ZHANG Xiaodong,GUO Zhengsheng.Mechanism of the Response of Stable Isotopes of Precipitation to ENSO Events in Fuzhou[J].Research of Soil and Water Conservation,2020,27(01):221-226.
福州降水稳定同位素对ENSO事件的响应机制
- Title:
- Mechanism of the Response of Stable Isotopes of Precipitation to ENSO Events in Fuzhou
- 文章编号:
- 1005-3409(2020)01-0221-06
- Keywords:
- stable isotopes; ENSO; OLR field; ITCZ; Fuzhou
- 分类号:
- P342
- 文献标志码:
- A
- 摘要:
- ENSO事件背景下的水汽源区变化在很大程度上影响着季风区水循环过程,基于福州的降水同位素及气象数据,研究了ENSO背景下δ18 O的时空分布特征,并利用OLR(向外长波辐射)技术进一步探索降水中氢氧同位素特征对ENSO事件及水汽源区变化的响应机制。结果表明:水汽源区变化主要通过影响降水的年内分配,特别是雨季降水的时间分配状况影响δ18 O的年际变化; 各事件年大气降水线方程有着规律性的变化,拉尼娜年凸显出海洋性较强的气候特征; 厄尔尼诺年减弱雨季降水量效应而增强旱季反温度效应,拉尼娜年则削弱旱季反温度效应; 通过OLR场反演的水汽源区变化与福州稳定同位素特征有着较强的对应关系,西太平洋水汽源区的位置与对流强度的变化是ENSO事件年中影响福州降水稳定同位素变化的主要因素。
- Abstract:
- The variation of moisture sources under the background of ENSO has a great influence on the hydrological cycle process in monsoon area. Based on the precipitation isotope and meteorological data of Fuzhou, the temporal and spatial distribution characteristics of δ18 O were studied under the background of ENSO, and the mechanism of response of hydrogen and oxygen isotopic characteristics of precipitation to ENSO events was further explored by OLR technology. The results show that the variation of moisture source prominently affects the annual distribution of precipitation, especially the temporal distribution of precipitation in rainy season, which affects the interannual change of δ18 O; the Meteoric Water Line of each ENSO event changes regularly, and the La Nina year highlights the stronger oceanic characteristics; the El Nino year weakens the precipitation effect in rainy season. Meanwhile, the anti-temperature effect in dry season is strengthened, while that in La Nina year is weakened; the variation of moisture sources inverted by OLR field strongly corresponds to the stable isotope characteristics in Fuzhou, and the changes of location and convective intensity of moisture sources in the western Pacific Ocean are the main factors causing the stable isotope variation of precipitation in Fuzhou during ENSO event year.
参考文献/References:
[1] 刘杨民,张明军,王圣杰,等.基于GCM的西北干旱区降水稳定氢氧同位素年际变化模拟[J].水土保持研究,2016,23(1):260-267,277.
[2] 孙从建,张子宇,李捷,等.青藏高原西北部大气降水稳定同位素时空特征变化[J].山地学报,2018,36(2):217-228.
[3] Peng T R, Wang C H, Huang C C, et al. Stable isotopic characteristic of Taiwan’s precipitation:A case study of western Pacific monsoon region[J]. Earth and Planetary Science Letters, 2010,289(3/4):357-366.
[4] 赵侃,陈仕涛,崔英方,等.神农架石笋记录的近200年东亚季风变化及其ENSO响应[J].地理研究,2015,34(1):74-84.
[5] Vimeux F, Tremoy G, Risi C, et al. A strong control of the South American SeeSaw on the intra-seasonal variability of the isotopic composition of precipitation in the Bolivian Andes[J]. Earth and Planetary Science Letters, 2011,307(1/2):47-58.
[6] Tremoy G, Vimeux F, Mayaki S, et al. A1-year long δ18O record of water vapor in Niamey(Niger)reveals insightful atmospheric processes at different timescales[J]. Geophysical Research Letters, 2012,39(8):85-93.
[7] Kurita N. Water isotopic variability in response to mesoscale convective system over the tropical ocean[J]. Journal of Geophysical Research Atmospheres, 2013,118(18):10376-10390.
