NOAA/WDS Paleoclimatology - Marcinkowski - South Cascade Glacier - TSME - ITRDB WA147
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI study type is Tree Ring. The data include parameters of tree ring with a geographic location of Washington, United States Of America. The time period coverage is from 558 to -61 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.
- Cite as: Marcinkowski, K.; Peterson, D.L. (2018-06-22): NOAA/WDS Paleoclimatology - Marcinkowski - South Cascade Glacier - TSME - ITRDB WA147. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/kmpn-8j17. Accessed [date].
- Please refer to Credit tab for full citation information.
- doi:10.25921/kmpn-8j17
- noaa-tree-24474
- NCEI DSI 1200_02
- NCEI DSI 1200_01
noaa-tree-24474
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
Distributor | NOAA National Centers for Environmental Information
ncei.info@noaa.gov |
Dataset Point of Contact | NOAA National Centers for Environmental Information
ncei.info@noaa.gov |
Dataset Point of Contact | Data Center Contact
NOAA World Data Service for Paleoclimatology 828-271-4800 paleo@noaa.gov |
Coverage Description | Date Range: 1392 CE to 2011 CE; Date Range: 558 cal yr BP to -61 cal yr BP; |
Time Period | 1392 to 2011 |
Spatial Bounding Box Coordinates |
N: 48.373604
S: 48.373604
E: -121.078867
W: -121.078867
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Spatial Coverage Map |
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Data Presentation Form | Digital table - digital representation of facts or figures systematically displayed, especially in columns
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Dataset Progress Status | Complete - production of the data has been completed |
Data Update Frequency | Data update frequency not available |
Supplemental Information |
STUDY NOTES: NOAA Template Raw Measurements file added 2019-02-08.
ABSTRACT SUPPLIED BY ORIGINATOR: Mountain hemlock growth chronologies were used to reconstruct the mass balance of South Cascade Glacier, an alpine glacier in the North Cascade Range of Washington State. The net balance reconstruction spans 350 years, from 1659 to 2009. Summer and winter balances were reconstructed for 1346-2009 and 1615-2009, respectively. Relationships between mass balance and winter precipitation, temperature, the Pacific Decadal Oscillation index, and the El Nino Southern Oscillation index indicate that these influence glacier balance at various temporal scales. Above-average net, summer, and winter mass balance occurred mainly in 1690-1710, 1810-1820, 1845-1860, 1865-1890, and 1975-1990, and below-average balance periods include 1680-1690, 1790-1810, 1820-1840, and 1930-1960. Above- and below-average reconstructed mass balances at South Cascade Glacier were concurrent with similar periods from other glacier balance reconstructions in the Pacific Northwest region of North America. Agreement among these records suggests that changes in South Cascade Glacier mass balance are good indicators of regional balance fluctuations, and glaciers in the Pacific Northwest are responding similarly to regional external forcings. The current rate of decline, from 2000 to 2009, in the reconstructed balance record has been faster than any decline in a century. This decreasing trend is projected to continue with increasing temperatures, and will likely affect glacier-influenced water resources in the Pacific Northwest. |
Purpose | Tree ring data from the International Tree Ring Data Bank and World Data Center for Paleoclimatology archives. Most data sets include raw treering measurements (most are annual ring width, with some collections of earlywood or latewood width or wood density), plus chronologies (standardized growth indices for a site compiled from multiple treering samples). Reconstructions of climate variables are included with some of these data sets. Each data type is stored in a separate data file; the data type is coded into the file name. For details please see: http://www.ncei.noaa.gov/products/paleoclimatology/tree-ring |
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Theme keywords | Global Change Master Directory (GCMD) Science Keywords
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Data Center keywords | Global Change Master Directory (GCMD) Data Center Keywords
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Last Modified: 2023-05-22
For questions about the information on this page, please email: ncei.info@noaa.gov