Table 3 Chronology of instrumentation changes at James Cave
Date
Site(s)
Description
09/2007
Surface
Rain gauge with temperature, relative humidity
sensor installed
09/2007
MS1, MS2
Suspended tarps and rain gauges installed;
multiparameter sondes installed
02/2008
MS3
Suspended tarp and rain gauge installed;
multiparameter sonde installed
08/2008
Surface
Precipitation collector installed
03/2009
Stream weir
Stream weir installed
03/2009
Stream weir
Solinst pressure transducers (level and
barometric loggers) installed
07/2009
Soil2, Soil3, soil entrance
Tension lysimeters installed (1 m depth)
04/2010
Stream
Multiparameter sonde installed
01/2011
Stream
Sonde moved upstream from weir to near
entrance
01/2011
MS1, MS2, MS3
Sondes removed; specific conductance loggers
installed
01/2011
Stream weir
Stream weir replaced with concrete V-notch
weir
06/2011
Stream
Sonde removed; specific conductance logger
installed
02/2012
All sites
Cease composite geochemical sampling
05/2012
MS1, MS2, MS3
Replaced microstation and smart sensor rain
gauge with reed switch and pendant logger
combination
05/2012
Stream weir
Replaced Solinst level and barometric loggers
with Onset loggers
06/2012
Surface
Replaced smart sensor rain gauge with reed
switch and pendant logger combination
07/2012
MS1, MS2, MS3
Replaced pendant logger with pulse adaptor
and microstation combination
Table 4 Data types and units
for continuous data collection
Data type
Recording units
Precipitation/drip
mm/in or counts
RH
%
Air temperature
C or
F
Drip SC
μS/cm
Drip temperature
C or
F
Stream stage
Water and barometric pressure
214
M.E. Schreiber et al.