Votes and proceedings of the General Assembly of the state of New-Jersey . CRS-287 F-8 AN OVERVIEW OF OZONE-REDUCTION ESTIMATES Summary of CIAP calculations of percent total ozone reduction from a uniformlydistributed stratospheric NOx source at 20 km. The circled 1 data pointsidentify Johnstons original photochemical equilibrium (OD) calculations. Theother models assume 1D vertical transport except for the 2D (vertical andlatitudinal) transport models of Hesstvedt. Vupputun. Widhopf and Brasseur andBerlin and the 3D (MIT) model of Cunnold et al Numbers in parentheses denotereference numbers i
Votes and proceedings of the General Assembly of the state of New-Jersey . CRS-287 F-8 AN OVERVIEW OF OZONE-REDUCTION ESTIMATES Summary of CIAP calculations of percent total ozone reduction from a uniformlydistributed stratospheric NOx source at 20 km. The circled 1 data pointsidentify Johnstons original photochemical equilibrium (OD) calculations. Theother models assume 1D vertical transport except for the 2D (vertical andlatitudinal) transport models of Hesstvedt. Vupputun. Widhopf and Brasseur andBerlin and the 3D (MIT) model of Cunnold et al Numbers in parentheses denotereference numbers in this A IA articlelOOrr. —— — Neglect* HNO3 Pofmotion —— Adopt** for ClAP Calculations Jortnsron (9)2-Crutzen(lO)3-HeaitvedtOO4-Chang I<Z)5-St*wart aHoff*rt(l3)*) iSTurcotlS) 8- Snimazaki 8 Ogovo (16) 9- Connold etal- (17)0 Vupputun 08) i- (19;i2- Human (20)13- Bras&eur S Berlin (20 IO(I09kg/yr) Global NOx Emission unperturbed (spun up) atmospherescomposition marks the initial state torpurposes of computing ozone depletioncaused by SST emissions. The SSTexhaust (source strength. S. in gramsper year) is tvpicallv given bv:5 = 8766 NnFHEl)with V the number of aircraft, n the number of engines per aircraft. F themass of fuel flow per engine in kg h-. fthe fraction of the day that each air-craft stays at cruise height, the emissionindex (El) the number 0 grams ofexhaust component per kilogram offuel burned, and S^bb the averagenumber of hours in a year. The analyst adds the NOx computed in this way tothe relevant species-conservationequation at the specified cniise altitude
Size: 2048px × 1220px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthornewjerseylegislaturegeneralassembly, bookidproceed00n
