Roland Chan
Organization:
NASA Ames Research Center
First Author Publications:
- Chan, R., et al. (1992), "A Case Study of the Mountain Lee Wave Event of January 6, Geophys. Res. Lett., 20, 2551-2554.
- Chan, R., et al. (1991), Horizontal Wind Fluctuations in the Stratosphere During Large Scale Cyclogenesis, J. Geophys. Res., 96, 17,425-17.
- Chan, R., et al. (1990), Temperature and Wind Measurements and Model Atmospheres for the 1989 Airborne Arctic Stratospheric Expedition, Geophys. Res. Lett., 17, 341-344.
- Chan, R., et al. (1989), Temperature and Horizontal Wind Measurements on the ER-2 Aircraft during the 1987 Airborne Antarctic Ozone Experiment, J. Geophys. Res., 94, 11,573-11.
Co-Authored Publications:
- Avallone, L., et al. (2015), In situ measurement of BrO during AASE II, Geophys. Res. Lett., 1995, 831-834 (manuscript in preparation).
- Del Negro, L. A., et al. (1997), Evaluating the role of NAT, NAD, and liquid H2SO4/H2O/HNO3 solutins in Antarctic polar stratospheric cloud aerosol: Observations and implications, J. Geophys. Res., 102, 13255.
- Jaeglé, L., et al. (1997), Evolution and stoichiometry of heterogeneous processing in the Antarctic stratosphere, J. Geophys. Res., 102.D11, 13235-13253.
- Bacmeister, J., et al. (1996), Stratospheric horizontal wavenumber of winds, potential temperature and atmospheric tracers observed by high-altitude aircraft, J. Geophys. Res., 101, 9441-9470.
- Baumgardner, D., et al. (1996), Refractive indices of aerosols in the upper troposphere and lower stratosphere, Geophys. Res. Lett., 23, 749-752.
- Chang, A. Y., et al. (1996), A comparison of measurements from ATMOS and instruments aboard the ER-2 aircraft: Halogenated gases, Geophys. Res. Lett., 23, 2393-2396.
- Chang, A. Y., et al. (1996), A comparison of measurements from ATMOS and instruments aboard the ER-2 aircraft: Tracers of atmospheric transport, Geophys. Res. Lett., 23, 2389-2392.
- Dye, J. E., et al. (1996), In-situ observations of an Antarctic polar stratospheric cloud: Similarities with Arctic observations, Geophys. Res. Lett., 23, 1913-1916.
- Fahey, D., et al. (1996), In situ observations of NOy, O3, and NOy/O3 ratio in the lower stratosphere, Geophys. Res. Lett., 23, 1653-1656.
- Jonsson, H., et al. (1996), Evolution of the stratospheric aerosol in the northern hemisphere following the June 1991 volcanic eruption of Mt. Pinatubo: Role of tropospheric-stratospheric exchange and transport, J. Geophys. Res., 101, 1553-1570.
- Keim, E. R., et al. (1996), Observations of large reductions in the NO/NOy ratio near the mid-latitude tropopause and the role of heterogeneous chemistry, Geophys. Res. Lett., 23, 3223-3226.
- Minschwaner, K., et al. (1996), Bulk properties of isentropic mixing into the tropics in the lower stratosphere, J. Geophys. Res., 101, 9433-9439.
- Newman, P., et al. (1996), Measurements of polar vortex air in the midlatitudes, J. Geophys. Res., 101, 12,879-12.
- Brock, C., et al. (1995), New particle formation in the upper tropical troposphere: A source for the stratospheric aerosol, Science. In press.
- Fahey, D., et al. (1995), In situ observations of aircraft exhaust in the lower stratosphere at midlatitudes, J. Geophys. Res., 3065-3074 (manuscript in preparation).
- Bacmeister, J., et al. (1994), An Algorithm for Forecasting Mountain Waves Related Turbulence in the Stratosphere, Weather and Forecast, 9, 214-253.
