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降水,云与大气CO_2浓度的年际波动 被引量：4

Precipitation, Cloud and Atmospheric CO_2 Interannual Variability
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摘要 观测资料显示大气CO2 浓度具有非常明显的年际变化 .通过分析年平均降水量和夏威夷MaunaLoa站大气CO2 浓度的关系 ,发现大气CO2 浓度年际增长量与全球陆地降水的年际增长量成正相关 ,提出了亚洲季风区云量变化对生态系统净生产力 (NEP)有显著影响的假设 .利用更高分辨率的月平均温度和降水资料 ,进一步分析研究大气CO2 浓度的年际变化与温度以及降水变化的关系 ;利用 1 984～ 1 993年的月平均卫星云资料 ,研究了云量变化与大气CO2 浓度变化关系 ,结果发现全球CO2 浓度年际增长量与低纬度地区陆地上空云量的年际增长量呈同步变化趋势 . Observation data show large interannual variability of atmospheric CO 2. By analyzing yearly mean observation data of global precipitation and atmospheric CO 2 mixing ratio at Mauna Loa Observatory, we have found a significant positive correlation between the interannual variability of CO 2 growth rate and the year-to-year changes in global land precipitation. We suggest that this positive correlation results mainly from the influence of clouds in Monsoon areas on terrestrial net ecosystem production (NEP). Here a set of monthly mean data of temperature, precipitation and atmospheric CO 2 is used to reanalyze their relationships. In addition, we use satellite-based monthly grid cloud data over the period of 1984～1993 to study its relationship with atmospheric CO 2 and find that the interannual variability of atmospheric CO 2 matches cloud cover growth rate.
作者 李阳春 杨昕 王明星 徐永福
机构地区 中国科学院大气物理研究所 中国科学院研究生院
出处 《中国科学院研究生院学报》 CAS CSCD 2005年第3期394-399,共6页 Journal of the Graduate School of the Chinese Academy of Sciences
基金 中国科学院知识创新工程重大项目 (KZCX1 SW 0 1 16) 中国科学院"引进国外杰出人才"项目资助
关键词 CO2 降水 云 年际增长量 CO_2, precipitation,cloud,growth rate
分类号 P4 [天文地球—大气科学及气象学]
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参考文献9

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同被引文献35

  • 1徐永福.The Buffer Capability of the Ocean to Increasing Atmospheric CO_2[J].Advances in Atmospheric Sciences,1992,9(4):501-510. 被引量：7
  • 2乔然,王彰贵,陈陟,李诗明,于艳红,吕洪刚.太平洋中低纬海水中的二氧化碳分布特征及其与海洋环境条件的关系[J].海洋学报,2005,27(6):30-37. 被引量：6
  • 3徐永福,李阳春,赵亮,李荣凤,俞永强.一个太平洋海盆尺度环流模式及其模拟结果[J].大气科学,2006,30(5):927-938. 被引量：9
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引证文献4

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中国科学院研究生院学报
2005年 第3期

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