June 2016
Message 35

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[Met-jobs] Postdoctoral Researcher – Shallow Cumulus clouds and image processing

From Jessica Kleiss <>
Date Mon, 13 Jun 2016 14:44:47 -0700

A collaborative research project between Lewis & Clark College, Pacific Northwest National Labs, and University of Colorado, Boulder, seeks a postdoctoral researcher on a project investigating macro-physical properties of shallow (fair-weather) cumulus clouds.


The work will integrate Total Sky Imager (TSI) visible observations of the sky dome and observations from active sensors such as radars and Lidars captured at the Atmospheric Radiation Measurement (ARM) Program Southern Great Plains site. The macro-physical properties, such as cloud base height, cloud chord length, and cloud aspect ratio, will be used to improve modeling-based process studies. 

The postdoctoral researcher will work primarily at Lewis & Clark College, a four-year undergraduate liberal arts college located in Portland, OR ( with researcher Jessica Kleiss. Mentoring for a postdoc interested in exploring a career at a liberal arts college will be available (but not required). The postdoc will collaborate with researchers at PNNL and CU Boulder. The postdoctoral researcher will be expected to spend some months at PNNL in Richland WA each year for closer collaboration and expanding their professional network. This is a limited duration position dependent on external grant funding. Two years of support are expected, with the potential for a third year of research pending adequate progress. 


  1. Analyze the Total Sky Imager data and remote sensing (Lidar and Radar) data from the ARM field site in Oklahoma to retrieve macrophysical cloud properties such as cloud base height, cloud aspect ratio, cloud top height, cloud thickness, and cloud chord length. The macrophysical properties are then used to inform the 4-D data cube of shallow cumulus cloud genesis and evolution.
  2. Keep careful documentation of the analysis procedure through creation of readme files and a research notebook. 
  3. Contribute to two research progress reports per year for submission to DOE / ASR.
  4. Prepare oral or poster presentations to present at roughly one professional conference per year. 
  5. Participate in collaborative meetings with Kleiss, Riihimaki, Kassianov, Long, and undergraduate research students to discuss current research progress and next steps.
  6. Maintain computing resources in Kleiss lab: install and update software, maintain data backups.


  • PhD in atmospheric science, climate science, oceanography, environmental science, earth science, or related field with some knowledge of the atmosphere and clouds.
  • Knowledge of Atmospheric Science, specifically cloud genesis and evolution.
  • Computer programming skills, preferably in Python, IDL, C, or Fortran.
  • Knowledge of computer operating systems, networks, software packages, and data management.
  • Data analysis and documentation skills.
  • Verbal communication skills for collaboration.
  • Written communication skills for writing reports and documenting work.
  • Graphical design skills for preparation of final reports and presentations. 


  • 3 or more years of experience gathering and analyzing their own data, resulting in a publication.
  • 2 or more years of experience attending scientific conferences to present their work.
  • Computer programming skills in Matlab.
  • Familiar with UNIX operating system.
  • Skills and knowledge of digital image processing techniques.
  • Skill at conceptualizing spatially complex geometrical space. 


Please submit a Cover Letter, CV, and contact information for three references to the job listing at Jobs: Lewis & Clark College:  This position will remain open until filled, with an ideal start date of August 1st, 2016.

Lewis & Clark College will conduct background checks on the finalist(s). Lewis & Clark College is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to status as a protected veteran or a qualified individual with a disability, or other protected status, such as race, religion, color, national origin, sex or age. Questions regarding Title IX may be referred to the Title IX Coordinator or OCR

Jessica Kleiss
Assistant Professor of Environmental Studies
Lewis and Clark College, Portland OR
phone: 503-768-7368

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