Data from Selected U.S. Geological Survey National Stream Water-Quality
Monitoring Networks (WQN)
By Richard B. Alexander, James R. Slack, Amy S. Ludtke, Kathleen K. Fitzgerald,
USGS Digital Data Series DDS-37
and Terry L. Schertz
Station 01358000 HUDSON RIVER AT GREEN ISLAND NY
The following are the water-quality and streamflow data
files for the station you selected (see below for
a description of the file extensions, file formats, and other supporting information):
The following water-quality and streamflow files are available for a companion relocated NASQAN station.
Consult the fileWQ_RELOC.DAT
for the date of station relocation (the file layout is given in
Other station information files may also be of assistance.
The name of each file is ssssssss.ttt where ssssssss is the 8-digit USGS
station number, and ttt is:
ALK for alkalinity, bicarbonate, and carbonate parameters,
BIO for biological parameters,
DMV for daily mean values of streamflow,
MAJ for major dissolved ions,
MT1 for dissolved and total trace-element parameters,
MT2 for dissolved and total trace-element parameters,
MT3 for dissolved and total trace-element parameters,
MT4 for dissolved and total trace-element parameters,
NUT for nutrients, suspended sediment, and organic carbon,
PHY for physical/field parameters including instantaneous flow, and
RAD for radiochemical parameters.
Note that these extensions are non-standard MIME types and your
browser may request additional action.
details of the water-quality file layout.
details of the daily mean streamflow file layout.
Note that within each file there is one record for each date and time
sampled except for the daily mean streamflow values where there is
one record for each day of the month (31 records to a calendar year).
The water-quality records are sorted by date, time, and ending date
(which may be present for some biological data).
Also note that the instantaneous streamflow recorded at the time of
water-quality sampling is stored in each of the water-quality data
files, and is available for use in cases where water-quality and
streamflow pairs are required (e.g., correlations between
water-quality and flow).
Supporting Water-Quality and Streamflow Information
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Last modified: 01/23/97 13:25:34