28 Jul 2020
| 28 Jul 2020
Hostile climates are barriers to diversifying the geosciences
Erika Marín-Spiotta
CORRESPONDING AUTHOR
Department of Geography, University of Wisconsin-Madison, Madison, WI 53706, USA
Rebecca T. Barnes
Environmental Studies Program, Colorado College, Colorado Springs, CO 80903, USA
Asmeret Asefaw Berhe
Department of Life and Environmental Sciences, University of
California, Merced, CA 95343, USA
Meredith G. Hastings
Department of Earth, Environmental and Planetary Sciences and
Institute at Brown for Environment and Society, Brown University, Providence, RI 02912, USA
Allison Mattheis
Applied and Advanced Studies in Education, California State University Los Angeles, Los Angeles, CA 90032, USA
Blair Schneider
Kansas Geological Survey, Lawrence, KS 66047, USA
Billy M. Williams
American Geophysical Union, Washington, DC 20009, USA
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Samuel N. Araya, Marilyn L. Fogel, and Asmeret Asefaw Berhe
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Samuel N. Araya, Mercer Meding, and Asmeret Asefaw Berhe
SOIL, 2, 351–366, https://doi.org/10.5194/soil-2-351-2016, https://doi.org/10.5194/soil-2-351-2016, 2016
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Using laboratory heating, we studied effects of fire intensity on important topsoil characteristics. This study identifies critical temperature thresholds for significant physical and chemical changes in soils that developed under different climate regimes. Findings from this study will contribute towards estimating the amount and rate of change in essential soil properties that can be expected from topsoil exposure to different intensity fires under anticipated climate change scenarios.
Nathan J. Chellman, Meredith G. Hastings, and Joseph R. McConnell
The Cryosphere Discuss., https://doi.org/10.5194/tc-2016-163, https://doi.org/10.5194/tc-2016-163, 2016
Revised manuscript not accepted
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This manuscript analyzes the changing sources of nitrate deposition to Greenland since 1760 CE using a dataset consisting of sub-seasonally resolved nitrogen isotopes of nitrate and source tracers. Correlations amongst ion concentration, source tracers, and the δ15N–NO3− provide evidence of the impact of biomass burning and fossil fuel combustion emissions of nitrogen oxides and suggest that oil combustion is the likely driver of increased nitrate concentration in Greenland ice since 1940 CE.
G. Shi, A. M. Buffen, M. G. Hastings, C. Li, H. Ma, Y. Li, B. Sun, C. An, and S. Jiang
Atmos. Chem. Phys., 15, 9435–9453, https://doi.org/10.5194/acp-15-9435-2015, https://doi.org/10.5194/acp-15-9435-2015, 2015
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E. M. Stacy, S. C. Hart, C. T. Hunsaker, D. W. Johnson, and A. A. Berhe
Biogeosciences, 12, 4861–4874, https://doi.org/10.5194/bg-12-4861-2015, https://doi.org/10.5194/bg-12-4861-2015, 2015
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In the southern parts of the Sierra Nevada in California, we investigated erosion of carbon and nitrogen from low-order catchments. We found that eroded sediments were OM rich, with a potential for significant gaseous and dissolved loss of OM during transport or after depositional in downslope or downstream depositional landform positions.
T. A. Ghezzehei, D. V. Sarkhot, and A. A. Berhe
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E. D. Sofen, B. Alexander, E. J. Steig, M. H. Thiemens, S. A. Kunasek, H. M. Amos, A. J. Schauer, M. G. Hastings, J. Bautista, T. L. Jackson, L. E. Vogel, J. R. McConnell, D. R. Pasteris, and E. S. Saltzman
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Short summary
The geosciences are one of the least diverse disciplines in the United States, despite the field's relevance to people's livelihoods and economies. Bias, discrimination and harassment present serious hurdles to diversifying the field. We summarize research on the factors that contribute to the persistence of hostile climates in the geosciences and other scientific disciplines and provide recommendations for cultural change through the role of mentoring networks and professional associations.
The geosciences are one of the least diverse disciplines in the United States, despite the...
