Postdoctoral Fellow at Columbia University, 2009-2011; Associate Research Scientist at Columbia University 2011-2014; Associate Editor at Nature Geoscience, 2014-2017; Researcher at Vrije Universiteit Amsterdam, 2017-2018; Senior Fellow in the NASA Postdoctoral Program, NASA-GISS, 2018-2021; Research Analyst at SciSpace LLC and NASA-GISS, 2021; Research Scientist at the Center for Climate Systems Research, Columbia University and NASA-GISS, 2021-present.
Jonathan Edward Hickman
(RESEARCH SCIENTITST)
| Email: | jonathan.e.hickman@nasa.gov |
| Org Code: | 611 |
| Address: |
NASA/GISS Mail Code 611 New York, NY 10025 |
| Employer: | TRUSTEES OF COLUMBIA UNIVERSITY |
Brief Bio
Research Interests
Atmosphere-ecosystem interactions and feedbacks
Earth system modeling
Biogeochemical cycling
Climate and global change
Current Projects
GISS ModelE development
Construction, expansion and evaluation of the GISS ModelE coupled GCM.
Freeze/thaw agricultural soil nitric oxide emissions
Interactions and feedbacks between climate and exchange of nitric oxide and ammonia with soils and vegetation
Positions/Employment
Research Scientist
Columbia University & NASA-GISS - New York, NY
July 2021 - Present
Senior Fellow
NASA Postdoctoral Program - NASA-GISS, New York, NY
May 2018 - June 2021
Research Scientist
VU Amsterdam - Amsterdam, Netherlands
October 2017 - March 2018
Associate Editor
Nature Geoscience - New York, NY and London, UK
August 2014 - September 2017
Associate Research Scientist
Columbia University - New York, NY
July 2011 - July 2014
Postdoctoral Fellow
The Earth Institute at Columbia University - New York, NY
June 2009 - June 2011
Education
B.A. English, Studio Art (Hons), Vassar College, 1995
PhD in Ecology and Evolution, State University of New York at Stony Brook, 2009
Selected Publications
Refereed
2023. "Trends and seasonal variability in ammonia across major biomes in western and central Africa inferred from long-term series of ground-based and satellite measurements." Atmospheric Chemistry and Physics 23 (16): 9473-9494 [10.5194/acp-23-9473-2023] [Journal Article/Letter]
2023. "The Fate of Nitrogen During Agricultural Intensification in East Africa: Nitrogen Budgets in Contrasting Agroecosystems." Journal of Geophysical Research: Biogeosciences 128 (7): e2022JG007128 [10.1029/2022jg007128] [Journal Article/Letter]
2023. "Emissions Background, Climate, and Season Determine the Impacts of Past and Future Pandemic Lockdowns on Atmospheric Composition and Climate." Earth's Future 11 (5): [10.1029/2022ef002959] [Journal Article/Letter]
2023. "The Chemical Characteristics of Rainwater and Wet Atmospheric Deposition Fluxes at Two Urban Sites and One Rural Site in Côte d’Ivoire." Atmosphere 14 (5): 809 [10.3390/atmos14050809] [Journal Article/Letter]
2023. "Drivers and impacts of Eastern African rainfall variability." Nature Reviews Earth & Environment 4 (4): 254-270 [10.1038/s43017-023-00397-x] [Journal Article/Letter]
2021. "Changes in satellite retrievals of atmospheric composition over eastern China during the 2020 COVID-19 lockdowns." Atmospheric Chemistry and Physics 21 18333–18350 [10.5194/acp-2020-567] [Journal Article/Letter]
2021. "Changes in biomass burning, wetland extent, or agriculture drive atmospheric NH3 trends in select African regions." Atmospheric Chemistry and Physics 21 16277-16291 [10.5194/acp-21-16277-2021] [Journal Article/Letter]
2021. "Continental and Ecoregion‐Specific Drivers of Atmospheric NO2 and NH3 Seasonality Over Africa Revealed by Satellite Observations." Global Biogeochemical Cycles 35 (8): e2020GB006916 [10.1029/2020gb006916] [Journal Article/Letter]
2021. "The Climate Response to Emissions Reductions due to COVID‐19: Initial Results from CovidMIP." Geophysical Research Letters 48 e2020GL091883 [10.1029/2020gl091883] [Journal Article/Letter]
2021. "Challenges and opportunities for enhancing food security and greenhouse gas mitigation in smallholder farming in sub-Saharan Africa. A review." Food Security 13 457–476 [10.1007/s12571-021-01149-9] [Journal Article/Letter]
2021. "Reductions in NO2 burden over north equatorial Africa from decline in biomass burning in spite of growing fossil fuel use, 2005 to 2017." Proceedings of the National Academy of Sciences 118 (7): e2002579118 [10.1073/pnas.2002579118] [Journal Article/Letter]