- Cohen, R. C., et al. (1994), Are Models of Catalytic Removal of O3 by HOx accurate? Constraints From in situ Measurements of the OH to HO2 Ratio, Geophys. Res. Lett., 21, 2539-2542.
- Salawitch, R., et al. (1994), The Diurnal Variation of Hydrogen, Nitrogen, and Chlorine Radicals: Implications for the Heterogeneous Production of HNO2, Geophys. Res. Lett., 21, 2551-2554.
- Salawitch, R., et al. (1994), The Distribution of Hydrogen, Nitrogen, and Chlorine Radicals in the Lower Stratosphere: Implications for Changes in O3 Due to Emission of NOy from Supersonic Aircraft, Geophys. Res. Lett., 21, 2547-2550.
- Stimpfle, R., et al. (1994), The Response of ClO Radical Concentrations to Variations in NO2 Radical Concentrations in the Lower Stratosphere, Geophys. Res. Lett., 21, 2543-2546.
- Waugh, D., et al. (1994), Fine-Scale Poleward Transport of Tropical Air During AASE 2, Geophys. Res. Lett., 21, 2603-2606.
- Wennberg, P., et al. (1994), Removal of Stratospheric O3 by Radicals: In Situ Measurements of OH, HO2, NO, NO2, ClO, and BrO, Science, 266, 398-404.
- Avallone, L., et al. (1993), In situ measurement of ClO at midlatitudes: Is there an effect from Mt. Pinatubo?, Geophys. Res. Lett., 20, 2519-2522.
- Fahey, D., et al. (1993), In Situ Measurements Constraining the Role of Sulphate Aerosols in Mid-Latitude Ozone Depletion, Nature, 363, 509-514.
- Kritz, M. A., et al. (1993), Radon Measurements in the Lower Tropical Stratosphere: Evidence for Rapid Vertical Transport and Dehydration of Tropospheric Air, J. Geophys. Res., 98, 8725-8736.
- Murphy, D., et al. (1993), Reactive nitrogen and its correlation with ozone in the lower stratosphere and upper tropospere, J. Geophys, Res., 98, 8751-8773.
- Pfister, L., et al. (1993), Gravity Waves Generated by a Tropical Cyclone During the STEP Tropical Field Program: A Case Study, J. Geophys. Res., 98, 8611-8638.
- Podolske, J., et al. (1993), Northern Hemisphere Nitrous Oxide Morphology During the 1989 AASE and the 1991-1992 AASE II Campaigns, Geophys. Res. Lett., 20, 2535-2538.
- Proffitt, M., et al. (1993), Ozone Loss Inside the Northern Polar Vortex During the 1991-1992 Winter, Science, 261, 1150-1154.
- Salawitch, R., et al. (1993), Chemical Loss of Ozone in the Arctic Polar Vortex in the Winter of 1991-1992, Science, 261, 1146-1149.
- Webster, C. R., et al. (1993), Chlorine chemistry on polar stratospheric cloud particles in the Arctic winter, Science, 261, 1140-1143.
- Wilson, J., et al. (1993), In Situ Observations of Aerosol and Chlorine Monoxide After the 1991 Eruption of Mount Pinatubo: Effect of Reactions on Sulfate Aerosol, Science, 261, 1140-1143.
- Bacmeister, J., et al. (1992), An Estimate of the Relative Magnitude of Small-Scale Tracer Fluxes, Geophys. Res. Lett., 19, 1101-1104.
- Dye, J. E., et al. (1992), Particle Size Distributions in Arctic Polar Stratospheric Clouds, Growth and Freezing of Sulfuric Acid Droplets and Implications for Cloud Formation, J. Geophys. Res., 97, 8015-8034.
- Gaines, S., et al. (1992), Comparisons of the NASA ER-2 Meteorological Measurement System with radar tracking and radiosonde data, J. Atmo. and Oceanic Tech., 9, 210-225.
