precipitation

Year 2017, meteorological data, 15 minute intervals, from the PIE LTER Marshview Farm weather station located in Newbury, MA

Abstract: 

Year 2017 meteorological measurements at MBL Marshview Farm of air temperature, humidity, precipitation, solar radiation, photosynthetically active radiation (PAR), wind speed and direction and barometric pressure. Sensors conduct measurements every 5 secs and measurements are reported as averages or totals for 15 minute intervals. 15 minute averages are reported for air temperature, humidity, solar radiation, PAR, wind speed and direction and barometric pressure. 15 minute totals are reported for precipitation.

Data set ID: 

423

Keywords: 

Short name: 

MON-PR-Met15min2017

Data sources: 

MON-PR-Met15min2018_csv
MON-PR-Met15min2017_xls

Methods: 

The data file is a summary of daily weather data from the PIE LTER weather station located at MBL Marshview Farm in Newbury, MA.

The weather station is solar powered using a Solarex MSX-20 20 watt solar module including a 12V charger and regulator and 12 AH lead acid battery.  The system was supplied by Campbell Scientific Inc.,
The data logger is supplied by Campbell Scientific CR10X-1M data logger with 1 megabyte memory storage module and PC208W Windows data logging software.
The enclosure and tower is a Campbell Scientific ENC 12/14 (12” X 14” weather proof enclosure), CM10 (10’ tripod, grounding kit and CM10 guy wire kit.

Data telemetry/Communication

at Remote Site/Weather station, MBL Marshview Farm
- RF 310M, RF Modem for use w/Maxon radios
- RF 310, Maxon radio for 148-174 MHZ
- 158.34 MHZ - Yagi antenna – Antennex Y1503 3DB 150-174 MHz

at Base station, Rowley field station
- RF 310B Base station for use w/Maxon radio
- FG1563, Omni directional antenna 155-162 MHZ, 3 DB gain

Sensors used:
Temperature and Humidity Vaisala HMP45C temperature and humidity sensor with solar radiation shield. Specifications: +/- 1% accuracy over – 40 to 60 °C temperature range
Precipitation gauge Texas Electronic TE525WS-L, 8” rain gage with CS705 precipitation adapter for snow fall. Specifications: +/- 1% accuracy up to 1 in./hr.
Pyranometer Solar radiation, 400-1100 nm, Licor LI200X-L pyranometer, mounted at 3 meter height Specifications: +/- 3% typical accuracy
PAR Photosynthetically active radiation, 400-700 nm, Licor LI190SB quantum sensor, mounted at 3 meter height Specifications: +/- 5% calibration, National Institute of Standards Technology
Wind speed and direction RM Young 05103 Wind monitor, mounted at 3 meter height Barometric pressure Vaisala PTB101B Specifications: +/- 4 mB @ -20oC to +45o C.

During maintenance on Nov 7, 2017, the precipitation collector funnel had water in it, clogged, ~ 5 cm of water. Measured precipitation 15 minute data for preceding months of September and October, were  deemed suspect due to clogging and have been deleted.
Daily precip recorded in PIE LTER dataset MON-PR-MetDay for Sept and Oct 2017 are estimates representing daily averages of  four NOAA proxy weather stations in Northeast Massachusetts (Beverly, Haverhill, Lawrence and Newburyport) during the months of September and October 2017.

Maintenance: 

Final data set for Year 2017

Version 01: January 24, 2018, data and metadata updates to comply with importation to Drupal and LTER PASTA. Used MarcrosExportEML_HTML (working)pie_excel2007_Jun2017.xlsm 6/15/17 10:23 AM for QA/QC to EML 2.1.0

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