An empirical regression model of soluble phosphorus retention for small pristine streams evaluating tracer experiments

DC FieldValueLanguage
dc.contributor.authorSchulz, Marcus
dc.contributor.authorBischoff, Maik
dc.contributor.authorKlasmeier, Joerg
dc.contributor.authorBerlekamp, Juergen
dc.contributor.authorMatthies, Michael
dc.date.accessioned2021-12-23T15:58:26Z-
dc.date.available2021-12-23T15:58:26Z-
dc.date.issued2008
dc.identifier.issn10151621
dc.identifier.urihttps://osnascholar.ub.uni-osnabrueck.de/handle/unios/3376-
dc.description.abstractModels of in-stream phosphorus retention either lack high spatial and temporal resolution, or need a high number of input parameters. We provide a simple new approach that deals with these deficits. Soluble reactive phosphorus (SRP) tracer studies based on the nutrient spiralling concept were evaluated to derive a simple model that explains SRP retention. SRP uptake length (SRP-S-w) was considered to be a measure of transient SRP storage and was transformed to load-weighted retention (R) using an exponential relationship. Stream order (so) and flow velocity (u) were considered as input parameters to explain SRP uptake length. Model validation showed significant correlation with measured uptake lengths. The model explained 46% of SRP retention, and simulated and measured retention were in the same order of magnitude. Our model may act in concert with emission models to account for lateral SRP sources within the catchment. Although our empirical model does not describe biological processes and is not a substitute for detailed biogeochemical studies, it provides an efficient tool to predict load-weighted soluble nutrient retention and nutrient transport to downstream systems and is applicable in most small pristine streams.
dc.language.isoen
dc.publisherSPRINGER BASEL AG
dc.relation.ispartofAQUATIC SCIENCES
dc.subjectempirical model
dc.subjectEnvironmental Sciences
dc.subjectEnvironmental Sciences & Ecology
dc.subjectFOREST STREAM
dc.subjectLimnology
dc.subjectMACROPHYTES
dc.subjectMarine & Freshwater Biology
dc.subjectMECHANISMS
dc.subjectMEDITERRANEAN STREAM
dc.subjectNEW-ZEALAND
dc.subjectNITROGEN-RETENTION
dc.subjectNUTRIENT RETENTION
dc.subjectnutrient spiralling
dc.subjectretention
dc.subjectsoluble reactive phosphorus
dc.subjectWATERSHEDS
dc.titleAn empirical regression model of soluble phosphorus retention for small pristine streams evaluating tracer experiments
dc.typejournal article
dc.identifier.doi10.1007/s00027-008-8046-9
dc.identifier.isiISI:000256426400002
dc.description.volume70
dc.description.issue2
dc.description.startpage115
dc.description.endpage122
dc.identifier.eissn14209055
dc.publisher.placePICASSOPLATZ 4, BASEL, 4052, SWITZERLAND
dcterms.isPartOf.abbreviationAquat. Sci.
crisitem.author.deptInstitut für Umweltsystemforschung-
crisitem.author.deptidresearchcenter5-
crisitem.author.parentorgUniversität Osnabrück-
crisitem.author.netidKlJo590-
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