- Kawa, S. R., et al. (1992), The Arctic Polar Stratospheric Cloud Aerosol: Aircraft Measurements of Reactive Nitrogen, Total Water, and particles, J. Geophys. Res., 97, 7925-7938.
- Kawa, S. R., et al. (1992), Photochemical partitioning of the reactive nitrogen and chlorine reservoirs in the high altitude stratosphere, J. Geophys. Res., 97, 7905-7923.
- Tuck, A. F., et al. (1992), Polar Stratospheric Cloud Processed Air and Potential Vorticity in the Northern Hemisphere Lower Stratosphere at Mid-Latitudes During Winter, J. Geophys. Res., 97, 7883-7904.
- Wilson, J., et al. (1992), Stratospheric sulfate aerosol in and near the northern hemisphere polar vortex: The morphology of the sulfate layer, multimodal size distribution and the effect of denitrification, J. Geophys, Res., 97, 7997-8013.
- Toohey, D., et al. (1991), In Situ Measurements of Midlatitude ClO in Winter, Geophys. Res. Lett., 18, 21-24.
- Brune, W. H., et al. (1990), In situ Observations of ClO in the Arctic Stratosphere: ER-2 Aircraft Results from 59°N to 80°N Latitude, Geophys. Res. Lett., 17, 505-508.
- Fahey, D., et al. (1990), Observation of Denitrification and Dehydration in the Winter Polar Stratosphere, Nature, 344, 321-324.
- Fahey, D., et al. (1990), A Diagnostic for Denitrification in the Winter Polar Stratosphere, Nature, 345, 698-702.
- Fahey, D., S. R. Kawa, and R. Chan (1990), Nitric Oxide Measurements in the Arctic Winter Stratosphere, Geophys. Res. Lett., 17, 489-492.
- Kawa, S. R., et al. (1990), Measurement of Total Reactive Nitrogen During the Airborne Arctic Stratospheric Expedition, Geophys. Res. Lett., 17, 485-488.
- Kawa, S. R., et al. (1990), Interpretation of Aircraft Measurements of NO, ClO, and O3 in the Lower Stratosphere, J. Geophys. Res., 95, 18,597-18.
- Lait, L. R., et al. (1990), Reconstruction of O3 and N2O fields from ER-2, DC-8, and Balloon Observations, Geophys. Res. Lett., 17, 521-524.
- Loewenstein, M., et al. (1990), N2O as a Dynamical Tracer in the Arctic Vortex, Geophys. Res. Lett., 17, 477-480.
- McKenna, D. S., et al. (1990), Calculations of Ozone Destruction During the 1988/1989 Arctic Winter, Geophys. Res. Lett., 17, 553-556.
- Proffitt, M., et al. (1990), Ozone Loss in the Arctic Polar Vortex Inferred from High-Altitude Aircraft Measurements, Nature, 347, 31-36.
- Rood, R. B., et al. (1990), Stratospheric Temperatures During AASE: Results from STRATAN, Geophys. Res. Lett., 17, 337-340.
- Salawitch, R., et al. (1990), Loss of Ozone in the Polar Vortex for the Winter of 1989, Geophys. Res. Lett., 17, 561-164.
- Schoeberl, M. R., et al. (1990), Stratospheric Constituent Trends from ER-2 Profile Data, Geophys. Res. Lett., 17, 469-472.
- Scott, et al. (1990), The Meteorological Measurement System on the NASA ER-2 Aircraft, J. Atmos. Oceanic Technol., 7, 525-540.
- Toohey, D., et al. (1990), In situ Observations of BrO in the Arctic Stratosphere, Geophys. Res. Lett., 17, 513-516.
- Wilson, J., et al. (1990), Measurements of Condensation Nuclei in the Airborne Arctic Stratospheric Expedition: Observations of Particle Production in the Polar Vortex, Geophys. Res. Lett., 17, 361-364.
