Toolik Litter Study [Welker, J., J. Fahnestock] https://data.eol.ucar.edu/dataset/56.958 Summary The data set presented here represents part of a study that examined the ecological consequences of allochthonous litter deposition in tundra communities near Toolik Lake, Alaska. The study indicates that wintertime litter redistribution is an important mechanism of nutrient transfer across the Arctic landscape, increasing C and nutrient inputs to some portions of the landscape while decreasing their availability in other areas. Accumulation of windblown litter modifies the physical and chemical environment of patchy areas of the landscape and significantly alters some important biological processes such as respiration. Data are for control and litter plots and include net ecosystem CO2 exchange (umol m-2 s-1), photosynthesis (umol m-2 s-1), respiration (umol m-2 s-1), soil temperature at 5 cm (degrees C), and various dates for key phenological events (snow free, first green leaf visible, first flower petal visible, first flower open, first petal drop, last petal drop, first color change, and seed dispersal) for six important dry heath tundra plant species. The data span the time period of 19 June 1996 to 26 August 1998 UTC. Identifiers * Local archive identifier: 56.958 * doi:10.5065/D6736P4G https://doi.org/10.5065/D6736P4G Versions 1.0 Citation Welker, J., Fahnestock, J. 2007. Toolik Litter Study. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.5065/D6736P4G 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 * ITEX: International Tundra Experiment https://data.eol.ucar.edu/project/ITEX * ATLAS: Arctic Transitions in the Land-Atmosphere System https://data.eol.ucar.edu/project/ATLAS Additional information * Spatial Type: point * Frequency: no set schedule * Language: English ISO Topic Categories * climatologyMeteorologyAtmosphere Categories * Arctic * Surface * Trace Gases * Vegetation Platforms * Field Surveys Instruments * IRGA - Infrared Gas Analyzers * Visual Observations Sites * Toolik GCMD Science Keywords * EARTH SCIENCE > CLIMATE INDICATORS > LAND SURFACE/AGRICULTURE INDICATORS > LENGTH OF GROWING SEASON > FIRST LEAF DATE * EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > RESPIRATION RATE * EARTH SCIENCE > CLIMATE INDICATORS > LAND SURFACE/AGRICULTURE INDICATORS > LENGTH OF GROWING SEASON > FIRST BLOOM DATE * EARTH SCIENCE > BIOSPHERE > VEGETATION > LITTER CHARACTERISTICS * EARTH SCIENCE > BIOSPHERE > VEGETATION > PLANT PHENOLOGY * EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > PHOTOSYNTHESIS Documentation * toolik_litter_stdy.txt [5 KiB] https://data.eol.ucar.edu/file/download/4139560D/toolik_litter_stdy.txt Related links * info: ATLAS Data Policy https://data.eol.ucar.edu/arctic_projects/atlas/ATLAS_DM_Plan.html * homepage: EOL ATLAS website https://www.eol.ucar.edu/field_projects/atlas * homepage: ITEX EOL Homepage https://www.eol.ucar.edu/field_projects/itex Temporal coverage * Begin datetime: 1996-06-19 00:00:00 * End datetime: 1998-08-26 23:59:59 Spatial coverage * Maximum (North) Latitude: 68.63 * Minimum (South) Latitude: 68.63 * Minimum (West) Longitude: -149.59 * Maximum (East) Longitude: -149.59 Primary contact information * pointOfContact: Jeff M. Welker https://data.eol.ucar.edu/contact/show/257 Additional contact information * author: Jeff M. Welker https://data.eol.ucar.edu/contact/show/257 * author: Jace Fahnestock https://data.eol.ucar.edu/contact/show/1137 * principalInvestigator: Jeff M. Welker https://data.eol.ucar.edu/contact/show/257 * principalInvestigator: Jace Fahnestock https://data.eol.ucar.edu/contact/show/1137 Alternate metadata formats * DataCite: https://data.eol.ucar.edu/dataset/56.958?format=datacite * ISO/TC 211: https://data.eol.ucar.edu/dataset/56.958?format=isotc211