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99602

MAPPING PLANT WATER CONTENT OF WHEAT CROPS BY SATELLITE IMAGERY

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Last updated: 04 Jan 2025

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Abstract

Mapping plant water content (PWC) by means of earth observation provides the opportunity for understanding and characterising plant water status of crops at a regional scale and enable more efficient irrigation management. The overall aim of this investigation was to assess the potential of ASTER high resolution satellite imagery to map regional PWC variations in irrigated wheat in the Nile Delta of Egypt. Vegetation indices; NDVI, RVI, GNDVIbr and NDWI, were derived from ASTER imagery to relate them to PWC. The results demonstrated that PWC variation of wheat crops can be detected using ASTER high resolution satellite images through the derived vegetation indices. The SWIR radiation of the electromagnetic spectrum centred at 1656nm showed high sensitivity to PWC and thus NDWI based on this region demonstrated the best relationships with PWC (R2 = 0.74). The results therefore demonstrated the feasibility of using high resolution satellite images, including ESA's forthcoming GMES Sentinel 2, to give a better understanding of crop water status at a regional scale.

DOI

10.21608/mjae.2014.99602

Keywords

Wheat, remote, Sensing, water, status, mapping

Authors

First Name

Adel H.

Last Name

Elmetwalli

MiddleName

-

Affiliation

Assi. Prof., Agric. Eng. Dept., Fac. of Agric., Tanta Univ., Egypt.

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Volume

31

Article Issue

2

Related Issue

15169

Issue Date

2014-04-01

Receive Date

2020-06-30

Publish Date

2014-04-01

Page Start

509

Page End

522

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 31_Issue 2_Pages 509-522.pdf

PDF . 1.2MB

Link

https://mjae.journals.ekb.eg/article_99602.html

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https://mjae.journals.ekb.eg/service?article_code=99602

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Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

MAPPING PLANT WATER CONTENT OF WHEAT CROPS BY SATELLITE IMAGERY

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Article

Created At

23 Jan 2023