GBER_ChannelPts
Many of the fields in the attribute table of this shapefile are the results of running ArcGIS plugin Planform Statistics (Lauer and Parker, 2008) on the channels' traced banklines.  Many fields have null values (typically 0) where banks could not be traced.  The attribute table fields are:dFrmMNR_m	(m) distance from the confluence of the Blue Earth and Minnesota Riverswidth 		(m) channel width where traced streambanks exist.  These points were measured on the Blue Earth and Watonwan, but were calculated on the Maple and Le Sueur following the relationship between width and upstream area in Gran et al., 2013.chanElv	(m) the elevation of the channel centerline from the 3m DEMChanSlp	channel slope, averaged over a moving 6km long reachupstrmA_km	(km^2) sampled from a flow accumulation raster created from a 30m resolution DEMc		(m/a) channel migration rate, measured using Planform Statistics and the traced banklines.  Data could not be accurately imported for the Maple and Le Sueur riversCRR_3km	(m/a) arithmetic average bluff crest retreat rate within a circle of 3km radius. meanE		(m/a) linear regression average (volume eroded/surface area) bluff erosion rate within a circle of 3km radius.  E = ((2*retreat)+migration)/4sigmaE		(m/a) the standard deviation of the meanE measurementsc_6km_av	(m/a) channel migration rate arithmetically averaged over 6km reachescPerWidth	(m/m/a) channel migration rate normalized to channel widthcPerW6km	(m/m/a) 6km reach averaged channel migration rate normalized to channel width
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