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Harold F. Hemond, Principal Investigator
William E Leonhard Professor

Department of Civil and Environmental Engineering
77 Massachusetts Avenue, 48-425
[15 Vassar Street, Room 425]
Cambridge, MA 02139
CEE Website

Research Interests
Environmental Chemistry and Wetland Geochemistry





















Chee-Loon (Kelvin) Ng, Research Scientist
Singapore-MIT Alliance for Research and Technology (SMART) Centre

Center for Environmental Sensing and Modeling (CENSAM) / S16-06-14 / 3 Science Drive 2 Singapore 117543

B.Sc in Mechanical Engineering, Oklahoma State University, 1998 Education
M.Sc in Mechanical Engineering, Oklahoma State University, 1999 Education
Ph.D in Mechanical Engineering, Oklahoma State University, 2006

Research Interest
In-situ Environmental Chemical Sensing
Atmospheric Dissemination (transonic and supersonic) of Liquid Agents Sprays and Atomization Multiphase Flows

Recent Publications

  • C.-L. Ng and T. G. Theofanous, "Shock Fluidization of Solids and Liquids," The 22nd International Congress of Theoretical and Applied Mechanics, Adelaide Australia, August 2008.

  • C.-L. Ng and T. G. Theofanous, "Modes of Aero-breakup with Visco-Elastic Liquids," The 15th International Congress on Rheology, Monterey CA, August 2008.

  • C.-L. Ng, R. Sankarakrishnan, and K. A. Sallam, "Bag Breakup of Nonturbulent Liquid Jets in Crossflow," International Journal of Multiphase Flow, March 2008.

  • K. A. Sallam, C. Aalburg, K. Lee, C.-L. Ng, and R. Sankarakrishnan, "Breakup of Turbulent and Non-Turbulent Liquid Jets in Gaseous Crossflows," 44th AIAA Aerospace Sciences Meeting, Reno, NV, January 2006 (invited paper).



























    Amy V. Mueller, Post-Doctoral Associate
    Civil & Environmental Engineering

    Background: SB - CS & EE, MIT '02. MEng - EE, MIT '03. PhD - CEE, MIT '12.

    Academic Interests: Applications of electrical engineering and computer science to challenges in the environment, sensor and system design, in-situ environmental science and monitoring, environmental remediation, renewable energy systems, sensor-based control, embedded systems.

    Recent Publications

  • Title: Extended Artificial Neural Networks: Incorporation of a priori chemical knowledge enables use of Ion Selective Electrodes for in-situ measurement of ions at environmentally-relevant levels. Talanta (In Press).
    Author(s): Mueller, Amy V. and H.F. Hemond. 2013

  • Title: In-Situ Quantification of Major Ions in Water via a Novel Electronic Tongue Architecture. Poster presented at: Environmental Sensors 2012, Anglet, France, 23-28 Sept 2012.
    Author(s): Mueller, Amy V. and H.F. Hemond. 2013 Mueller, A.V. and H.F. Hemond. 2012.

  • Title: PhD thesis: Development of a Combined Multi-Sensor/Signal Processing Architecture for Improved In-Situ Quantification of the Charge Balance of Natural Waters, MIT, Cambridge, MA.
    Author(s): Mueller, Amy V. and H.F. Hemond. 2013 Mueller, A.V. 2012.

  • Title: Towards an Automated, standardized Protocol for Determination of Equilibrium Potential of Ion-selective Electrodes
    Author(s): Mueller Amy V.; Hemond Harold F.
    Source: ANALYTICA CHIMICA ACTA Volume: 690 Issue: 1 Pages: 71-78 DOI: 10.1016/j.aca.2011.02.011 Published: MAR 25 2011

  • Title: Blind Separation of Noisy Multivariate Data Using Second-Order Statistics: Remote-Sensing Applications
    Author(s): Herring Keith T.; Mueller Amy V.; Staelin David H.
    Source: IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING Volume: 47 Issue: 10 Pages: 3406-3415 DOI: 10.1109/TGRS.2009.2022325 Published: OCT 2009

  • Title: Field Testing of Lake Water Chemistry with a Portable and an AUV-based Mass Spectrometer Author(s): Hemond Harry F.; Mueller Amy V.; Hemond Michael
    Source: JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY Volume: 19 Issue: 10 Pages: 1403-1410 DOI: 10.1016/j.jasms.2008.04.019 Published: OCT 2008

  • Title: The NEREUS in-lake Wireless/Acoustic Chemical Data Network
    Author(s): Hemond Harry; Cheung Jimmy; Mueller Amy; et al.
    Source: LIMNOLOGY AND OCEANOGRAPHY-METHODS Volume: 6 Pages: 288-298 Published: JUL 2008














    Matthew S. Orosz, Post-Doctoral Associate
    Civil & Environmental Engineering

    Research Interests: Nitrogen chemistry - in the environment, in microbial ecology, and in internal combustion engines; Methanogenesis energetics - in microbial ecology and in waste to energy applications.

    Personal Interests: Solar thermal cogeneration and thermodynamic cycles, mechanics of machines, technology and societal development, Polski FIAT (the rock band), and old motorcycles.

    Recent Publications

  • Title:Geometric Design of Scroll Expanders Optimized for Small Organic Rankine Cycles
    Authors: Matthew Orosz, Amy Mueller, Harold Hemond
    ORC 2011 Special Issue
    ASME Journal of Engineering for Gas Turbines and Power (JEGTP)

  • Title: The NEREUS In-lake Wireless/Acoustic Chemical Data Network
    Author(s): Hemond Harry; Cheung Jimmy; Mueller Amy; et al.
    Source: LIMNOLOGY AND OCEANOGRAPHY-METHODS Volume: 6 Pages: 288-298 Published: JUL 2008









    Charuleka Varadharajan, Graduate Student
    PhD Candidate, Civil & Environmental Engineering

    Research Interests: Methane cycling in aquatic systems.

