Jennifer Logan

Last updated
Jennifer Ann Logan
Other namesJennifer Ann Makowski (1972-75)
Scientific career
Thesis A molecular beam study of methyl radical reactions with halogens : product angular and velocity distributions  (1975)
Doctoral advisor John Ross (chemist)

Jennifer Logan is an atmospheric scientist known for her research on how human activities influence the atmosphere, particularly with respect to biomass burning and the ozone hole.

Contents

Education and career

Logan has a B.Sc. in chemistry from the University of Edinburgh, Scotland (1971) and a Ph.D. in physical chemistry from the Massachusetts Institute of Technology (1975). [1] She subsequently worked as a research fellow at Harvard University, was a Fellow at the Environmental Protection Agency in Washington DC, and then return to Harvard in 1979 where she remained until her retirement in 2013. [2]

Research

An overarching theme of Logan's research is how anthropogenic activities influence the composition of the atmosphere. Broadly, her research includes investigations into how fires impact particles in the atmosphere, how changes in climate impact air quality, the use of satellite data to measure ozone, and modeling efforts that link current and past atmospherical datasets. [3]

After her Ph.D. research on halogens, [4] Logan considered how people influence atmospheric chemistry through actions including biomass burning, agriculture, and the release of chlorocarbons. [5] She extended this research to identify spatial and temporal variability in ozone levels in the troposphere [6] and directly linked the loss of atmospheric ozone with the presence of halogens, chlorine, and bromine. [7] She also examined long-term, global, trends in ozone levels starting with data from 1970s through to the early 1990s. [8] [9] Her research identified how sulfur-based atmospheric pollutants can form SO2 [10] and she presented a global view of inorganic compounds in the troposphere. [11] [12]

Logan's research links atmospheric conditions with climate change on earth. Her research details how the distribution of ozone in the atmosphere changes global surface temperatures [13] and how vegetation in rural areas is exposed to ozone that is produced from anthropogenic emissions of NOx compounds. [14] [15]

Forest fires introduce chemical compounds into the atmosphere and Logan's research in this arena has examined the global impact of the fires in Alaska and Canada [16] and California. [17] [18] She quantified the amount of chemical compounds produce during biomass burning in the developing world [19] and how photochemical changes in particles produced from biomass burning impact ozone concentrations in the troposphere. [20]

Logan's participation in large-scale modeling efforts include research on a global model of atmospheric chemistry that examines interactions between NOx compounds and hydrocarbons, [21] models of optical thickness of aerosols, [22] causes of long-term trends in atmospheric ozone, [23] [24] and modeling of carbon monoxide produced during biomass burning. [25]

In 2001, Logan contributed to the section of Intergovernmental Panel on Climate Change (IPCC) report that covers "Atmospheric Chemistry and Greenhouse Gases". [26]