- Brune, W. H., J. Anderson, and R. Chan (1989), In situ observations of ClO in the Antarctic: ER-2 aircraft results from 54 S to 72 S latitude, J. Geophys. Res., 94, 16649-16663.
- Dye, J. E., et al. (1989), "Observed Particle Evolution in the Polar Stratospheric Cloud of January 24, Geophys. Res. Lett., 17, 413-416.
- Fahey, D., et al. (1989), In situ aerosol measurements of total reactive nitrogen, total water, and aerosol in a polar stratospheric cloud in the Antarctic, J. Geophys. Res., 94, 11299-11315.
- Fahey, D., et al. (1989), In Situ Measurements of Total Reactive Nitrogen, Total Water Vapor, and Aerosols in Polar Stratospheric Clouds in the Antarctic Stratosphere, J. Geophys. Res., 94, 11,299-11.
- Gandrud, B., et al. (1989), Filter measurement results from the Airborne Antarctic Ozone Experiment, J. Geophys. Res., 94, 11,285-11.
- Gandrud, B., et al. (1989), and K. K. Kelly. "The January 30, Geophys. Res. Lett., 17, 457-460.
- Hartmann, et al. (1989), Potential Vorticity Estimates in the South Polar Vortex from ER-2 Data, J. Geophys. Res., 94, 11,625-11.
- Ko, M. K. W., M. Loewenstein, and R. Chan (1989), Measurements of Nitric Oxide and Total Reactive Nitrogen in the Antarctic Stratosphere: Observations and Chemical Implications, J. Geophys. Res., 94, 16,665-16.
- Loewenstein, M., and R. Chan (1989), In-Situ Measurements of Total Reactive Nitrogen, Total Water, and Aerosol in a Polar Stratospheric Cloud in the Antarctic, J. Geophys. Res., 94, 1299-1316.
- Loewenstein, M., et al. (1989), Nitrous Oxide as a Dynamical Tracer in the 1987 Airborne Antarctic Ozone Experiment, J. Geophys. Res., 94, 11,589-11.
- Loewenstein, M., et al. (1989), Evidence for Diabatic Cooling and Poleward Transport Within and Around the 1987 Antarctic Ozone Hole, J. Geophys. Res., 94, 16,797-16.
- Murphy, D. M., et al. (1989), Indicators of Transport and Vertical Motion from Corrections between In Situ Measurements of the Airborne Antarctic Ozone Experiment, J. Geophys. Res., 94, 11,669-11.
- Podolske, J., et al. (1989), Stratospheric Nitrous Oxide Distribution in the Southern Hemisphere, J. Geophys. Res., 94, 16,767-16.
- Proffitt, M., et al. (1989), In Situ Ozone Measurements within the 1987 Antarctic Ozone Hole from a High-Altitude ER-2 Aircraft, J. Geophys. Res., 94, 16,547-16.
- Pueschel, R., et al. (1989), Condensed Nitrate Sulfate and Chloride in Antarctic Stratospheric Aerosols, J. Geophys. Res., 94, 11,271-11.
- Rodriguez, J. M., et al. (1989), Nitrogen and Chlorine Species in the Spring Antarctic Stratosphere: Comparison of Models and AAOE Observations, J. Geophys. Res., 94, 16,683-16.
- Schoeberl, M. R., et al. (1989), Reconstruction of the Constituent Distribution and Trends in the Antarctic Polar Vortex from the ER-2 Flight Observation, J. Geophys. Res., 94, 16,815-16.
- Strahan, S., et al. (1989), Correlation of N2O and Ozone in the Southern Polar Vortex During the Airborne Antarctic Ozone Experiment, J. Geophys. Res., 94, 16,749-16.
- Wilson, J., et al. (1989), Observations of Condensation Nuclei in the Airborne Antarctic Ozone Experiment: Implications for New Particle Formation and Polar Stratospheric Cloud Formation, J. Geophys. Res., 94, 16,437-16.