基于Hsieh和Kljun模型的城市生态系统碳通量贡献区分析与对比

龚元; 赵敏; 姚鑫; 郭智娟; 何毅; 张立平

doi:10.3969/j.issn.1674-991X.2017.02.033

基于Hsieh和Kljun模型的城市生态系统碳通量贡献区分析与对比

doi: 10.3969/j.issn.1674-991X.2017.02.033

龚元¹,
赵敏^1,*, ,,
姚鑫²,
郭智娟²,
何毅¹,
张立平¹

1.
上海师范大学城市生态与环境研究中心,上海 200234
2.
上海师范大学生命与环境科学学院,上海 200234

详细信息

作者简介:
龚元(1992—),男,硕士研究生,研究方向为大气环境与GIS应用, 1072363740@qq.com

通讯作者:
赵敏 E-mail: zhaomin@shnu.edu.cn

中图分类号: X51
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出版历程
- 收稿日期: 2016-06-12
- 刊出日期: 2017-03-20

Analysis and comparison of carbon flux contribution zones in urban ecological system based on Hsieh and Kljun models

GONG Yuan¹,
ZHAO Min^{1,*
, ,},
YAO Xin²,
GUO Zhijuan²,
HE Yi¹,
ZHANG Liping¹

1.
Research Center of Urban Ecology and Environment, Shanghai Normal University, Shanghai 200234, China
2.
College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, China

More Information

Corresponding author: Min ZHAO E-mail: zhaomin@shnu.edu.cn

摘要

摘要: 利用上海市奉贤大学城内的涡动相关通量观测站点,基于Hsieh和Kljun模型对研究区内的碳通量贡献区进行了分析。结果表明:1)随着大气稳定度的增加,各风向上的碳通量贡献区范围有增加的趋势;2)当大气处于稳定条件下时,非主风向上的碳通量贡献区范围要大于主风向;3)当大气处于不稳定状态时,主风向和非主风向上的碳通量贡献区范围相差不大;4)在各风向和各大气稳定度上Hsieh和Kljun模型所输出的碳通量贡献区范围数值不同,但无显著差异,碳通量贡献区范围形态近似椭圆;5)Hsieh和Kljun模型输出的垂直于主风向和非主风向上的碳通量贡献区的长度无显著差异;6)在迎风向上Hsieh和Kljun模型的碳通量贡献峰值所处的位置有显著差异。
- 涡动相关 /
- 城市系统 /
- 通量贡献区 /
- 碳通量 /
- 地理信息系统 /
- T检验
Abstract: The carbon flux contribution zones (CFCZs) in the research area were analyzed by using related flux observation sites of eddy turbulence in Shanghai Fengxian University and basing on Hsieh and Kljun model. The result shows that with the increase of atmospheric stability, the scope of CFCZs in all wind directions has an increasing tendency. Under stable conditions, the scope of CFCZs in non-prevailing wind directions is larger than that in the prevailing wind direction, while under unstable state, there is no big difference in the carbon flux contribution scope in the two kinds of wind directions. In all wind directions and atmospheric stability, the CFCZs scope output by Hsieh model is different from that output by Kljun model but with no significant difference, and the CFCZs are like oval. In CFCZ lengths which are vertical to prevailing wind directions and non-prevailing wind direction, the output result by Hsieh model has no significant differences with that by Kljun model. There is a great difference in the locations of Hsieh’ and Kljun’s flux contribution peak numbers in all wind directions.
- eddy covariance /
- urban system /
- flux contribution zone /
- carbon flux /
- GIS /
- T-test

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