using satellite imagery for variable rate maps curtis dick
TRANSCRIPT
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Using Satellite Imagery for Variable Rate MapsCurtis Dick
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What Satellite Imagery is useful for
•Designating Management Zones•Building Variable Rate Maps•Helping Identify Problems in Growing
fields•Help identifying where to soil sample•Measuring Biomass
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Satellite Imagery Technology•Agri-ImiGIS
▫Started in 1994 in North Dakota by providing satellite images for a variety of farming applications
▫Currently provide 2 types of images (both have NDVI capabilities)
▫Main use is for building management zones▫Also provide products that allows producers to
have access to the system via an app▫The products allow for soil sampling and other
practices to be tied into the imagery into a browser base
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Landsat vs. Rapid EyeLandsat Rapid Eye
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Major Uses in Oklahoma• A very successful use in
Oklahoma has been with variable rate Growth Regulator in Cotton Production
• The Images allow a producer or consultant to see the differences in a growing field
• Landsat is updated every 16 days no matter if there is cloud cover or not
• Rapid Eye takes 4-5 pictures during a growing season and will stay in an area until it gets a clear picture
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Hard to tell in a growing field the amount of an input certain plants need
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Drones
•Around 140 different type of drones available for use
•Prices range from $100,000 to $12,800
•As of right now primary purpose is for surveillance
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senseFly• Switzerland based
company that produces two types of Drones▫ Swinglet CAM▫ eBee
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Are Drones Useful? Advantages Disadvantages
• Are very easy to operate
• Does not matter if it is cloudy
• Can have an image of a field in 1 day
• Do not fly well in winds over 25 mph
• Are somewhat costly
• If drones are being used commercially they can not be flown over 400 ft elevation in U.S.
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Using Drones for Mapping NDVI Vs Green Seeker
• Swinglet Cam • http://farmindustrynews.c
om/crop-protection/drone-plane-your-future-0
• Green Seeker
•
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Review
•Best use of satellite imagery seems to be to measure biomass
•Satellite imagery is a useful tool in developing management zones, but should probably not be the only information the zones are based off of.
•Drones for commercial purposes must be flown below 400ft.
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Questions?