基于FSAM模型的岳阳地区美洲黑杨人工林通量观测源区分布

doi:10.11707/j.1001-7488.20120203

林业科学 ›› 2012, Vol. 48 ›› Issue (2): 16-21.doi: 10.11707/j.1001-7488.20120203

基于FSAM模型的岳阳地区美洲黑杨人工林通量观测源区分布

魏远¹, 高升华¹, 张旭东¹, 耿绍波², 赵晓松³, 江泽平¹, 王云龙⁴

1. 中国林业科学研究院林业研究所国家林业局林木培育重点实验室北京 100091;2. 北京林业大学水土保持学院水土保持与荒漠化防治教育部重点实验室北京 100083;3. 中国科学院南京地理与湖泊研究所湖泊与环境国家重点实验室南京 210008;4. 南京信息工程大学南京 210044

收稿日期:2010-07-17 修回日期:2011-12-31 出版日期:2012-02-25 发布日期:2012-02-25
通讯作者: 张旭东

Source Area in-FLUX Measurements by FSAM Model over the Populus deltoides Plantation in Yueyang

Wei Yuan¹, Gao Shenghua¹, Zhang Xudong¹, Geng Shaobo², Zhao Xiaosong³, Jiang Zeping¹, Wang Yunlong⁴

1. Key Laboratory of Tree Breeding and Cultivation of State Forestry Administration Research Institute of Forestry, CAF Beijing 100091;2. Key Laboratory for Soil and Water Conservation & Desertification Combating of Ministry of Education College of Soil and Water Conservation, Beijing Forestry University Beijing 100083;3. State Key Laboratory of Lake Science and Environment Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences Nanjing 210008;4. Nanjing University of Information Science and Technology Nanjing 210044

Received:2010-07-17 Revised:2011-12-31 Online:2012-02-25 Published:2012-02-25

摘要/Abstract

摘要：

基于岳阳市通量观测塔2006年全年观测数据,应用FSAM模型,分析不同大气稳定度下该观测点通量信息的源区分布。结果表明:主风方向上(0°~90°),通量源区(P=0.9)迎风向(X向)上的分布范围在稳定大气条件下为110~3 500 m,而在非稳定大气条件下为90~1 800 m; 3个非主风方向上(90°~180°, 180°~270°和270°~360°)通量源区(P=0.9)迎风向(X向)上的分布范围在稳定大气条件下以180°~270°最大,为110~4 500 m,而在非稳定大气条件下3者相当,为90~1 800 m; 主风方向上,相同大气条件下,生长季的通量源区略大于非生长季的通量源区,且生长季和非生长季的通量源区在不稳定大气条件下都比稳定大气条件下小; 通量观测结果能代表仪器所在地的下垫面特征。

关键词: FSAM, 源区, 美洲黑杨人工林

Abstract:

Based on eddy flux data collected in a poplar plantation of Yueyang in 2006, the flux source area was calculated using the FSAM model according to the continuous flux measurement with an open-path eddy covariance system. The results showed that:In the prevailing wind direction(0°~90°), the upwind range of flux source areas(P=0.9) was 110~3 500 m under stable air conditions, while it was 90~1 800 m under unstable air conditions. The range under stable air conditions in the direction of 180°~270°was 110~4 500 m, which was the largest of the three unprevailing wind directions, while under unstable air conditions, the ranges in the three directions were nearly the same (90~1 800 m). In the prevailing wind direction, the source area changed with atmospheric stability and source areas in the growing season are larger than those in the dormant season under the same atmospheric condition. Because of the big fetch, the measurements were able to represent the specific characteristics of the instrument location。

Key words: FSAM (the flux source area model), source area, Populus deltoides plantation

中图分类号:

魏远;高升华;张旭东;耿绍波;赵晓松;江泽平;王云龙. 基于FSAM模型的岳阳地区美洲黑杨人工林通量观测源区分布[J]. 林业科学, 2012, 48(2): 16-21.

Wei Yuan;Gao Shenghua;Zhang Xudong;Geng Shaobo;Zhao Xiaosong;Jiang Zeping;Wang Yunlong. Source Area in-FLUX Measurements by FSAM Model over the Populus deltoides Plantation in Yueyang[J]. Scientia Silvae Sinicae, 2012, 48(2): 16-21.

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基于FSAM模型的岳阳地区美洲黑杨人工林通量观测源区分布

Source Area in-FLUX Measurements by FSAM Model over the Populus deltoides Plantation in Yueyang

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