D. Hofmann

D. Hofmann, J. Barnes, 2000, IGARSS 2000. IEEE 2000 International Geoscience and Remote Sensing Symposium. Taking the Pulse of the Planet: The Role of Remote Sensing in Managing the Environment. Proceedings (Cat. No.00CH37120).

Anomalous Antarctic ozone during 1992: Evidence for Pinatubo volcanic aerosol effects

S. Oltmans, D. Hofmann, 1993 .

Evidence for midwinter chemical ozone destruction over Antarctica

S. Oltmans, H. Vömel, D. Hofmann, 1995 .

Balloon observations of the time development of the stratospheric aerosol event of 1974–1975

D. Hofmann, J. Rosen, 1977 .

Estimate of the contribution of the space shuttle effluent to the natural stratospheric aerosol

D. Hofmann, J. Rosen, D. E. Carroll, 1975 .

Global Measurements of the Time Variations and Morphology of the Stratospheric Aerosol

D. Hofmann, J. Rosen, T. Pepin, 1974 .

Influence of the Tropopause Height on the Global Stratospheric Aerosol Burden and Implications for the Recent Increase in Ozone

D. Hofmann, J. Rosen, T. Pepin, 1974 .

Unprecedented 1993 ozone decrease over the United States from Dobson spectrophotometer observations

D. Hofmann, W. Komhyr, R. D. Grass, 1994 .

Simultaneous balloon observations at Fort Churchill and Minneapolis during the solar cosmic ray events of July 1961

D. Hofmann, J. Winckler, 1963 .

Midlatitude lidar backscatter conversions based on balloonborne aerosol measurements

Terry Deshler, H. Jäger, D. Hofmann, 1995 .

Midlatitude lidar backscatter to mass, area, and extinction conversion model based on in situ aerosol measurements from 1980 to 1987.

H. Jäger, D. Hofmann, H Jäger, 1991, Applied optics.

Satellite and correlative measurements of the stratospheric aerosol. II Comparison of measurements made by SAM II, dustsondes and airborne lidar

M. P. McCormick, P. B. Russell, L. R. Mcmaster, 1981 .

A new look at atmospheric carbon dioxide

J. Butler, P. Tans, D. Hofmann, 2009 .

The measurement at balloon heights of the low energy hydrogen and helium isotopes in the cosmic radiation at solar minimum, 1965

D. Hofmann, J. Winckler, 1967 .

ISOTOPIC COMPOSITION OF LOW-ENERGY HELIUM NUCLEI IN THE PRIMARY COSMIC RADIATION AT SOLAR MINIMUM

D. Hofmann, J. Winckler, 1966 .

Decrease of summer tropospheric ozone concentrations in Antarctica

S. C. Liu, J. Harris, E. Dutton, 1991, Nature.

Tropospheric ozone variations in the Arctic during January 1990

D. Hofmann, E. Ferguson, W. Matthews, 1992 .

Ozone profile measurements within, at the edge of, and outside the Antarctic polar vortex in the spring of 1988

J. Hereford, D. Hofmann, T. Deshler, 1990 .

Ozone and temperature profiles over Mcmurdo Station Antarctica in the spring of 1989

J. Hereford, D. Hofmann, T. Deshler, 1990 .

Ozone profile measurements at McMurdo Station, Antarctica, during the spring of 1987

J. Hereford, D. Hofmann, J. Harder, 1989 .

Balloon-borne observations of the development and vertical structure of the Antarctic ozone hole in 1986

D. J. Hofmann, D. Hofmann, J. Harder, 1987, Nature.

Optical modeling of stratospheric aerosols: present status.

D. Hofmann, J. Rosen, J M Rosen, 1986, Applied optics.

Stratospheric sulfuric acid fraction and mass estimate for the 1982 volcanic eruption of El Chichon

D. Hofmann, J. Rosen, 1983 .

Unusual behavior in the condensation nuclei concentration at 30 km

D. Hofmann, J. Rosen, 1983 .

Stratospheric aerosol and condensation nuclei enhancements following the eruption of Alaid in April 1981

D. Hofmann, J. Rosen, 1981 .

Vertical Profiles of Condensation Nuclei

D. Hofmann, J. Rosen, K. H. Kaselau, 1978 .

SAGE II aerosol data validation based on retrieved aerosol model size distribution from SAGE II aerosol measurements.

M. McCormick, T. Swissler, D. Hofmann, 1989, Journal of geophysical research.

UV measurements at Mauna Loa: July 1995 to July 1996

Ellsworth G. Dutton, R. McKenzie, E. Dutton, 1997 .

Sulfuric Acid Droplet Formation and Growth in the Stratosphere After the 1982 Eruption of El Chich�n

D. Hofmann, J. Rosen, David J. Hofmann, 1983, Science.

On the background stratospheric aerosol layer

D. Hofmann, J. Rosen, 1981 .

The evolution of the dehydration in the Antarctic stratospheric vortex

Holger Vömel, Terry Deshler, S. J. Oltmans, 1995 .

Group Report : Connections between Aerosol Properties and Forcing of Climate

D. Hofmann, J. Ogren, O. Toon, 2022 .

OZONE DEPLETION AND RELATED TOPICS | Stratospheric Ozone Recovery

D. Hofmann, R. Müller, 2015 .

Four decades of ozonesonde measurements over Antarctica

S. Solomon, D. Thompson, D. Hofmann, 2005 .

Balloonborne measurements of polar stratospheric clouds and ozone at‐93° C in the Arctic in February 1990

Terry Deshler, D. Hofmann, T. Deshler, 1990 .

