Site Information
Site Name Elevation (feet) Latitude Longitude HUC Basin
Little Chena Ridge 2000 65 07.48 146 43.87 19040506 Tanana
Date Record Begins Cooperators and Sponsors
October 1, 1981 Alaska District Army Corps of Engineers (COE); Sponsors site.

Parameter Sensor Model Physical Description and Orientation
Air Temperature YSI 44211 (-67 - -185 deg F) Mounted on a MET tower at 10' 0".
Snow Depth Judd Snow Depth Sensor Mounted on a MET tower at 8' 6".
Snow Water Transducer 6' Hyalon snow pillow.
Soil Moisture/Temp Vitel Hydra II Soil Probes (3) Probes at 2", 8" & 20".
Soil Temp - Surface YSI 44211 (-67 - -185 deg F)

Sensor mounted at soil surface.

Solar Radiation Li-Cor Pyranometer LI200X Mounted on a MET tower at 10' 0".
Storage Precipitation Transducer 7' rocket type storage precipitation with Alter shield.
Tipping Bucket 8" Nova Lynx Mounted with Alter shield on pipe stand at 7'.
Wind Speed/Direction RM Young

Mounted on a MET tower at 20' 0".

Data Collection
Data Collection Platform Data Collection Program Sensor Update Rate
CR1000 COE-Chena 10 seconds for wind, 5 minutes for all other sensors