Staff Notes Daily Announcements

MMM Seminar Series - Thursday, March 21, 2019 - 3:30pm

Speaker: Marcelo Chamecki 

Affiliation: Atmospheric and Oceanic Sciences, UCLA

Turbulent fluxes of momentum, heat, water vapor, carbon dioxide, and forest emitted hydrocarbons play a major role in the coupling between the biosphere and the atmosphere. These fluxes are mediated by turbulent eddies that result from the complex interaction between the boundary-layer flow and the vegetation canopy. In tall and dense forests (such as the Amazon) eddies frequently penetrate the upper region of the forest but seldom reach the lower canopy, effectively separating the forest into two distinct regions with contrasting transport conditions. The resulting transport efficiencies are particularly important in the context of reactive gases emitted by the forest, as they can undergo significant chemical transformation before being transported out of the canopy region. Even gentle topography produces major effects in the flow field when covered by dense forests. In this talk I will use (some) observations and (lots of) results from high-fidelity idealized numerical simulations to study the transport of air parcels inside the Amazon forest canopy. In particular, I will quantify in-canopy residence times of air parcels and present a simple theoretical model to predict in-canopy chemical processing. I will also present simulations including gentle topography and discuss the potential effects of topography on transport and reaction of gases inside the canopy.

Refreshments: 3:15 PM



Posted by Nancy Kerner at ext. 8946,

Friday, March 15, 2019 to Thursday, March 21, 2019

Posted by Joanna Schmitz at ext. 4971653,

Friday, March 15, 2019 to Friday, March 22, 2019

Lidar Techniques for Geoscience Applications

Professor Jeff Thayer University of Colorado, Aerospace Engineering Sciences Dept. Director, Colorado Center for Astrodynamics Research CTO, ASTRALiTe, Inc.

Abstract The Active Remote Sensing Lab (ARSENL) within CU’s Aerospace Engineering Sciences Department has been developing, deploying, operating, and analyzing lidar systems for geoscience applications for over 13 years. Our lidar systems have been deployed to the far reaches of the planet, as well as locally in Boulder, on aircraft and more recently on unmanned aircraft systems. As a remote sensing instrument, lidar exploits light scattering characteristics to derive information about an object. We have employed Rayleigh, Mie, Raman, resonance, and polarization lidars to derive atmospheric properties, such as temperature, waves, aerosol and cloud characteristics. Recently we have explored the application of lidar for bathymetric purposes and have improved the ability to determine the bathymetry and depths of very shallow water (<5 m) with centimeter-level precision. This seminar will describe the lidar techniques we employ for geoscience applications, with specific examples of systems deployed for atmospheric and bathymetric measurements. A new venture as chief technology officer of a lidar technologies startup company will also be described and discussed.

Professional Chronology University of Michigan (Graduate Research Associate, 1984-1990); SRI International, Menlo Park, CA (Research Physicist, 1990-1994; Senior Research Physicist, 1995-2004); University of Colorado, Aerospace Engineering Sciences Department, Boulder, CO (Associate Professor, tenure-track, 2004-2009; Associate Professor, tenured, 2009-2012; Professor, 2012-present); Director, Colorado Center for Astrodynamics Research (2013-present); Chief Technology Officer at ASTRALiTe, Inc. (2014-present) Recent honors and awards: 2017 – Joseph T. Negler Professorship, 2016 – CU Boulder Faculty Assembly Award for Excellence in Research, 2015 – Aerospace Department’s Outstanding Undergraduate Teaching and Mentoring Award, 2015 – Distinguished Alumni Award SUNY Oneonta, 2012 – College of Engineering Dean’s Award for Outstanding Research, 2012 – Roubos Engineering Endowed Faculty Fellowship; 2012– College of Engineering Dean’s Award for Outstanding Research, 2011– College of Engineering Dean’s Award for Outstanding Teaching, 2010 – University of Colorado Provost’s Faculty Achievement Award, 2005 – University of Michigan Alumni Merit Award , 2004 – SRI Presidential Achievement Award.

