Spencer A. Hill Postdoc UCLA AOS & Caltech GPS


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Curriculum Vitae (PDF)

Contact information

shill@atmos.ucla.edu
http://people.atmos.ucla.edu/shill
+1 (913) 515-8527

Department of Atmospheric and Oceanic Sciences
7127 Math Sciences Building
405 Hilgard Avenue
Los Angeles, California 90095-1565

ORCID ID: 0000-0001-8672-0671
Twitter: @spencerahill
Github: https://github.com/spencerahill

Current position

Postdoctoral Research Fellow, UCLA Department of Atmospheric and Oceanic Sciences (AOS) and Caltech Division of Geological and Planetary Sciences (GPS). Supported through NSF Atmospheric and Geospace Sciences Postdoctoral Research Fellowship (2016-2018) and Caltech Foster and Coco Stanback Postdoctoral Fellow (2018-2020). Advisers Prof. Jonathan Mitchell (UCLA AOS) and Prof. Simona Bordoni (Caltech GPS).

Education

Ph.D. | Princeton University | Program in Atmospheric and Oceanic Sciences

Conferred September 2016 | Adviser Yi Ming | Committee members: Isaac Held, Leo Donner, Ming Zhao

B.S. | UCLA | Dept. of AOS and Dept. of Applied Mathematics

AOS/Applied Mathematics double major | Conferred June 2011 | Magna Cum Laude | Phi Beta Kappa | UCLA College Honors


Publications

In preparation

  1. Hill, Spencer A., Yi Ming, Isaac M. Held, and Ming Zhao. "Robust responses of the Sahelian hydrological cycle to global warming."
  2. Hill, Spencer A., Juan M. Lora, Norris Khoo, Sean P. Faulk, and Jonathan Aurnou. "DIYnamics: scalable geoscience education via rotating fluid demonstrations." Proposal approved for submission to Bulletin of the American Meteorological Society.

Submitted/in revision

  1. Smyth, Jane, Spencer A. Hill, and Yi Ming. "Simulated responses of the West African monsoon and zonal-mean tropical precipitation to early Holocene orbital forcing." Submitted to Geophysical Research Letters.

Peer-reviewed

  1. (2017) Brown, Patrick T., Yi Ming, Wenhong Li, and Spencer A. Hill. "Change in the magnitude and mechanisms of unforced low-frequency surface temperature variability in a warmer climate." Nature Climate Change, 7, 743-748. doi: 10.1038/nclimate3381. PDF. Supplementary material PDF. Duke University press release.
  2. (2017) Jeevanjee, Nadir, Pedram Hassanzadeh, Spencer A. Hill, and Aditi Sheshadri. "A perspective on climate model hierarchies." Journal of Advances in Modeling Earth Systems, 9, 1760-1771. doi: 10.1002/2017MS001038. PDF.
  3. (2017) Hill, Spencer A., Yi Ming, Isaac M. Held, and Ming Zhao. "A moist static energy budget-based analysis of the Sahel rainfall response to uniform oceanic warming." Journal of Climate, 30, 5637-5660. doi: 10.1175/JCLI-D-16-0785.1. PDF.
  4. (2015) Hill, Spencer A., Yi Ming, and Isaac M. Held. "Mechanisms of forced tropical meridional energy flux change." Journal of Climate, 28, 1725-1742. doi: 10.1175/JCLI-D-14-00165.1. PDF.
  5. (2012) Hill, Spencer A. and Yi Ming. "Nonlinear climate response to regional brightening of tropical marine stratocumulus." Geophysical Research Letters, 39, L15707, 5 pp. doi: 10.1029/2012GL052064. PDF. Supplementary material PDF.

PhD thesis

(2016) Hill, Spencer A. "Energetic and hydrological responses of Hadley circulations and the African Sahel to sea surface temperature perturbations." PhD Thesis, Princeton University Program in Atmospheric and Oceanic Sciences. PDF.

Non peer-reviewed

  1. (2017) Hill, Spencer A. and Spencer K. Clark. "What’s needed for the Future of AOS Python? Tools for Automating AOS Data Analysis and Management." Invited guest blog post on "PyAOS" blog. URL: http://pyaos.johnny-lin.com/?p=1546.
  2. (2012) Hill, Spencer A. "A head in the clouds elucidates climate" (book review of Atmosphere, Clouds, and Climate by David Randall). Science, 337, 1 pp., doi: 10.1126/science.1225615. PDF.

Software

  1. (2017) Hill, Spencer A. and Spencer Clark. "aospy: automated climate data analysis and management." http://aospy.readthedocs.io/en/latest/. doi: 10.5281/zenodo.996951.
  2. (2016) Hoyer, Stephan et al. "xarray: v0.8.0." doi: 10.5281/zenodo.59499.

