Eddy covariance flux observations at a semi-natural grassland on the Indo-Gangetic Plain

Morrison, Ross; Cooper, Hollie M. ORCID:; Evans, Jonathan G. ORCID:; George, Geet; Krishnan, Mithun; Sekhar, Muddu; Thornton, Jenna; Tripathi, Sachi; Taylor, Christopher; Turner, Andrew. 2018 Eddy covariance flux observations at a semi-natural grassland on the Indo-Gangetic Plain. [Poster] In: INCOMPASS BoBBLE & SWAAMI Science Meeting, Bangalore, India, 24-25 July 2018. (Unpublished)

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A new network of eddy covariance (EC) stations was established at a variety of semi-natural and managed ecosystems located across India during the INCOMPASS project. These new stations were installed to monitor surface-atmosphere fluxes of water, energy and carbon dioxide (CO2) and to provide supporting micrometeorological and soil physics observations. In this presentation, EC flux observations obtained at a semi-natural Phragmites-Saccharum-Imperata grassland on the Indo-Gangetic Plain are presented. The poster presents flux observations captured over two complete annual cycles. The grassland was characterised by a distinct seasonality. Latent heat dominated the turbulent energy flux during Monsoon, whereas sensible heat was the dominant turbulent flux during winter. The site experienced periodic flooding by waters from an adjacent irrigation canal as well as the removal of aboveground biomass during a wildfire in May 2017. Additional flood waters did not have a large influence on turbulent energy fluxes during inundation periods. Wildfire influenced fluxes in the period after the burn. Latent heat and net carbon gain recovered to pre-disturbance levels within a month of the wildfire.

Item Type: Publication - Conference Item (Poster)
UKCEH and CEH Sections/Science Areas: Hydro-climate Risks (Science Area 2017-)
NORA Subject Terms: Atmospheric Sciences
Date made live: 27 Jul 2018 13:12 +0 (UTC)

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