Spatial Distribution and Evolution of Moisture Index of Alpine Meadow in Tibet

杨文才

Journal of Agriculture ›› 2016, Vol. 6 ›› Issue (1) : 46-51.

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Abbreviation (ISO4): Journal of Agriculture      Editor in chief: Shiyan QIAO

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Journal of Agriculture ›› 2016, Vol. 6 ›› Issue (1) : 46-51. DOI: 10.11923/j.issn.2095-4050.casb16100024

Spatial Distribution and Evolution of Moisture Index of Alpine Meadow in Tibet

  • 杨文才
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Abstract

Abstract: To study the spatio-temporal variation laws of moisture index of alpine meadow in Tibet, according to the data on the average daily temperature and precipitation from 38 meteorological stations in Tibet and surroundings in 1971-2010, the authors adopted the moisture index (K) and the ArcGIS software to analyze the spatio-temporal variation laws of moisture index of alpine meadow in Tibet for nearly 40 years. The results showed that: (1) the average moisture index decreased from northeast and southwest to central Tibet, which appeared banded; (2) the variaton trends of moisture index had pronounced regional characteristics, some areas of Changdu and Rikaze had a increasing trend, conversely, other regions had a downward trend and obvious aridification; (3) the moisture index presented a trend with “increase-decrease”, resulted in the area decrease of alpine meadow from 94.61% in 1990s to 83.24% in the beginning of 21st century, this also proved that the aridification was significant in research regions; (4) the location of 1.2 contour of moisture index had a clear displacement, invaded to northeast and into alpine meadow and alpine steppes. The regions where the alpine meadow distributed should pay high attention to the drought phenomenon during the climate changing in the future.

Key words

Alpine Meadow; Moisture Index; Spatial-temporal Pattern; Aridification; Tibet

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杨文才. Spatial Distribution and Evolution of Moisture Index of Alpine Meadow in Tibet[J]. Journal of Agriculture. 2016, 6(1): 46-51 https://doi.org/10.11923/j.issn.2095-4050.casb16100024

