@article {ARC29071,
	title = {Solar position confounds the relationship between ecosystem function and vegetation indices derived from solar and photosynthetically active radiation fluxes},
	journal = {Agricultural and Forest Meteorology},
	volume = {298-299},
	year = {2021},
	month = {01/2021},
	pages = {108291},
	issn = {01681923},
	doi = {10.1016/j.agrformet.2020.108291},
	url = {https://linkinghub.elsevier.com/retrieve/pii/S0168192320303932},
	author = {Adrian V Rocha and Rose Appel and M Syndonia Bret-Harte and E. S. Euskirchen and V. Salmon and Gaius R Shaver}
}