Selected publications

Awards and honors

Related Research Articles

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References

  1. ↑ Makowski, Jennifer Ann (1975). A molecular beam study of methyl radical reactions with halogens : product angular and velocity distributions. library.mit.edu (Ph.D.). Massachusetts Institute of Technology. Retrieved 2021-06-26.
  2. ↑ "Curriculum Vitae". www.people.fas.harvard.edu. Retrieved 2021-06-26.
  3. ↑ "Jennifer Logan-- Research Topics". www.people.fas.harvard.edu. Retrieved 2021-06-27.
  4. ↑ Logan, Jennifer A.; Mims, Charles A.; Stewart, Gerald W.; Ross, John (1976-02-15). "Molecular beam studies of methyl radical reactions with halogen molecules: Product angular and velocity distributions". The Journal of Chemical Physics. 64 (4): 1804–1815. Bibcode:1976JChPh..64.1804L. doi:10.1063/1.432358. ISSN   0021-9606.
  5. ↑ Logan, Jennifer A.; Prather, M. J.; Wofsy, S. C.; McElroy, M. B.; Bates, David Robert (1978-09-04). "Atmospheric Chemistry: Response to Human Influence". Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences. 290 (1367): 187–234. Bibcode:1978RSPTA.290..187L. doi:10.1098/rsta.1978.0082. S2CID   122975868.
  6. ↑ Logan, Jennifer A. (1985). "Tropospheric Ozone: Seasonal Behavior, Trends, and Anthropogenic Influence". Journal of Geophysical Research: Atmospheres. 90 (D6): 10463–10482. Bibcode:1985JGR....9010463L. doi:10.1029/JD090iD06p10463. ISSN   2156-2202.
  7. ↑ McElroy, Michael B.; Salawitch, Ross J.; Wofsy, Steven C.; Logan, Jennifer A. (1986). "Reductions of Antarctic Ozone Due to Synergistic Interactions of Chlorine and Bromine". Nature. 321 (6072): 759–762. Bibcode:1986Natur.321..759M. doi:10.1038/321759a0. ISSN   1476-4687. S2CID   4277544.
  8. ↑ Logan, Jennifer A. (1994). "Trends in the Vertical Distribution of Ozone: An Analysis of Ozonesonde Data". Journal of Geophysical Research: Atmospheres. 99 (D12): 25553–25585. Bibcode:1994JGR....9925553L. doi:10.1029/94JD02333. ISSN   2156-2202.
  9. ↑ Logan, Jennifer A. (1999). "An Analysis of Ozonesonde Data for the Troposphere: Recommendations for Testing 3-D Models and Development of a Gridded Climatology for Tropospheric Ozone". Journal of Geophysical Research: Atmospheres. 104 (D13): 16115–16149. Bibcode:1999JGR...10416115L. doi:10.1029/1998JD100096. ISSN   2156-2202. S2CID   129237417.
  10. ↑ Logan, Jennifer A.; McElroy, Michael B.; Wofsy, Steven C.; Prather, Michael J. (1979). "Oxidation of CS 2 and COS: Sources for Atmospheric SO 2". Nature. 281 (5728): 185–188. Bibcode:1979Natur.281..185L. doi:10.1038/281185a0. ISSN   1476-4687. S2CID   4286424.
  11. ↑ Logan, Jennifer A.; Prather, Michael J.; Wofsy, Steven C.; McElroy, Michael B. (1981). "Tropospheric Chemistry: A Global Perspective". Journal of Geophysical Research: Oceans. 86 (C8): 7210–7254. Bibcode:1981JGR....86.7210L. doi:10.1029/JC086iC08p07210. ISSN   2156-2202.
  12. ↑ Logan, Jennifer A. (1983). "Nitrogen Oxides in the Troposphere: Global and Regional Budgets". Journal of Geophysical Research: Oceans. 88 (C15): 10785–10807. Bibcode:1983JGR....8810785L. doi:10.1029/JC088iC15p10785. ISSN   2156-2202.
  13. ↑ Lacis, Andrew A.; Wuebbles, Donald J.; Logan, Jennifer A. (1990). "Radiative forcing of climate by changes in the vertical distribution of ozone". Journal of Geophysical Research: Atmospheres. 95 (D7): 9971–9981. Bibcode:1990JGR....95.9971L. doi:10.1029/JD095iD07p09971. ISSN   2156-2202.
  14. ↑ Logan, Jennifer A. (1989). "Ozone in Rural Areas of the United States". Journal of Geophysical Research: Atmospheres. 94 (D6): 8511–8532. Bibcode:1989JGR....94.8511L. doi:10.1029/JD094iD06p08511. ISSN   2156-2202.
  15. ↑ Sillman, Sanford; Logan, Jennifer A.; Wofsy, Steven C. (1990). "The sensitivity of ozone to nitrogen oxides and hydrocarbons in regional ozone episodes". Journal of Geophysical Research: Atmospheres. 95 (D2): 1837–1851. Bibcode:1990JGR....95.1837S. doi:10.1029/JD095iD02p01837. ISSN   2156-2202.
