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WU Zhi-xiang, CHEN Bang-qian, YANG Chuan, TAO Zhong-liang, XIE Gui-shui, ZHOU Zhao-de. Distribution of footprint and fluxes source area of rubber plantation in Hainan Island[J]. Journal of Tropical Biology, 2012, 3(1): 42-50. doi: 10.15886/j.cnki.rdswxb.2012.01.014
Citation: WU Zhi-xiang, CHEN Bang-qian, YANG Chuan, TAO Zhong-liang, XIE Gui-shui, ZHOU Zhao-de. Distribution of footprint and fluxes source area of rubber plantation in Hainan Island[J]. Journal of Tropical Biology, 2012, 3(1): 42-50. doi: 10.15886/j.cnki.rdswxb.2012.01.014

Distribution of footprint and fluxes source area of rubber plantation in Hainan Island

doi: 10.15886/j.cnki.rdswxb.2012.01.014
  • Received Date: 2011-09-30
  • Publish Date: 2012-03-25
  • In order to analyze and control the quality of the rubber plantation flux observation data,the FSAM model(Flux-source Area Model) was used to calculate flux footprint and source areas according to the continuous flux measurement with the open-path eddy covariance system on the 50 m tower of the Ministry of Agriculture Danzhou Key Field Station of Observation and Research for Tropical Agricultural Resources and Environments from Jan.1 to Dec.31,2010.The spatial representative of flux measurement of the rubber plantations in Hainan Island,the south of China,was explained.Source areas of rubber plantation were found smaller under the unstable than under the stable atmospheric stratification.The source areas were larger in the growing season than in the dormant season at the same contribution level for the stable stratification,but they were smaller under the unstable stratification.In the main wind direction of 110°—250°,the upwind range of source areas of the rubber plantation was 100—758 m,and the vertical upwind range was-251—251 m at a 80% contribution level under the unstable stratification in the growing season,whereas the upwind and vertical upwind ranges were slightly larger than those under the unstable stratification in the dormant season.The upwind and vertical upwind ranges of the source areas were 173—1858 m and-534—534 m,respectively under the stable stratification in the growing season,and they were slightly smaller than those under the stable stratification in the dormant season.In the wind directions of 0°—110° and 250°—360°,the upwind range of the source areas was larger under the stable stratification of the rubber plantation than but similar to those in the prevailing wind direction under the unstable stratification.
  • [1] SERGEJ S Z, IGOR N E.Similarity theory and calculation of turbulent fluxes at the surface for the stably stratified atmospheric boundary layer [J].Boundary-Layer Meteorology, 2007, 125: 193-205.
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    [10] HAENEL H D, GRBNHAGE L.Footprint analysis: a closed analytical solution based on height dependent profiles of wind speed and eddy viscosity [J].Boundary-Lay Meteorology, 1999, 93: 395-409.
    [11] BALDOCCHI D, FALGE E, GU L H, et al.FLUXNET: a new tool to study the temporal and spatial variability of ecosystemscale carbon dioxide, water vapor, and energy flux densities [J].Bulletin of the American Meteorological Society, 2001, 82: 2415-2434.
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  • Created with Highcharts 5.0.7Amount of accessChart context menuAbstract Views, HTML Views, PDF Downloads StatisticsAbstract ViewsHTML ViewsPDF Downloads2024-082024-092024-102024-112024-122025-012025-022025-032025-042025-052025-062025-070510152025Highcharts.com
    Created with Highcharts 5.0.7Chart context menuAccess Class DistributionFULLTEXT: 12.7 %FULLTEXT: 12.7 %META: 83.6 %META: 83.6 %PDF: 3.6 %PDF: 3.6 %FULLTEXTMETAPDFHighcharts.com
    Created with Highcharts 5.0.7Chart context menuAccess Area Distribution其他: 21.8 %其他: 21.8 %北京: 1.8 %北京: 1.8 %张家口: 12.7 %张家口: 12.7 %芒廷维尤: 20.0 %芒廷维尤: 20.0 %芝加哥: 3.6 %芝加哥: 3.6 %苏州: 1.8 %苏州: 1.8 %蚌埠: 1.8 %蚌埠: 1.8 %西宁: 29.1 %西宁: 29.1 %西安: 5.5 %西安: 5.5 %镇江: 1.8 %镇江: 1.8 %其他北京张家口芒廷维尤芝加哥苏州蚌埠西宁西安镇江Highcharts.com
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Distribution of footprint and fluxes source area of rubber plantation in Hainan Island

doi: 10.15886/j.cnki.rdswxb.2012.01.014

Abstract: In order to analyze and control the quality of the rubber plantation flux observation data,the FSAM model(Flux-source Area Model) was used to calculate flux footprint and source areas according to the continuous flux measurement with the open-path eddy covariance system on the 50 m tower of the Ministry of Agriculture Danzhou Key Field Station of Observation and Research for Tropical Agricultural Resources and Environments from Jan.1 to Dec.31,2010.The spatial representative of flux measurement of the rubber plantations in Hainan Island,the south of China,was explained.Source areas of rubber plantation were found smaller under the unstable than under the stable atmospheric stratification.The source areas were larger in the growing season than in the dormant season at the same contribution level for the stable stratification,but they were smaller under the unstable stratification.In the main wind direction of 110°—250°,the upwind range of source areas of the rubber plantation was 100—758 m,and the vertical upwind range was-251—251 m at a 80% contribution level under the unstable stratification in the growing season,whereas the upwind and vertical upwind ranges were slightly larger than those under the unstable stratification in the dormant season.The upwind and vertical upwind ranges of the source areas were 173—1858 m and-534—534 m,respectively under the stable stratification in the growing season,and they were slightly smaller than those under the stable stratification in the dormant season.In the wind directions of 0°—110° and 250°—360°,the upwind range of the source areas was larger under the stable stratification of the rubber plantation than but similar to those in the prevailing wind direction under the unstable stratification.

WU Zhi-xiang, CHEN Bang-qian, YANG Chuan, TAO Zhong-liang, XIE Gui-shui, ZHOU Zhao-de. Distribution of footprint and fluxes source area of rubber plantation in Hainan Island[J]. Journal of Tropical Biology, 2012, 3(1): 42-50. doi: 10.15886/j.cnki.rdswxb.2012.01.014
Citation: WU Zhi-xiang, CHEN Bang-qian, YANG Chuan, TAO Zhong-liang, XIE Gui-shui, ZHOU Zhao-de. Distribution of footprint and fluxes source area of rubber plantation in Hainan Island[J]. Journal of Tropical Biology, 2012, 3(1): 42-50. doi: 10.15886/j.cnki.rdswxb.2012.01.014
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