Please use this identifier to cite or link to this item: https://ir.swu.ac.th/jspui/handle/123456789/12028
ชื่อเรื่อง: Comparison of rice phenology from modis and ground image data in Sakaeo Province, Thailand
ผู้แต่ง: Srichupieam W.
Soontranon N.
Chavanavesskul S.
วันที่เผยแพร่: 2020
บทคัดย่อ: This paper presents a study of vegetation phenology, which is used to monitor the state of rice fields. A well-known parameter, Normalized Difference Vegetation Index (NDVI) was created and based on the phenology of satellite images using Moderate Resolution Imaging Spectroradiometer (MODIS). Another parameter, Excessive Green Index (ExG), is also utilized to obtain the phenology from the field camera using visible range images. This study compares two phenological graphs. The results found a significant correlation between two phenology graphs on four observed rice fields. It should be noted that the field data was used as a validation data because it is a type of near field acquisition (high resolution, without atmospheric interference). In comparison to the field data, the results showed that the phenology obtained from MODIS was also used to analyze and estimate the different states of a rice field (e.g. seeding, heading and harvesting). Given the MODIS data in a wide area, we can monitor the status of several rice fields. It can be useful in terms of agricultural management (e.g. planning, demands, supplies and an environmental purpose, the campaign to reduce rice stubble burning). © Springer Nature Switzerland AG 2020.
URI: https://ir.swu.ac.th/jspui/handle/123456789/12028
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85075539715&doi=10.1007%2f978-3-030-33900-5_9&partnerID=40&md5=aa743d69ff60e68efbe13874b70b11e5
ISSN: 2194315X
Appears in Collections:Scopus 1983-2021

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