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Statistical Methods for the Environmental Sciences: A by C. Borrego, C. A. Pio (auth.), A. H. El-Shaarawi (eds.)

By C. Borrego, C. A. Pio (auth.), A. H. El-Shaarawi (eds.)

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Read or Download Statistical Methods for the Environmental Sciences: A Selection of Papers Presented at the Conference on Environmetrics, held in Cairo, Egypt, April 4–7, 1989 PDF

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Additional info for Statistical Methods for the Environmental Sciences: A Selection of Papers Presented at the Conference on Environmetrics, held in Cairo, Egypt, April 4–7, 1989

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090). The central limit theorem provides the equations reported and estimated upper (lower) bounds are reported in Table IV for sample sizes 2: 10. The limiting values are functions of a, the standard deviation of the coliform counts 100 mL-1 in the sampled water system. 34 IlO. \f , Not available. 90 likelihood. d. across sampled sites across time. 90 probability are monotone decreasing (with n within test) for TRUE AND FALSE POSITIVE RATES [51] 129 the sample sizes investigated here. 90 likelihood as n Increases.

We can compare these projected figures with the standard of 1400 acid equivalents per hectare per year that is often assumed to reflect a deposition level that avoids major damage to pine forests (see also Section 6). It is then obvious that this standard of 1400 acid equivalents per hectare is still largely exceeded in the following countries: Austria, Belgium, Bulgaria, Czechoslovakia, German Democratic Republic, Federal Republic of Germany, Hungary, Italy, The Netherlands, Poland, Switzerland, The United Kingdom and Yugoslavia.

For abatement cost curves see for example OECD (1988). + 1 acid equivalent is defined as 1 mol H+ potential acid; 1 ton S02 21500 acid equivalents; lIon NH) = 59000 acid equivalents. = 31500 acid equivalenls; 1 Ion NO, = 104 [26] EKKO C. VAN (ERLAND 700 l 500 UJ +oJ UJ . ~ 0 ..... -. -i Q) ..... +oJ ..... 0 E ~~ 100 100 300 500 Emission Reduction (ton S02 x 1000) Fig. I. An example of the stepwise linear abatement cost function for S02 for Belgium in 1995. In the model, the dispersion of acidifying substances via the atmosphere is calculated by means of the emitter-receptor matrices of EMEP (1981 and 1988).

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