Northeastern Tibetan Plateau 3500 Year Annual Precipitation Reconstruction Yang, B.; Qin, C.; Wang, J.L.; He, M.H.; Melvin, T.M.; Osborn, T.J.; Briffa, K.R. Yang, B. Qin, C. Wang, J.L. He, M.H. Melvin, T.M. Osborn, T.J. Briffa, K.R. Precipitation Reconstruction precipitation JUPR Juniperus przewalskii Komarov = Sabina przewalskii Komarov Qilianshan juniper earth science/paleoclimate/climate reconstructions|tree ring (age,null,null,year Common Era,null,climate reconstructions|tree ring,null,null,N,null) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,null,millimeter,Jul-Jun,climate reconstructions|tree ring,null,null,N,null) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,one standard deviation,millimeter,Jul-Jun,climate reconstructions|tree ring,null,null,N,1 SD total uncertainty of unfiltered reconstruction) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,one standard deviation,millimeter,Jul-Jun,climate reconstructions|tree ring,filtered,null,N,>10 year filter; 1 SD total uncertainty of >10 year filtered reconstruction) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,one standard deviation,millimeter,Jul-Jun,climate reconstructions|tree ring,filtered,null,N,>50 year filter; 1 SD of precipitation representation uncertainty of >10 year filtered reconstruction) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,null,millimeter,Jul-Jun,climate reconstructions|tree ring,filtered,null,N,>10 year filter) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,one standard deviation,millimeter,Jul-Jun,climate reconstructions|tree ring,filtered,null,N,>50 year filter; 1 SD of chronology error of >10 year filtered reconstruction) earth science/paleoclimate/instrumental (precipitation,null,null,millimeter,Jul-Jun,instrumental,filtered,null,N,>10 year filter) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,one standard deviation,millimeter,Jul-Jun,climate reconstructions|tree ring,filtered,null,N,>10 year filter; 1 SD of precipitation representation uncertainty of >10 year filtered reconstruction) earth science/paleoclimate/instrumental (precipitation,null,null,millimeter,Jul-Jun,instrumental,filtered,null,N,>50 year filter) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,one standard deviation,millimeter,Jul-Jun,climate reconstructions|tree ring,null,null,N,1 SD of precipitation representation uncertainty of unfiltered reconstruction) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,null,millimeter,Jul-Jun,climate reconstructions|tree ring,filtered,null,N,>50 year filter) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,one standard deviation,millimeter,Jul-Jun,climate reconstructions|tree ring,null,null,N,1 SD of chronology error of unfiltered reconstruction) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,one standard deviation,millimeter,Jul-Jun,climate reconstructions|tree ring,filtered,null,N,>10 year filter; 1 SD of chronology error of >10 year filtered reconstruction) earth science/paleoclimate/instrumental (precipitation,null,null,millimeter,Jul-Jun,instrumental,null,null,N,null) earth science/paleoclimate/climate reconstructions|tree ring (precipitation,ring width,one standard deviation,millimeter,Jul-Jun,climate reconstructions|tree ring,filtered,null,N,>50 year filter; 1 SD total uncertainty of >10 year filtered reconstruction) earth science/paleoclimate/reconstructions (Northeastern Tibetan Plateau>LATITUDE >LONGITUDE ) An annually resolved and absolutely dated ring-width chronology spanning 4,500 y has been constructed using subfossil, archaeological, and living-tree juniper samples from the northeastern Tibetan Plateau. The chronology represents changing mean annual precipitation and is most reliable after 1500 B.C. Reconstructed precipitation for this period displays a trend toward more moist conditions: the last 10-, 25-, and 50-y periods all appear to be the wettest in at least three and a half millennia. Notable historical dry periods occurred in the 4th century BCE and in the second half of the 15th century CE. The driest individual year reconstructed (since 1500 B.C.) is 1048 B.C., whereas the wettest is 2010. Precipitation variability in this region appears not to be associated with inferred changes in Asian monsoon intensity during recent millennia. The chronology displays a statistical association with the multidecadal and longer-term variability of reconstructed mean Northern Hemisphere temperatures over the last two millennia. This suggests that any further large-scale warming might be associated with even greater moisture supply in this region. STUDY NOTES: Reconstructed annual precipitation for the Northeastern Tibetan Plateau for the past ~3500 years, based on tree ring data (Juniperus przewalskii Kom.). The reconstructed values represent annual precipitation totals (mm) for the previous July to current June for the NE Tibetan Plateau region, as shown in Fig. 3. of Wang et al. 2014. The confidence interval values given here represent 1 standard deviation of the two components of reconstruction uncertainty (chronology error and precipitation representation uncertainty) and the combined total reconstruction uncertainty. The latter is the square root of the sum of the three error/uncertainty components. For further information, see the Yang et al. (2014) paper and the suppplementary material available at: http://www.cru.uea.ac.uk/cru/papers/yang2013pnas/ NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : Yang, B. Investigator : Qin, C. Investigator : Wang, J.L. Investigator : He, M.H. Investigator : Melvin, T.M. Investigator : Osborn, T.J. Investigator : Briffa, K.R. 2014-02-10 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/16034 https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/asia/china/ne-tibet2014precip.txt https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/asia/china/ne-tibet2014precip.txt English https://www.ncdc.noaa.gov/paleo/study/16034 https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/asia/china/ne-tibet2014precip.txt Bao Yang, Chun Qin, Jianglin Wang, Minhui He, Thomas M. Melvin, Timothy J. Osborn and Keith R. Briffa2014A 3500-year tree-ring record of annual precipitation on the northeastern Tibetan PlateauProceedings of the National Academy of Sciences11182903-290810.1073/pnas.1319238111http://www.pnas.org/content/111/8/2903.abstract?sid=07288b87-a090-4a2f-8d4c-e0cdbf62b9da START YEAR: -2637 AD * END YEAR: 2011 AD 97 37 100 38.7