Profile

Biography

Claire joined the Environment Department in 2011 from the School of Environmental Sciences at the University of East Anglia where she worked as a senior research associate. 

Claire is a marine biogeochemist specialising in understanding the processes that control the emission of environmentally-significant trace gases from the marine biosphere to the atmosphere.

Her work involves measuring trace gas concentrations in seawater during ship- and land-based field campaigns and carrying out laboratory experiments to improve understanding of their sources and sinks.

The ultimate aim of this work is to determine the magnitude of the oceanic source of key trace gases so that their impact on processes taking place in the atmosphere such as ozone depletion and secondary aerosol formation can be established.

The majority of Claire’s research has been done on the volatile halogens but she has also worked on the alkyl nitrates and dimethyl sulphide (DMS).

Claire’s work has recently focused on the western Antarctic Peninsula but she has also carried out research in the Arctic, tropical Atlantic, north Atlantic and a freshwater lake in southeastern England.

Her most recent research was aimed at assessing the impact of a climate-induced change in phytoplankton community structure on biogenic bromine emissions from coastal waters of the western Antarctic Peninsula.

Career

Research

Overview

• Inter-annual variability in the production of ozone-depleting bromocarbon gases in near-shore Antarctic waters
  Joint principal investigator with Peter Liss (University of East Anglia) on this British Antarctic Survey Collaborative Gearing Scheme (CGS) project.
• The production of ozone-depleting bromocarbons in coastal waters of the western Antarctic Peninsula
  Co-investigator on this NERC Antarctic Funding Initiative (AFI) project. Other investigators include Peter Liss (PI), Gill Malin, Sue Turner and Roland von Glasow (University of East Anglia) and Andy Clarke (British Antarctic Survey)
• Investigation of the Near-Surface Production of Iodocarbons: Rates and Exchanges (INSPIRE)
  Co-investigator on this NERC UK Surface Ocean-Lower Atmosphere (SOLAS) project. Other investigators include Gill Malin (PI), Peter Liss and Manuela Martino (University of East Anglia) and Phil Nightingale, Steve Archer (Plymouth Marine Laboratory)

Publications

Full publications list

Johnson, M. T., C. Hughes, T. G. Bell, P. S. Liss. A Rumsfeldian Analysis of Uncertainty in Air-sea Gas Exchange in: Gas Transfer at Water Surfaces. Komori, S., W. McGillis and R. Kurose (Eds), Kyoto University Press, Kyoto, Japan, 2011

Hughes, C., D. J. Franklin, G. Malin. Trace gas production by two important marine cyanobacteria: Prochlorococcus marinus (CCMP 2389) and Synechococcus sp. (CCMP 2370). Mar. Chem., 125, 19-25, 2011

Kettle, A. J., C. Hughes, G. Unazi, L. Birch, H. Mohie-El-Din, M. R. Jones. Role of groundwater exchange on the energy budget and seasonal stratification of a shallow temperate lake. Submitted to Limnol. & Oceanogr. 2010

Chance, R. J., K. Weston, A. R. Baker, C. Hughes, G. Malin, M. P.  Meredith, A. Clarke, T. Jickells, P. Mann, H. Rossetti, Seasonal and inter-annual variation of dissolved iodine speciation at a coastal Antarctic site. Mar. Chem., 118: 171-181, 2010

Hughes, C., A. J. Kettle, G. A. Unazi, K. Weston, M. R. Jones, M. T. Johnson. Seasonal variations in the concentrations of methyl and ethyl nitrate in a shallow freshwater lake. Limnol. & Oceanogr. 55 (1): 305-314, 2010

Hughes, C., A. L. Chuck, H. Rossetti, P. J. Mann, S. M. Turner, A. Clarke, R. Chance, P. S. Liss. Seasonal cycle of seawater bromoform and dibromomethane concentrations in a coastal bay on the western Antarctic Peninsula. Glob. Biogeochem. Cycl., 23, GB2024, doi:10.1029/2008GB003268, 2009

Franklin, D. J., C.-J. Choi, C. Hughes, G. Malin, J. A. Berges. Large proportions of dead cells have little effect on variable chlorophyll fluorescence (FV:FM): implications for field surveys. Mar. Ecol. Prog. Ser., 382: 35-40, 2009

Chance, R., A. R. Baker, F. C. Küpper, C. Hughes, B. Kloareg, G. Malin. Release and transformations of inorganic iodine by marine macroalgae. Est., Coast. & Shel. Sci., 82, 409-414, 2009

Hughes, C., A. L. Chuck, S. M. Turner, P. S. Liss. Methyl and ethyl nitrate saturation anomalies in the Southern Ocean (36–65°S, 30–70°W). Env. Chem., 5 (1): 11-15, 2008

Hughes, C., G. Malin, C. M. Turley, B. J. Keely, P. D. Nightingale,  P. S. Liss. The production of volatile iodocarbons by biogenic marine aggregates. Limnol. & Oceanogr., 53 (2):867-872, 2008

Hughes, C., G. Malin, P. D. Nightingale, P. S. Liss. The effect of light stress on the release of volatile iodocarbons by three species of marine phytoplankton. Limnol. & Oceanogr., 51 (6): 2849-2854, 2006

Uher G., C. Hughes, G. Henry,  R. C. Upstill-Goddard. Non-conservative mixing behavior of colored dissolved organic matter in a humic-rich, turbid estuary. Geophys. Res. Lett., 28 (17): 3309-3312, 2001

Uher G., C. Hughes, G. Henry, R. C. Upstill-Goddard. Evidence for the absorptive removal of CDOM in a turbid estuary. EOS transactions, 80(49), OS144, 1999

External activities

Memberships

• 2010-present   Chair of the editorial board for Ocean Challenge the main publication of the Challenger Society for Marine Science
• 2010-present   Local representative, Challenger Society for Marine Science
• 2010-present   Council member for the Challenger Society for Marine Science
• 2011-present   Member of the COST/SOLAS working group on sea-ice biogeochemistry

Prizes and awards

• 2010     Awarded an honorary fellowship by the Challenger Society for Marine Sciences for her work on halogen biogeochemistry
• 2008    Norman Heaps award for best oral presentation, Challenger Society for Marine Science conference

Editorial duties

• Reviewer for Environmental Chemistry, Global Biogeochemical Cycles, Journal of Phycology, Marine Chemistry, Estuarine, Coastal and Shelf Science, Atmospheric Chemistry and Physics, Deep-Sea Research, and the Journal of Geophysical Research.