[8] Gao J, Masson-Delmotte V, Yao T, et al. Precipitation water stable isotopes in the south Tibetan Plateau: observations and modeling[J]. Journal of Climate, 2011,24(13):3161-3178.
[9] He Y, Risi C, Gao J, et al. Impact of atmospheric convection on south Tibet summer precipitation isotopologue composition using a combination of in situ measurements, satellite data, and atmospheric general circulation modeling[J]. Journal of Geophysical Research Atmospheres, 2015,120(9):3852-3871.
[10] 薛积彬,钟巍,赵引娟,等.珠江三角洲地区降水中δ18O的变化特征及与ENSO的关系[J].地理科学,2007,27(6):825-830.
[11] 黄一民,宋献方,章新平,等.洞庭湖流域降水同位素与ENSO关系研究[J].地理科学,2017,37(5):792-798.
[12] 董小芳,杨华玮,张峦,等. ENSO事件对上海降水中氢氧同位素变化的影响[J].环境科学,2017,38(12):4991-5003.
[13] 郭政昇,郑国璋,赵培,等.水汽源区变化对黄河中游降水稳定同位素的影响[J].自然资源学报,2018,33(11):1979-1991.
[14] Vincent D G, Fink A, Schrage J M, et al. High-and low-frequency intraseasonal variance of OLR on annual and ENSO timescales[J]. Journal of Climate, 1998,11(5):968-986.
[15] Tang Y, Pang H, Zhang W, et al. Effects of changes in moisture source and the upstream rainout on stable isotopes in precipitation: A case study in Nanjing, eastern China[J]. Hydrology and Earth System Sciences, 19,10(2015-10-22),2015,12(4):3919-3944.
[16] 严宇,王雪松,周家斌.福州市区冬春季PM2.5污染特征与来源差异性分析[J].环境科学学报,2019,39(4):1049-1056.
[17] 陈虹颖,徐峰,李晓惠,等.近65年ENSO事件强度变化及时频特征研究[J].热带气象学报,2017,33(5):683-694.
[18] 郭政昇,王娟,赵培.珠江流域大气降水稳定性氢氧同位素特征[J].水文,2017,37(2):78-82.
[19] Yurtsever Y, Gat J R. Atmospheric waters[C]∥Gat J R, Gon-fiantini R. Stable Isotope Hydrology:Deuterium and Oxygen-18 in the Water Cycle. Vienna:International Atomic Energy Agency, 1981:103-142.
[20] Liu J, Song X, Yuan G, et al. Stable isotopic compositions of precipitation in China[J]. Tellus B:Chemical and Physical Meteorology, 2014,66(1):39-44.
[21] 柳鉴容,宋献方,袁国富,等.中国东部季风区大气降水δ18O的特征及水汽来源[J].科学通报,2009,54(22):3521-3531.
[22] 刘澄静,角媛梅,刘歆,等.基于氢氧稳定同位素的哈尼水稻梯田湿地水源补给分析[J].生态学杂志,2018,37(10):3092-3099.
[23] An W, Hou S, Zhang Q, et al. Enhanced recent local moisture recycling on the northwestern Tibetan Plateau deduced from ice core deuterium excess records:Moisture recycling on Tibetan Plateau[J]. Journal of Geophysical Research Atmospheres, 2017,122(23):12541-12556.
[24] Ropelewski C F, Halpert M S. Global and regional scale precipitation patterns associated with the El Ni?o/Southern Oscillation[J]. Monthly Weather Review, 1987,115(8):1606-1626.
相似文献/References:
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LIU Yangmin,ZHANG Mingjun,WANG Shengjie,et al.Interannual Variation of Stable Hydrogen and Oxygen Isotopes in Precipitation in Arid Northwest China Based on GCMs[J].Research of Soil and Water Conservation,2016,23(01):260.
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备注/Memo
收稿日期:2018-11-23 修回日期:2018-12-14
第一作者:张晓东(1973—),男,重庆黔江人,硕士研究生,讲师,研究方向:水文水资源及生物学。E-mail:2961329897@qq.com
通信作者:郭政昇(1993—),男,山西大同人,硕士研究生,研究方向:同位素水文学。E-mail:1452952176@qq.com