Articles | Volume 20, issue 6
https://doi.org/10.5194/hess-20-2169-2016
https://doi.org/10.5194/hess-20-2169-2016
Research article
 | 
06 Jun 2016
Research article |  | 06 Jun 2016

Dynamic changes in terrestrial net primary production and their effects on evapotranspiration

Zhi Li, Yaning Chen, Yang Wang, and Gonghuan Fang

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Short summary
Global net primary production (NPP) slightly increased in 2000–2014. More than 64 % of vegetated land in the Northern Hemisphere (NH) showed increased NPP, while 60.3 % in Southern Hemisphere (SH) showed a decreasing trend. Vegetation greening and climate change promote rises of global evapotranspiration (ET). The increased rate of ET in the NH is faster than that in the SH. Meanwhile, global warming and vegetation greening accelerate evaporation in soil moisture. Continuation of these trends will likely exacerbate the risk of ecological drought.