Arctic mercury cycling

A Dastoor, H Angot, J Bieser, JH Christensen… - Nature Reviews Earth & …, 2022 - nature.com
Anthropogenic mercury (Hg) emissions have driven marked increases in Arctic Hg levels,
which are now being impacted by regional warming, with uncertain ecological …

Organics in environmental ices: sources, chemistry, and impacts

VF McNeill, AM Grannas, JPD Abbatt… - Atmospheric …, 2012 - acp.copernicus.org
The physical, chemical, and biological processes involving organics in ice in the
environment impact a number of atmospheric and biogeochemical cycles. Organic material …

Mercury isotopes reveal atmospheric gaseous mercury deposition directly to the Arctic coastal snowpack

TA Douglas, JD Blum - Environmental Science & Technology …, 2019 - ACS Publications
Springtime atmospheric mercury depletion events (AMDEs) lead to snow with elevated
mercury concentrations (> 200 ng Hg/L) in the Arctic and Antarctic. During AMDEs gaseous …

The chemical composition of surface snow in the Arctic: Examining marine, terrestrial, and atmospheric influences

L Krnavek, WR Simpson, D Carlson, F Domine… - Atmospheric …, 2012 - Elsevier
We collected surface snow samples during three years (2004, 2005, and 2007) in Arctic
Alaska and from the adjoining frozen Arctic Ocean during springtime in environments that …

Can we model snow photochemistry? Problems with the current approaches

F Domine, J Bock, D Voisin… - The Journal of Physical …, 2013 - ACS Publications
Snow is a very active photochemical reactor that considerably affects the composition and
chemistry of the lower troposphere in polar regions. Snow photochemistry models have …

Frost flowers growing in the Arctic ocean‐atmosphere–sea ice–snow interface: 1. Chemical composition

TA Douglas, F Domine, M Barret… - Journal of …, 2012 - Wiley Online Library
Frost flowers, intricate featherlike crystals that grow on refreezing sea ice leads, have been
implicated in lower atmospheric chemical reactions. Few studies have presented chemical …

Classification of ice particle shapes using machine learning on forward light scattering images

CG Schmitt, E Järvinen, M Schnaiter… - … Intelligence for the …, 2024 - journals.ametsoc.org
Abstract Machine learning (ML) has rapidly transitioned from a niche activity to a mainstream
tool for environmental research applications including atmospheric science cloud …

Structure, specific surface area and thermal conductivity of the snowpack around Barrow, Alaska

F Domine, JC Gallet, J Bock… - Journal of Geophysical …, 2012 - Wiley Online Library
The structure of the snowpack near Barrow was studied in March–April 2009. Vertical
profiles of density, specific surface area (SSA) and thermal conductivity were measured on …

Carbonaceous species and humic like substances (HULIS) in Arctic snowpack during OASIS field campaign in Barrow

D Voisin, JL Jaffrezo, S Houdier… - Journal of …, 2012 - Wiley Online Library
Snowpacks contain many carbonaceous species that can potentially impact on snow albedo
and arctic atmospheric chemistry. During the OASIS field campaign, in March and April …

Snow‐borne nanosized particles: Abundance, distribution, composition, and significance in ice nucleation processes

RB Rangel‐Alvarado, Y Nazarenko… - Journal of Geophysical …, 2015 - Wiley Online Library
Physicochemical processes of nucleation constitute a major uncertainty in understanding
aerosol‐cloud interactions. To improve the knowledge of the ice nucleation process, we …