References

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[4]范月君,侯向阳,石红霄,等.气候变暖对草地生态系统碳循环的影响[J].草业学报,2012,21(3): 294-302.
[5]黄文华,王树彦,韩冰,等.草地生态系统对模拟大气增温的响应[J].草业科学,2014,31(11):2069-2076.
[6]张强;韩兰英;张立阳,等.论气候变暖背景下干旱和干旱灾害风险特征与管理策略[J].地球科学进展,2014,29(1):80-91.
[7]姚玉璧,杨金虎,岳平,等.近50年三江源地表湿润指数变化特征及其影响因素[J].生态环境学报,2011,20(11):1585-1593.
[8]王莺,李耀辉,孙旭映.气候变化对黄河源区生态环境的影响[J].草业科学,2015,21(4):539-551.
[9]郑然.全球变暧背景下青藏高原气候变化特征及对沙漠化的影响[D].南京.南京信息工程大学硕士学位论文,2015.
[10]韩芳,刘朋涛,牛建明,等.50a来内蒙古荒漠草原气候干燥度的空间分布及其演变特征[J].干旱区研究,2013,30(3):449-456.
[11]左洪超,吕世华,胡隐樵.中国近50年气温及降水量的变化趋势分析[J].高原气象,2004,23(2):238-244.
[12]胡自治.草原分类学概论[M].北京:中国农业出版社,1997.
[13]王海梅,李政海,韩国栋,等.锡林郭勒盟气候干燥度的时空变化规律[J].生态学报,2010,30(23):6538-6545.
[14]徐维新,古松,苏文将,等.1971-2010年三江源地区干湿状况变化的空间特征[J].干旱区地理,2012,35(1):46-55.
[15]苏大学,薛世明.西藏自治区草地资源[M].北京:科学出版社,1994.
[16]邹德富,冯琦胜,王莺,等.基于GIS的甘南地区草原综合顺序分类研究[J].草业科学,2011,28(1):27-32.
[17]温珍治.厦门近113a来降水量变化特征分析[J].台湾海峡,2007,26(1):17-25.
[18]何红艳,郭志华,肖文发.降水空间插值技术的研究进展[J].生态学杂志,2005,24(10):1187-1191.
[19] The Intergovernmental Panel of Climate Change(IPCC).Climate Change 2007.Impacts adaptations and vulnerability:fourth assessment report of working groupⅡ[R].Cambridge,UK:Cambridge University Press,2007.
[20]吴建国,吕佳佳.气候变化对青藏高原高寒草甸适宜气候分布范围的潜在影响. [J].草地学报,2009,17(6):699-705.
[21]李英年,王启基,赵新全,等.气候变暖对高寒草甸气候生产潜力的影响. [J].草地学报,2000,8(1):23-29.
[22]许鹏.草地资源调查规划学[M].北京:中国农业出版社,2000.
[1]《第三次气候变化国家评估报告》编写委员会.第三次气候变化国家评估报告[M].北京:科学出版社,2015.
[2]张雪芹,孙杨,郑度,等.中国干旱区温度带界线对气候变暖的响应[J].地理学报,2011,66(9):1166-1178.
[3]郭连云,赵年武,田辉春.气候变暖对三江源区高寒草地牧草生育期的影响[J].草业科学,2011,28(4):618-625.
[4]范月君,侯向阳,石红霄,等.气候变暖对草地生态系统碳循环的影响[J].草业学报,2012,21(3): 294-302.
[5]黄文华,王树彦,韩冰,等.草地生态系统对模拟大气增温的响应[J].草业科学,2014,31(11):2069-2076.
[6]张强;韩兰英;张立阳,等.论气候变暖背景下干旱和干旱灾害风险特征与管理策略[J].地球科学进展,2014,29(1):80-91.
[7]姚玉璧,杨金虎,岳平,等.近50年三江源地表湿润指数变化特征及其影响因素[J].生态环境学报,2011,20(11):1585-1593.
[8]王莺,李耀辉,孙旭映.气候变化对黄河源区生态环境的影响[J].草业科学,2015,21(4):539-551.
[9]郑然.全球变暧背景下青藏高原气候变化特征及对沙漠化的影响[D].南京.南京信息工程大学硕士学位论文,2015.
[10]韩芳,刘朋涛,牛建明,等.50a来内蒙古荒漠草原气候干燥度的空间分布及其演变特征[J].干旱区研究,2013,30(3):449-456.
[11]左洪超,吕世华,胡隐樵.中国近50年气温及降水量的变化趋势分析[J].高原气象,2004,23(2):238-244.
[12]胡自治.草原分类学概论[M].北京:中国农业出版社,1997.
[13]王海梅,李政海,韩国栋,等.锡林郭勒盟气候干燥度的时空变化规律[J].生态学报,2010,30(23):6538-6545.
[14]徐维新,古松,苏文将,等.1971-2010年三江源地区干湿状况变化的空间特征[J].干旱区地理,2012,35(1):46-55.
[15]苏大学,薛世明.西藏自治区草地资源[M].北京:科学出版社,1994.
[16]邹德富,冯琦胜,王莺,等.基于GIS的甘南地区草原综合顺序分类研究[J].草业科学,2011,28(1):27-32.
[17]温珍治.厦门近113a来降水量变化特征分析[J].台湾海峡,2007,26(1):17-25.
[18]何红艳,郭志华,肖文发.降水空间插值技术的研究进展[J].生态学杂志,2005,24(10):1187-1191.
[19] The Intergovernmental Panel of Climate Change(IPCC).Climate Change 2007.Impacts adaptations and vulnerability:fourth assessment report of working groupⅡ[R].Cambridge,UK:Cambridge University Press,2007.
[20]吴建国,吕佳佳.气候变化对青藏高原高寒草甸适宜气候分布范围的潜在影响. [J].草地学报,2009,17(6):699-705.
[21]李英年,王启基,赵新全,等.气候变暖对高寒草甸气候生产潜力的影响. [J].草地学报,2000,8(1):23-29.
[22]许鹏.草地资源调查规划学[M].北京:中国农业出版社,2000.
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