Metadata
Coordinate System & Projection Information
- Zone: Michigan South
- POSC Code: 26990
- Geographic Coordinate System: GCS North American 1983
- Datum: North American 1983
- Spheroid: GRS 1980
- Prime Meridian: Greenwich (0)
- Projection: Lambert Conformal Conic
- Unit: US Foot (0.3048006096012192 meter)
- 1st Std. Parallel: 42.1
- 2nd Std. Parallel: 43.66666666666666
- Central Meridian: -84.36666666666666
- Origin (Latitude): 41.5
- False Easting (Feet): 13123333.3333333
- False Northing (Meters): 0
Berrien County, Michigan Photogrammetric Base Mapping Specifications
2017 Orthophoto
Aerial Photography
- Acquired April, 2017
- Color
- Snow off ground
- Leaves off trees
- Company: Woolpert
Digital Orthophotos
- Bands: 5
- Format: MrSID
- Pixel resolution = 6 inch
- Produced to meet or exceed National Mapping Accuracy Standards for 1":100' aerial photography.
Spatial Information
- Projection: Lambert Conical Conformal (Lambert)
- Coordinate System: U.S. State Plane (Michigan Southern Zone)
- (1983, US Survey feet)
- Datum: NAD83 (horizontal) NAVD88 (vertical)
2011 Orthophoto
Aerial Photography
- Acquired April, 2011
- Color
- Snow off ground
- Leaves off trees
- Company: Woolpert
Digital Orthophotos
- Bands: 4
- Format: MrSID
- Pixel resolution = 6 inch
- Produced to meet or exceed National Mapping Accuracy Standards for 1":100' aerial photography.
Spatial Information
- Projection: Lambert Conical Conformal (Lambert)
- Coordinate System: U.S. State Plane (Michigan Southern Zone)
- (1983, US Survey feet)
- Datum: NAD83 (horizontal) NAVD88 (vertical)
2005 Orthophoto
Aerial Photography
- Acquired April, 2005
- Black and White
- Snow off ground
- Leaves off trees
- Sun angle > 30 degrees above horizon
- Acquire photography @ scale of 1" = 800' (1:9600)
- Company: Aerocon (Sunfield, Michigan)
- Plane height of 4,800'
Digital Orthophotos
- Gray scale value from 0 to 255
- Pixel resolution = 6 inch
- Produced to meet or exceed National Mapping Accuracy Standards for 1":100' aerial photography.
Spatial Information
- Projection: Lambert Conical Conformal (LAMBERT)
- Coordinate System: U.S. State Plane (Michigan Southern Zone)
- (1983, US Survey feet)
- Datum: NAD83 (horizontal) NAVD88 (vertical)
1996 Orthophoto
Aerial Photography
- Acquired Spring, 1996
- Black & White
- Snow off ground
- Leaves off trees
- Sun angle > 30 degrees above horizon
- Acquire photography @ scale of 1" = 2000' (1:24000)
- Company: Woolpert, Inc. (Dayton, Ohio)
- Plane height of 12,000'
Digital Orthophotos
- Gray scale value from 0 to 255
- Pixel resolution = 1 foot
- Horizontal accuracy: +/- 5 feet
- Digital orthophoto tiles: 714 total coverage
- Tile size: 5000' by 5000'
- File format: Tiff, Class G
- File size: 25 MB each tile
- Total file storage: 18 gigabytes total coverage
- Produced to meet or exceed National Mapping Accuracy Standards for 1":200' aerial photography.
Reduced Resolution Orthophotos
These were created to allow areas of imagery to be accessed and displayed more rapidly at different scales. Reduced resolution datasets were created fro 2-foot, 4-foot, 8-foot, 16-foot, and 32-foot resolution.
Spatial Information
- Projection: Lambert Conical Conformal (LAMBERT)
- Coordinate System: U.S. State Plane (Michigan Southern Zone)
- (1983, US Survey feet)
- Datum: NAD83 (horizontal) NAVD88 (vertical)