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NCAR GV taking off from Guam airport, 19 Jan 2014, for Research Flight 4 of the NSF CONTRAST field campaign

I presently supervise the research of 6 graduate students.  Here is a list of these students and their current research focus:

Dan Anderson (co-supervised with Russ Dickerson): influence of pollution and stratospheric cutoffs on composition of the Tropical Western Pacific.

Linda Hembeck: representation of ozone photochemical mechanism within air quality models.

Austin Hope: anthropogenic influence on global climate

Maggie Marvin (co-supervised with Glenn Wolfe): the production of HCHO (formaldehyde) upon oxidation of C5H8 (isoprene)

Julie Nicely: processes that control global, tropospheric hydroxyl radical.

Pamela Wales: the supply of atmospheric bromine from tropical biological processes

University of Maryland PhD Dissertation Final Defense Committees on which I have served

The final defense marks an indelible day in the life of an academic.  The dissertation research is presented in a public seminar; anyone attending can ask questions.  Typically (each dept has specific rules), following the public presentation, the student meets privately with their dissertation committee.  At this time more questions are asked.  The committee then meets in private and decides whether to accept the dissertation as submitted, to request changes that can range from minor to major and may or may not require a re-evaluation of the document, etc.  More often than not, the student is deemed to be a "Doctor of Philosophy (PhD)" at this meeting, and is greeted as "Dr." for the first time by their committee.  Following this meeting, most students get to return to a normal sleep cycle for the first time in many months, then are left to grapple with the question "what next?".

 

Note to reader: list below needs some updating; I will take care of this as soon as possible

 

2012:

Hao He

Air Pollutant Concentrations and Trends over the Eastern U.S. and China: Aircraft Measurements and Numerical Simulations

 

Primary adviser: Russ Dickerson

2011:

Elena Yegorova

An Evaluation of a Severe Smog Episode in the Eastern U.S. using Regional Modeling and Satellite Measurements

Primary advisers: Dale Allen and Russ Dickerson

Steven Greybush

Mars Weather and Predictability: Modeling and Ensemble Data Assimilation of Spacecraft Observations

Primary adviser: Eugenia Kalnay

2010:

Dan Barrie

On the Interaction of Wind Energy with Climate and Energy

Click here to see Dan's PhD defense presentation

Primary adviser: Dan Kirk-Davidoff

2009:

Ji-Sun Kang

Carbon Cycle Data Assimilation Using A Coupled Atmosphere-Vegetation Model and the Local Kalman Filter

Click here to see Ji-Sung's PhD defense presentation

Primary adviser: Eugenia Kalnay

Ninghai Sun

Retrieval of Ice Cloud Parameters Using DMSP Special Sensor Microwave Imagers/Sounder (SSMIS)

Primary advisers: Fuzhong Weng and Zhanqing Li

2008:

Bryan Bloomer

Air Pollution Response to Changing Weather and Power Plant Emissions In the Eastern United States

Click here to see Bryan's PhD defense presentation

Primary adviser: Russ Dickerson

Can Li

Emissions, Transport, and Evolution of Atmospheric Pollution from China: An Observational Study

Click here to see Can's PhD defense presentation

Primary advisers: Russ Dickerson and Zhanqing Li

University of Maryland PhD Prospectus Committees on which I have served:

During the prospectus presentation, a student describes for their committee the research they intend to carry out for their PhD dissertation.  Typically (each dept has specific rules), the student makes a ~45 minute presentation with only to committee members present.  Following the presentation, a series of questions are asked and suggestions are given.  The committee then meets in private and decides whether to accept the dissertation prospectus. The prospectus marks an interesting transition in the career of an academic; one has moved away from "what is known" from textbooks and is engulfed in the latest advances in a specific area of research, which almost always are gleaned from the peer-reviewed scientific literature.  Sometimes, findings in the scientific literature appear to be contradictory.  In this case, an ideal prospectus will define one or more testable hypotheses to "advance our knowledge" in this area of science.  The student also is asked to outline a plan, including a schedule, for completion of their dissertation.

