mike newchurch atmospheric science department university of alabama in huntsville

1Mike3/papers/tropoz/aguf98 12/2/98 16:30

Upper-Stratospheric Ozone Trends

Presented at

IOC/SPARCWorkshop for Understanding Ozone Trends

University of MarylandMarch 7-9, 2001

Mike NewchurchAtmospheric Science Department

University of Alabama in HuntsvilleAtmospheric Chemistry Division

NCARmike@nsstc.uah.edu

Derek CunnoldEun-Su Yang

Georgia Tech

Outline

• Upper Stratospheric Ozone Trends from SAGE(I/II), SBUV(/2), Umkehr through 1978-1998

• SAGE II V6.0 Trends and Recovery Histograms 1984-2000• HALOE Ozone Trends 1991-2000• HALOE HF and HCl Trends 1991-2000 • Total Ozone Trends and Recovery Histograms from Stolarski’s merged

dataset 1978-2000

Upper Stratospheric OzoneTrends from SAGE(I/II), SBUV(/2),

Umkehrthrough 1998

• Results of the previous IOC/SPARC Trends Assessment through 1998 published in JGR and Science.

– Newchurch, M.J., L. Bishop, D.M. Cunnold, L.E. Flynn, S. Godin, S.H. Frith, L. Hood, A.J. Miller, S. Oltmans, W. Randel, G. Reinsel, R. Stolarski, R. Wang, E.S. Yang, and J.M. Zawodny, Upper-stratospheric ozone trends 1979-1998, J. Geophys. Res., 105, 14,625-14,636, 2000a.

– Randel, W.J., R.S. Stolarski, D.M. Cunnold, J.A. Logan, M.J. Newchurch, and J.M. Zawodny, Trends in the Vertical Distribution of Ozone, Science, 285, 1689-1692, 1999.

• Comparison of stratospheric ozone trends from Arosa Umkehr observations 1979-1996 and 1996-2000 by Standard and MARCH models: MARCH error bars are smaller.

– Newchurch, M.J., E.S. Yang, D.M. Cunnold, J. Staehelin, H. Jaeger, and A.K. Weiss, A multivariate auto-regressive combined-harmonics time-series analysis of Dobson Umkehr ozone profiles at Arosa, Switzerland, 1979-1996, J. of Climate, Submitted, 2000b.

All JGR Figs.All MARCH Figs.

All Science Figs.

SAGE II V6.0 Trends and Recovery Histograms

• SAGE II V6.0 Ozone Trends

• SAGE II V6.0 Recovery statistics

• SAGE II V6.0 QBO signal

HALOE Ozone Trends

• HALOE V19 Ozone Trends 1991-2000

• SAGE II V6.0 Trends over HALOE period (1991-2000)

• Recovery Statistics

HALOE HF and HCl Trends

• HALOE HF Trends

• HALOE HF Residuals and Recovery Statistics

• HALOE HCl Trends

• HALOE HCl Residuals and Recovery Statistics

Total Ozone Trends from Stolarski’s Merged SBUV/TOMS Dataset.

• Global trends

• Residuals and recovery Histograms

mike newchurch atmospheric science department university of alabama in huntsville

Documents

alabama accountability act impact on huntsville city schools

ledges clubhouse row townhomes, huntsville, alabama

nasa facts marshall space flight center, huntsville alabama

best eats in huntsville, alabama

huntsville, alabama, usa - gwa week without...

alabama in huntsville microgravity liquid propellant ... ·...

2010 alabama-huntsville men's soccer schedule card

daniel j. cecil university of alabama/huntsville cecild@uah

james-paul dice, meteorologist whnt-tv, huntsville dr. walt...

the university of alabama in huntsville date bid …

for sale - office building & storage building near downtown...

the u.s. space & rocket center huntsville, alabama the u.s....

new - university of alabama in huntsville

the university of alabama in huntsville - 2013 bluebook

shi kuang 1, mike newchurch 1, john burris 2, wesley...

alabama-huntsville hockey game notes vs. merrimack

1 mike3/papers/tropoz/aguf98 12/2/98 16:30 m.j. newchurch,...

huntsville alabama community overview

university of alabama, huntsville pdr

xiong liu, mike newchurch department of atmospheric science...