Plum Island Ecosystems

Parker River daily discharge, at Byfield, MA


USGS gaged daily discharge from the Parker River at Byfield, Massachusetts (Station 01101000), draining 55.1637 km2 of watershed. Data are used for determining freshwater flows into the Plum Island Sound Estuary, MA.

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Data were downloaded from USGS web site:

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# The data you have obtained from this automated U.S. Geological Survey database
# have not received Director's approval and as such are provisional and subject to
# revision.  The data are released on the condition that neither the USGS nor the
# United States Government may be held liable for any damages resulting from its use.
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LOCATION--Lat 42°45’10", long 70°56’46", Essex County, Hydrologic Unit 01090001, on left bank 1,400 ft downstream from dam, 0.5 mi south of Byfield, 0.7 mi upstream from Wheeler Brook, and 5.5 mi southwest of Newburyport.  
DRAINAGE AREA--21.3 mi2.
PERIOD OF RECORD--Discharge: October 1945 to current year. October 1945 monthly discharge only, published in WSP 1301.
Water-quality records: Water years 2003–04.
REVISED RECORDS--WDR MA-RI-84-1: Drainage area; WDR MA-RI-00-1: 1999.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 23.46 ft above National Geodetic Vertical Datum of 1929 (levels by Massachusetts Department of Public Works).
COOPERATION BY--Massachusetts Department of Environmental Protection, Division of Watershed Management, Massachusetts Department of Conservation and Recreation

Published data from USGS is in ft3 sec-1. We have converted this to m3 sec-1 by multiplying the data by the following conversion factor: 1ft3 = 0.0283168 m3


Data is downloaded from USGS web site, approximately annually
Version 01; EML metadata compiled in Excel
Version 02; data update, 27-Jan-2011
Version 03: January 31, 2012, updated data and metadata. Used MarcrosExportEML_HTML (working)pie_excel2007.xlsm 1/27/12 4:35 PM for QA/QC to EML 2.1.0
Version 04: April 18, 2013, data and metadata updated to comply with importation to Drupal and LTER PASTA. Research location name and description updated.Used MarcrosExportEML_HTML (working)pie_excel2007.xlsm 3/14/13 12:02 PM for QA/QC to EML 2.1.0
Version 05: October 23, 2013, data and metadata updated. Used MarcrosExportEML_HTML (working)pie_excel2007_Sep2013, 9/30/13 2:57 PM for QA/QC to EML 2.1.0
Version 06: February 9, 2016, updated data and metadata to January 18, 2016 to comply with importation to Drupal and LTER PASTA. Used MarcrosExportEML_HTML (working)pie_excel2007_Jan2015.xlsm 1/15/15 4:26 PM for QA/QC to EML 2.1.0

Version 07: July 29, 2019, updated data and metadata to Oct 17, 2018

Version 08: February 19, 2022, updated data and metadata to December 31, 2020


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