Introduction    •    Objectives    •    Research Questions    •    Methodology

The proposed project will be structured along five work-packages:


  1. 1. Work Package One: will address the influence of PBL dynamics and mixing processes on GHG concentrations observed within that same PBL. It will monitor continuous time series of PBL height and its driving variables at a number of locations in the Netherlands. It will perform specific experiments addressing those aspects of PBL currently most limiting the progress in modeling and understanding. It will develop improved parameterizations for mesoscale models reflecting existing and new understanding.

  2. 2. Work Package Two: will monitor, continuously and with high precision concentrations of GHGs (CH4, CO2, N2O, SF6, CO, HFC and Rn) at two sites and at several levels using tall towers. It will provide daily assessments (maps) of the source area for the measurements through backward trajectories. It will further develop a method to identify trends in long time series of observations using advanced filter techniques to separate the contributions from global scale regional and local scale.

  3. 3. Work Package Three: will provide flux fields as input to the inversion models based on airborne flux observations, spatially explicit land surface models and input from inventory based methods. Airborne sampling strategies covering major Dutch landscapes and full seasonal cycles will be developed, as well as novel ways to scale these data and use them to calibrate the 2D LSMs.

  1. 4. Work Package Four: will further develop the necessary forward (3D atmospheric) models providing the transport terms and source-receptor matrices for the inverse methods. It will further develop inversion algorithms allowing ingestion of the full suite of measurements made in WP2 and 3. Both eulerian and lagrangian approaches will be used.

  2. 5. Work Package Five: will integrate the information from the other WPs directed at producing an annual, nation wide GHG budget constrained by atmospheric observations, and while doing so develop a protocol to provide an independent reference estimate for the verification of national emissions, that allows to determine the accuracy and credibility of the UNFCCC and Kyoto reports.

  3. 6. Work Package Six (in Dutch).


The first five work packages, their mutual relations and relations to other CcSP-projects are given in the following figure:

Click on figure to zoom

A complete PDF-version of the project proposal (excl. Work Package Six) can be downloaded here.