Results of an international workshop on atmospheric electrical measurements

D. Hofmann, S. Michnowski, J. Rosen, 1982 .

The university of wyoming's small scientific balloon program

D. Hofmann, J. Rosen, N. Kjome, 1985 .

Condensation nuclei events at 30 km and possible influences of solar cosmic rays

D. Hofmann, J. Rosen, 1983, Nature.

Stratospheric condensation nuclei variations may relate to solar activity

D. Hofmann, J. Rosen, 1982, Nature.

Balloonborne Measurements of Condensation Nuclei

D. Hofmann, J. Rosen, 1977 .

Twenty-two years of ozonesonde measurements at the South Pole

S. Oltmans, D. Hofmann, B. Johnson, 2009 .

Ten years of ozonesonde measurements at the south pole: Implications for recovery of springtime Antarctic ozone

S. Oltmans, B. Johnson, D. Hofmann, 1997 .

Antarctic observations of stratospheric aerosol and high altitude condensation nuclei following the El Chichon eruption

D. Hofmann, J. Rosen, 1985 .

Recovery of the Ozone Layer: The Ozone Depleting Gas Index

S. Montzka, D. Hofmann, Stephen A. Montzka, 2009 .

Lidar measurements of stratospheric aerosol over Mauna Loa Observatory

D. Hofmann, J. Barnes, 1997 .

Volcanic aerosol and ozone depletion within the Antarctic polar vortex during the austral spring of 1991

B. Johnson, D. Hofmann, G. Gobbi, 1992 .

Increase in background stratospheric aerosol observed with lidar at Mauna Loa Observatory and Boulder, Colorado

John E. Barnes, Ryan R. Neely, R. Neely, 2009 .

Twenty Years Of Balloon-Borne Tropospheric Aerosol Measurements

D. Hofmann, 1993 .

Trends in the nonvolcanic component of stratospheric aerosol over the period 1971–2004

H. Jäger, R. Grainger, D. Hofmann, 2006 .

Intercomparison of ozone measurements over Antarctica

W. D. Hypes, C. B. Farmer, A. Ravishankara, 1989 .

Variability in the stratospheric background aerosol over Mauna Loa Observatory

D. Hofmann, J. Barnes, David J. Hofmann, 2001 .

Perturbations to the global atmosphere associated with the El Chichon volcanic eruption of 1982

D. Hofmann, 1987 .

Mid stratospheric ozone minima in polar regions

J. Austin, S. Oltmans, D. Hofmann, 1995 .

Stratospheric Aerosol Measurements III: Optical Model Calculations

James M. Rosen, R. G. Pinnick, D. Hofmann, 1976 .

Balloonborne measurements of the Pinatubo aerosol size distribution and volatility at Laramie, Wyomi

Bryan J. Johnson, Terry Deshler, B. Johnson, 1992 .

Electron microscope studies of Mt. Pinatubo aerosol layers over Laramie, Wyoming during summer 1991

Terry Deshler, D. Hofmann, R. Schnell, 1992 .

Particles in the Polar Stratospheres

D. Hofmann, J. Rosen, T. Pepin, 1973, Nature.

Balloon‐borne measurements of middle atmosphere aerosols and trace gases in Antarctica

D. Hofmann, 1988 .

Balloon observations of simultaneous auroral X‐ray and visible bursts

R. A. Greene, D. Hofmann, 1972 .

Comparison of NOAA‐11 SBUV/2 ozone vertical profiles with correlative measurements

A. J. Miller, B. Connor, J. Deluisi, 1996 .

On the prolonged lifetime of the El Chichon sulfuric acid aerosol cloud

D. Hofmann, J. Rosen, 1987 .

A comparison between high‐altitude horizon photography and direct sampling of El Chichón cloud particles

D. Hofmann, J. Rosen, A. Coletti, 1986 .

Lidar‐ and balloon‐borne particle counter comparisons following recent volcanic eruptions

H. Jäger, D. Hofmann, J. Rosen, 1983 .

Stratospheric Aerosol Measurements IV: Global Time Variations of the Aerosol Burden and Source Considerations

D. Hofmann, J. Rosen, J. Laby, 1976 .

Satellite and Correlative Measurements of the Stratospheric Aerosol. III: Comparison of Measurements by SAM II, SAGE, Dustsondes, Filters, Impactors and Lidar

M. P. McCormick, P. B. Russell, L. R. Mcmaster, 1984 .

Observations of the decay of the El Chichon stratospheric aerosol cloud in Antarctica

D. Hofmann, J. Harder, J. Rosen, 1987 .

Dustsonde and lidar measurements of stratospheric aerosols: a comparison.

M. McCormick, D. Hofmann, J. Rosen, 1974, Applied optics.

Observations of the screening of solar cosmic rays by the outer magnetosphere.

D. Hofmann, S. Kane, J. R. Wenckler, 1968 .

Balloon observations of nitric acid aerosol formation in the Arctic stratosphere: I. Gaseous nitric acid

H. Schlager, D. Hofmann, T. Deshler, 1990 .

Ozone and aerosol measurements in the springtime Antarctic stratosphere in 1985

D. Hofmann, J. Rosen, S. R. Rolf, 1986 .

International Balloon Measurements for Ozone Research

D. Hofmann, 2009 .

Simultaneous balloonborne measurements of stratospheric water vapor and ozone in the polar regions

S. Oltmans, D. Hofmann, T. Deshler, 1991 .

Ozone profiles at McMurdo Station, Antarctica, The austral spring of 1990

D. Hofmann, T. Deshler, 1991 .

Stratospheric condensation nuclei and possible solar influences

D. Hofmann, J. Rosen, 1983 .

Predicting future ozone changes and detection of recovery

John Austin, Franck Lefèvre, John A. Pyle, 1998 .

The role of carbon dioxide in climate forcing from 1979 to 2004: introduction of the Annual Greenhouse Gas Index

E. Dlugokencky, S. Montzka, P. Tans, 2006 .