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Main Title Alternative Ozone Dose Metrics to Characterize Ozone Impact on Crop Yield Loss (Journal Version).
Author Rawlings, J. O. ; Lesser, V. M. ; Heagle, A. S. ; Heck, W. W. ;
CORP Author North Carolina State Univ. at Raleigh. ;North Carolina Agricultural Research Service, Raleigh.;Corvallis Environmental Research Lab., OR.
Publisher c1988
Year Published 1988
Report Number EPA/600/J-88/251;
Stock Number PB89-151492
Additional Subjects Ozone ; Exposure ; Farm crops ; Air pollution ; Soybean plants ; Solar radiation ; Concentration(Composition) ; Dosage ; Mathematical models ; Response ; Seasonal variations ; Yield ; Tobacco plants ; Environmental impacts ; Tables(Data) ; Reprints ;
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NTIS  PB89-151492 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 9p
Abstract Previous studies of the National Crop Loss Assessment Network (NCLAN) relating the impact of ozone (O3) on agricultural crops have used the seasonal arithmetic average of O3 for either a 7- or 12-h daily period as the measure of dose in the dose response relationships. The study investigated the use of alternative dose metrics that gave differential weighting to hourly O3 concentrations according to level of O3, period of day, or total hourly solar radiation. Data were used from two NCLAN studies in which two different methods of O3 addition were used for 7 h/d. In addition, one study included 12 h/d exposure for one method of O3 addition. The residual sums of squares from fitting a common Weibull response model to each experiment were compared over the range of dose metrics. Weighting by total hourly solar radiation gave results very similar to the best obtained from differential peak-valley weighting and 7 h:5 h weighting.
Supplementary Notes Pub. in Jnl. of Environmental Quality, v17 n2 p285-291 1988. Prepared in cooperation with North Carolina Agricultural Research Service, Raleigh. Sponsored by Corvallis Environmental Research Lab., OR.
NTIS Title Notes Journal article.
Title Annotations Reprint: Alternative Ozone Dose Metrics to Characterize Ozone Impact on Crop Yield Loss (Journal Version).
Category Codes 68A; 98D
NTIS Prices PC A02/MF A01
Primary Description 600/02
Document Type NT
Cataloging Source NTIS/MT
Control Number 910442952
Origin NTIS
Type CAT