The Full Annual Carbon Balance of Boreal Forests Is Highly Sensitive to Precipitation
(2014) In Environmental Science & Technology Letters 1(7). p.315-319- Abstract
- The boreal forest carbon balance is predicted to be particularly sensitive to climate change. Carbon balance estimates of these biomes stem mainly from eddy-covariance measurements of net ecosystem exchange (NEE). However, a full net ecosystem carbon balance (NECB) must include the lateral carbon export (LCE) through discharge. We show that annual LCE at a boreal forest site ranged from 4 to 28%, averaging 11% (standard deviation of 8%), of annual NEE over 13 years. Annual LCE and NEE are strongly anticorrelated; years with weak NEE coincide with high LCE. The decreased NEE in response to increased precipitation is caused by a reduction in the amount of incoming radiation caused by clouds. If our finding is also valid for other sites, it... (More)
- The boreal forest carbon balance is predicted to be particularly sensitive to climate change. Carbon balance estimates of these biomes stem mainly from eddy-covariance measurements of net ecosystem exchange (NEE). However, a full net ecosystem carbon balance (NECB) must include the lateral carbon export (LCE) through discharge. We show that annual LCE at a boreal forest site ranged from 4 to 28%, averaging 11% (standard deviation of 8%), of annual NEE over 13 years. Annual LCE and NEE are strongly anticorrelated; years with weak NEE coincide with high LCE. The decreased NEE in response to increased precipitation is caused by a reduction in the amount of incoming radiation caused by clouds. If our finding is also valid for other sites, it implies that increased precipitation at high latitudes may shift forest NECB in large areas of the boreal biome. Our results call for future analysis of this dual effect of precipitation on NEE and LCE. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/5300326
- author
- Oquist, M. G.
; Bishop, K.
; Grelle, A.
; Klemedtsson, L.
; Kohler, S. J.
; Laudon, H.
; Lindroth, Anders
LU
; Lofvenius, M. Ottosson ; Wallin, M. B. and Nilsson, M. B.
- organization
- publishing date
- 2014
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Environmental Science & Technology Letters
- volume
- 1
- issue
- 7
- pages
- 315 - 319
- publisher
- The American Chemical Society (ACS)
- external identifiers
-
- wos:000350831300005
- scopus:84969138526
- ISSN
- 2328-8930
- DOI
- 10.1021/ez500169j
- language
- English
- LU publication?
- yes
- id
- ecbacd46-db27-48dc-8878-6799a36aa35d (old id 5300326)
- date added to LUP
- 2016-04-01 13:24:03
- date last changed
- 2024-05-22 11:17:53
@article{ecbacd46-db27-48dc-8878-6799a36aa35d, abstract = {{The boreal forest carbon balance is predicted to be particularly sensitive to climate change. Carbon balance estimates of these biomes stem mainly from eddy-covariance measurements of net ecosystem exchange (NEE). However, a full net ecosystem carbon balance (NECB) must include the lateral carbon export (LCE) through discharge. We show that annual LCE at a boreal forest site ranged from 4 to 28%, averaging 11% (standard deviation of 8%), of annual NEE over 13 years. Annual LCE and NEE are strongly anticorrelated; years with weak NEE coincide with high LCE. The decreased NEE in response to increased precipitation is caused by a reduction in the amount of incoming radiation caused by clouds. If our finding is also valid for other sites, it implies that increased precipitation at high latitudes may shift forest NECB in large areas of the boreal biome. Our results call for future analysis of this dual effect of precipitation on NEE and LCE.}}, author = {{Oquist, M. G. and Bishop, K. and Grelle, A. and Klemedtsson, L. and Kohler, S. J. and Laudon, H. and Lindroth, Anders and Lofvenius, M. Ottosson and Wallin, M. B. and Nilsson, M. B.}}, issn = {{2328-8930}}, language = {{eng}}, number = {{7}}, pages = {{315--319}}, publisher = {{The American Chemical Society (ACS)}}, series = {{Environmental Science & Technology Letters}}, title = {{The Full Annual Carbon Balance of Boreal Forests Is Highly Sensitive to Precipitation}}, url = {{http://dx.doi.org/10.1021/ez500169j}}, doi = {{10.1021/ez500169j}}, volume = {{1}}, year = {{2014}}, }