Promotion of surface energy closure by monitoring tree biomass heat storage

, , , , , , ,
1 Yanchi Research Station, School of Soil and Water Conservation, Beijing Forestry University (北京林业大学), Beijing, China
2 Key Laboratory of State Forestry Administration on Soil and Water Conservation, Beijing Forestry University (北京林业大学), Beijing, China
3 Engineering Research Center of Forestry Ecological Engineering, Ministry of Education, Beijing Forestry University (北京林业大学), Beijing, China
DOI
10.7287/peerj.preprints.2328v1
Published
Accepted
Subject Areas
Ecology, Ecosystem Science
Keywords
Plant temperature, biomass, heat storage, energy closure, near-surface
Copyright
© 2016 Yu et al.
Licence
This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ Preprints) and either DOI or URL of the article must be cited.
Cite this article
Yu M, Ding G, Gao G, Zhao Y, Sai K, Li X, Wang Y, Liu Y. 2016. Promotion of surface energy closure by monitoring tree biomass heat storage. PeerJ Preprints 4:e2328v1

Abstract

Biomass heat storage is important for promoting energy closure in forest ecosystems; however, this issue is often ignored in surface energy budgets. To determine an accurate approach to calculate biomass heat storage, we monitored the stem temperature of Pinus sylvestris in different heights, depths and orientations. At the same time, air sensible and latent heat storage and soil heat storage are also monitored together with biomass heat storage to study the heat storage share in surface energy budgets. The results showed that (1) temperature in different heights, depths and orientations in stem showed obviously differences dynamics, and time lags are existed between different measuring points inside stem. (2) Tree biomass heat flux varied around 12 W m−2. Soil heat flux and air heat storage were around 20 W m−2 and 8 W m−2 separately, but out of phase with biomass heat flux. (3) Total heat storage in soil, biomass, and air was 60 W m −2 , accounting for ~10% of net radiation, which is a significant proportion of the total energy flux. This study will help improve biomass heat storage models and contribute to fundamental knowledge regarding energy balance closure in forest ecosystems.

Author Comment

This is a preprint submission to PeerJ Preprints.

Supplemental Information

Raw data of the whole manuscript

DOI: 10.7287/peerj.preprints.2328v1/supp-1