Acceptance and utilization of PIE-LTER data requires that:
· The Principal Investigator should be sent a notice stating reasons for acquiring any data and a description of the publication intentions.
· 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.
· A copy of any resultant publications should be sent to:
(Principal Investigator)
Ecosystems Center;
Marine Biological Laboratory
Woods Hole, MA 02543
PLUM ISLAND ECOSYSTEM LTER DATABASE
DATA FILE: Data file is available as both an Excel spreadsheet (version 2000) and a text (tab-delimited) file.
WAT-IP-1998Monthly.xls, WAT-IP-1998Monthly.txt
DOCUMENTATION FILE: WAT-IP-1998Monthly.doc
YEAR: 1998-1999
PI: Charles Hopkinson
OTHERS: Ed Rastetter, Joe Vallino, Michael Williams, Solange Filoso, Luc Claessens, Jeff Evans
BRIEF DESCRIPTION OF DATA FILE: Nutrient data set for the Ipswich River main stem, major tributaries, and headwaters. Data are from base flow conditions. Samplings were from July 1998 to July 1999, and were collected and analyzed by MBL
KEYWORDS: ammonium, dissolved, nitrate, nitrogen, nutrient, organic,
phosphate, phosphorus, total
SITE TYPE: Watershed
RESEARCH LOCATION:
River km = Distance starts at Sylvania Dam which is set at 0 km
X and Y coordinates (meters) are given in Massachusetts State Plane NAD83
|
Station ID |
Location |
River km |
Town |
Location |
|
|
Main Stem Ipswich River |
|
|
STATE X |
STATE Y |
|
|
IP00 |
Woburn Street |
50.486 |
Wilmington |
229261 |
922641 |
|
IP01 |
Mill Street |
46.471 |
Reading |
231973 |
923476 |
|
IP03 |
Central Street |
43.924 |
North Reading |
233673 |
924718 |
|
IP04 |
Route 62 |
41.709 |
North Reading |
235314 |
925186 |
|
IR-PS |
Pumping Station |
38.67 |
North Reading |
237134 |
924693 |
|
IP06 |
Bostik |
36.728 |
Middleton |
238657 |
924466 |
|
Hilldale |
Hilldale Avenue |
34.698 |
Middleton |
240318 |
923859 |
|
IP08 |
Log Bridge Road (West St.) |
31.317 |
Middleton |
241607 |
925387 |
|
IP10 |
Route 62 |
28.072 |
Middleton |
241318 |
927369 |
|
IP11 |
Peabody Street |
24.85 |
Middleton |
241264 |
929664 |
|
IP13 |
Rowley Bridge Road |
21.374 |
Topsfield |
243730 |
930853 |
|
IP14 |
Salem Road |
19.487 |
Topsfield |
245138 |
930709 |
|
IR-97 |
Route 97 |
17.988 |
Topsfield |
246323 |
930525 |
|
IP16 |
IRWS - Boat Launch |
15.309 |
Topsfield |
247653 |
930787 |
|
IP18 |
Asbury Road |
9.857 |
Topsfield |
248221 |
933850 |
|
IP20 |
Winthrop Street |
7.341 |
Ipswich |
249961 |
934438 |
|
IP22 |
Mill Road |
4.054 |
Ipswich |
252322 |
934396 |
|
IP24 |
Sylvania Dam |
0 |
Ipswich |
254279 |
936547 |
|
|
|
|
|
|
|
|
Main Stem Tributaries |
|
|
|
|
|
|
MB01 |
Martins Brook at Park St. |
44.906 |
North Reading |
232739 |
924632 |
|
BB |
Boston Brook at Peabody St. |
25.683 |
Middleton |
240744 |
929741 |
|
FB-BV |
Fish Brook at Brookview Rd. |
21.468 |
Boxford |
238700 |
935037 |
|
FB-MI |
Fish Brook at Middleton Rd. |
21.468 |
Boxford |
240634 |
934316 |
|
FB-WA |
Fish Brook at Washington St. |
21.468 |
Boxford |
243166 |
931249 |
|
HB-01 |
Howlett Brook at Ipswich Rd. |
9.878 |
Topsfield |
247794 |
933994 |
|
MR-1A |
Miles River at County Rd. |
2.176 |
Ipswich |
253852 |
934390 |
|
GC |
Green wood Creek |
|
Ipswich |
|
|
|
|
|
|
|
|
|
|
Upper Ipswich River Tributaries |
|
|
|
|
|
|
LB |
Lubbers Brook at Glen Rd. |
56.116 |
Wilmington |
226040 |
923979 |
|
MMB |
Maple Meadow Brook at Wildwood St. |
52.054 |
Wilmington |
228204 |
922522 |
EXPERIMENTAL DESIGN AND METHODS:
NOTES AND COMMENTS:
VARIABLE DESCRIPTION:
DATE = date (dd-mmm-yyyy)
STATION = station name
STATE X = x coordinates (meters) in MA state plane NAD 83
STATE Y = y coordinates (meters) in MA state plane NAD 83
NO3 = nitrate + nitrite (µM)
NH4 = ammonium (µM)
PO4 = soluble reactive phosphorus (µM)
TDN = total dissolved nitrogen (µM)
TDP = total dissolved phosphorus (µM)
Cl = chloride (µM)
SO4 = sulfate (µM)
River km = kilometers upriver from the Sylvania dam in downtown Ipswich
CALCULATIONS:
FOR MORE INFORMATION, CONTACT:
Michael Williams
Ecosystems Center
Marine Biological Laboratory
7 MBL Street
Woods Hole, MA 02543
OTHER DATA FILES TO REFERENCE:
REFERENCE CITATIONS:
DATA AVAILABILITY STATUS:
Type 3
ARCHIVE INFORMATION:
Date of entry: July 21, 2001
Data entered by: M. Williams
Comments: