APPENDIX D
Acronyms
ACSM American Congress on Surveying and Mapping
AGL above ground level
AGU American Geophysical Union
ASCE American Society of Civil Engineers
ASFPM Association of State Floodplain Managers
ASPRS American Society for Photogrammetry and Remote Sensing
BFE base flood elevation
CCD charge-coupled device
CIR color infrared
CLICK Center for Lidar Information, Coordination, and Knowledge (USGS)
CRS Community Rating System
DEM digital elevation model
DFIRM Digital Flood Insurance Rate Map
DMA Defense Mapping Agency
DOQQ Digital Orthophoto Quarter Quadrangle
DSM digital surface model
DTM digital terrain model
EDNA Elevation Derivatives for National Applications
EROS Earth Resources Observation and Science (USGS)
FDA Flood Damage Assessment
FEMA Federal Emergency Management Agency
FGDC Federal Geographic Data Committee
FIRM Flood Insurance Rate Map
FIS Flood Insurance Study
GAO Government Accountability Office
GIS geographic information system
GPS Global Positioning System
GRS80 Geodetic Reference System of 1980
GSD ground sample distance
HEC Hydrologic Engineering Center (USACE)
HMS Hydrologic Modeling System
IFSAR interferometric synthetic aperture radar
IMU inertial measurement unit
InSAR interferometric synthetic aperture radar (also IFSAR)
JPL Jet Propulsion Laboratory (NASA)
lidar light detection and ranging
LOMA Letter of Map Amendment
LOMR Letter of Map Revision
MAPPS Management Association for Private Photogrammetric Surveyors
MHIP Multi-year Flood Hazard Identification Plan
MPIA multiple-pulse-in-the-air
NAD27 North American Datum of 1927
NAD83 North American Datum of 1983
NAIP National Agriculture Imagery Program (USDA)
NAPP National Aerial Photography Program
NASA National Aeronautics and Space Administration
NAVD88 North American Vertical Datum of 1988
NDEP National Digital Elevation Program
NDOP National Digital Orthophoto Program
NED National Elevation Dataset
NFIP National Flood Insurance Program
NGA National Geospatial-Intelligence Agency
NGS National Geodetic Survey
NGVD29 National Geodetic Vertical Datum of 1929
NMAS National Map Accuracy Standards
NOAA National Oceanic and Atmospheric Administration
NSDI National Spatial Data Infrastructure
NSGIC National States Geographic Information Council
NSSDA National Standard for Spatial Data Accuracy
OGC Open Geospatial Consortium
ORI orthorectified radar image
PAN panchromatic
radar radio detection and ranging
RAS River Analysis System
RGB red green blue (true color)
RMSE root mean square error
RPI repeat-pass interferometry
SAR synthetic aperture radar
SPI single-pass interferometry
SRTM Shuttle Radar Topography Mission
TIN triangulated irregular network
TVC Tagged Vector Contour
USACE U.S. Army Corps of Engineers
USDA U.S. Department of Agriculture
USGS U.S. Geological Survey
UTM universal transverse mercator
VERTCON vertical conversion
VMAS Vertical Map Accuracy Standard
WGS84 World Geodetic System of 1984