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Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data

YAN Huimin,  XIAO Xiangming,  HUANG Heqing,  LIU Jiyuan,  CHEN Jingqing,  BAI Xuehong

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文章导航 > Chinese Geographical Science  > 2014 >  (2): 205-219
YAN Huimin, XIAO Xiangming, HUANG Heqing, LIU Jiyuan, CHEN Jingqing, BAI Xuehong. Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data[J]. 中国地理科学, 2014, (2): 205-219. doi: 10.1007/s11769-013-0637-2
引用本文: YAN Huimin, XIAO Xiangming, HUANG Heqing, LIU Jiyuan, CHEN Jingqing, BAI Xuehong. Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data[J]. 中国地理科学, 2014, (2): 205-219. doi: 10.1007/s11769-013-0637-2
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YAN Huimin, XIAO Xiangming, HUANG Heqing, LIU Jiyuan, CHEN Jingqing, BAI Xuehong. Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data[J]. Chinese Geographical Science, 2014, (2): 205-219. doi: 10.1007/s11769-013-0637-2
Citation: YAN Huimin, XIAO Xiangming, HUANG Heqing, LIU Jiyuan, CHEN Jingqing, BAI Xuehong. Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data[J]. Chinese Geographical Science, 2014, (2): 205-219. doi: 10.1007/s11769-013-0637-2
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Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data

doi: 10.1007/s11769-013-0637-2
  • 1.

    Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;

  • 2.

    Department of Botany and Microbiology, Center for Spatial Analysis, University of Oklahoma, Norman, Oklahoma 73019-5300, USA

基金项目: Under the auspices of Strategic Priority Research Program-Climate Change: Carbon Budget and Relevant Issues of Chinese Academy of Sciences (No. XDA05050602), Major State Basic Research Development Program of China (No. 2010CB950904), National Natural Science Foundation of China (No. 40921140410, 41071344), Land Cover and Land Use Change Program of National Aeronautics and Space Administration, USA (No. NAG5-11160, NNG05GH80G)
详细信息
    通讯作者:

    YAN Huimin,yanhm@igsnrr.ac.cn

Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data

  • 1.

    Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;

  • 2.

    Department of Botany and Microbiology, Center for Spatial Analysis, University of Oklahoma, Norman, Oklahoma 73019-5300, USA

  • 摘要: Double- and triple-cropping in a year have played a very important role in meeting the rising need for food in China. However, the intensified agricultural practices have significantly altered biogeochemical cycles and soil quality. Understanding and mapping cropping intensity in China′s agricultural systems are therefore necessary to better estimate carbon, nitrogen and water fluxes within agro-ecosystems on the national scale. In this study, we investigated the spatial pattern of crop calendar and multiple cropping rotations in China using phenological records from 394 agro-meteorological stations (AMSs) across China. The results from the analysis of in situ field observations were used to develop a new algorithm that identifies the spatial distribution of multiple cropping in China from moderate resolution imaging spectroradiometer (MODIS) time series data with a 500 m spatial resolution and an 8-day temporal resolution. According to the MODIS-derived multiple cropping distribution in 2002, the proportion of cropland cultivated with multiple crops reached 34% in China. Double-cropping accounted for approximately 94.6% and triple-cropping for 5.4%. The results demonstrat that MODIS EVI (Enhanced Vegetation Index) time series data have the capability and potential to delineate the dynamics of double- and triple-cropping practices. The resultant multiple cropping map could be used to evaluate the impacts of agricultural intensification on biogeochemical cycles.
    Abstract: Double- and triple-cropping in a year have played a very important role in meeting the rising need for food in China. However, the intensified agricultural practices have significantly altered biogeochemical cycles and soil quality. Understanding and mapping cropping intensity in China′s agricultural systems are therefore necessary to better estimate carbon, nitrogen and water fluxes within agro-ecosystems on the national scale. In this study, we investigated the spatial pattern of crop calendar and multiple cropping rotations in China using phenological records from 394 agro-meteorological stations (AMSs) across China. The results from the analysis of in situ field observations were used to develop a new algorithm that identifies the spatial distribution of multiple cropping in China from moderate resolution imaging spectroradiometer (MODIS) time series data with a 500 m spatial resolution and an 8-day temporal resolution. According to the MODIS-derived multiple cropping distribution in 2002, the proportion of cropland cultivated with multiple crops reached 34% in China. Double-cropping accounted for approximately 94.6% and triple-cropping for 5.4%. The results demonstrat that MODIS EVI (Enhanced Vegetation Index) time series data have the capability and potential to delineate the dynamics of double- and triple-cropping practices. The resultant multiple cropping map could be used to evaluate the impacts of agricultural intensification on biogeochemical cycles.
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出版历程
  • 收稿日期:  2012-09-12
  • 修回日期:  2012-12-17
  • 刊出日期:  2014-01-27

Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data

doi: 10.1007/s11769-013-0637-2
  • 1. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;
  • 2. Department of Botany and Microbiology, Center for Spatial Analysis, University of Oklahoma, Norman, Oklahoma 73019-5300, USA
    • 基金项目:  Under the auspices of Strategic Priority Research Program-Climate Change: Carbon Budget and Relevant Issues of Chinese Academy of Sciences (No. XDA05050602), Major State Basic Research Development Program of China (No. 2010CB950904), National Natural Science Foundation of China (No. 40921140410, 41071344), Land Cover and Land Use Change Program of National Aeronautics and Space Administration, USA (No. NAG5-11160, NNG05GH80G)
    通讯作者: YAN Huimin,yanhm@igsnrr.ac.cn
  • 收稿日期: 2012-09-12
  • 修回日期: 2012-12-17
  • 刊出日期: 2014-01-27

摘要: Double- and triple-cropping in a year have played a very important role in meeting the rising need for food in China. However, the intensified agricultural practices have significantly altered biogeochemical cycles and soil quality. Understanding and mapping cropping intensity in China′s agricultural systems are therefore necessary to better estimate carbon, nitrogen and water fluxes within agro-ecosystems on the national scale. In this study, we investigated the spatial pattern of crop calendar and multiple cropping rotations in China using phenological records from 394 agro-meteorological stations (AMSs) across China. The results from the analysis of in situ field observations were used to develop a new algorithm that identifies the spatial distribution of multiple cropping in China from moderate resolution imaging spectroradiometer (MODIS) time series data with a 500 m spatial resolution and an 8-day temporal resolution. According to the MODIS-derived multiple cropping distribution in 2002, the proportion of cropland cultivated with multiple crops reached 34% in China. Double-cropping accounted for approximately 94.6% and triple-cropping for 5.4%. The results demonstrat that MODIS EVI (Enhanced Vegetation Index) time series data have the capability and potential to delineate the dynamics of double- and triple-cropping practices. The resultant multiple cropping map could be used to evaluate the impacts of agricultural intensification on biogeochemical cycles.

English Abstract

YAN Huimin, XIAO Xiangming, HUANG Heqing, LIU Jiyuan, CHEN Jingqing, BAI Xuehong. Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data[J]. 中国地理科学, 2014, (2): 205-219. doi: 10.1007/s11769-013-0637-2
引用本文: YAN Huimin, XIAO Xiangming, HUANG Heqing, LIU Jiyuan, CHEN Jingqing, BAI Xuehong. Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data[J]. 中国地理科学, 2014, (2): 205-219. doi: 10.1007/s11769-013-0637-2
shu
YAN Huimin, XIAO Xiangming, HUANG Heqing, LIU Jiyuan, CHEN Jingqing, BAI Xuehong. Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data[J]. Chinese Geographical Science, 2014, (2): 205-219. doi: 10.1007/s11769-013-0637-2
Citation: YAN Huimin, XIAO Xiangming, HUANG Heqing, LIU Jiyuan, CHEN Jingqing, BAI Xuehong. Multiple Cropping Intensity in China Derived from Agro-meteorolo­gical Observations and MODIS Data[J]. Chinese Geographical Science, 2014, (2): 205-219. doi: 10.1007/s11769-013-0637-2
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