applying remote sensing technology to agricultural statistics of beijing
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Wang Yanyan Beijing Municipal Bureau of Statistics October 2008. Applying Remote Sensing Technology to Agricultural Statistics of Beijing. Contents. Introduction About the projects Achievements Current progress of the practical application. Introduction. - PowerPoint PPT PresentationTRANSCRIPT
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Applying Remote Sensing Technology
to Agricultural Statistics of Beijing
Wang YanyanBeijing Municipal Bureau of Statistics October
2008
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Contents
Introduction
About the projects
Achievements
Current progress of the practical application
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Introduction
Brief Review of Remote Sensing (RS )Application in China
Researches and practices have been conducted by governmental departments and research institutes since 1980’s.
Statistical departments began to use RS in recent years:
National Bureau of Statistics of China
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Why we use RS
- advantages of RS compared with the conventional methods
Spatiality : spatial distribution
Objectivity: avoid subjective factors or artificial interference
Efficiency : up-to-date data, less time, money, labor force spent on statistical survey
Introduction
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Introduction
What we do on RS
2 projects based on RS:
Construction of Statistical Visual Platform based on “Beijing -1 Microsatellite”
Beijing Statistical Ecological Resource Remote Sensing Measurement Operation System
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Targets of our projects
Study the methodology and techniques fit for RS application to Beijing agriculture
Develop a software platform
Achieve the RS vocational operation in agricultural statistics of Beijing
About the Projects
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Subjects of the Projects
Area measurement of wheat and maize
Yield estimation of wheat and maize
Area measurement of agricultural facilities
Vegetation coverage monitoring and NPP (Net Primary Production) estimation
Development of System Software
About the Projects
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Main methods of the projects
Precise Extraction Method Based on “Parcel of Field” Unit
Parcel-Level Method of RS Integrated with Spatial Sampling
About the Projects
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The methodology and techniques system contains:
Key Methodology and Techniques
Implementation Plan
Accuracy Evaluation System
Emergency Program
About the Projects
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Spatial distributions of wheat and maize area
Spatial distributions of agricultural facilities area
System software demonstration
Achievements
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Wheat planting area in Beijing 2007
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Maize planting area in Beijing 2007
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Agricultural facility area in Beijing 2007
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System Software
The system software includes 7 sub-systems:
Operation Management System
Ecological Resource Measurement System
PDA Field Survey System
Product Fabrication System
Data Release System
Database Management System
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Log-in Interface of Ecological
Resource Measurement System
subjects Log in
Ecological Resource Measurement System
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Ecological Resource Measurement System
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Data Release System
Beijing Ecological Resources Data Publishing System Based on RS
Crop area Crop yield
Seasonal vegetation coverage
Agricultural facility area
NPP
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Data Release System
Beijing Ecological Resources Data Publishing System Based on RS
Menu
Spatial location
Attributes inquiry
Data presentation
Data analysis
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Multiple data sources;
Scientific methods;
Desirable accuracy;
Timely submission;
Simple procedure and manageable software;
Emergency program.
Current progress of the practical application
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Provided with all these mentioned above, some of the subjects are now basically ready for vocational operation.
And this RS system for agricultural statistics of Beijing is planed to be actually used in 2009.
Current progress of the practical application
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LOGO