Research and Professional Experiences

2017 June Chair, "Idealized approaches to the atmospheric and oceanic circulation, Part II" session, AMS 21st Conference on Atmospheric and Oceanic Fluid Dynamics, Portland, OR
2016. Dec Co-chair, "Tropical circulations and their sensitivities to changes in climate" session, AGU Fall Meeting 2016, San Francisco, CA
2016. Nov Co-chair, "Tropical convection and radiative convective equilibrium" session, WCRP Model Hierarchies Workshop, Princeton, NJ
2015 June-Aug. Organizer, Princeton AOS convection journal club
2013-2015 Organizer, GFDL Climate Sensitivity Journal Club
2012–2013 Organizer, Princeton AOS Student/Postdoc Seminar Series
2012–2013 Princeton AOS Program Student Representative to the Faculty
2012–2013 Member, Princeton Energy and Climate Scholars
2012 July Participant, GFDL Summer School on Atmospheric Modeling
2011 June-Aug. Research Intern, UCLA California Research Training Program in Computational and Applied Mathematics, Slurry Flows Group
2011 Jan. Invited Student Secretary, International Geosphere-Biosphere Program Workshop on Ecosystems Impacts of Geoengineering, Scripps Institution of Oceanography, UCSD, La Jolla, CA
2010 June-Aug. Research Intern, NOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ. Advisor Dr. Yi Ming

Major Honors and Awards

2016 NSF Atmospheric and Geospace Sciences Postdoctoral Research Fellowship. NSF Award #1624740
2016 California Institute of Technology Foster and Coco Stanback Postdoctoral Fellowship, deferred to 2018
2013 U.S. Dept. of Defense National Defense Science and Engineering Graduate Fellowship (3 years)
2012 Princeton University Elliotte Robinson Little '25 Fellowship
2012 American Meteorological Society Climate Change Travel Scholarship, 92nd AMS Annual Meeting
2012 NSF Graduate Research Fellowship Honorable Mention
2009 National Oceanic and Atmospheric Administration Ernest F. Hollings Undergraduate Scholarship
2007 United States Presidential Scholar. Honored by President George W. Bush at the White House as part of the Presidential Scholars National Recognition Week.

Teaching & Mentoring

Princeton Graduate Teaching Transcript certification

Administered by the Princeton University McGraw Center for Teaching & Learning. Requirements include two-day teacher training, lectures and workshops on pedagogy, and video recording and subsequent analysis of teaching as a TA. Completed August 2016.

Teaching Assistant

Princeton University, Fall 2014, Geosciences 361, "Physics of Earth: The Habitable Planet." Professor George Philander.

Mentorship

  • Advisor to UCLA undergraduate student Micah Kim for independent research course work on the "aospy" software package (Fall 2017)
  • Assistant mentor to UCLA undergraduate students for work on portable rotating tank science outreach project: Norris Khoo (2017), Juliet Olsen (Fall 2016)
  • Assistant mentor to summer interns at NOAA GFDL: Jane Smyth (2015), Marjahn Finlayson (2014), Colin Raymond (2013)

Public Outreach

"DIYnamics" project

Developing inexpensive, easy-to-assemble rotating tank platforms for use in teaching fundamental principles of Earth science at levels from K-12 science classes to AOS graduate courses. Materials include the kits themselves, PDF assembly instruction, instructional videos, and a website: https://diynamics.github.io/

Used the tables as part of presentations at Los Angeles area middle schools: "Building scientific models of Earth's atmosphere, oceans, and more."

[2017-05-12 Fri] La Tijera K-8 Charter School, Inglewood, CA (7th grade students; 3 class periods)
[2017-05-19 Fri] La Tijera K-8 Charter School, Inglewood, CA (8th grade students; 3 class periods)
[2017-05-22 Mon] Ralph J. Bunche Middle School, Compton, CA (8th grade students; 2 class periods)

Prior outreach efforts

[2015-06-19 Fri] "Introduction to climate models." 20 minute presentation to New Jersey Japanese School during their visit to NOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ.      
[2015-04-10 Fri] "Introduction to weather and climate." 45 minute presentation + Q&A to 7th grade class at Forrestdale Middle School, Rumson, NJ. Co-presented with Sarah Schlunegger.      

Reviewing

  • Proposal reviewer for National Science Foundation.
  • Article reviewer for Nature Climate Change, Journal of Climate, Geophysical Research Letters, Journal of the Atmospheric Sciences, Climate Dynamics, Journal of Geophysical Research - Atmospheres, and GFDL internal manuscript review.

