CubeSats deliver new insights into agricultural water use at daily and 3 m resolutions

Abstract Earth observation has traditionally required a compromise in data collection. That is, one could sense the Earth with high spatial resolution occasionally; or with lower spatial fidelity regularly. For many applications, both frequency and detail are required. Precision agriculture is one s...

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Autores principales:	Bruno Aragon, Matteo G. Ziliani, Rasmus Houborg, Trenton E. Franz, Matthew F. McCabe
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/8519aa2800744d23aae15853719398b2
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spelling	oai:doaj.org-article:8519aa2800744d23aae15853719398b22021-12-02T17:47:23ZCubeSats deliver new insights into agricultural water use at daily and 3 m resolutions10.1038/s41598-021-91646-w2045-2322https://doaj.org/article/8519aa2800744d23aae15853719398b22021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91646-whttps://doaj.org/toc/2045-2322Abstract Earth observation has traditionally required a compromise in data collection. That is, one could sense the Earth with high spatial resolution occasionally; or with lower spatial fidelity regularly. For many applications, both frequency and detail are required. Precision agriculture is one such example, with sub-10 m spatial, and daily or sub-daily retrieval representing a key goal. Towards this objective, we produced the first cloud-free 3 m daily evaporation product ever retrieved from space, leveraging recently launched nano-satellite constellations to showcase this emerging potential. Focusing on three agricultural fields located in Nebraska, USA, high-resolution crop water use estimates are delivered via CubeSat-based evaporation modeling. Results indicate good model agreement (r2 of 0.86–0.89; mean absolute error between 0.06 and 0.08 mm/h) when evaluated against corrected flux tower data. CubeSat technologies are revolutionizing Earth observation, delivering novel insights and new agricultural informatics that will enhance food and water security efforts, and enable rapid and informed in-field decision making.Bruno AragonMatteo G. ZilianiRasmus HouborgTrenton E. FranzMatthew F. McCabeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Bruno Aragon Matteo G. Ziliani Rasmus Houborg Trenton E. Franz Matthew F. McCabe CubeSats deliver new insights into agricultural water use at daily and 3 m resolutions
description	Abstract Earth observation has traditionally required a compromise in data collection. That is, one could sense the Earth with high spatial resolution occasionally; or with lower spatial fidelity regularly. For many applications, both frequency and detail are required. Precision agriculture is one such example, with sub-10 m spatial, and daily or sub-daily retrieval representing a key goal. Towards this objective, we produced the first cloud-free 3 m daily evaporation product ever retrieved from space, leveraging recently launched nano-satellite constellations to showcase this emerging potential. Focusing on three agricultural fields located in Nebraska, USA, high-resolution crop water use estimates are delivered via CubeSat-based evaporation modeling. Results indicate good model agreement (r2 of 0.86–0.89; mean absolute error between 0.06 and 0.08 mm/h) when evaluated against corrected flux tower data. CubeSat technologies are revolutionizing Earth observation, delivering novel insights and new agricultural informatics that will enhance food and water security efforts, and enable rapid and informed in-field decision making.
format	article
author	Bruno Aragon Matteo G. Ziliani Rasmus Houborg Trenton E. Franz Matthew F. McCabe
author_facet	Bruno Aragon Matteo G. Ziliani Rasmus Houborg Trenton E. Franz Matthew F. McCabe
author_sort	Bruno Aragon
title	CubeSats deliver new insights into agricultural water use at daily and 3 m resolutions
title_short	CubeSats deliver new insights into agricultural water use at daily and 3 m resolutions
title_full	CubeSats deliver new insights into agricultural water use at daily and 3 m resolutions
title_fullStr	CubeSats deliver new insights into agricultural water use at daily and 3 m resolutions
title_full_unstemmed	CubeSats deliver new insights into agricultural water use at daily and 3 m resolutions
title_sort	cubesats deliver new insights into agricultural water use at daily and 3 m resolutions
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/8519aa2800744d23aae15853719398b2
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CubeSats deliver new insights into agricultural water use at daily and 3 m resolutions

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