Skip to Main Content
Annual cycles of soil and water temperatures at Hubbard BrookAuthor(s): C. Anthony Federer
Source: Research Note NE-167. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 7p.
Publication Series: Research Note (RN)
Station: Northeastern Research Station
PDF: View PDF (747.18 KB)
DescriptionSoil temperatures in the Hubbard Brook Experimental Forest in central New Hampshire decline very slowly from December to March and are restricted from falling below OºC by insulation of snow and organic matter. Soil in the hardwood forest on a moderate south slope warms rapidly in the spring leafless period after snowmelt and reaches a maximum temperature in early August that averages 17.5ºC near the surface and 12.5ºC at 91-cm depth. The soil cools to nearly isothermal conditions at 11ºC in October. The mean annual cycle of soil temperature near the surface corresponds closely to that of air temperature under the canopy, except in winter. Stream temperatures are about the same as soil temperature at a depth of 31 cm throughout the year. Windthrow mounds are cooler than uniform slopes in winter and warmer in summer. Simultaneous soil temperatures at different locations in the forest generally differ by no more than 2ºC at any given depth.
- Check the Northern Research Station web site to request a printed copy of this publication.
- Our on-line publications are scanned and captured using Adobe Acrobat.
- During the capture process some typographical errors may occur.
- Please contact Sharon Hobrla, firstname.lastname@example.org if you notice any errors which make this publication unusable.
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationFederer, C. Anthony. 1973. Annual cycles of soil and water temperatures at Hubbard Brook. Research Note NE-167. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 7p.
- Measuring soil frost depth in forest ecosystems with ground penetrating radar
- Hydromorphic soil development in the coastal temperate rainforest of Alaska
- Temperature and Soil Moisture Regimes In and Adjacent to the Fernow Experimental Forest
XML: View XML