uid=PIE,o=lter,dc=ecoinformatics,dc=org all public read WAT-YSI-Forest-2005.03 Plum Island Ecosystems LTER Program 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/ 2007 Continuous measurements, every 15-30 minutes, were made of stage, water temperature, conductivity, dissolved oxygen, and pH in Cart Creek, Newbury, MA, a small headwater stream draining a mainly forested catchment (55% forest + 19% wetland). Discharge is determined from stage using discharge vs stage regressions. Several day gaps occur periodically due to removal for recalibration. PIE LTER disturbance Parker River watershed Cart Creek forest discharge water temperature water stage conductivity 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-2005.html Watershed water collection and stream characterization site for Cart Creek (forest landuse), Newbury, MA -70.9165 -70.9165 42.7692 42.7692 2005-01-01 2005-12-22 Periodic with improvement of rating curve, particularly as more high discharge events are incorporated. This file was initially posted in September 2007. Version 01, 30 Oct 2007 updated metadata to EML level 3+ Version 02, 21Jan2010 keyword update Version 03, 15May2013, metadata and data updated to comply with importation to Drupal and LTER PASTA. Used MarcrosExportEML_HTML (working)pie_excel2007.xlsm 3/14/13 12:02 PM for QA/QC to EML 2.1.0 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/ YSI information is available from only a small portion of the year. Depth for most of the year is based on measurements by the sonde integrated with the Sigma Autosampler. When available discharge and stage is based on measurements by the YSI, as these are more reliable. YSI: YSI 6200 data sondes were deployed vertically in a pool deep enough to contain water during dry conditions. The sonde was deployed in a PVC tube, which was attached to ree-bar driven into the stream bed. The PVC tube had holes drilled to allow adequate water circulation. Dissolved oxygen measurements are of good quality because detritus did not accumulate in the bottom of the pool (unlike our suburban site). The PVC tube was surveyed upon original deployment in 2001 and resurveyed in 2002 to ensure that elevation did not change during winter ice period. No change was detected. No evidence of change has been noted through 2006 based on discharge measurements. See discussion below for development of the discharge-stage relationship. Recalibration of oxygen, pH, conducitivty and depth was performed roughly every 4-6 weeks. Instrument drift during deployment periods was not significant. SIGMA AUTOSAMPLER: Depth is also recorded at times using a depth sonde integrated with the Sigma autosampler. Sonde was secured to cinder block driven into the stream bottom and referenced to standardized depth. Discharge reported by the Sigma is included for when the autosampler was programmed to sample on a flow weighted basis. Sigma discharge is based on a rating curve programmed into the Sigma that is based on the old rating curve developed prior to 2004 and is therefore approximate. When available, YSI depth is used in preference to Sigma depth to determine discharge because the latter is less reliable. Otherwise, Sigma is corrected to HOBO depth using the following relationships: Jan-Feb 2005: YSI_Depth = Sigma_Depth - 0.032. HOBO_Depth = YSI_Depth + 0.17549 Mar-July 2005: YSI_Depth = Sigma_Depth - 0.012. HOBO_Depth = YSI_Depth + 0.17549 Discharge when Depth_Device = SIGMA should be used with caution because of instrument unreliability and the several conversions that are made to standardize the depth. 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, as standardized to depth measured with a HOBO datalogger (Column = HOBO_Depth), which is above bankfull stage. Rating curve has been standardized to HOBO_Depth to allow application of a single rating curve across years. Rating curve has an R2 of 0.96 using 32 measurements between 2001 and 2007. 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 : Discharge (l/s) = 731.91 (depth) ^ 5.5172 where depth is HOBO_Depth 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 WAT-YSI-Forest-2005.csv Year 2005, 15-30 minute measurements of stage, water temperature and conductivity in a small headwater stream draining draining a mainly forested catchment (55% forest + 19% wetland), Cart Cr., Newbury, MA. WAT-YSI-Forest-2005.csv 1 \r\n column , http://ecosystems.mbl.edu/PIE/data/WAT/data/WAT-YSI-Forest-2005.csv Date Date date (yyyy-mm-dd) yyyy-mm-dd NA NA = not available Time Time time (hh:mm) 24 hour hh:mm NA NA = not available Temp Temp water temperature (oC) celsius real NA NA = not available SpCond SpCond specific conductivity (mS/cm) millisiemenPerCentimeter real NA NA = not available DO% DO% dissolved oxygen percent of saturation (%) percent real NA NA = not available DOConc DOConc dissolved oxygen concentration (mg/l) milligramPerLiter real NA NA = not available pH pH log of the H+ ion concentration dimensionless real NA NA = not available YSI_Depth YSI_Depth stage height measured by YSI (m) meter real NA NA = not available SIGMA_DEPTH SIGMA_DEPTH stage height measured by SIGMA (m) meter real NA NA = not available SIGMA_FLOW SIGMA_FLOW discharge using SIGMA_Depth and earlier rating curve (l/s) literPerSecond real NA NA = not available HOBO_Depth HOBO_Depth stage height standardized to HOBO depth (m) meter real NA NA = not available 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 NA NA = not available Discharge Discharge discharge literPerSecond real NA NA = not available 12531 conductivity unit ratio of two quantities as percent composition (1:100) milligrams / liter liters per second