Global Organizational Collaboration

The Dynamic Land Ecosystem Model (DLEM) plays a central role in several major international research initiatives that aim to better quantify and predict changes in the Earth’s carbon–nitrogen–water cycles. Through its fully integrated biogeochemical and land-process modeling framework, DLEM contributes to global assessments of greenhouse gas emissions, land–atmosphere interactions, and ecosystem responses to climatic and anthropogenic drivers.The Dynamic Land Ecosystem Model (DLEM) plays a central role in several major international research initiatives that aim to better quantify and predict changes in the Earth’s carbon–nitrogen–water cycles. Through its fully integrated biogeochemical and land-process modeling framework, DLEM contributes to global assessments of greenhouse gas emissions, land–atmosphere interactions, and ecosystem responses to climatic and anthropogenic drivers.

Global Land Nitrogen Budget (N) – Model Intercomparison Project (MIP)

The Global Nitrogen Budget (N) – Model Intercomparison Project (MIP) is an international partnership aimed at Modeling, Accounting, and Predicting (MAP) the global land N/N2O budget and nitrogen–carbon (N–C) dynamics. This is achieved through Terrestrial Biosphere Model (TBM) intercomparison and integrated TBM–data synthesis, under the umbrella of the Global Carbon Project (GCP) and the International Nitrogen Initiative (INI).

Global Carbon Project (GCP)

The Global Carbon Project (GCP) integrates knowledge of greenhouse gases for human activities and the Earth system. Its initiatives include global budgets for the three dominant greenhouse gases — carbon dioxide, methane, and nitrous oxide — as well as complementary assessments of urban, regional, cumulative, and negative emissions.

Global Methane Budget

Understanding and quantifying the global methane (CH₄) budget is essential for assessing realistic pathways to mitigate climate change. CH₄ is the second most important human-influenced greenhouse gas in terms of climate forcing after carbon dioxide (CO₂), and both emissions and atmospheric concentrations of CH₄ have continued to rise since 2007 following a temporary plateau.

INMS: The International Nitrogen Management System

The International Nitrogen Management System (INMS) is an integrated global initiative designed to improve our understanding of nitrogen flows, optimize nitrogen use efficiency, and reduce the negative impacts of excess reactive nitrogen on the environment and society. INMS brings together scientists, policymakers, and stakeholders to co-develop solutions for sustainable nitrogen management across scales.

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