NDLI: Detection of water-logging in a large number of paddy fields

Content Provider	IEEE Xplore Digital Library
Author	Ishitsuka, N.
Copyright Year	2013
Description	Author affiliation: Ecosyst. Inf. Div., Nat. Inst. for Agro-Environ. Sci., Tsukuba, Japan (Ishitsuka, N.)
Abstract	On March 11, 2011, a huge earthquake hits Japan. The earthquake wreaked enormous damage on a wide area of north-eastern Japan. Many farmlands also suffered much damage. Therefor it was necessary to evaluate which paddy rice field the cultivation was carried out in. In this time I tried to detect water logging in a large number of paddy fields on a wide area, which number is over million. The study carried out using RADARSAT-2 wide mode data. All each paddy fields were classified as water logging or non-water logging by threshold. The threshold value decided automatically each scene. As a result, mapping of water logging paddy fields was successes. The overall accuracy of map evaluates 77.05% from ground truth data. The detection accuracy of wide fine mode is somewhat lower than fine mode which uses previous study. However price/area of the Wide Fine mode is about one-five of Fine mode. The Wide Fine mode of RADARSAT-2 is useful for detection of water logging in a large number of paddy fields on a wide area.
Sponsorship	IEEE Geosci. Remote Sens. Soc.
Starting Page	321
Ending Page	324
File Size	2429168
Page Count	4
File Format	PDF
ISBN	9784885522789
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-23
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electronics, Information and Communication Engineers (IEICE)
Subject Keyword	Accuracy Satellites Earthquakes Agriculture Spatial resolution Synthetic aperture radar Backscatter
Content Type	Text
Resource Type	Article

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