{"NOAAStudyId":"22372","contactInfo":{"address":"325 Broadway, E/NE31","city":"Boulder","constraints":"Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site.","country":"USA","dataCenterUrl":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data","email":"paleo@noaa.gov","fax":"303-497-6513","longName":"National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce ","phone":"303-497-6280","postalCode":"80305-3328","shortName":"DOC/NOAA/NESDIS/NCEI","state":"CO","type":"CONTACT INFORMATION"},"contributionDate":"2017-05-31","dataPublisher":"NOAA","dataType":"TREE RING","dataTypeInformation":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/tree-ring","difMetadataLink":"http://www1.ncdc.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-tree-22372.xml","doi":"https://doi.org/10.25921/y0kg-f958","earliestYearBP":442,"earliestYearCE":1508,"entryId":"noaa-tree-22372","funding":[{"fundingAgency":"US National Science Foundation","fundingGrant":"AGS-1102757, AGS-1304422"}],"investigators":"Wise, E.K.; Beyerlein, A.; Csank, A.Z.; Dannenberg, M.P.; Knight, T.A.; McAfee, S.","mostRecentYearBP":-63,"mostRecentYearCE":2013,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/22372","originalSource":null,"publication":[{"abstract":"Moisture delivery to western North America is closely linked to variability in the westerly storm tracks of midlatitude cyclones, which are, in turn, modified by larger-scale features such as the El Niño-Southern Oscillation system. Instrumental and modeling data suggest that extratropical storm tracks may be intensifying and shifting poleward due to anthropogenic climate change, but it is difficult to separate recent trends from natural variability because of the large amount of decadal and longer variation in storm tracks and their limited instrumental record. We reconstruct cool-season, midlatitude Pacific storm-track position and intensity from 1693 to 1995 CE using existing tree-ring chronologies along with a network of newly developed chronologies from the U.S. Pacific Northwest, where small variations in storm-track position can have a major influence on hydroclimate patterns. Our results show high interannual-to-multidecadal variability in storm-track position and intensity over the past 303 years, with spectral signatures characteristic of tropical and northern Pacific influences. Comparison with reconstructions of precipitation and tropical sea surface temperature confirms the relationship between shifting drought patterns in the Pacific Northwest and storm-track variability through time and demonstrates the long-term influence of El Niño. These results allow us to place recent storm-track changes in the context of decadal and multidecadal fluctuations across the long-term record, showing that recent changes in storm-track intensity likely represent a warming-related increase amplified by natural decadal variability.","author":{"name":"Erika K. Wise and Matthew P. Dannenberg"},"citation":"Erika K. Wise and Matthew P. Dannenberg. 2017. Reconstructed storm tracks reveal three centuries of changing moisture delivery to North America. Science Advances, 3(6), e1602263. doi: 10.1126/sciadv.1602263","edition":"e1602263","identifier":{"id":"10.1126/sciadv.1602263","type":"doi","url":"http://dx.doi.org/10.1126/sciadv.1602263"},"issue":"6","journal":"Science Advances","pages":null,"pubRank":"1","pubYear":2017,"reportNumber":null,"title":"Reconstructed storm tracks reveal three centuries of changing moisture delivery to North America","type":"publication","volume":"3"}],"reconstruction":"N","scienceKeywords":["PIPO","ponderosa pine","western yellow pine","Pinus ponderosa Douglas ex C. Lawson"],"site":[{"NOAASiteId":"57341","geo":{"geoType":"Feature","geometry":{"coordinates":["48.59","-119.14"],"type":"POINT"},"properties":{"easternmostLongitude":"-119.14","maxElevationMeters":"1150","minElevationMeters":"1150","northernmostLatitude":"48.59","southernmostLatitude":"48.59","westernmostLongitude":"-119.14"}},"locationName":"Continent>North America>United States Of America>Washington","mappable":"Y","paleoData":[{"NOAADataTableId":"33498","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/correlation-stats/wa140.txt","linkText":"wa140.txt","urlDescription":"Correlation Stats","variables":[]},{"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/wa140.rwl","linkText":"wa140.rwl","urlDescription":"Raw Measurements","variables":[{"cvAdditionalInfo":null,"cvDataType":"TREE RING","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"year Common Era","cvWhat":"age variable>age"},{"cvAdditionalInfo":"units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999","cvDataType":"TREE RING","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"}]},{"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/wa140-noaa.rwl","linkText":"wa140-noaa.rwl","urlDescription":"Raw Measurements - NOAA Template File","variables":[{"cvAdditionalInfo":null,"cvDataType":"TREE RING","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":"age_CE","cvUnit":"year Common Era","cvWhat":"age variable>age"},{"cvAdditionalInfo":"Tree ID: SND018B; 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