Experience Summary Prof. Thayer has over 25 years of experience applying remote sensing techniques to research the aerospace environment of Earth. He specializes in geophysical fluid dynamics, gas and plasma interactions, thermodynamics, electrodynamics and active remote sensing techniques using radars and lidars. In his past fourteen years as a faculty member at the University of Colorado, he has supervised 15 PhD students, 10 Masters students, two post-doctoral researchers, and numerous undergraduates. Prof. Thayer and his research group study a broad range of topics related to the geosciences. Prof. Thayer is also active in the science community serving on the National Academies Heliophysics Midterm Decadal Survey Assessment Committee (2018-present); Co-chair of NSF Quo Vadis? Community Workshop (2015-2017); Member of the NASA Living with a Star Institute on Atmospheric Drag (2015-2018); Co-chair of the NSF AST/AGS Mid-term review of Arecibo Observatory (2014-2015); Member of NCAR’s HAO External Advisory Committee (2012-2014); Member of the National Academies Atmosphere-Ionosphere-Magnetosphere committee for the Decadal Survey for Space Science (2010 – 2012); Chair of the NSF CEDAR Science Steering Committee (2007-2010). Prof. Thayer has over 110 refereed publications – see

Monday, March 18, 2019 3:00-4:00 FL2-1001

Posted by Jessa Johnson at ext. 2751,

Friday, March 15, 2019 to Monday, March 18, 2019

Contracts and the Office of General Counsel invites all interested staff to attend the lunch and learn session being held on March 20, 2019, “Engaging with Sponsors.”  We strongly encourage Principal Investigators to attend or join in via Google Hangout (  Please feel free to bring your lunch if you attend in person.   

Synopsis:  This session will provide an overview of issues that need to be considered when engaging with potential and current sponsors.  Topics will include items such as: (1) tips for writing a Statement of Work for non-traditional sponsors; (2) engaging subcontractors and subrecipients; and, (3) intellectual property considerations.

Time:  12:30 – 1:30 pm

Location:  FL1-2133

Posted by Amy Smith at ext. 8872,

Thursday, March 14, 2019 to Wednesday, March 20, 2019

The GLOBE Program is looking for volunteers to help score projects for the 2019 GLOBE International Virtual Science Symposium (IVSS).

The IVSS is a way for students from all over the world to showcase their hard work. With GLOBE, students learn the practices of science through hands-on investigations in their own communities, sparking their curiosity and interest in science. This often leads to inquiries that help solve real-world problems and further understanding of our global environment.

Volunteers are STEM professionals, teachers, graduate students, and other interested community members who will assist in scoring student projects.

Scoring begins on 26 April 2019 after all of the projects have been submitted. It can take an hour or more, depending on how much time you are willing to commit. There will be an informational webinar (which will be recorded) on 25 April 2019 at 10:00 am MT (click here at the time of the webinar to join!) and then judging will need to take place between 26 April-05 May 2019. Judging consists of filling out a Google form with your scores and feedback for the project.

To sign-up as a volunteer, please go here: We will begin contacting judges in April.

The students really appreciate getting feedback on their projects in order to improve as researchers!

Posted by Amy Barfield at ext. 2645,

Wednesday, March 13, 2019 to Thursday, April 25, 2019

Climate change? Yes, but Not Only – Disentangling the Contribution of Socioeconomic Pathways to Future Climate Risks

Guillaume Rohat The University of Geneva & The University of Twente

Abstract There is an increasing need of understanding and assessing future climate risks, particularly in urban areas, where people and assets are concentrated and where the combination of socioeconomic development and climate change will put human beings and socio-ecological systems under the highest pressure in the coming decades. Most of the existing assessments of future climate risks in urban areas are based on future climatic conditions superimposed on current socioeconomic conditions only, hence failing to account for the influence that different socioeconomic development pathways may have on future climate risks. Here we describe how the new scenario framework for climate change research (that is, the combination of Representative Concentration Pathways (RCPs) with Shared Socioeconomic Pathways (SSPs)) can help addressing this issue. With case-studies in Europe, Africa, and US (Houston, TX), this presentation covers aspects related to (i) the development of socioeconomic scenarios at the local scale to inform climate risks assessments, (ii) the projection of drivers of social vulnerability at the urban scale, (iii) the integration of RCPs and SSPs into a scenario matrix to assess future climate risks under multiple plausible futures, and (iv) the use of the scenario matrix to disentangle the individual contribution of changes in socioeconomic and climatic conditions and to assess the efficiency of various adaptation strategies. Overall, the SSPs and the new scenario framework are promising tools towards a better understanding of future climate risks and their main socioeconomic contributors.

