Gesa Meyer
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View article: Impact of topography and meteorological forcing on snow simulation in the Canadian Land Surface Scheme Including Biogeochemical Cycles (CLASSIC)
Impact of topography and meteorological forcing on snow simulation in the Canadian Land Surface Scheme Including Biogeochemical Cycles (CLASSIC) Open
Our study evaluates the impacts of an alternate snow cover fraction (SCF) parameterization on snow simulation in the Canadian Land Surface Scheme Including Biogeochemical Cycles (CLASSIC). Three reanalysis-based meteorological datasets are…
View article: Parameter Optimization for Global Soil Carbon Simulations: Not a Simple Problem
Parameter Optimization for Global Soil Carbon Simulations: Not a Simple Problem Open
Accurate simulation of soil organic carbon (SOC) dynamics by terrestrial biosphere models is hampered by poorly constrained parameters and parameter equifinality, amongst other issues. To address this, we use Bayesian optimization to const…
View article: CMIP7 Data Request: Land and Land Ice Priorities and Opportunities
CMIP7 Data Request: Land and Land Ice Priorities and Opportunities Open
The Land and Land Ice Theme in the Coupled Model Intercomparison Project Phase 7 (CMIP7) represents the current understanding of physical processes in land surface ecosystems, hydrology, cryosphere, and their physical interactions with oth…
View article: Network of networks: Time series clustering of AmeriFlux sites
Network of networks: Time series clustering of AmeriFlux sites Open
Environmental observation networks, such as AmeriFlux, are foundational for monitoring ecosystem response to climate change, management practices, and natural disturbances; however, their effectiveness depends on their representativeness f…
View article: Impact of topography and meteorological forcing on snow simulation in the Canadian Land Surface Scheme Including Biogeochemical Cycles (CLASSIC)
Impact of topography and meteorological forcing on snow simulation in the Canadian Land Surface Scheme Including Biogeochemical Cycles (CLASSIC) Open
Our study evaluates the impacts of an alternate snow cover fraction (SCF) parameterization on snow simulation in the Canadian Land Surface Scheme Including Biogeochemical Cycles (CLASSIC). Three reanalysis-based meteorological datasets are…
View article: Disruption and recovery of carbon dioxide and water vapour exchange over British Columbia forests after natural and human disturbance
Disruption and recovery of carbon dioxide and water vapour exchange over British Columbia forests after natural and human disturbance Open
Globally, forests are facing a wide range of disturbances that significantly impact carbon dioxide (CO2) and water vapour exchange. In British Columbia (BC), Canada, coastal Douglas-fir and interior lodgepole pine are two of the most commo…
View article: Simulating net ecosystem exchange under seasonal snow cover at an Arctic tundra site
Simulating net ecosystem exchange under seasonal snow cover at an Arctic tundra site Open
Estimates of winter (snow-covered non-growing season) CO2 fluxes across the Arctic region vary by a factor of 3.5, with considerable variation between measured and simulated fluxes. Measurements of snow properties, soil temperatures, and n…
View article: An increasing Arctic-boreal CO<sub>2</sub>sink offset by wildfires and source regions
An increasing Arctic-boreal CO<sub>2</sub>sink offset by wildfires and source regions Open
The Arctic-Boreal Zone (ABZ) is rapidly warming, impacting its large soil carbon stocks. We use a new compilation of terrestrial ecosystem CO 2 fluxes, geospatial datasets and random forest models to show that although the ABZ was an incre…
View article: Global Carbon Budget 2023
Global Carbon Budget 2023 Open
Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere in a changing climate is critical to better understand the global carbon cycle, support the…
View article: Global Carbon Budget 2023
Global Carbon Budget 2023 Open
Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere in a changing climate is critical to better understand the global carbon cycle, support the…
View article: Supplementary material to "Simulating net ecosystem exchange under seasonal snow cover at an Arctic tundra site"
Supplementary material to "Simulating net ecosystem exchange under seasonal snow cover at an Arctic tundra site" Open
eddy covariance data PI), and Gabriel Hould Gosselin (ghouldgosselin
View article: Simulating net ecosystem exchange under seasonal snow cover at an Arctic tundra site
Simulating net ecosystem exchange under seasonal snow cover at an Arctic tundra site Open
Estimates of winter (snow-covered non-growing season) CO2 fluxes across the Arctic region vary by a factor of three and a half, with considerable variation between measured and simulated fluxes. Measurements of snow properties, soil temper…
View article: <scp>Pan‐Arctic</scp> soil moisture control on tundra carbon sequestration and plant productivity
<span>Pan‐Arctic</span> soil moisture control on tundra carbon sequestration and plant productivity Open
Long‐term atmospheric CO 2 concentration records have suggested a reduction in the positive effect of warming on high‐latitude carbon uptake since the 1990s. A variety of mechanisms have been proposed to explain the reduced net carbon sink…
