The DOI matches its Crossref record; 227 of the 227 references it cites were found in a registry or an index.
Challenges to incorporating spatially and temporally explicit phenomena (hotspots and hot moments) in denitrification models
Open accessAbstract
Denitrification, the anaerobic reduction of nitrogen oxides to nitrogenous gases, is an extremely challenging process to measure and model. Much of this challenge arises from the fact that small areas (hotspots) and brief periods (hot moments) frequently account for a high percentage of the denitrification activity that occurs in both terrestrial and aquatic ecosystems. In this paper, we describe the prospects for incorporating hotspot and hot moment phenomena into denitrification models in terrestrial soils, the interface between terrestrial and aquatic ecosystems, and in aquatic ecosystems. Our analysis suggests that while our data needs are strongest for hot moments, the greatest modeling challenges are for hotspots. Given the increasing availability of high temporal frequency climate data, models are promising tools for evaluating the importance of hot moments such as freeze-thaw cycles and drying/rewetting events. Spatial hotspots are less tractable due to our inability to get high resolution spatial approximations of denitrification drivers such as carbon substrate. Investigators need to consider the types of hotspots and hot moments that might be occurring at small, medium, and large spatial scales in the particular ecosystem type they are working in before starting a study or developing a new model. New experimental design and heterogeneity quantification tools can then be applied from the outset and will result in better quantification and more robust and widely applicable denitrification models.
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Cites
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Cited by
Microbial hotspots and hot moments in soil: Concept & review
Kuzyakov, Y., & Blagodatskaya, E. (2015) · Soil Biology and Biochemistry · doi:10.1016/j.soilbio.2015.01.025 · Cited by 1,872
Hot Spots and Hot Moments in Riparian Zones: Potential for Improved Water Quality Management1
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Self-citationSweeney, B. W., & Newbold, J. D. (2014) · JAWRA Journal of the American Water Resources Association · doi:10.1111/jawr.12203 · Cited by 386
Covino, T. (2017) · Geomorphology · doi:10.1016/j.geomorph.2016.09.030 · Cited by 328
Nutrient Cycling in Grassed Roadside Ditches and Lawns in a Suburban Watershed
McPhillips, L. E., Groffman, P. M., Schneider, R. L., & Walter, M. T. (2016) · Journal of Environmental Quality · doi:10.2134/jeq2016.05.0178 · Cited by 47
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Metadata
- Authors
- Groffman, P. M., Butterbach-Bahl, K., Fulweiler, R. W., Gold, A. J., Morse, J. L., Stander, E. K., Tague, C., Tonitto, C., & Vidon, P.
- Venue
- Biogeochemistry
- Published
- 2009-01-08
- Volume
- 93
- Issue
- 1-2
- Pages
- 49-77
- ISSN
- 0168-2563 (ISSN-L)
- 1573-515X
- OpenAlex
- W1976242336
- Cited by
- 677
- References
- 227
- FWCI
- 18.58
- Type
- journal article
- Language
- en
- Open access
- green
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- Groffman, P. M., Butterbach-Bahl, K., Fulweiler, R. W., Gold, A. J., Morse, J. L., Stander, E. K., Tague, C., Tonitto, C., & Vidon, P. (2009). Challenges to incorporating spatially and temporally explicit phenomena (hotspots and hot moments) in denitrification models. Biogeochemistry. https://doi.org/10.1007/s10533-008-9277-5
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