7-9 May – TF HTAP meeting

Venue May 7, 2025:
RIFS Research Institute for Sustainability at GFZ
Ballsaal (Villa)
Berliner Straße 130
D-14467 Potsdam

Venue May 8/9, 2025:
WIS (Wissenschaftsetage Potsdam)
4th Floor
Am Kanal 47
D-14467 Potsdam

Agenda

Task Force on Hemispheric Transport of Air Pollution
	7-9 May 2025, Potsdam, Germany
Wednesday, 7 May 2025
	Venue: Research Institute for Sustainability (RIFS), Berlinerstraße 130, 14467 Potsdam
	8:30		Registration and coffee
			TFMM-TFHTAP Joint Session
	9:00			Welcome, Overview, and Experiment Design	Tim Butler
	9:30			GAINS Emission Scenarios Overview	Zig Klimont
	10:00			HTAP2 Regional Modelling Results and Questions for HTAP3	Terry Keating
	10:30		Break
	11:00			Initial results from MSC-W using the GAINS emission scenarios	Hilde Fagerli
	11:30			Discussion (Regional Modeller’s Interests and Needs)
	12:30			Discussion (Potential future areas of collaboration for TFMM and TFHTAP)
	13:00		Lunch
			Global PFAS Modelling Initiative
	14:00			Welcome and Introduction	Johannes Bieser, Martin Ramacher
	14:15			Overview of PFAS Observations in Air and Water	Lutz Ahrens
	14:30			PFAS in Arctic Water	Rainer Lohmann
	14:45			Outlook on PFAS in Marine Biota	Anne Soerensen
	15:00			sumPFAS: Tracing new per- and polyfluoroalkyl substances	Jan Koschorreck
	15:10			European Environmental Databases for PFAS	Niole Bandow
	15:20			Discussion
	15:45		Break
	16:00			Process-Specific Insights into Global Cycling of PFAS	Ian Cousins
	16:15			POPE: PFAS Emissions Inventory	Pascal Simon
	16:30			Regional Atmospheric PFAS Modeling	Emma D’Ambro
	16:45			Global Atmospheric PFAS Modeling	Colin Thackray
	17:00			Multi-compartment PFAS Modeling	Johannes Bieser
	17:15			Discussion
	17:45			Wrap up
	18:00		Adjourn for the Day
Thursday, 8 May 2025
	Venue: Wissenschaftsetage im Bildungsforum Potsdam (WIS), Am Kanal 47, 14467 Potsdam
	8:30		Registration and coffee
			Progress of HTAP3/OPNS
	9:00			Context for OPNS:  Revision of the Gothenburg Protocol	Tim Butler
	9:20			Input Datasets, Output Formats, and Data Archive	Tim Butler
	9:40			Discussion
	10:00		Break
				Planned and potential analyses
	10:30			Ensemble Emulation using Souce/Receptor Relationships	Oliver Wild
	10:50			Health Impacts	Claudio Belis
	11:10			Vegetation impacts	Katrina Sharps
	11:30			Chemistry/Climate Interactions	Zosia Staniaszek
	12:00		Lunch
	13:30			Tropospheric Ozone Burdens and Budgets	Paul Griffiths
	13:50			Deposition	Joshua Fu
	14:10			Model Evaluation	Amy Christiansen
	14:30			Discussion
	15:00		Break
			Progress of HTAP3/FIRES for SLCFs
	15:30		Overview of HTAP3/Fires, Inputs, Outputs		Cyndi Whaley
	15:50			The EDGAR-HTAPv3.1 global mosaic emission inventory	Monica Crippa
	16:05			The GFAS4HTAP biomass burning inventory	Johannes Kaiser
	16:20			Emissions from future fires	Douglas Hamilton
			Connection to Other Work
	16:35			BBurned and EF Uncertainty	Rebecca Buchholz
	16:50			Fire Influence on Ozone Production Regime	Yang Li
	17:05			Aerocom Biomass Burning Experiments	Mariya Petrenko
	17:20		Discussion
	18:00		Adjourn for the Day
	18:30		Social dinner, rooftop terrace at WIS
Friday, 9 May 2025
	Venue: Wissenschaftsetage im Bildungsforum Potsdam (WIS), Am Kanal 47, 14467 Potsdam
			Progress of HTAP3/MCHgMAP
	9:00			Overview of MCHgMAP Design and Experiments	Oleg Travnikov
	9:15			EGDAR Global Mercury Emissions Inventory	Marilena Muntean
	9:30			A New IIASA Global Mercury Emissions Inventory	Flora Brocza
	9:45			Anthropogenic, Geogenic, & Secondary Emissions: Recent Updates & Ongoing Challenges	Eric Roy
	10:00		Break
	10:30			Overview of Atmospheric Modelling Results	Oleg Travnikov
	10:45			Ocean Measurements for Model Evaluation	Anne Soerensen
	11:00			Overview of Ocean Modelling Results	Johannes Bieser
	11:15			Analysis of Trends of Atmospheric Mercury and Potential Drivers	Ari Feinberg
	11:30			Trend and Uncertainty Analysis of Reactive Mercury	Jan Gačnik
	11:45		Discussion
	12:00		Lunch
			Progress of HTAP3/FIRES for Hg, BaP, PCDD/Fs
	13:30			Overview of HTAP3/Fires, Inputs, Outputs	Terry Keating
	13:50			Initial Challenges and Observations	Tao Huang
	14:10			Quantifying the Wildfire Contribution to PAH Concentrations and Health Effects	Lexia Cicone
	14:30			AMAP POPs/EC Trends Assessment and other connections	Paul Bartlett
	14:50		Discussion
	15:30		Break
			Next Steps
	16:00			Next Steps for Global PFAS Modeling Initiative	Johannes Bieser, Martin Ramacher
	16:30			TF HTAP 2025-27 Work Plan and Beyond	Tim Butler and Terry Keating
	17:30		Adjourn Meeting

In this meeting we will discuss progress in the current HTAP work plan, as well as collect ideas for the This meeting will be immediately preceded by a meeting of the CLRTAP Task Force on Measurements and Modelling (https://emep-ccc.nilu.no/tfmm), and will include a joint session on Wednesday, May 7 for discussion of global-to-regional coupling of model simulations in the OPNS exercise. Registration for the TFMM meeting should be done separately via the TFMM website. Please register for the HTAP meeting here.

The event will be broadcast live via the Zoom application.
If you would like to participate in the event online, please register here: https://eveeno.com/htaponline

You will receive the dial-in data for the online conference room with the registration confirmation for the online event.
If you would like to attend the face-to-face event, please register using the button below.