Water vapor flux variation characteristic and the relationship with its environment factors in<i>phyllostachys edulis</i>forest in Anji

Yuli, 刘玉莉 Liu; Hong, 江洪 Jang; Guomo, 周国模 Zhou; Yunfei, 陈云飞 Chen; Cheng, 孙成 Sun; Shuang, 杨爽 Yang; Jian, 陈健 Chen

doi:10.5846/stxb201301050025

Acta Eco Sin

2014

DOI: 10.5846/stxb201301050025

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Water vapor flux variation characteristic and the relationship with its environment factors inphyllostachys edulisforest in Anji

刘玉莉 Liu Yuli¹,

江洪 Jang Hong²,

周国模 Zhou Guomo³

et al.

Abstract: 水汽通量呈单峰型变化趋势,且各月的最大值均在 12:00-14:00 出现,呈现一定规律性,7 月( 0. 1116 g m -2 s -1 ) 最高,12 月 (0郾 0209 g m -2 s -1 ) 最低;季节尺度上,夏季最高(0.0873 g m -2 s -1 ) ,呈现典型单峰型变化趋势,春秋季( 均为 0.0541 g m -2 s -1 ) 次之,变化特征与夏季相似,冬季最低(0.0221 g m -2 s -1 ) ,曲线变化复杂,波动较大。毛竹林全年蒸散量占全年降水量 48.26%。 2、

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Progress in water and energy flux studies in Asia: A review focused on eddy covariance measurements

Kang¹,

Cho

2021

J. Agric. Meteorol.

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The eddy covariance EC technique-based observation system allows for researchers to determine latent and sensible heat fluxes, which are key components of the surface energy balance. The number of water and energy flux studies in Asia has increased as the number of flux measurement sites and the length of the observation periods have grown. To retrace the footprints of the AsiaFlux network and predict future research directions, we reviewed the progress in water and energy flux studies in Asia from the 1990s to the present day. This included studies on continuous evapotranspiration ET and surface energy balance measurements in various ecosystems, from the tropics to the polar regions. We also reviewed comparative experiments between the EC technique and other observation techniques including the use of a lysimeter or scintillometer, data processing techniques, connections between carbon and water fluxes, and multi-site syntheses. This paper discusses three remaining challenges that are hindering the derivation of scientific knowledge for ET and the surface energy balance, namely: the non-closure of the surface energy budget, imperfect compatibility between open-and closed-path gas analyzers, and difficulty in partitioning ET into evaporation and transpiration. If we leverage the advantages of the EC technique i.e., high sampling rates of ≥ 10 Hz and continuous measurement capabilities , standardized methods for correcting and partitioning can be developed in the near future.

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Progress in water and energy flux studies in Asia: A review focused on eddy covariance measurements

Kang¹,

Cho

2021

J. Agric. Meteorol.

View full text Add to dashboard Cite

show abstract

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Water vapor flux variation characteristic and the relationship with its environment factors inphyllostachys edulisforest in Anji

Cited by 1 publication

References 2 publications

Progress in water and energy flux studies in Asia: A review focused on eddy covariance measurements

Progress in water and energy flux studies in Asia: A review focused on eddy covariance measurements

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