ClimaTea

2023 Mar 21

ClimaTea Seminar

12:00pm to 1:00pm

Location: 

MCZ 429

Speaker: Dr. Ichiro Fukumori, California Institute of Technology/Jet Propulsion Laboratory 

Title: "Deducing Causal Mechanisms of Sea Level Change in the Beaufort Sea"

Abstract: Over the last two decades, sea level across the arctic’s Beaufort Sea has been rising an order of magnitude faster than its global mean. This rapid regional sea level rise is mainly a halosteric change, reflecting an increase in freshwater content comparable to the Great Salinity...

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2023 Feb 24

ClimaTea Talk

12:00pm to 1:00pm

Location: 

MCZ 440

Speaker: Dr. Aaron Match, NSF Postdoctoral Research Fellow, New York University

Title: Revisiting the photochemistry of the ozone layer: structure, self-healing, and sensitivity to global warming

Abstract: We revisit three classic questions about ozone: 1) Why is the ozone layer in the stratosphere? 2) How does ozone self-healing work? 3) Why is ozone predicted to decrease in the tropical lower stratosphere under global warming? Conventional answers to these questions are common knowledge in textbooks...

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2022 Nov 30

ClimaTea Talk

12:00pm to 1:00pm

Location: 

MCZ 440

Speaker: Dr. Aditi Sheshadri from Stanford University

Title: Towards an improved understanding and representation of atmospheric gravity waves

Abstract: Atmospheric gravity waves (GWs) are ubiquitously excited on the Earth and are critical drivers of the atmospheric circulation, however, they present a challenge to climate prediction: waves on scales of 102-105m can neither be systematically measured with conventional observational systems, nor properly resolved in atmospheric models...

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2022 Nov 09

ClimaTea Talk

12:00pm to 1:00pm

Location: 

MCZ 429

Speaker: Dr. Eloise Marais from University College London

Title: Bridging knowledge gaps in atmospheric science: Investigation of reactive nitrogen in remote regions and climate impacts of the space industry.

Abstract: Shifting and burgeoning pollution sources continue to pose challenges in determining the evolving influence of humans on...

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2022 Sep 13

Special ClimaTea

12:00pm to 1:00pm

Location: 

HUCE seminar room MCZ 440

Speaker: Dr. Pedram Hassanzadeh from Rice University

Title: Learning Data-driven Subgrid-scale Models for Geophysical Turbulence: Stability, Extrapolation, and Interpretation

Abstract: The atmospheric and oceanic turbulent circulations involve a variety of nonlinearly interacting physical processes spanning a broad range of spatial and temporal scales. To make simulations of these turbulent flows...

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2022 Oct 13

Climate Seminar

12:00pm to 1:00pm

Location: 

HUCE seminar room MCZ 440

Speaker: Professor Reed M. Maxwell Princeton University

Title: “Hydrology in the supercomputing age: How computational advances have revolutionized our field, and what big data and massively parallel simulations mean for the future of hydrologic discovery”

Abstract: We are in the midst of a revolution in computing and data. In the past 50 years we have moved from electrical analog...

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2022 Feb 22

Special ClimaTea

12:00pm

Location: 

Faculty Lounge room 409 (Hoffman Lab)

Speaker: Prof. Joseph LaCasce from University of Oslo

Title: "Weakening of the Atlantic Meridional Overturning Circulation in an extreme climate"

Abstract: The Atlantic Meridional Overturning Circulation (AMOC) regulates the global transport of heat, freshwater, trace gases and nutrients in the Atlantic sector. Published proxy records and modeling studies, reviewed by the IPCC, are consistent with a weakening AMOC in the warming climate. We examine AMOC...

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2019 Feb 05

ClimaTea Journal Club

3:00pm

Location: 

HUCE Seminar Room MCZ 440

Speaker:  Professor Peter Huybers

Professor Huybers will host a discussion on a recent paper by Resplandy et al. (2018), "Quantification of ocean heat uptake from changes in atmospheric O2 and...

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2019 Feb 19

ClimaTea Journal Club

3:00pm

Location: 

HUCE Seminar Room MCZ 440

Speaker: Professor Eli Tziperman

Prof. Eli Tziperman will lead the discussion on the Millan et al 2018 paper "Vulnerability of Southeast Greenland Glaciers to Warm Atlantic Water From Operation IceBridge and Ocean Melting Greenland Data" (Paper).

Here's his description of the paper and its relevance: One of the most significant ocean...

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2019 Feb 26

ClimaTea Journal Club

12:00pm

Location: 

HUCE Seminar Room MCZ 440

Speaker:  Post Doctoral Fellow Lei Wang

Title: "Some thoughts on atmospheric blocking"

Abstract: Atmospheric blocking is an important process for both weather and climate, yet its first-order dynamics is still not well understood. The eddy straining mechanism of Shutts (1983) has been considered as the foundation to understanding the maintenance of blocks, which is consistent with the observation...

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2019 Mar 05

ClimaTea Journal Club

3:00pm

Location: 

HUCE Seminar Room MCZ 440

Speaker: Professor Dan Schrag

Prof. Dan Schrag will lead the discussion on the Schneider, Kaul, and Pressel (2019) paper titled Possible climate transitions from breakup of stratocumulus decks under greenhouse warming

During the disucssion, Prof. Schrag will lead us through the following:

This recent paper by Tapio Schneider presents a new idea for a cloud feedback that may amplify warming at higher CO2 concentrations.  If correct, it may have...

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