Umiat Corridor Project
Upper May Creek Met Station (DUM2)

Station Information

Site Description

Station Name: Upper May Creek Met Station
Location: Upper May Creek, Upper Anaktuvuk River Basin
Coordinates: 68.3985, -150.2277 (WGS 84)
Elevation: NGVD 1929: 1378 m

Notes:

  • Elevation from hand-held GPS

Station History

  • Site Commissioned: 05/17/2009

Sensor Details:

  • Images: CC640 Digital Camera
    • Image Trigger Interval : 30-minutes
    • Image Retrieval Interval : One every hour
  • Wind Speed: RM Young 05103-L Wind Monitor
    • Accuracy: +/- 0.3 m/s (+/- 0.6 mph)
    • Operating Range: 0 to 60 m/s (0 to 134 mph)
    • Starting Threshold: 1 m/s (2.2 mph).
    • Height: 3 m
    • Output Units: meters per second
    • Scan Interval: 5 seconds
  • Wind Direction: RM Young 05103-L Wind Monitor
    • Operating Range: 0 to 360 deg (mechanical) true north (0 to 355 electrical, 5 deg open)
    • Starting Threshold: 1.1 m/s (2.2 mph) 10 deg displacement
    • Installation: Align true north
    • Height: 3 m
    • Output Units: degrees true north
    • Scan Interval: 5 seconds
  • Air Temperature: HMP45C Vaisala AT/RH sensor
    • RH Accuracy @20°C: 62% RH ( 0-90%), 63% RH (90-100%)
    • Temperature Accuracy: 60.2°C at 20°C; 60.4°C at -40°C
    • Operating Range: -40°C to +60°C
    • RH Range: 0 to 100%
    • Installation: In 12-gill radiation shield, non-aspirated
    • Height: 2 meters (6.6 feet)
    • Output Units: °C
    • Scan Interval: 60 seconds
  • Air Temperature - Cold Range: Triplicate YSI Series 44033 thermistors
    • Operating Range: -80°C to +75°C
    • Installation: In 6 plate Gill Radiation Shield, non-aspirated
    • Height: 2 meters (6.6 feet)
    • Output Units: kW, °C.
    • Scan Interval: 60 seconds
  • Barometric Pressure : CSI Model CS106 Vaisala PTB110 Barometer
    • Installation: inside the datalogger enclosure
    • Height: about 1.5 m
    • Output Units: hPa (mb)
    • Scan Interval: Hourly
  • Summer Precipitation: Texas Electronics TE525MM (Tipping Bucket Gauge)
    • Resolution (1 Tip) : 0.004 in (0.1 mm)
    • Accuracy: ±1% at rates up to 1"/hr
    • Installation: wind shield
    • Height: 1 m
  • Snow Depth: Campbell Scientific SR50 (sonic ranging sensor)
    • Operating Range: 0.5 to 10 meters
    • Resolution: 0.1 mm
    • Accuracy: to 1 cm or 0.4 percent of distance to target
    • Installation: Point straight down on a flat surface
    • Height: ~1.5 m
  • Net Radiation: Kipp and Zonen NR-Lite
    • Installation: Orient to south to minimize shadow effect from pole.
    • Accuracy: Varies with temperature, wind speed and sensor symmetry
    • Height: 1.24 meters (4.1 feet)
  • Datalogger: Campbell Scientific CR1000
    • Operating Temperature Range: -55°C to +85°C
  • Radio: Freewave FGR-115RC
    • Frequency: 900 MHz Spread Spectrum
Copyright © 2006 Water and Environmental Research Center