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 Posted: Fri 7:32, 18 Feb 2011 Post subject: mbt shoes sale Yili by tree-ring reconstruction of |
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Yili by tree-ring reconstruction of precipitation in the western Tianshan Mountains south sequence
teStatisticdiagno-sjs. [M]. Beijing: MeteorologyPublishingHouse ,1990.63-65. (Wei Fengying. Modern diagnosis and prediction of climate statistics [M]. Beijing: China Meteorological Press ,1999.63-65.] Reconstructionofprecipitationseriesfromtree-ringsatthenorthernslopesofsouthTianshanmountainsofYiliprefectureFANMin-jie a, YUANYu-jiang, WEIWen-shou, YUShu-long (1InstituteofDesertMeteorology, CMA, Urumqi830002, Xinfiang, China; 2CollegeofandEnvironmentscience, XinfiangNormalUnivers # r, Urumqi830002,[link widoczny dla zalogowanych], Xinjiang,[link widoczny dla zalogowanych], China) Abstract: Accordingto11samplesatthenorthernslopesofSouthTianshanMountaininYiliPrerfecture, thepaperestablishesthreekindsofchronologicalseriesforeachsample.ResultsofPearsoncorrelationanalysisindicatethatthecorrelationissignificantbetweentree-ringstandardizedchronologyandtheprecipitationfromJanuarytotheMayinthecurrentyear.whichhasdistinctphysiologicalsignificance.Using4tree-ringstandardizedchronologiesinXinyuanupperlimit (XNA),[link widoczny dla zalogowanych], Zhaosuupperlimit (Z, Z +2) andTekesilowerlimit (TLI), theprecipitationofthenorthernslopesofSouthTianshanMountainsinYiliPrefectureiswellreconstructedinthatperiodoftime.Thetimeseriesreconstructedisstableandcredibleunderthecrossing-testverification.TheresultssuggestthattheprecipitationintheregionfromJanuarytotheMayintherecent300aappeared6dryperiodsand6wetperiods; sub-circleperiodsof2.0-2.8a, 24.8a, 28.3a,[link widoczny dla zalogowanych], 33a, 99a.Severalabruptchangesofprecipitationoccurredin1740, 1870,1909,[link widoczny dla zalogowanych], amongwhichtheabruptchangein1870wasthemostsignificant.KeyWords: thenorthernslopesofSouthTianshanMountainsofYiliprefecture; tree-ring; thereconstructedpre-cipitationseries; thechangeofdryandwetstages
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