2021. "Dominant contribution of nitrogen compounds in precipitation chemistry in the Lake Victoria catchment (East Africa)." Environmental Research Letters 16 045013 [10.1088/1748-9326/abe25c] [Journal Article/Letter]
2021. "Little effect of land use on N2O and NO emission pulses following re‐wetting of dry soils across seasonally‐dry sub‐Saharan Africa." Journal of Geophysical Research: Biogeosciences 126 e2020JG005742 [10.1029/2020jg005742] [Journal Article/Letter]
2020. "Assessing Synergies and Trade-Offs from Nitrogen Use in Africa." Just Enough Nitrogen [10.1007/978-3-030-58065-0] [Book]
2020. "Meta‐analysis on the potential for increasing nitrogen losses from intensifying tropical agriculture." Global Change Biology 26 (3): 1668-1680 [10.1111/gcb.14951] [Journal Article/Letter]
2019. "Trends and seasonal variability of atmospheric NO2 and HNO3 concentrations across three major African biomes inferred from long-term series of ground-based and satellite measurements." Atmospheric Environment 207 148-166 [10.1016/j.atmosenv.2019.03.027] [Journal Article/Letter]
2018. "Satellite evidence of substantial rain-induced soil emissions of ammonia across the Sahel." Atmospheric Chemistry and Physics 18 (22): 16713-16727 [10.5194/acp-18-16713-2018] [Journal Article/Letter]
2018. "Impacts of enhanced fertilizer applications on tropospheric ozone and crop damage over sub-Saharan Africa." Atmospheric Environment 180 117-125 [10.1016/j.atmosenv.2018.02.040] [Journal Article/Letter]
2017. "Nonlinear response of nitric oxide fluxes to fertilizer inputs and the impacts of agricultural intensification on tropospheric ozone pollution in Kenya." Global Change Biology 23 (8): 3193-3204 [10.1111/gcb.13644] [Journal Article/Letter]
2016. "Effects of fertilizer on inorganic soil N in East Africa maize systems: vertical distributions and temporal dynamics." Ecological Applications 26 (6): 1907-1919 [10.1890/15-1518.1] [Journal Article/Letter]
2016. "Introduction to the SAMPLES Approach." Methods for Measuring Greenhouse Gas Balances and Evaluating Mitigation Options in Smallholder Agriculture 1-13 [10.1007/978-3-319-29794-1] [Book]
2015. "A potential tipping point in tropical agriculture: Avoiding rapid increases in nitrous oxide fluxes from agricultural intensification in Kenya." Journal of Geophysical Research: Biogeosciences 120 (5): 938-951 [10.1002/2015jg002913] [Journal Article/Letter]
2014. "Assessing non-CO2 climate-forcing emissions and mitigation in sub-Saharan Africa." Curr. Opin. Environ. Sustain. 9-10 65-72 [10.1016/j.cosust.2014.07.010] [Journal Article/Letter]
2014. "Nitrous oxide (N2O) emissions in response to increasing fertilizer addition in maize (Zea mays L.) agriculture in western Kenya." Nutrient Cycling in Agroecosystems 100 (2): 177-187 [10.1007/s10705-014-9636-7] [Journal Article/Letter]
2014. "Agriculture and climate change mitigation in the developing world." CCAFS Working Paper no. 59. CGIAR Research Program on Climate Change, Agriculture, and Food Security [Report]
2013. "Biogeochemical impacts of the northward expansion of kudzu under climate change: the importance of ecological context." Ecosphere 4 (10): art121 [10.1890/es13-00142.1] [Journal Article/Letter]
2013. "The native–invasive balance: implications for nutrient cycling in ecosystems." Oecologia 173 (1): 319-328 [10.1007/s00442-013-2607-x] [Journal Article/Letter]
2011. "Current and future nitrous oxide emissions from African agriculture." Current Opinion in Environmental Sustainability 3 (5): 370-378 [10.1016/j.cosust.2011.08.001] [Journal Article/Letter]
2010. "Kudzu (Pueraria montana) invasion doubles emissions of nitric oxide and increases ozone pollution." Proceedings of the National Academy of Sciences 107 (22): 10115-10119 [10.1073/pnas.0912279107] [Journal Article/Letter]
Non-Refereed
2015. "Putting local food to the test." Nature Geoscience 8 (11): 824-824 [10.1038/ngeo2579] [Journal Article/Letter]
2015. "Carbon Sequestration: Biology's Growing Role." Nature Geoscience 8 173 [Journal Article/Letter]
2014. "Carbon sinks and sinking tundra." Nature Geoscience 7 784 [Journal Article/Letter]