View article: Inclusion of a dry surface layer and modifications to the transpiration and canopy evaporation partitioning in the Canadian Land Surface Scheme Including biogeochemical Cycles (CLASSIC)
Inclusion of a dry surface layer and modifications to the transpiration and canopy evaporation partitioning in the Canadian Land Surface Scheme Including biogeochemical Cycles (CLASSIC) Open
Land surface/Earth System models depend upon accurate simulation of evapotranspiration (ET) to avoid excessive biases in simulated energy, water, and carbon cycles. The Canadian Land Surface Scheme including biogeochemical Cycles (CLASSIC)…
View article: Inclusion of a dry surface layer and modifications to the transpiration and canopy evaporation partitioning in the Canadian Land Surface Scheme Including biogeochemical Cycles (CLASSIC)
Inclusion of a dry surface layer and modifications to the transpiration and canopy evaporation partitioning in the Canadian Land Surface Scheme Including biogeochemical Cycles (CLASSIC) Open
The files provided here include the source code of the Canadian Land Surface Scheme Including biogeochemical Cycles (CLASSIC; https://cccma.gitlab.io/classic_pages/) v1.2 for the Baseline CLASSIC as well as versions including a dry surface…
View article: On the Discretization of Richards Equation in Canadian Land Surface Models
On the Discretization of Richards Equation in Canadian Land Surface Models Open
Formulae display:?Mathematical formulae have been encoded as MathML and are displayed in this HTML version using MathJax in order to improve their display. Uncheck the box to turn MathJax off. This feature requires Javascript. Click on a f…
View article: On the Discretization of Richards Equation in Canadian Land Surface Models
On the Discretization of Richards Equation in Canadian Land Surface Models Open
The files provided here include the source code of the Canadian Land Surface Scheme Including biogeochemical Cycles (CLASSIC; https://cccma.gitlab.io/classic_pages/) v1.1, initialization files and meteorological measurements used to force …
View article: The ABCflux database: Arctic–boreal CO <sub>2</sub> flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems
The ABCflux database: Arctic–boreal CO <sub>2</sub> flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems Open
Past efforts to synthesize and quantify the magnitude and change in carbon dioxide (CO2) fluxes in terrestrial ecosystems across the rapidly warming Arctic–boreal zone (ABZ) have provided valuable information but were limited in their geog…
View article: Earlier Snowmelt May Lead to Late Season Declines in Plant Productivity and Carbon Sequestration in Arctic Tundra Ecosystems
Earlier Snowmelt May Lead to Late Season Declines in Plant Productivity and Carbon Sequestration in Arctic Tundra Ecosystems Open
Arctic warming is affecting snow cover and soil hydrology, with consequences for carbon sequestration in tundra ecosystems. The scarcity of observations in the Arctic has limited our understanding of the impact of covarying environmental d…
View article: Comment on essd-2021-233
Comment on essd-2021-233 Open
Abstract. Past efforts to synthesize and quantify the magnitude and change in carbon dioxide (CO2) fluxes in terrestrial ecosystems across the rapidly warming Arcticâboreal zone (ABZ) have provided valuable information but were limited i…
View article: Comment on essd-2021-233
Comment on essd-2021-233 Open
Abstract. Past efforts to synthesize and quantify the magnitude and change in carbon dioxide (CO2) fluxes in terrestrial ecosystems across the rapidly warming Arcticâboreal zone (ABZ) have provided valuable information but were limited i…
View article: The ABCflux database: Arctic-Boreal CO <sub>2</sub> flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems
The ABCflux database: Arctic-Boreal CO <sub>2</sub> flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems Open
Past efforts to synthesize and quantify the magnitude and change in carbon dioxide (CO2) fluxes in terrestrial ecosystems across the rapidly warming Arctic-Boreal Zone (ABZ) have provided valuable information, but were limited in their geo…
View article: The ABCflux Database: Arctic-Boreal CO2 Flux and Site Environmental Data, 1989-2020
The ABCflux Database: Arctic-Boreal CO2 Flux and Site Environmental Data, 1989-2020 Open
This Arctic-Boreal CO2 fluxes (ABCflux) dataset contains monthly aggregates of terrestrial net ecosystem CO2 exchange and its derived partitioned component fluxes: gross primary productivity (GPP) and ecosystem respiration. Over 70 support…
View article: Simulating shrubs and their energy and carbon dioxide fluxes in Canada's Low Arctic with the Canadian Land Surface Scheme Including Biogeochemical Cycles (CLASSIC)
Simulating shrubs and their energy and carbon dioxide fluxes in Canada's Low Arctic with the Canadian Land Surface Scheme Including Biogeochemical Cycles (CLASSIC) Open
Climate change in the Arctic is leading to shifts in vegetation communities, permafrost degradation and alteration of tundra surface–atmosphere energy and carbon (C) fluxes, among other changes. However, year-round C and energy flux measur…