Articles with "zenith" as a keyword



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Influence of sun zenith angle on canopy clumping and the resulting impacts on photosynthesis

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Published in 2020 at "Agricultural and Forest Meteorology"

DOI: 10.1016/j.agrformet.2020.108065

Abstract: Abstract Addressing the impact of vegetation architecture on shortwave radiation transfer in land surface models is important for accurate weather forecasting, carbon budget estimates, and climate predictions. This paper investigates to what extent it is… read more here.

Keywords: impacts photosynthesis; zenith; photosynthesis; transfer ... See more keywords
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High-latitude F region large-scale ionospheric irregularities under different solar wind and zenith angle conditions

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Published in 2017 at "Advances in Space Research"

DOI: 10.1016/j.asr.2016.10.010

Abstract: Abstract A numerical model is used to study systematically the evolution of large scale irregularities depending on the IMF Bz and By components, solar zenith angle (seasonal and daily variation), solar and geomagnetic activity. The… read more here.

Keywords: large scale; zenith; high latitude; zenith angle ... See more keywords
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Evidence of L-mode electromagnetic wave pumping of ionospheric plasma near geomagnetic zenith

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Published in 2018 at "Annales Geophysicae"

DOI: 10.5194/angeo-36-243-2018

Abstract: Abstract. The response of ionospheric plasma to pumping by powerful HF (high frequency) electromagnetic waves transmitted from the ground into the ionosphere is the strongest in the direction of geomagnetic zenith. We present experimental results… read more here.

Keywords: plasma; zenith; geomagnetic zenith; mode propagation ... See more keywords