Date and time: 8th April 2024; 14:00 – 15:00 PM (CET)
Tenth webinar: “Ammonia deposition to tropical and temperate forest canopy layers”
The CLEANFOREST webinar series is hosted by the COST Action’s Young Researchers community for all interested researchers and practitioners during the second and fourth week of every month. For the Tenth event in the series we will be joined by Ajinkya Deshpande, from the UK Centre for Ecology and Hydrology.
Ammonia (NH3) pollution has emerged as a major cause of concern as atmospheric concentrations continue to increase globally. Environmentally damaging NH3 levels are expected to severely affect sensitive and economically important organisms, but evidence is lacking in many parts of the world. In this webinar, Ajinkya will describe the design and operation of a wind-controlled NH3 enhancement system to quantify deposition sinks within forest canopies. Ajinkya will discuss the establishment of NH3 enhancement systems in a temperate birch woodland in the UK and a tropical sub-montane forest in central Sri Lanka, both simulating real-world NH3 pollution conditions and application of a bi-directional resistance model. The findings of this work will focus on understanding how NH3 is transported within forest canopies and which canopy layers are the largest deposition sinks, thus putting associated organisms at risk of NH3 exposure. The experimental setup along with the resistance model has helped identify the fate of NH3 in forests where the gas enters the canopy laterally through the trunk space from nearby point sources and exposes the understorey to high NH3 levels. Lastly, Ajinkya will discuss how the spatiotemporal variation in atmospheric ammonia over Europe is being assessed in CLEANFOREST COST Action.
Please register via the link here.
Deadline: please sign-up via the registration link above before the webinar.
Contact:
- Presenter: Ajinkya Deshpande ajides@ceh.ac.uk
- Webinar convenor: Charlotte Angove charlotte.angove@luke.fi
- Webinar convenor: Andrei Popa popa.andrei.dorna@gmail.com
