US-UMB
University of Michigan Biological Station (UMBS) AmeriFlux site Soil Water Content meta data
contact: Chris Vogel <csvogel@umich.edu>

File creation date: March 12, 2008

File update: March 12, 2008

File format: comma delimitted text file

File column header: Year, Day of Year, Hour Minute, Decimal Day, 0 - 30 cm depth Soil Water Content, 
SWC standard deviation, N

Soil water content (m3/m3) determined using Campbell Scientific CS615 and CS616 soil water content 
time domain reflectivity (TDR) probes inserted vertically into the soil.  The probes are spatially 
separated by 5 to 10 m within 20 m of the flux tower.