Plum Island Ecosystems LTER Database

Acceptance and utilization of LTER data requires that:

(1) The Principal Investigator be sent a notice stating reasons for acquiring any data and a description of the publication intentions.
(2) The Principal Investigator of the data set be sent a copy of the report or manuscript prior to submission and be adequately cited in any resultant publications.
(3) A copy of any resultant publications should be sent to:

Principal Investigator
Ecosystems Center
Marine Biological Laboratory
7 MBL St.
Woods Hole, MA 02543

Dataset URLs:METADATA: HTML, Rich Text, XML(EML compliant)
DATA: Comma Delimited, Excel file with Metadata and data
Dataset ID:EST-PR-O2info.01
Dataset Title:Information file for dissolved oxygen transect data, includes transect times, sunrise and sunset times, windspeed, solar radiation, and discharge from the Parker River.
Investigator 1: 
First Name:Charles
Last Name:Hopkinson
Address line 1:Ecosystems Center
Address line 2:MBL
Address line 3:7 MBLSt
City:Woods Hole
Zip Code:02543
Associate Investigators:Joe Vallino
Keywords:LTER, PIE, Plum Island Ecosystems, Massachusetts, Parker River, dissolved oxygen, conductivity, gas, salinity gradient, metabolism
Abstract:Information file for dissolved oxygen transect data, includes transect times, sunrise and sunset times, windspeed, solar radiation, and discharge from the Parker River.
Contact: Plum Island Ecosystems LTER Information Manager
The Ecosystems Center
Marine Biological Lab
7 MBL St
Woods Hole, MA 02543
Phone (508) 289 7485
Online URL:
Data File URL
Data File Name EST-PR-O2info
Beginning Date 6/17/1995
End Date 7/20/2000
Number of Data Records 58
Other Files to Reference EST-PR-O2.xls
Availability Status Type 1
Quality Control Information
Maintenance Description
Log of Changes:
Geographic Description Plum Island Estuary  
Location Bounding Box    
West Bounding Coordinate -71.22  
East Bounding Coordinate -70.75  
North Bounding Coordinate 42.83  
South Bounding Coordinate 42.5  
OR if single point location    
Taxonomic Protocols
Organisms studied
Methods:This information file contains windspeed, solar radiation, and Parker River discharge data obtained from outside parties. Windspeed was taken from the Boston International Airport. Solar radiation was calculated by the Northeast Regional Climate Center. Discharge from the Parker River is measured by the United States Geological Survey.

Data Table

Variable Name Variable Description Units Measurement Scale Code Information Number Type DateTime Format Missing Value Code Missing Value Code Explanation
DATE date of transect   datetime     dd-mmm-yyyy   blank cell
Dawn Transect mid-point time of dawn transect sampling   datetime     hh:mm   blank cell
Dusk Transect mid-point time of dusk transect sampling   datetime     hh:mm   blank cell
Sunrise time of sunrise   datetime     hh:mm   blank cell
Sunset time of sunset   datetime     hh:mm   blank cell
Windspeed windspeed meterPerSecond ratio   real     blank cell
Solar Radiation total solar radiation megaJoulePerMeterSquaredPerDay ratio   real     blank cell
Discharge Parker River discharge meterCubedPerSecond ratio   real     blank cell