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Impacts of Deforestation and Climate Variability on Terrestrial Evapotranspiration in Subarctic China

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Yao, Yunjun, Liang, Shunlin, Cheng, Jie, Lin, Yi, Jia, Kun, Liu, Meng. Impacts of Deforestation and Climate Variability on Terrestrial Evapotranspiration in Subarctic China. Forests, 2014, 5(10):2542-2560. doi:10.3390/f5102542

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Type Of Reference JOUR
Title Impacts of Deforestation and Climate Variability on Terrestrial Evapotranspiration in Subarctic China
Authors Yao, Yunjun| Liang, Shunlin| Cheng, Jie| Lin, Yi| Jia, Kun| Liu, Meng|
Secondary Title Forests
Abstract Although deforestation affects hydrological and climatic variables over tropical regions, its actual contributions to changes in evapotranspiration (ET) over subarctic China remain unknown. To establish a quantitative relationship between deforestation and terrestrial ET variations, we estimated ET using a semi-empirical Penman (SEMI-PM) algorithm driven by meteorological and satellite data at both local and regional scales. The results indicate that the estimated ET can be used to analyse the observed inter-annual variations. There is a statistically significant positive relationship between local-scale forest cover changes (∆F) and annual ET variations (∆ET) of the following form: ∆ET = 0.0377∆F – 2.11 (R2 = 0.43, p < 0.05). This relationship may be due to deforestation-induced increases in surface albedo and a reduction in the fractional vegetation cover (FVC). However, the El Niño/Southern Oscillation (ENSO), rather than deforestation, dominates the multi-decadal ET variability due to regional-scale wind speed changes, but the exact effects of deforestation and ENSO on ET are challenging to quantify.
Date 2014///
Year 2014
DOI 10.3390/f5102542
Database Provider www.mdpi.com
volume 5
Issue Number 10
Start Page 2542
Language en
Url http://www.mdpi.com/1999-4907/5/10/2542
Access Date 2016/07/12/03:50:39
Keywords Climate variability| deforestation| Evapotranspiration| subarctic China|
file_attachments2 http://www.mdpi.com/1999-4907/5/10/2542
notes <p>7a35329c-c53f-4267-aa07-e0037d913a21</p>
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