RAP Watershed Data Dictionary

Variable Description Unit
HydroID UniqueID for the original Database of origin N/A
Name Watershed name N/A
WS_LAT Latitude of watershed centroid Decimal Degrees
WS_LONG Longitude of watershed centroid Decimal Degrees
WS_A_KM2 Watershed area Square Kilometers
WS_Z_RANGE Range of elevation values Meters
WS_A Watershed area Square Meters
WS_PA Perimeter to area N/A
WS_Z_MEAN Mean elevation Meters
WS_Z_MIN Minimum elevation Meters
WS_Z_MAX Maximum elevation Meters
WS_Z_MEDIAN Median elevation Meters
WS_Z_SD Standard deviation of elevation Meters
WS_Z_CV Coefficient of variation of elevation N/A
WS_P Length of the watershed perimeter Meters
WS_NPP_MEAN Average net primary productivity in the watershed Grams Carbon per Square Meter
WS_LC_DOM Dominant landcover class in the watershed ESA GlobCover
WS_DL Total drainage length for watershed Meters
EcoregionID Wild Salmon Center EcoregionID N/A
GlobalID ID used for database replication N/A
DB_HydroID Old HydroID used as a Unique ID in the database N/A
WSPT_LAT Latitude of outlet Decimal Degrees
WSPT_LONG Longitude of outlet Decimal Degrees
FP_NUM Number of floodplains N/A
FP_A_SUM Total area of floodplains Square Meters
FP_A_MEAN Mean area of floodplains Square Meters
FP_A_SD Standard deviation of floodplain area Square Meters
FP_P_SUM Sum of floodplain perimeter in the watershed Meters
FP_Z_MEAN Average elevation of floodplain Meters
FP_Z_SD Standard deviation of floodplain elevation Meters
FP_DENSITY Density of floodplains N/A
FP_L_SUM Length of main channel in floodplains Meters
FP_A_RATIO Ratio of floodplain area to watershed area N/A
FP_SIN Sinuosity of the main flowline in the floodplain N/A
FP_NPP_MEAN Average net primary productivity in floodplains Grams Carbon per Square Meter
MCND_NUM Total number of mid- channel nodes N/A
MCND_Z_MEAN Average elevation of mid-channel nodes in a floodplain Meters
MCND_FP_L Number of mid-channel nodes in a floodplain divided by the floodplain length N/A
MCND_FP_DENSITY Density of mid-channel nodes in a floodplain N/A
WTB_NUM Number of lakes N/A
WTB_DENSITY Density of lakes N/A
WTB_A_SUM Total area of lakes Square Meters
WTB_A_MEAN Average area of lakes Square Meters
WTB_A_SD Standard deviation of lake area Square Meters
WTB_P_SUM Perimeter of lakes Meters
WTB_Z_MEAN Average elevation of lakes Meters
WTB_Z_SD Standard deviation of lake elevation Meters
WTB_PA Perimeter of lakes : surface area of on river lakes N/A
WTB_A_RATIO Waterbody area : watershed area N/A
DAM_FREQUENCY Number of dams in a watershed N/A
HFP_MIN Minimum value human footprint value N/A
HFP_MAX Maximum human footprint value N/A
HFP_RANGE Range of human footprint values in the watershed N/A
HFP_MEAN Average human footprint pixel value in the watershed N/A
HFP_STD Standard deviation of humanfootprint values in the watershed N/A
HFP_SUM Sum of human footprint values in the watershed N/A
HFP_VARIETY Number of different human footprint values in the watershed N/A
HFP_MAJORITY Majority of human footprint values in the watershed N/A
HFP_MINORITY Minority of human footprint values in the watershed N/A
HFP_MEDIAN Median value of human footprint pixels in the watershed N/A
GLA_A_SUM Total area of glacier Square Meters
GLA_A_MEAN Mean area of glaciers Square Meters
GLA_DENSITY Density of glaciers N/A
GLA_A_RATIO Ratio of glacier area to watershed area N/A
DB_NAME Database of origin name N/A
TDTO_MEAN Average distance to ocean for tributaries Meters
LFP Length of the longest flow path in the watershed Meters
LFP_Z Longest flow path starting elevation Meters
LFP_SLOPE Slope of the longest flow path N/A
TND_NUM Tributary node sum - confluences N/A
ND_DL_KM Nodes per drainage line kilometer N/A
ND_10_DTO Distance to ocean where 10% of nodes are reached Meters
ND_10_Z Elevation where 10% of nodes are reached Meters
SP_Z SaRON point elevation Meters
SP_LAT SaRON latitude Decimal Degrees
SP_LON SaRON longitude Decimal Degrees

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