Selected Presentations

[2017-12-14 Thu] "Dry Rainbelts: Understanding Boundary Layer Controls on the ITCZ Using a Dry Dynamical Core." Oral. AGU Fall Meeting. New Orleans, LA.
[2017-07-19 Wed] "Towards transient simulation of the Green Sahara onset and demise through idealized modeling of vegetation-land-atmosphere interactions." Poster. Gordon Research Conference on Radiation and Climate. Bates College, Lewiston, ME.
[2017-06-27 Tue] "Control of convergence zone migrations by planetary parameters." Poster. AMS 21st Conference on Atmospheric and Oceanic Fluid Dynamics. Portland, OR.
[2017-01-24 Tue] "Automate your climate and weather data analysis with aospy." Oral. AMS Annual Meeting, Seattle, WA.
[2017-01-24 Tue] "Energetic and precipitation responses in the Sahel to sea surface temperature perturbations." Oral. AMS Annual Meeting, Seattle, WA.
[2016-12-16 Fri] "Robust drying influence of mean ocean surface warming on The Sahel and implications for constraining future rainfall change." Oral. AGU 2016 Fall Meeting, San Francisco, CA.
[2016-11-02 Wed] "A hierarchy of perturbation complexites: Case study of Sahel rainfall response to global warming." Poster. WCRP Model Hierarchies Workshop, Princeton University, Princeton, NJ.
[2016-10-26 Wed] "Tropical energetic and precipitation responses to sea surface temperature perturbations: Zonal mean and the African Sahel." Oral. Caltech GPS formal seminar series.
[2016-10-13 Thu] "The fate of rainfall in the African Sahel under global warming." Invited oral. Westmont College, Santa Barbara, CA.
[2016-10-05 Wed] "Tropical energetic and precipitation responses to sea surface temperature perturbations: Zonal mean and the African Sahel." Oral. UCLA AOS formal seminar series.
[2015-12-14 Mon] "Towards constraining future rainfall in the Sahel using the moist static energy budget." Oral. AGU 2015 Fall Meeting, San Francisco, CA.
[2015-05-21 Thu] "Towards constraining Sahel rainfall responses to global mean temperature changes." Invited oral. Linde Center for Global Environmental Science "Monsoons: Past, Present and Future" workshop, California Institute of Technology, Pasadena, CA.
[2015-03-13 Fri] "Radiative and dynamical controls on the Sahel rainfall response to uniform ocean warming." Oral. Princeton AOS dynamics seminar series.
[2015-03-06 Fri] "Mechanisms of forced ITCZ shifts and of rainfall responses in the African Sahel to SST warming." Invited oral. New York University AOS student seminar series.
[2015-01-06 Tue] "Convection scheme, cloud, and stability effects on Sahel rainfall response to uniform warming." Poster. AMS Annual Meeting, Phoenix, AZ.
[2014-12-15 Mon] "Convection scheme, cloud, and stability effects on Sahel rainfall response to uniform warming." Poster. AGU Fall Meeting, San Francisco, CA.
[2014-10-09 Thu] "Mechanisms of forced ITCZ shifts and Sahelian drought in GCMs." Invited oral presentation. Yale University, New Haven, CT.
[2014-06-19 Thu] "Mechanisms of forced tropical meridional energy flux change." Poster presentation. Latsis Symposium, ETH Zurich, Zurich, Switzerland.
[2014-02-05 Wed] "Mean and extreme tropical precipitation changes caused by the uniform and spatially varying components of anthropogenic forcing." Oral presentation. AMS 2014 Annual Meeting, Atlanta, GA.
[2013-12-13 Fri] "Mechanisms of forced tropical meridional energy flux change." Oral presentation. AGU 2013 Fall Meeting, San Francisco, CA.
[2013-11-02 Sat] "Mechanisms of forced tropical meridional energy flux change." Oral presentation. Graduate Climate Conference, Woods Hole Oceanographic Institution, Woods Hole, MA.
[2013-07-09 Tue] "Mechanisms of forced tropical meridional energy flux change." Poster presentation. Gordon Research Conference, Colby-Sawyer College, New London, NH.
[2012-02-28 Tue] "Climate response to a geoengineered brightening of subtropical marine boundary clouds." Oral. Princeton AOS Program Student/Postdoc Seminar Series.
[2012-01-22 Sun] "Climate response to a geoengineered brightening of subtropical marine boundary clouds." Poster. 11th Annual Student Conference at the AMS Annual Meeting, New Orleans, LA.
[2011-11-11 Fri] "Climate response to a geoengineered brightening of subtropical marine boundary clouds." Oral. Princeton University Department of Geosciences Graduate Research Symposium, Princeton, NJ.
[2010-12-16 Thu] "Climate response to a geoengineered brightening of subtropical marine boundary clouds." Poster. Session GC31A: "Can We Counteract Global Warming?" American Geophysical Union Fall Meeting. San Francisco, CA.
[2010-10-26 Tue] "Climate response to a geoengineered brightening of subtropical marine boundary clouds." Oral. Special Symposium on Aerosols in Geoengineering at the American Association for Aerosol Research 29th Annual Conference. Portland, OR.
[2010-08-03 Tue] "Investigating climate response to geoengineering using a global climate model." Oral. National Oceanic and Atmospheric Administration Office of Education Science Symposium, Silver Spring, MD.

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