 

As an academic faculty, it brings great pleasure to edit the html file containing this info, moving the entry for specific students from the area below (proposed dissertation) to the area above (completed dissertation).

 

 

2012:

Julie Nicely:

Estimating the Effect of Climate Change on the Oxidizing Capacity of the Troposphere

Primary adviser: Ross Salawitch

2011:

Haohoa Ke

Advanced Receptor Models for Highly Time Resolved Data: Performance Evaluation, Comparison, and Improvement of Chemical Mass Balance (CMB), Positive Matrix Factorization (PMF), and Pseudo-Deterministic Receptor Model 2 (PDRM2)

Primary adviser: John Ondov

2010:

Steven Greybush

Mars Weather and Predictability: Modeling and Ensemble Data Assimilation of Spacecraft Observations

Primary adviser: Eugenia Kalnay

Matus Martini

Radiative effects due to North American Anthropogenic vs. Lightning Emissions: Global and Regional Modeling

Primary advisers: Dale Allen and Ken Pickering

2009:

Dan Barrie

Wind Farms and Weather: An analysis of the Impacts of Wind Energy on the Atmosphere

Primary adviser: Dan Kirk-Davidoff

Hez Carty

Diurnal Variability of the Spectral and Vertical Properties of Tropical Precipitation

Primary advisers: Eric Smith and Sumant Nigam

Feng Niu

Satellite-based studies of the impact of aerosols on clouds and precipitation

Primary adviser: Zhanqing Li

2008:

Chris Loughner:

How do Changes to the Urban Environment Affect Precipitation and Air Quality?

Primary adviser: Dale Allen

Xiaolei Niu:

Albedo Feedback and Radiative Fluxes in Polar Regions

Primary adviser: Rachel Pinker

Julie Wolfe:

The Effects of Future Global Change on Arbuscular Mycorrhizal Fungi and Soil Carbon Using Urbanization as a Surrogate for Future Conditions

Primary adviser: Brian Needelman

University of Maryland Undergraduate Gemstone Dissertation committee on which I have served:

The University of Maryland Gemstone program is a four-year program of research, culminating in a dissertation, for undergraduate honors students.  Freshman participate in a Gemstone orientation prior to the start of their freshman year.  During February of the freshman year, faculty present students with possible research topics.  Students form research teams and conduct research on the selected topic, during the rest of their ~3.5 years on campus.

 

The current Gemstone teams are posted at:

 http://www.gemstone.umd.edu/teams

During March of the senior year, the teams make a public presentation of their team's dissertation findings to a panel of "discussants", who have also received a draft copy of the dissertation document.  The room is filled with family members, classmates and friends, as well as freshman Gemstone students who are being exposed to the end product of many year's hard work and creative thinking of the senior Gemstone Research Team.  Following the student presentations, discussants ask a single question, then anyone in the audience is invited to ask questions.  Once the public discussion has ended, the Gemstone Research Team meets privately with their faculty adviser and the discussants.  Of course, a celebration typically follows this last meeting.

 

In 2010, I had the privilege of serving as a discussant for the dissertation submitted by the "Carbon Sink" Gemstone Research Team:

http://teams.gemstone.umd.edu/classof2010/carbonsinks/

The 14 members of this research team:

http://teams.gemstone.umd.edu/classof2010/carbonsinks/about.html

used field research, a set of laboratory experiments, and computer modeling to quantify the effectiveness of carbon sequestration by burial of dead trees, as a means to offset rising levels of atmospheric CO2 due to the burning of fossil fuels.  The research of team Carbon Sinks was supervised by Professor Ning Zeng of UMd AOSC and Jay Gregg, a research assistant with the Joint Global Change Research Institute.  The dissertation submitted by Team Carbon Sinks was comparable to a PhD dissertation!

Department of Atmospheric and Oceanic Science                                           College of Computer, Mathematical, and Natural Sciences

Department of Chemistry and Biochemistry                                                                                  The University of Maryland Newsdesk

Earth System Science Interdisciplinary Center                                                                                             The University of Maryland

This page last updated on Sunday, 24 August 2014