Stable isotopic compositions of precipitation in China
Liu, JR; Song, XF; Yuan, GF; Sun, XM; Yang, LH
2014
发表期刊TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY
ISSN0280-6509
卷号66页码:-
摘要During the mid-1980s, there were 31 stations in China that successfully participated in the Global Network of Isotopes in Precipitation. However, most observations were suspended after the mid-1990s. The discontinuous data hindered the application of precipitation isotopes, which are strongly affected in China by the Asian monsoon and are thus of intrinsic interest for palaeoclimatologists. Therefore, to continuously observe precipitation isotopes nationwide, the Chinese Network of Isotopes in Precipitation was established in 2004. The current study reviewed the major characteristics of the 928 samples that were collected from 2005 to 2010. The ranges of delta D and delta O-18 values generally followed the pattern NE > NW > TP > NC > SC, and the amount-weighted delta-values followed the pattern SC > NW > NC > TP > NE. Temporal variations presented a 'V'-shaped pattern at the SC region and reverse 'V'-shaped patterns at the NE and NW regions. Decreasing trends with the advent of the rainy season were found at the NC and TP regions. The Chinese Meteoric Water Line has been established as delta D = 7.48 delta O-18 + 1.01. The distributions of scattering along the line demonstrated different water vapour origins and characteristics. The values of delta O-18 showed strong temperature dependence at the NE (0.27 parts per thousand/degrees C) and NW stations (0.37 parts per thousand/degrees C), and this dependent variable switched to water vapour pressure and vapour pressure at the SC stations. The geographical controls of delta O-18 were -0.22 parts per thousand/degrees and -0.13 parts per thousand/100 m for latitude and altitude, respectively. The delta O-18/Latitude gradient increased from south to north at the Eastern Monsoon Region, and the delta O-18/Altitude gradient (-0.30 parts per thousand/100 m) was especially significant for the TP region. The results of this study could provide basic isotopic information for on-going investigations in hydrology, meteorology, palaeoclimatology and ecology at different regions of China.
文章类型Journal
关键词delta D delta O-18 CHNIP GNIP environmental controls multiple non-linear stepwise regressions
学科领域Meteorology & Atmospheric Sciences
研究领域[WOS]Meteorology & Atmospheric Sciences
关键词[WOS]ICE CORES ; DELTA-O-18 ; BASIN ; TEMPERATURE ; HYDROLOGY ; MONSOON ; PLATEAU ; REGION ; O-18 ; ASIA
收录类别SCI
语种英语
WOS记录号WOS:000332837300001
出版者CO-ACTION PUBLISHING
引用统计
被引频次:33[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.igsnrr.ac.cn/handle/311030/44600
专题生态系统网络观测与模拟院重点实验室_生态网络实验室
推荐引用方式
GB/T 7714
Liu, JR,Song, XF,Yuan, GF,et al. Stable isotopic compositions of precipitation in China[J]. TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY,2014,66:-.
APA Liu, JR,Song, XF,Yuan, GF,Sun, XM,&Yang, LH.(2014).Stable isotopic compositions of precipitation in China.TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY,66,-.
MLA Liu, JR,et al."Stable isotopic compositions of precipitation in China".TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY 66(2014):-.
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