Speaker Bio Guillaume Rohat is a PhD candidate at both the University of Geneva (Switzerland) and the University of Twente (The Netherlands). His main topic of interest is the development of methods to foster the use of socioeconomic scenarios in Impacts, Adaptation, and Vulnerability studies, with a particular focus on trying to understand how socioeconomic pathways will shape future heat-related health challenges in urban areas.

Thursday, March 21, 2019 2:00-3:00 FL2-1022

Posted by Jessa Johnson at ext. 2751,

Wednesday, March 13, 2019 to Thursday, March 21, 2019

Ground -Truth Verification of Weather Phenomena to Enhance Driver Safety and Finetune Weather Reporting

Eric Dixon Sr. Product Manager Helios Inventor Harris Corporation

Abstract Weather significantly affects the traveling public and the transportation agencies that operate and maintain the nation’s roadways. Adverse weather is the second largest cause of non-recurring highway congestion, causing approximately 15 percent of traffic delays nationwide. In addition, adverse weather contributes 23 percent to the nation’s vehicle crashes and 17 percent of traffic fatalities. More than 1.5 million accidents per year, resulting in over 673,000 injuries and nearly 7,400 fatalities are weather-related (FHWA, 2011).

Video camera networks have grown exponentially across the globe. Harris has leveraged an aggregated network of nearly 50,000 traffic, vehicle, and surveillance cameras, and applied new machine learning technologies to the data to deliver real-time insights on how weather is impacting road conditions and critical infrastructure through its Helios network.

Traditional weather forecasting predicts what will happen in the atmosphere, and with only about 2,500 RWIS ground weather stations in the U.S., getting a clear picture of the impact of weather events is often limited. Helios weather analytics bridge that gap with fast and accurate local ground weather intelligence to support weather forecasting, emergency response, and vehicle safety.

Attend this live webinar to learn how Harris can help solve some common challenges: • Lack of weather information available on demand to serve the needs of people at the times and locations when they actually need it. • Frustration with inaccuracies and generalities of a weather forecast. • Real-time monitoring of current conditions to validate and complement weather forecasts.

Organizational Presenter Bios - Erick Dixon: Sr. Product Manager/ Eric Dixon has lead senor roles in large enterprise integrations as a Senior Systems Engineer supporting multiple government customers including National Geospatial-Intelligence Agency (NGA), Air Force and other intelligence markets.   Eric has over 20+ years’ engineering and design experience in ground-based imagery systems, situational awareness and data processing. Eric’s engineering experience spans both software and hardware development. Prior to Harris, Mr. Dixon spent fifteen at in leadership roles in design engineering, manufacturing and commercial/consumer product development in various commercial imaging companies such as Vidar Corporation and startup companies such as Motient Corporation (precursor to XM Satellite Radio), and PictureVision which was acquired by Eastman Kodak in 2001.   Eric has a degree in Mechanical Engineering, Certificate in Geographic Information Systems and is a Certified Six Sigma Greenbelt.

- Matthew Bergin: Matt Bergin is the Director for Commercial Product Strategy at Harris Geospatial. He oversees the Product Management team at HGSI and is responsible for creating and executing the global commercial strategy for the division. Matt holds a degree in Physics from Colorado State University.

- Andrew Fore: Andrew Fore manages academic and NGO accounts at Harris with other supporting roles in lead development and blogging. Andrew has a background in GIS and environmental restoration with a B.S in Natural Resources Management from Colorado State University. Andrew has worked as a GIS analyst contractor for CACI International using ArcGIS tools to edit GIS databases for accuracy.  After college Andrew also worked as a seasonal Natural Resources Technician for the City of Boulder. Andrew is currently working towards finishing a certificate in GIS. Andrew has been a lifelong outdoorsman with a passion for hiking and fly fishing.

-Milton Ospina: Major Accounts Manager/Mr. Ospina has been actively involved in the geospatial industry since 1988. He spent 15 years working at Esri as a software instructor and Industry Marketing Manager. Mr. Ospina joined HERE Technologies in 2008 as Business Development Manager. In 2018, he joined Harris Geospatial Solutions as a Major Accounts executive. His focus has been on marketing and selling geospatial software and data solutions to commercial and government customers and in advising them on how to use geospatial knowledge to meet their business needs. In 2004 he co-authored Measuring Up: The Business Case for GIS (Esri Press).

