VBET Metrics

LevelPathI

Data Type|String Units|NA Description|The tributary identification provided by NHD Plus HR. All features along the longest path in a watershed possess the same level path attribute. Similarly with the next longest path down to its confluence with the longest path. see NHD Value Added Attributes

seg_distance

Data Type|Decimal Units|Meters Description|Distance from the outflow of the level path.

stream_size

Data Type|Integer Units|NA Description|Stream Size Category for determining metric window size

active_floodplain_area

Data Type|Decimal Units|Square meters Description|Total area of Active Floodplain within the analysis window

active_floodplain_proportion

Data Type|Decimal Units|Ratio Description|Proportion of Active Floodplain area to analysis window area

active_floodplain_area_itgr_width

Data Type|Decimal Units|Meters Description|Active Floodplain Area divided by centerline length within the analysis window

active_channel_area

Data Type|Decimal Units|Square meters Description|Total area of Active Channel within the analysis window

active_channel_area_proportion

Data Type|Decimal Units|Ratio Description|Proportion of Active Channel area to analysis window area

active_channel_area_itgr_width

Data Type|Decimal Units|Meters Description|Active Channel Area divided by centerline length within the analysis window

inactive_floodplain_area

Data Type|Decimal Units|Square meters Description|Total area of Inactive Floodplain within the analysis window

inactive_floodplain_area_proportion

Data Type|Decimal Units|Ratio Description|Proportion of Inactive Floodplain area to analysis window area

inactive_floodplain_area_itgr_width

Data Type|Decimal Units|Meters Description|Inactive Floodplain Area divided by centerline length within the analysis window

floodplain_area

Data Type|Decimal Units|Square meters Description|Total area of Floodplain (Active + Inactive) within the analysis window

floodplain_area_proportion

Data Type|Decimal Units|Ratio Description|Proportion of Floodplain to analysis window area

floodplain_area_itgr_width

Data Type|Decimal Units|Meters Description|Floodplain Area divided by centerline length within the analysis window

integrated_width

Data Type|Decimal Units|Meters Description|Integerated Width calculated as window_area / centerline_length

vb_acreage_per_mile

Data Type|Decimal Units|acres/mile Description|window_area converted to acres and divided by centerline_length converted to miles.

vb_hectares_per_km

Data Type|Decimal Units|hectares/km Description|window_area converted to hectares and divided by centerline_length converted to kilometers

active_acreage_per_mile

Data Type|Decimal Units|acres/mile Description|active_floodplain_area plus active_channel_area converted to acres and divided by centerline_length converted to miles

active_hectares_per_km

Data Type|Decimal Units|hectares/km Description|active_floodplain_area plus active_channel_area converted to hectares and divided by centerline_length converted to kilometers

inactive_acreage_per_mile

Data Type|Decimal Units|acres/mile Description|inactive_floodplain_area converted to acres and divided by centerline_length converted to miles

inactive_hectares_per_km

Data Type|Decimal Units|hectares/km Description|inactive_floodplain_area converted to hectares and divided by centerline_length converted to kilometers

window_size

Data Type|Decimal Units|Meters Description|Target Length of analysis window

window_area

Data Type|Decimal Units|Square meters Description|Total area of window

centerline_length

Data Type|Decimal Units|Meters Description|Total length of centerline clipped to window