    Recent Publications

  • Title: A Low-cost Automated Trap to Measure Bubbling Gas Fluxes
    Author(s): Varadharajan Charuleka; Hermosillo Richard; Hemond Harold F.
    Source: LIMNOLOGY AND OCEANOGRAPHY-METHODS Volume: 8 Pages: 363-375 DOI: 10.4319/lom.2010.8.363 Published: JUL 2010

  • Title: A Conduit Dilation Model of Methane Venting from Lake Sediments
    Author(s): Scandella Benjamin P.; Varadharajan Charuleka; Hemond Harold F.; et al.
    Source: GEOPHYSICAL RESEARCH LETTERS Volume: 38 Article Number: L06408 DOI: 10.1029/2011GL046768 Published: MAR 26 2011









    Irene HU
    PhD Candidate, Civil & Environmental Engineering

    Research Interests: Fate and transport of biogeochemicals and contaminants in aquatic systems; in situ environmental chemical sensing.

    Current Project: Benthic Geochemical Flux Assessment Using Eddy Correlation and Optical Instrumentation

    Background: B.S.E. in Electrical Engineering, Princeton University, 2008. Analyst, MMC Corporate Compliance, 2009. Consultant, Oliver Wyman Financial Services, 2010 – 2011.









    Bo DUAN
    PhD Candidate, Civil & Environmental Engineering

    Research Interests: Methane cycling in aquatic systems.







    Schuyler Senft-Grupp, Graduate Student

    Schuyler Senft-Grupp is pursuing his PhD in environmental sensing and instrumentation. His research interests involve taking advantage of new, small, low power electronic devices and using them to create inexpensive, easily-deployable environmental sensors. His current project is to develop a fluorescence based chemical sensor that can be deployed on various platforms such as autonomous underwater vehicles (AUVs), buoys, or boats. Schuyler received his B.S. from the MIT Department of Civil and Environmental Engineering, worked as an environmental engineer for GZA GeoEnvironmental Inc., and interned at the non-profit energy think-tank Rocky Mountain Institute.
















    Kyle DELWICHE, Graduate Student

    Research Interests: Kyle is studying methane ebullition from Upper Mystic Lake near Boston, Massachusetts. While bubbling can be the dominant pathway for methane release from lakes, the sporadic nature of bubbling events leads to large uncertainties in current scientific estimates of bubbling rates. Kyle is developing new bubble traps to improve ebullition rate predictions and validate existing bubble dissolution models. She will also focus on sediment methane reservoirs and their role in controlling bubbling.

    Background: Kyle received her B.S. in Civil and Environmental Engineering from UC Berkeley, and then worked for 3 years as an engineering consultant at Engeo, Inc in San Ramon, CA. While at Engeo, Kyle specialized in stormwater management, creek restoration, and wetland creation. She then received her M.S. in Biological and Environmental Engineering from Cornell University where she studied how biochar additions to soil impact atrazine leaching. She is now working towards her PhD at M.I.T.


  • Title:Trapping Methane Bubbles to Validate Bubble Dissolution Model.
    Authors: Delwiche, K; Scandella, B.; Juanes, R.; Hemond, H.
    Poster Presented at: American Geophysical Union (agu) Fall Meeting 2013, San Francisco, CA, 9-13 December 2013.

  • Title: Atrazine Leaching from Biochar-amended Soils.
    Author(s): Delwiche, K.; Lehmann, J.; Walter, T.
    Source: Chemosphere. Volume 95, Pages 346-352. Published: Jan 2014.
























    Sarah Jane White, Graduate Student
    Civil & Environmental Engineering

    Research Interests: Geochemistry of Trace Metals

  • TEACHING ASSISTANT, MIT Department of Civil & Environmental Engineering [2007 - 2008]
    1.080 Environmental Chemistry and Biology
    1.107 Environmental Chemistry and Biology
    1.725J Chemicals in the Environment: Fate & Transport

  • Five Blues Lake National Park, St. Margaret's Village, Belize
    1.080 Environmental Chemistry and Biology, Summer 1999

    Recent Publications (selected / Peer Reviewed)

  • Title: The Anthrobiogeochemical Cycle of Indium: A Review of the Natural and Anthropogenic Cycling of Indium in the Environment
    Author(s): White Sarah Jane O.; Hemond Harold F.
    Source: CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY Volume: 42 Issue: 2 Pages: 155-186 DOI: 10.1080/10643389.2010.498755 Published: 2012

  • Title: Inputs and Outputs of indium to the Atmosphere
    Author(s): White Sarah Jane O.; Hemond Harold F.
    Conference: 241st National Meeting and Exposition of the American-Chemical-Society (ACS) Location: Anaheim, CA Date: MAR 27-31, 2011
    Sponsor(s): Amer Chem Soc.
    Source: ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY Volume: 241 Meeting Abstract: 17-GEOC Published: MAR 27, 2011

  • Title: Self-regulation of Candida albicans population size during GI colonization, PloS Pathogens
    3(12): 1866-1878, (2007)
    White, S.J.; Rosenback, A. ;Lephart, P.; Nguyen, D. ; Benjamin, A. ; Tzipori, S. ; Whiteway, M, ; Mecsas, J. and Kumamoto, C.

  • Title: Environmental Impact Evaluation Methodology for Emerging Silicon-Based Technologies
    Proceedings of the 2006 IEEE International Symposium on Electronics and the Environment ; 3(12): 1866-1878, (2007)
    Somani, A., Gschwend, P., White, S.J., Boning, D., Reif, Rafael.




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