Monday, March 18, 2019 9:00-10:00 FL2-1001

Posted by Jessa Johnson at ext. 2751,

Wednesday, March 13, 2019 to Monday, March 18, 2019

Registration is open for a MATLAB class that CISL is hosting at 9 a.m. on Thursday, March 28, in Boulder. A MathWorks application engineer will present Build and Execute Parallel Applications in MATLAB in the Small Seminar Room, Foothills Lab 2 (FL2-1001).

Class description

In this session we show how to program parallel applications in MATLAB. We introduce high-level programming constructs to easily create parallel applications without low-level programming and show how to offload processor-intensive tasks on a computing resource of your choice – multicore computers, GPUs, or larger resources such as HPC clusters and cloud computing services.

Learning objectives:

  • Program parallel applications in MATLAB
  • Analyze big data sets and solve large scale problems
  • Run parallel applications interactively and as batch jobs
  • Employ multicore processors and GPUs to speed up your computations
  • Off-loading processor-intensive tasks to clusters and cloud computing services

Use this link to register and attend in person. The class will not be recorded or available online.

Posted by Shilo Hall at ext. 2477,

Wednesday, March 13, 2019 to Wednesday, March 20, 2019

Senior Vice President and Chief Operating Officer Lory Wingate invites all interested staff to provide feedback on the following draft elements of the new UCAR Strategic Plan:  Vision, Mission, Guiding Values, and Goals.  Please visit the Strategic Plan website for more information and use the Google Form to provide your feedback by March 31. In addition, all interested staff are invited to attend the upcoming lunch-and-learn sessions to discuss the UCAR Strategic Plan processes and draft.  Please see the following dates and locations:

  • March 19:  ML 215-Dir Conference Room, 12:00 - 1:00 p.m.
  • March 20:  FL2-1002, 11:30 a.m. - 12:30 p.m.

Feel free to bring your lunch and any questions you may have.

Posted by Denise Moulton at ext. 8551,

Wednesday, March 13, 2019 to Thursday, March 21, 2019


TITLE: Redefining odd oxygen: A new budget diagnostic for tropospheric ozone

PRESENTER: Kelvin Bates, NOAA Climate & Global Change and Harvard University Center for the Environment Postdoctoral Fellow

ABSTRACT: Tropospheric ozone, an important atmospheric oxidant and greenhouse gas, can be produced within the troposphere by photochemical oxidation of volatile organic compounds (VOCs) and CO in the presence of nitrogen oxide radicals (NOx = NO + NO2) or transported from the stratosphere, where it is produced by O2 photolysis. Global 3-D chemical transport models (CTMs) resolving the coupling between chemistry and transport have become standard tools for developing an understanding of the factors controlling tropospheric ozone, but the chemical cycling between ozone and various chemical species presents a difficulty in tracking ozone and quantifying ozone budgets in the models. Models define for this purpose an "odd oxygen" (Ox) chemical family, including ozone and the species with which it cycles, as the relevant quantity for computing the ozone budget. However, different models use various definitions of the Ox family, leading to ambiguities in model intercomparisons, and the definitions commonly used have prominent theoretical deficiencies. For example, a major Ox loss in all definitions is the O(1D) + H2O --> 2OH reaction, where O(1D) is produced by ozone photolysis. But this may not be an actual loss, because the resulting hydrogen oxide (HOx) radicals regenerate ozone in the presence of nitrogen oxides.

We propose an expanded definition of the odd oxygen family, Oy = Ox + Oz, to include both Ox and an additional subfamily, Oz, consisting of HOx and its reservoirs. In the Oy framework, the primary sources of tropospheric ozone are transport from the stratosphere and production of Oz, mainly by photolysis of carbonyls, while sinks include deposition and conversion to O2 and H2O. The O(1D) + H2O reaction conserves Oy and drives the conversion of Ox to Oz, and reactions of NO with peroxy radicals act as an amplifier on the cycling from Oz to Ox, rather than a primary source of odd oxygen. We incorporate this new accounting into the GEOS-Chem model and show how it implies a longer lifetime of ozone and greater contribution of stratospheric input as a source of tropospheric ozone, and can also be used to "tag" ozone by source. Using Oy in model intercomparisons may help to resolve the large discrepancies in tropospheric ozone budgets.

Monday, March 18, 2019, 3:30 p.m Refreshments 3:15 p.m NCAR Foothills Laboratory FL2-1022, large seminar room Live webcast:

Posted by Bonnie Slagel at ext. 8318,

Tuesday, March 12, 2019 to Monday, March 18, 2019


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