  16. ↑ Wofsy, S. C.; Sachse, G. W.; Gregory, G. L.; Blake, D. R.; Bradshaw, J. D.; Sandholm, S. T.; Singh, H. B.; Barrick, J. A.; Harriss, R. C.; Talbot, R. W.; Shipham, M. A. (1992). "Atmospheric chemistry in the Arctic and subarctic: Influence of natural fires, industrial emissions, and stratospheric inputs". Journal of Geophysical Research: Atmospheres. 97 (D15): 16731–16746. Bibcode:1992JGR....9716731W. doi:10.1029/92JD00622. ISSN   2156-2202. S2CID   53612820.
  17. ↑ Yue, Xu; Mickley, Loretta J.; Logan, Jennifer A. (2014). "Projection of wildfire activity in southern California in the mid-twenty-first century". Climate Dynamics. 43 (7–8): 1973–1991. Bibcode:2014ClDy...43.1973Y. doi:10.1007/s00382-013-2022-3. ISSN   0930-7575. PMC   4204739 . PMID   25346575.
  18. ↑ Spracklen, Dominick V.; Logan, Jennifer A.; Mickley, Loretta J.; Park, Rokjin J.; Yevich, Rosemarie; Westerling, Anthony L.; Jaffe, Dan A. (2007). "Wildfires drive interannual variability of organic carbon aerosol in the western U.S. in summer". Geophysical Research Letters. 34 (16). Bibcode:2007GeoRL..3416816S. doi: 10.1029/2007GL030037 . ISSN   1944-8007.
  19. ↑ Yevich, Rosemarie; Logan, Jennifer A. (2003). "An assessment of biofuel use and burning of agricultural waste in the developing world". Global Biogeochemical Cycles. 17 (4): n/a. Bibcode:2003GBioC..17.1095Y. doi: 10.1029/2002GB001952 . ISSN   1944-9224. S2CID   15112465.
  20. ↑ Mauzerall, Denise L.; Logan, Jennifer A.; Jacob, Daniel J.; Anderson, Bruce E.; Blake, Donald R.; Bradshaw, John D.; Heikes, Brian; Sachse, Glenn W.; Singh, Hanwant; Talbot, Bob (1998). "Photochemistry in biomass burning plumes and implications for tropospheric ozone over the tropical South Atlantic". Journal of Geophysical Research: Atmospheres. 103 (D7): 8401–8423. Bibcode:1998JGR...103.8401M. doi: 10.1029/97JD02612 . ISSN   2156-2202. S2CID   140166855.
  21. ↑ Bey, Isabelle; Jacob, Daniel J.; Yantosca, Robert M.; Logan, Jennifer A.; Field, Brendan D.; Fiore, Arlene M.; Li, Qinbin; Liu, Honguy Y.; Mickley, Loretta J.; Schultz, Martin G. (2001). "Global modeling of tropospheric chemistry with assimilated meteorology: Model description and evaluation". Journal of Geophysical Research: Atmospheres. 106 (D19): 23073–23095. Bibcode:2001JGR...10623073B. doi: 10.1029/2001JD000807 . ISSN   2156-2202.
  22. ↑ Chin, Mian; Ginoux, Paul; Kinne, Stefan; Torres, Omar; Holben, Brent N.; Duncan, Bryan N.; Martin, Randall V.; Logan, Jennifer A.; Higurashi, Akiko; Nakajima, Teruyuki (2002-02-01). "Tropospheric Aerosol Optical Thickness from the GOCART Model and Comparisons with Satellite and Sun Photometer Measurements". Journal of the Atmospheric Sciences. 59 (3): 461–483. Bibcode:2002JAtS...59..461C. doi: 10.1175/1520-0469(2002)059<0461:TAOTFT>2.0.CO;2 . ISSN   0022-4928.
  23. ↑ Martin, Randall V. (2002). "Interpretation of TOMS observations of tropical tropospheric ozone with a global model and in situ observations". Journal of Geophysical Research. 107 (D18): 4351. Bibcode:2002JGRD..107.4351M. doi: 10.1029/2001JD001480 . ISSN   0148-0227. S2CID   5147532.
  24. ↑ Fusco, Andrew C.; Logan, Jennifer A. (2003). "Analysis of 1970–1995 trends in tropospheric ozone at Northern Hemisphere midlatitudes with the GEOS-CHEM model". Journal of Geophysical Research: Atmospheres. 108 (D15): 4449. Bibcode:2003JGRD..108.4449F. doi: 10.1029/2002JD002742 . ISSN   2156-2202. S2CID   16661850.
  25. ↑ Duncan, B. N.; Logan, J. A.; Bey, I.; Megretskaia, I. A.; Yantosca, R. M.; Novelli, P. C.; Jones, N. B.; Rinsland, C. P. (2007). "Global budget of CO, 1988–1997: Source estimates and validation with a global model". Journal of Geophysical Research: Atmospheres. 112 (D22). Bibcode:2007JGRD..11222301D. doi:10.1029/2007JD008459. ISSN   2156-2202.
  26. ↑ Ehhalt, D.; Prather, M.; Dentener, F.; Derwent, R.; Dlugokencky, Edward J.; Holland, E.; Isaksen, I.; Katima, J.; Kirchhoff, V.; Matson, P.; Midgley, P. (2001-10-01). "Atmospheric Chemistry and Greenhouse Gases". OSTI   901482.{{cite journal}}: Cite journal requires |journal= (help)
  27. ↑ "Historic Fellows | American Association for the Advancement of Science". www.aaas.org. Retrieved 2021-06-26.
  28. ↑ "Logan". Honors Program. Retrieved 2021-06-26.
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