Cor M. J. Jacobs

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Variability of annual CO2 exchange from Dutch Grasslands C. M. J. Jacobs, A. F. G. Jacobs, F. C. Bosveld, D. M. D. Hendriks, A. Hensen, P. S. Kroon, E. J. Moors, L. Nol, A. Schrier-Uijl, and E. M. Veenendaal Alterra, P.O. Box 47, 6700 AA Wageningen, The Netherlands Wageningen University, Meteorology and Air Quality Group, P.O. Box 47, 6700 AA Wageningen,(More)
A multiplicative and a semi-mechanistic, BWB-type [Ball, J.T., Woodrow, I.E., Berry, J.A., 1987. A model predicting stomatal conductance and its contribution to the control of photosynthesis under different environmental conditions. In: Biggens, J. (Ed.), Progress in Photosynthesis Research, vol. IV. Martinus Nijhoff, Dordrecht, pp. 221-224.] algorithm for(More)
Intensively managed grasslands on organic soils are a major source of nitrous oxide (N2O) emissions. The Intergovernmental Panel on Climate Change (IPCC) therefore has set the default emission factor at 8 kg N–N2O ha−1 year−1 for cultivation and management of organic soils. Also, the Dutch national reporting methodology for greenhouse gases uses a(More)
Agricultural use of plant protection products can result in exposure of bystanders, residents, operators and workers. Within the European Union (EU) FP7 project BROWSE, a tool based on a set of models and scenarios has been developed, aiming to assess the risk of exposure of humans to these products. In the present version of the tool only a first(More)
Raised bogs have accumulated more atmospheric carbon than any other terrestrial ecosystem on Earth. Climate-induced expansion of trees and shrubs may turn these ecosystems from net carbon sinks into sources when associated with reduced water tables. Increasing water loss through tree evapotranspiration could potentially deepen water tables, thus stimulating(More)
Significant non-linearity in nitrous oxide chamber data and its effect on calculated annual emissions P. C. Stolk, C. M. J. Jacobs, E. J. Moors, A. Hensen, G. L. Velthof, and P. Kabat Earth System Science and Climate Change Group, Wageningen University, Wageningen, The Netherlands Alterra, Wageningen University and Research Centre Wageningen, The(More)
This paper gives a brief overview of factors determining evapotranspiration of vegetated surfaces. It indicates which of these factors are sensitive to CO2 enrichment. A qualitative analysis is presented of the impact of large scale climate changes. Data in literature indicate that the surface resistance of vegetated areas may change within the range −25%(More)
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