Acronyms and Abbreviations
ABF
aquatic base flow
APE
absolute percent error
ASWCC
Arkansas Soil and Water Conservation Commission
AWUDS
Aggregated Water-Use Data System
BEA
Bureau of Economic Analysis (U.S. Department of Commerce)
BLM
Bureau of Land Management
BRD
Biological Resources Division (U.S. Geological Survey)
cfs
cubic feet per second
Coop
USGS Cooperative Water Program
Corps
U.S. Army Corps of Engineers
EIA
Energy Information Administration (U.S. Department of Energy)
EMAP
Environmental Monitoring and Assessment Program (U.S. Environmental Protection Agency)
EPA
U.S. Environmental Protection Agency
ERS
Economic Research Service (U.S. Department of Agriculture)
FGDC
Federal Geographic Data Committee
FRIS
Farm and Ranch Irrigation Survey (U.S. Department of Agriculture)
gal
gallons
gpcd
gallons per capita per day
gpm
gallons per minute
GPS
global positioning system
GIS
geographic information system
HQI
habitat quality index
IFIM
instream flow incremental methodology
I-O
input-output [tables]
LHS
left-hand side (i.e., the dependent variable)
MESC
Midcontinent Ecological Science Center (U.S. Geological Survey)
MG
million gallons
MGD
million gallons per day
MSE
mean squared error
MWA
Massachusetts Water Authority
NAICS
North American Industry Classification System
NASQAN
National Stream Quality Accounting Network Program (U.S. Geological Survey)
NASS
National Agricultural Statistics Service (U.S. Department of Agriculture)
NAWQA
National Water-Quality Assessment Program (U.S. Geological Survey)
NEWUDS
New England Water-Use Data System
NEXRAD
NEXt Generation Weather RADar
NHD
National Hydrography Dataset (U.S. Geological Survey/U.S. Environmental Protection Agency)
NOAA
National Oceanic and Atmospheric Administration
NPDES
National Pollutant Discharge Elimination System (U.S. Environmental Protection Agency)
NPS
National Park Service
NRC
National Research Council
NRCS
Natural Resources Conservation Service (U.S. Department of Agriculture)
NSIP
National Streamflow Information Program (U.S. Geological Survey)
NWIS
National Water Information System (U.S. Geological Survey)
NWUDS
National Water-Use Data System (U.S. Geological Survey)
NWUIP
National Water-Use Information Program (U.S. Geological Survey)
OLS
ordinary least squares
PDSI
Palmer Drought Severity Index
PLSS
Public Land Survey System
ppm
parts per million
RF1
Reach File 1 (U.S. Environmental Protection Agency)
RHS
right-hand side (i.e., the independent variables)
RVA
range of variability approach
SDWIS
Safe Drinking Water Information System (U.S. Environmental Protection Agency)
SIC
Standard Industrial Classification [codes]
SPARROW
SPAtially Referenced Regressions On Watershed attributes (U.S. Geological Survey)
SRS
stratified random sampling
SU
study unit (U.S. Geological Survey/National Water Quality Assessment Program)
SWUDS
site-specific water-use data system
TDS
total dissolved solids
TMDL
total maximum daily load
USACE
U.S. Army Corps of Engineers
USBR
U.S. Bureau of Reclamation
USDA
U.S. Department of Agriculture
USGS
U.S. Geological Survey
VOC
volatile organic compound
WRD
Water Resources Division (U.S. Geological Survey)
WSTB
Water Science and Technology Board (National Research Council)
WUDBS
Water-Use Data Base System (U.S. Geological Survey, Arkansas District)
