Hubbard Brook Experimental Forest (USDA Forest Service): Soil Temperature Measurements, 1959 - 1998

Soil temperature data were collected approximately weekly at the Hubbard Brook Experimental Forest from 1959 - 1998. Colman temperature-moisture sensors were installed at one location west of weir 4 and replicated (1 and 2) at depths of 3, 8, 15, 30, 46 and 61 cm. Soil resistance was recorded using a manually-operated AC resistance meter then converted to temperature. In 1998 the battery needed to operate the meter to read the sensors was no longer available. No soil temperature data were collected from the last Colman reading in 1998 until the start of a new network collocated with the Colman plots. Two sets of hydroprobes run from a SCAN site (Soil Climate and Analysis Network operated by the NRCS) were placed at the original depths and as close as possible to the original location. Hubbard Brook SCAN data are now available at the NRCS SCAN website from 2002 – present and serve to extend the soil temperature dataset first initiated in 1959 in to the future. These data were gathered as part of the Hubbard Brook Ecosystem Study (HBES). The HBES is a collaborative effort at the Hubbard Brook Experimental Forest, which is operated and maintained by the USDA Forest Service, Northern Research Station.