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Most satellites provide, at best, a single daily snapshot of vegetation and, at worst, these snapshots may be separated by periods of many days when the ground was obscured by cloud cover. Since vegetation carbon exchange can be very dynamic on diurnal and day-to-day timescales, the limited...
Rust infection on wheat leaves can induce a large decrease in crop yield. It is, therefore, important to understand the processes involved in order to forecast and manage disease impact. A model describing the effects of disease on whole crop photosynthesis is presented. The model is based on...
The spatial and temporal dynamics of soil temperature ( T SOIL ) strongly influence a wide range of biotic and abiotic processes in boreal forests. Relatively few spatial and temporal T SOIL measurements have been made in these systems; in addition, not all ecosystem models take into account the...
Seven methods for estimating daily global radiation, R G , were tested in the Central Europe case study area (lowlands of Austria and the Czech Republic) assuming that no measured global radiation data for parameterisation are available, i.e. with all empirical coefficients required by the...
Carbon dioxide exchange was quantified in maize–soybean agroecosystems employing year-round tower eddy covariance flux systems and measurements of soil C stocks, CO 2 fluxes from the soil surface, plant biomass, and litter decomposition. Measurements were made in three cropping systems: (a)...
Forest carbon exchange contributes significantly to the global carbon balance and is therefore being monitored around the world, most notably using eddy covariance technology. In order to extrapolate from these measurements, we need to understand why carbon balance (or net ecosystem production,...
This study investigated the contribution of land surface evapotranspiration to the atmospheric water balance for the agricultural region of the Canadian Prairies by estimating the recycling ratios, including the moistening and precipitation efficiencies, for drought areas, for areas which...
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