LOICZ BIOGEOCHEMICAL   MODELLING NODE

    Table of Contents (click on an item to go to the indicated page)

• LOICZ home page (International Program Office, Texel, The Netherlands)
• LOICZ Biogeochemical Modelling Node home page (Stockholm University, Stockholm, Sweden)

        Methodological Guidelines

• Introduction and background
• Definitions of key terms in the LOICZ budgeting calculations
• Overview of the budgeting procedure
• Scaling and how to set boundaries of a system
• Water and salt budgets

- Systems in Series

-A non-budgetary estimate of Vx

- Stratified (2-layer) systems

- Seasonal variation

- Spatial and temporal variation and averaging

- Estimating precipitation and evaporation

    Penman's equation

    Hargreaves' equation

    Hamon's equation

- An estimator of runoff

- Estimating flows from groundwater

    Groundwater flux to the ocean: Definitions, data, applications, uncertainties by R.W. Buddemeier

    Methods for using multiple tracers (e.g. Si and salinity) to estimate groundwater flux

• Nutrient budgets

          - Estimating nutrient inputs from agriculture and other human activities

                 Inputs from point sources (sewage and other waste loads)

                 Effluent discharge coefficients.

            - Estimating nutrient inputs from the atmosphere

• Introduction to CABARET (Computer Assisted Budget Analysis for Research, Education, and Training)

        - CABARET Software

• Stoichiometric Calculations
• "Rules of Thumb" for constructing budgets
• Downloadable budget templates (excel spreadsheets) and guidelines for reports
• Powerpoint presentations summarizing aspects of the methodology

            - Overview (en Español)

               - Tutorial with examples

            - Runoff (river flow) Estimation (en Español)

            - Nutrient Loads in waste

                   - CABARET (Computer Assisted Budget Analysis for Research, Education, and Training)

• References
• Contributors

        Budgets of Coastal Ecosystems

• Africa
• Australia and New Zealand
• Central and South America      
• Europe        
• Japan, the Philippines and Southeast Asia
• East Asia and Japan
• South Asia  
• Mexico      
• North America and the Pacific  
• North Polar Region     

Back to [Node Introduction] [LOICZ]

Last Updated 12 May 2009 by DPS