WAT-YSI-Forest_2009.02 Wilfred Wollheim

Morse Hall UNH Durham NH 03824 USA

Plum Island Ecosystems LTER Program

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7485 pie_im@mbl.edu http://ecosystems.mbl.edu/PIE/ 2008 Continuous measurements, every 15 minutes, were made of stage, water temperature in a small headwater stream draining a mainly forested catchment (55% forest + 19% wetland). Discharge is determined from stage using discharge vs stage regressions. PIE LTER disturbance Cart Cr forest discharge water temperature water stage Acceptance and utilization of PIE-LTER data requires that: The Principal Investigator 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 http://ecosystems.mbl.edu/PIE/data/WAT/WAT-YSI-Forest-2009.html YSI-CC -70.9165 -70.9165 42.7692 42.7692 2009-01-01 2009-11-11 Periodic with improvement of rating curve, particularly as more high discharge events are incorporated. This file was compiled in 1/2010 Version 01, 22Jan2010, Excel metadata and keyword updates Version 02, 31Mar2010, Date data corrections Data Manager

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7485 pie_im@mbl.edu http://ecosystems.mbl.edu/PIE/ Plum Island Ecosystems LTER

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7485 pie_im@mbl.edu http://ecosystems.mbl.edu/PIE/ Depth and water temperature were measured using a HOBO data logger deployed in a stilling well. \Depths are corrected for barometric pressure changes using readings in an additional HOBO datalogger deployed at Marshview Farm. The HOBO is deployed in a a PVC tube, which was attached to ree-bar driven into the stream bed. The PVC tube has holes drilled to allow adequate water circulation. ADDITIONAL RESEARCH LOCATION COORDINATES: In addition to the decimal degree coordinates given above, locations are also given here in Massachusetts State Plane coordinates. The stream is called Cart Cr. and is located in Newbury MA. Some residential area is present. (~ 10% of the basin). In addition, I-95 passes through the center of the catchment, resulting in roughly 8% impervious surface area STATION STATE X STATE Y YSI-CC 247680 946790 NOTES AND COMMENTS: Velocity measurements were made using a Marsh McBirney current meter. Discharge estimates in Cart Cr. are based on a power rating curve that contains measurements up to a depth of 0.8 meters, which is above bankfull stage. The rating curve has an R2 of 0.96 using 32 measurements between 2001 and 2007. Rating curve has been standardized to HOBO_Depth to allow application of a single rating curve across years. All files in this series (2001-2006) are currently standardized to HOBO_depth. The column Depth_Device is included when combining files from several years, over which several different devices were used to calculate depth. HOBO_Depth is the depth that is standardized across all measurement devices so that a single rating curve can be applied. CALCULATIONS: Discharge rating curve is based on rating curve developed in previous years (discharge measurements from prior to Summer 2007): Discharge (l/s) = 731.91 (depth) ^ 5.5172 where depth is HOBO_Depth The discharge rating curve used in this data set is subject to revision in the future as additional measurements are obtained. Anne Giblin

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7488 agiblin@mbl.edu Lead PI Hap Garritt

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7485 pie_im@mbl.edu Information Manager The Plum Island Ecosystems (PIE) LTER is an integrated research, education and outreach program whose goal is to develop a predictive understanding of the long-term response of watershed and estuarine ecosystems at the land-sea interface to changes in climate, land use and sea level. The principal study site is the Plum Island Sound estuary, its coupled Parker, Rowley and Ipswich River watersheds and the adjacent coastal ocean, the Gulf of Maine. The PIE LTER focuses on how several aspects of global change influence organic matter and inorganic nutrient biogeochemistry and estuarine foodwebs. The inputs of organic matter and nutrients from land, ocean and marshes interact with the external drivers (climate, land use, river discharge, sea level) to dictate the extent and degree of nutrient and organic matter processing and determine the spatial patterns of estuarine productivity and trophic structure. This material is based upon work supported by the National Science Foundation under Grants OCE-9726921, OCE-0423565. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. The Plum Island Ecosystems (PIE) LTER site, is located in northeastern Massachusetts, 42.72 N, 70.85 W. The PIE LTER lies at the interface of a thinly soiled, formerly glaciated New England land mass and the highly productive Gulf of Maine. Three watersheds comprise the estuarine drainage basin: Parker (155 km2), Rowley (26 km2) and Ipswich (404 km2). The Ipswich River watershed is highly urbanized with Boston "bedroom" communities encroaching in the headwater region while the Parker is less urbanized and retains a higher proportion of forest. -71.2198 -70.7568 42.8276 42.4965 0 100 meter uid=PIE,o=lter,dc=ecoinformatics,dc=org all public read WAT-YSI-Forest-2009.dat Year 2009, 15 minute measurements of stage, water temperature in a small headwater stream draining draining a mainly forested catchment (55% forest + 19% wetland), Cart Cr., Newbury, MA. WAT-YSI-Forest-2009.dat 1 column , http://ecosystems.mbl.edu/PIE/data/WAT/data/WAT-YSI-Forest-2009.dat Date Date date (yyyy-mm-dd) yyyy-mm-dd Time Time time (hh:mm) 24 hour hh:mm Temp Temp water temperature (oC) celsius real HOBO_Depth HOBO_Depth stage height standardized to HOBO depth (m) meter real Depth_Device Depth_Device depth measurement device used to determine discharge YSI YSI depth sonde SIGMA Sigma autosampler depth sonde TEMP_HOBO HOBO depth sonde deployed in temporary stilling well HOBO HOBO depth sonde deployed in permanent stilling well Discharge Discharge discharge litersPerSecond real