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Volume 28 Issue 4

Jul.  2011

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Article >  ADVANCES IN ATMOSPHERIC SCIENCES  > 2011 >  28(4): 821-831

The Impact of Agricultural Practices in China on Land-Atmosphere Interactions

  • 1.

    State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, Institute of Atmospheric Physics, Chinese Academy of Science, Beijing 100029,L. Douglas Wilder School of Government and Public Affairs, Virginia Commonwealth University Richmond, VA 23284 USA


doi: 10.1007/s00376-010-0007-2

  • Human-induced land use changes and the resulting alterations in vegetation features are major but poorly recognized drivers of regional climatic patterns. In order to investigate the impacts of anthropogenically-induced seasonal vegetation cover changes on regional climate in China, harmonic analysis is applied to 1982--2000 National Oceanic and Atmospheric Administration (NOAA) Advanced Very High Resolution Radiometer (AVVHRR)-derived normalized difference vegetation index (NDVI) time series (ten day interval data). For two climatic divisions of South China, it is shown that the first harmonic term is in phase with air temperature, while the second and third harmonics are in phase with agricultural cultivation. The Penman-Monteith Equation and the Complementary Relationship Areal Evapotranspiration (CRAE) model suggest that monthly mean evapotranspiration is out of phase with temperature and precipitation in regions with significant second or third harmonics. Finally, seasonal vegetation cover changes associated with agricultural cultivation are identified: for cropped areas, the temperature and precipitation time series have a single maximum value, while the monthly evapotranspiration time series has a bimodal distribution. It is hypothesized that multi-cropping causes the land surface albedo to sharply increase during harvesting, thereby altering the energy distribution ratio and contributing to observed seasonal vegetation cover changes.
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    [2] LIANG Feng, TAO Shiyan, WEI Jie, BUEH Cholaw, 2011: Variation in Summer Rainfall in North China during the Period 1956--2007 and Links with Atmospheric Circulation, ADVANCES IN ATMOSPHERIC SCIENCES, 28, 363-374.  doi: 10.1007/s00376-010-9220-2
    [3] ZHU Peijun, ZHENG Yongguang, ZHANG Chunxi, TAO Zuyu, 2005: A Study of the Extratropical Transformation of Typhoon Winnie (1997), ADVANCES IN ATMOSPHERIC SCIENCES, 22, 730-740.  doi: 10.1007/BF02918716
    [4] REN Fumin, BAI Lina, WU Guoxiong, WANG Zaizhi, WANG Yuan, 2012: A Possible Mechanism of the Impact of Atmosphere--Ocean Interaction on the Activity of Tropical Cyclones Affecting China, ADVANCES IN ATMOSPHERIC SCIENCES, 29, 661-674.  doi: 10.1007/s00376-012-1028-9
    [5] Zhixuan WANG, Jilin SUN, Jiancheng WU, Fangyue NING, Weiqi CHEN, 2020: Attribution of Persistent Precipitation in the Yangtze–Huaihe River Basin during February 2019, ADVANCES IN ATMOSPHERIC SCIENCES, 37, 1389-1404.  doi: 10.1007/s00376-020-0107-6
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    [7] CHEN Feng, XIE Zhenghui, 2011: Effects of Crop Growth and Development on Land Surface Fluxes, ADVANCES IN ATMOSPHERIC SCIENCES, 28, 927-944.  doi: 10.1007/s00376-010-0105-1
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    [9] CAO Ning, REN Baohua, ZHENG Jianqiu, 2015: Evaluation of CMIP5 Climate Models in Simulating 1979-2005 Oceanic Latent Heat Flux over the Pacific, ADVANCES IN ATMOSPHERIC SCIENCES, 32, 1603-1616.  doi: 10.1007/s00376-015-5016-8
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    • Manuscript History

    Manuscript received: 10 July 2011
    Manuscript revised: 10 July 2011
    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

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    The Impact of Agricultural Practices in China on Land-Atmosphere Interactions

    • 1. State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, Institute of Atmospheric Physics, Chinese Academy of Science, Beijing 100029,L. Douglas Wilder School of Government and Public Affairs, Virginia Commonwealth University Richmond, VA 23284 USA
    • Manuscript received: 2011-07-10
    • Manuscript revised: 2011-07-10

    Abstract: Human-induced land use changes and the resulting alterations in vegetation features are major but poorly recognized drivers of regional climatic patterns. In order to investigate the impacts of anthropogenically-induced seasonal vegetation cover changes on regional climate in China, harmonic analysis is applied to 1982--2000 National Oceanic and Atmospheric Administration (NOAA) Advanced Very High Resolution Radiometer (AVVHRR)-derived normalized difference vegetation index (NDVI) time series (ten day interval data). For two climatic divisions of South China, it is shown that the first harmonic term is in phase with air temperature, while the second and third harmonics are in phase with agricultural cultivation. The Penman-Monteith Equation and the Complementary Relationship Areal Evapotranspiration (CRAE) model suggest that monthly mean evapotranspiration is out of phase with temperature and precipitation in regions with significant second or third harmonics. Finally, seasonal vegetation cover changes associated with agricultural cultivation are identified: for cropped areas, the temperature and precipitation time series have a single maximum value, while the monthly evapotranspiration time series has a bimodal distribution. It is hypothesized that multi-cropping causes the land surface albedo to sharply increase during harvesting, thereby altering the energy distribution ratio and contributing to observed seasonal vegetation cover changes.

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