Abstract
Area frame sampling is an important tool for area change estimation in agricultural and environmental problems. The cost-efficiency of the unit size chosen for the survey can be assessed through the intracluster correlations of some ancillary variates on elementary units. Intracluster correlations can be written as weighted average of correlogram values on the same units.
This approach is being applied in two large scale projects: crop area change estimation in the European Union, where the current sampling design may be improved with the information collected in previous years, and forest assessmen by photo-interpretation of a sample of satellite images in the area including Europe and the former USSR. This operation should be carried out for the first time in 1999–2000.
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Gallego, F.J., Feunette, I., Carfagna, E. (1999). Optimising The Size of Sampling Units in an Area Frame. In: Gómez-Hernández, J., Soares, A., Froidevaux, R. (eds) geoENV II — Geostatistics for Environmental Applications. Quantitative Geology and Geostatistics, vol 10. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-9297-0_33
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DOI: https://doi.org/10.1007/978-94-015-9297-0_33
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