Ecosystem metabolism for an arctic warm spring-stream https://data.eol.ucar.edu/dataset/106.336 Summary This dataset investigated the productivity of a perennial, Arctic spring-stream. Ivishak Spring has the stable discharge (~131 L/s) and temperature (~4-8 deg C) typical for springs. It is unusual, however, in having an annual cycle of daylight from 24 hrs/d (summer) to 0 hrs/d (winter). It tested the hypothesis that stored detritus would buffer carbon limitation during winter when gross primary production (GPP) is minimized, resulting in constant rates of community respiration (CR) year-round due to constant temperatures. It used open-channel methods to measure GPP and CR monthly from March 2007 to August 2009. Mean annual GPP was 458 gC/m2. Such a level is typical for temperate desert-streams but was surprising for an Arctic stream. Annual CR (887 gC/m2) was also remarkable. The high metabolism of this stream is explained by an open canopy, moderate year-round temperatures, stable bed, and high bryophyte biomass (48 gAFDM/m2). Strong seasonal cycles of GPP were mirrored by CR (r=0.65) indicating the possibility of carbon limitation during winter. This result falsified our hypothesis that CR would be relatively stable year-round due to a detritus buffer and constant temperature The data are in tab delimited, and Excel spreadsheet files. Note: these data are in process, with updates possible. Identifiers * Local archive identifier: 106.336 * doi:10.5065/D6WH2N4K https://doi.org/10.5065/D6WH2N4K Versions 1.0 Citation Huryn, A., Benstead, J., Huryn, A. 2011. Ecosystem metabolism for an arctic warm spring-stream. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.5065/D6WH2N4K Accessed 28 Mar 2024. Additional citation styles can be generated by entering the DOI at CrossCite (https://citation.crosscite.org/). Acknowledgement In addition to the citation reference and any other acknowledgements, please acknowledge NCAR/EOL in your publications with text such as: Data provided by NCAR/EOL under the sponsorship of the National Science Foundation. https://data.eol.ucar.edu/ Related projects * ARCSS: NSF Arctic System Science https://data.eol.ucar.edu/project/ARCSS * ACADIS: Advanced Cooperative Arctic Data and Information Service https://data.eol.ucar.edu/project/ACADIS Additional information * Spatial Type: point * Frequency: 3 minute * Language: English Grant Code 0611995 ISO Topic Categories * inlandWaters Categories * Arctic * Biology * Chemistry * Ecology * Production * Terrestrial Ecosystems * Water Chemistry Platforms * Hydrological Stations Instruments * Photosynthetically Active Radiation Sensor GCMD Science Keywords * EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > WATER CHARACTERISTICS > WATER TEMPERATURE * EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > GASES > DISSOLVED GASES * EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > FRESHWATER ECOSYSTEMS > RIVERS/STREAM * EARTH SCIENCE > BIOSPHERE > VEGETATION > PHOTOSYNTHETICALLY ACTIVE RADIATION Documentation * Ivishak_Spring_DIEL_LT_AP_DO_TEMP_README_file.pdf [27 KiB] https://data.eol.ucar.edu/file/download/422DC1171295/Ivishak_Spring_DIEL_LT_AP_DO_TEMP_README_file.pdf Related links * companion: 106.350: Temperature, discharge and light data for Ivishak Hot Spring, Alaska https://data.eol.ucar.edu/dataset/106.350 * download: NSF Arctic Data Center https://doi.org/10.5065/D6WH2N4K * info: ARCSS Data Policy https://data.eol.ucar.edu/arctic_projects/arcss/Data_Policy.html * homepage: ARCSS EOL Webpage https://www.eol.ucar.edu/field_projects/arcss Temporal coverage * Begin datetime: 2007-03-01 00:00:00 * End datetime: 2009-08-31 23:59:59 Spatial coverage * Maximum (North) Latitude: 69.0251 * Minimum (South) Latitude: 69.02367 * Minimum (West) Longitude: -147.72067 * Maximum (East) Longitude: -147.71943 Primary contact information * pointOfContact: Alexander D. Huryn https://data.eol.ucar.edu/contact/show/893 Additional contact information * author: Alexander D. Huryn https://data.eol.ucar.edu/contact/show/893 * author: Jonathan P. Benstead https://data.eol.ucar.edu/contact/show/1066 * originator: Alexander D. Huryn https://data.eol.ucar.edu/contact/show/893 * principalInvestigator: Alexander D. Huryn https://data.eol.ucar.edu/contact/show/893 * principalInvestigator: Jonathan P. Benstead https://data.eol.ucar.edu/contact/show/1066 Alternate metadata formats * DataCite: https://data.eol.ucar.edu/dataset/106.336?format=datacite * ISO/TC 211: https://data.eol.ucar.edu/dataset/106.336?format=isotc211