| Technology and Methodology |
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THE EXPERIMENTAL REMOTE SENSING MONITORING OF THE ORIENTAL MIGRATORY LOCUST PLAGUE |
| MA Jian-wen1, HAN Xiu-zhen1, Hasibagan1, ZHANG Yue-jin2, TANG Jin-yi2, XIE Zhi-yu3 |
1. Institute of Remote Sensing Applications, CAS, Beijing 100101, China;
2. National Agro-Technical Extension and Service Center, The Ministry of Agriculture, Beijing 100026, China;
3. Tianjing Dagang Locust monitor station, Tianjin 300280, China |
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Abstract In recent years, the areas suffering from the Oriental Migratory Locust (Locusta migratoria manilensis) plague have gradually expanded in China. In some outbreak areas along the east coast of Dagang, the plague resulted in great reduction of reed yields and caused severe threat to local and regional agricultural production. At present, the monitoring system for this species depends on the field observations conducted by sparsely-distributed observation stations established in 1950's. This observation network has been successful in identifying major locust outbreaks. However, in view of the expansion of infestation areas and the increase in quantity of locust heads (up to 1000 heads in 2001) in one square meters, this paper proposes the use of information technology to establish the Oriental Migratory Locust information monitoring system based on satellite observation data. The preliminary testing work in 2001 is described. In this experiment, sampling statistics of biomass, leaf area index (LAI) from areas affected and not affected by locust plague were performed. The field sample spectra of areas infected and not infected by locust plague were tested. Synchronous Landsat ETMmulti-spectral data were put in order and processed. The results strongly support the feasibility of establishing a satellite sensor-based habitat monitoring system to detect the locust infestations.
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| Keywords
Three-Dimensional Geography Information System (3DGIS)
High-sulfur gas fields
Environment safety emergency management
H2S gas dispersion
Numerical simulation model
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Issue Date: 02 August 2011
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2003,
Vol. 15
