/2019 A SEEC S228 (Sievers) Karen Kosiba (CSWR)  43°N to 34°S: 77 degrees of weather
04/12/2019 B SEEC S228 (Sievers) Ren Smith, Kang Yang, Ryan Harp

The Role of Radiation in Tropical Cyclogenesis (Smith)

Northern Hemisphere Upper Troposphere “Dust Belt” from Improved CALIPSO Lidar Observations (Wang)

Projecting Future Temperature-Driven Changes in Crime (Harp)

04/26/2019 A SEEC S228 (Sievers) Brian O'Neill (University of Denver) Does half a degree of global warming matter? Results from the BRACE1.5 study

 

Fall 2018

Date Format Speaker(s) Title
09/07/2018 A* Cora Randall & Brian Toon (CU Boulder)

Clouds on the Edge of Space: Insight from the NASA Aeronomy of Ice in the Mesosphere (AIM) Mission (Randall)

The environmental impacts of nuclear war are far more damaging than the explosions and could kill 90% of the Earth's population (Toon)

09/21/2018 B Ariel Morrison, Jason West, Steffen Mauceri

Observed and Simulated Cloud Response to Arctic Sea Ice Loss from CALIPSO and CESM1 (Morrison)

The Role of Oceanic Processes in the Initiation of Indian Summer Monsoon Intraseasonal Oscillations over the Indian Ocean (West)

Aerosol Retrieval from Hyperspectral Imagery over India (Mauceri)

10/05/2018 A Nikki Lovenduski (CU Boulder)

A Change in the Forecast: Ocean Biogeochemistry over the Next Decade

10/19/2018 B Vineel Yettella, Bobby Wallace, Lynn Montgomery

An ensemble covariance framework for quantifying forced climate variability and its time of emergence (Yetella)

Hidden Water: Investigating a firn aquifer in Southeast Greenland (Montgomery)

Deep Hail Accumulations: How can we identify storms that produce the largest threat?  (Wallace)

11/02/2018 A Dan McGrath (CSU) How much is really out there? Forays into measuring snow accumulation on glaciers and implications for glacier mass balance

11/16/2018

(Room change: SEEL303)

B Riley Brady, Guo Lin, Maaike Izeboud

On the role of climate modes in modulating the air-sea CO2 fluxes in Eastern Boundary Upwelling Systems (Brady)

Interactions Between a Nocturnal MCS and the Stable Boundary Layer, as Observed by an Airborne Compact Raman Lidar During PECAN (Lin)

Response of Greenland Ice Sheet firn to cloud radiative forcing (Izeboud)

11/30/2018   ESSS Poster Conference TBD

* The inaugural colloquium was given by two faculty members.