Aerosol optical depth thresholds as a tool to assess diffuse radiation fertilization of the land carbon uptake in China

Abstract. China suffers from frequent haze pollution episodes that alter the surface solar radiation and influence regional carbon uptake by the land biosphere. Here, we apply combined vegetation and radiation modeling and multiple observational datasets to assess the radiative effects of aerosol pollution in China on the regional land carbon uptake for the 2009–2011 period. First, we assess the inherent sensitivity of China's land biosphere to aerosol pollution by defining and calculating two thresholds of aerosol optical depth (AOD) at 550 nm, (i) AODt1, resulting in the maximum net primary productivity (NPP), and (ii) AODt2, such that if local AOD

• Publication year

  2017

• Venue

  Atmospheric Chemistry and Physics

• Publication date

  2017-01-30

• Fields of study

  Environmental Science

• Identifiers
  DOI 10.5194/ACP-17-1329-2017
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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