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dc.contributor.authorMorse, J. L.en_US
dc.contributor.authorWerner, S. F.en_US
dc.contributor.authorGillin, C. P.en_US
dc.contributor.authorGoodale, C. L.en_US
dc.contributor.authorBailey, S. W.en_US
dc.contributor.authorMcGuire, K. J.en_US
dc.contributor.authorGroffman, P. M.en_US
dc.date.accessioned2017-01-12T01:25:34Z
dc.date.available2017-01-12T01:25:34Z
dc.date.issued2014-08-01en_US
dc.identifier.issn2169-8953en_US
dc.identifier.urihttp://hdl.handle.net/10919/74259
dc.description.abstractUnderstanding and predicting the extent, location, and function of biogeochemical hot spots at the watershed scale is a frontier in environmental science. We applied a hydropedologic approach to identify (1) biogeochemical differences among morphologically distinct hydropedologic settings and (2) hot spots of microbial carbon (C) and nitrogen (N) cycling activity in a northern hardwood forest in Hubbard Brook Experimental Forest, New Hampshire, USA. We assessed variables related to C and N cycling in spodic hydropedologic settings (typical podzols, bimodal podzols, and Bh podzols) and groundwater seeps during August 2010. We found that soil horizons (Oi/Oe, Oa/A, and B) differed significantly for most variables. B horizons (>10cm) accounted for 71% (±11%) of C pools and 62%(±10%) ofmicrobial biomass C in the sampled soil profile, whereas the surface horizons (Oi/Oe and Oa/A; 0–10cm) were dominant zones for N-cycle-related variables. Watershed-wide estimates of C and N cycling were higher by 34 to 43% (±17–19%) when rates, horizon thickness, and areal extent of each hydropedologic setting were incorporated, versus conventionally calculated estimates for typical podzols that included only the top 10cm of mineral soil. Despite the variation in profile development in typical, bimodal, and Bh podzols, we did not detect significant differences in C and N cycling among them. Across all soil horizons and hydropedologic settings, we found strong links between biogeochemical cycling and soil C, suggesting that the accumulation of C in soils may be a robust indicator of microbial C and N cycling capacity in the landscape.en
dc.format.extent1596 - 1607 (12) page(s)en_US
dc.languageEnglishen_US
dc.publisherAmer Geophysical Unionen_US
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000342993200008&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en_US
dc.rightsThis Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).
dc.rightsIn Copyright (InC)
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subjectEnvironmental Sciencesen_US
dc.subjectGeosciences, Multidisciplinaryen_US
dc.subjectEnvironmental Sciences & Ecologyen_US
dc.subjectGeologyen_US
dc.subjectN mineralizationen_US
dc.subjectnitrificationen_US
dc.subjectdenitrificationen_US
dc.subjectmicrobial respirationen_US
dc.subjectsoil profileen_US
dc.subjectRIPARIAN ZONESen_US
dc.subjectSHALLOW GROUNDWATERen_US
dc.subjectLANDSCAPE POSITIONen_US
dc.subjectORGANIC-CARBONen_US
dc.subjectNITROGENen_US
dc.subjectDENITRIFICATIONen_US
dc.subjectECOSYSTEMen_US
dc.subjectTERRESTRIALen_US
dc.subjectCATCHMENTen_US
dc.subjectHYDROLOGYen_US
dc.titleSearching for biogeochemical hot spots in three dimensions: Soil C and N cycling in hydropedologic settings in a northern hardwood foresten_US
dc.typeArticle - Refereed
dc.description.versionPublished (Publication status)en_US
dc.title.serialJOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCESen_US
dc.identifier.doihttps://doi.org/10.1002/2013JG002589
dc.identifier.volume119en_US
dc.identifier.issue8en_US
pubs.organisational-group/Virginia Tech
pubs.organisational-group/Virginia Tech/All T&R Faculty
pubs.organisational-group/Virginia Tech/Engineering
pubs.organisational-group/Virginia Tech/Engineering/COE T&R Faculty
pubs.organisational-group/Virginia Tech/Engineering/Electrical and Computer Engineering
pubs.organisational-group/Virginia Tech/Natural Resources & Environment
pubs.organisational-group/Virginia Tech/Natural Resources & Environment/CNRE T&R Faculty
pubs.organisational-group/Virginia Tech/Natural Resources & Environment/Water Resources Research Center


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