Legacy Effects Following Fire on Surface Energy, Water and Carbon Fluxes in Mature Amazonian Forests
Legacy Effects Following Fire on Surface Energy, Water and Carbon Fluxes in Mature Amazonian Forests
复制标题
火灾后对成熟亚马逊森林表面能量、水和碳通量的遗留影响
DOI：
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发表时间：
2021
期刊：
影响因子：
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通讯作者：
L. Aragão
中科院分区：
文献类型：
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作者：
Gabriel de Oliveira;N. Brunsell;Jingyan Chen;Y. Shimabukuro;G. Mataveli;C. A. D. Dos Santos;S. Stark;Andre de Lima;L. Aragão
亚马逊河流域持续的毁林进程导致该区域森林火灾加剧，特别是在巴西，在十多年有效的森林保护政策之后。本研究旨在利用遥感（MODIS）和气候再分析数据（GLDAS）研究受火灾影响的两个成熟亚山地亲雨亚马逊森林在能量，水和碳通量方面的恢复。这两个林分样地，主要由Manilkara spp。(Ma caranduba）、原孢属（Protium spp.）（Breu）（约30米）、Bertholletia excelsa（Castanheira）和Dinizia excelsa Ducke（Angelim佩德拉）（约50米），占地面积分别为100.5和122.1平方公里，并于2010年9月12日同一天遭到火灾。在3年的时间里，火灾显著增加了森林的地表温度（0.8°C）和空气温度（1.2°C）。然而，森林在碳和水循环之间的耦合方面表现出恢复原始状态的能力，比较火灾前后的3年时间。小波分析的结果表明，年度和季节波动加剧，在某些情况下（例如，日净辐射和蒸散）的年际波动。我们解释这些变化是一致的整体加剧的耦合的能量平衡组件和驱动程序所施加的气候和太阳周期的季节性，以及更快的时间尺度的变化，一致的转向更大的森林开放性和随之而来的减少传入的太阳辐射的冠层的拦截。
The ongoing deforestation process in Amazonia has led to intensified forest fires in the region, particularly in Brazil, after more than a decade of effective forest conservation policy. This study aims to investigate the recovery of two mature sub‐montane ombrophile Amazonian forests affected by fire in terms of energy, water and carbon fluxes utilizing remote sensing (MODIS) and climate reanalysis data (GLDAS). These two forest plots, mainly composed of Manilkara spp. (Maçaranduba), Protium spp. (Breu) (∼30 m), Bertholletia excelsa (Castanheira) and Dinizia excelsa Ducke (Angelim‐Pedra) (∼50 m), occupy areas of 100.5 and 122.1 km2 and were subject to fire on the same day, on September 12, 2010. The fire significantly increased land surface temperature (0.8°C) and air temperature (1.2°C) in the forests over a 3 years interval. However, the forests showed an ability to recover their original states in terms of coupling between the carbon and water cycles comparing the 3‐year periods before and after the fires. Results from a wavelet analysis showed an intensification in annual and seasonal fluctuations, and in some cases (e.g., daily net radiation and evapotrasnspiration) sub‐annual fluctuation. We interpreted these changes to be consistent with overall intensification of the coupling of energy balance components and drivers imposed by climate and solar cycle seasonality, as well as faster time scale changes, consistent with a shift toward greater forest openness and consequent reduction in the interception of incoming solar radiation by the canopy.
影响因子：
2.7
作者：
S. Stark;D. Breshears;S. Aragón;J. C. Villegas;D. Law;Marielle N. Smith;D. Minor;R. Assis;D. R. Almeida;G. Oliveira;S. Saleska;A. Swann;J. Moura;J. Camargo;R. Silva;L. Aragão;R. Oliveira
通讯作者：
S. Stark;D. Breshears;S. Aragón;J. C. Villegas;D. Law;Marielle N. Smith;D. Minor;R. Assis;D. R. Almeida;G. Oliveira;S. Saleska;A. Swann;J. Moura;J. Camargo;R. Silva;L. Aragão;R. Oliveira
影响因子：
13.6
作者：
Brando, P. M.;Soares-Filho, B.;Coe, M. T.
通讯作者：
Coe, M. T.