Correlation between δ<sup>18</sup>O in precipitation and surface air temperature on different time-scale in China

ZHANG Lin CHEN Zongyu NIE Zhenlong LIU Fuliang JIA Yankun ZHANG Xiangyang

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Correlation between δ¹⁸O in precipitation and surface air temperature on different time-scale in China

更新时间：2021-03-12

- Correlation between δ¹⁸O in precipitation and surface air temperature on different time-scale in China
- NUCLEAR TECHNIQUES Issue 9, (2008)
- 作者机构：
  
  中国地质科学院水文地质环境地质研究所
- 作者简介：
- 基金信息：
  
  国家自然科学基金项目(40472125);中国地质科学院水文地质环境地质研究所基本科研业务费项目(SK200805)资助
- DOI：
  CLC： P332.8
- Published：01 September 2008
- 稿件说明：
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[1]张琳,陈宗宇,聂振龙,刘福亮,贾艳坤,张向阳.我国不同时间尺度的大气降水氧同位素与气温的相关性分析[J].核技术,2008(09):715-720.

ZHANG Lin CHEN Zongyu NIE Zhenlong LIU Fuliang JIA Yankun ZHANG Xiangyang. Correlation between δ¹⁸O in precipitation and surface air temperature on different time-scale in China[J]. Nuclear techniques, 2008, (9): 715-720.
[1]张琳,陈宗宇,聂振龙,刘福亮,贾艳坤,张向阳.我国不同时间尺度的大气降水氧同位素与气温的相关性分析[J].核技术,2008(09):715-720. DOI：

ZHANG Lin CHEN Zongyu NIE Zhenlong LIU Fuliang JIA Yankun ZHANG Xiangyang. Correlation between δ¹⁸O in precipitation and surface air temperature on different time-scale in China[J]. Nuclear techniques, 2008, (9): 715-720. DOI：

摘要

大气降水中的同位素组分与年平均气温之间的相关关系为古气候研究提供了独特的方法

其中

区域多年平均δ18O与平均气温之间相关关系以及特定地区年平均δ18O与气温之间相关关系是古气候重建研究的一种独特方法。本文以我国大气降水同位素监测数据（1985-2002）为基础

对单个站点、多个站点进行月尺度和年际尺度的δ18O与气温相关分析。研究结果表明:大致以34°

6°N以北降水δ18O与气温呈正相关关系

在季节性时间尺度上

中国北方大气降水δ18O的温梯度约为0.34‰℃-1;在年际或更长时间尺度上

δ18O温度梯度为0.52‰℃-1。

Abstract

The relation between isotopic compositions of precipitation and surface air temperature provides a unique tool for paleoclimate studies

among which the relation between long term changes in δ 18O of precipitation and surface air temperature at different stations or in a given location seems to be the most appropriate to paleoclimatic reconstructions. Analysis was conducted on monthly and annual mean δ 18O content of precipitation and surface air temperature at spatial and fixed locations by using the data of China (1985～2002) in Global Network of Isotopes in Precipitation (GNIP) Database. This study shows that there is a positive correlation between δ 18O of precipitation and surface air temperature for stations located in north of 34 ° ~ 36 ° N latitudes. The seasonal δ 18O-temperature gradient derived from the monthly data of 12 stations in northern China is about 0.34‰℃-1. The δ 18O-temperature gradient

however

derived from the long term annual mean data of 13 stations

is about 0.52‰℃-1

which is substantially larger than the seasonal gradient.

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Correlation between δ18O in precipitation and surface air temperature on different time-scale in China

DOI：

摘要

Abstract

关键词

Keywords

references

Correlation between δ¹⁸O in precipitation and surface air temperature on different time-scale in China