soil temperature model for closed canopied forest stands
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soil temperature model for closed canopied forest stands

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Published by U.S. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station in Asheville, N.C .
Written in English

Subjects:

  • Soil temperature,
  • Plant canopies,
  • Forest soils

Book details:

Edition Notes

StatementJames M. Vose, Wayne T. Swank.
SeriesResearch paper SE -- 281.
ContributionsSwank, Wayne T., Southeastern Forest Experiment Station (Asheville, N.C.)
The Physical Object
Pagination11 p. :
Number of Pages11
ID Numbers
Open LibraryOL13638048M
OCLC/WorldCa24292033

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A Soil Temperature Model for Closed Canopied Forest Stands ABSTRACT We developed a soil temperature model to predict hourly temperatures at the litter-soil interface and at soil depths of m, m, and m in hardwood forest stands with closed canopies. The model, which was written in BASIC on a microcomputer, uses a numerical solution Cited by: 8. We developed a soil temperature model to predict hourly temperatures at the litter-soil interface and at soil depths of m, m, and m in hardwood forest stands with closed canopies. The model, which was written in BASIC on a microcomputer, uses a numerical solution for the partial differential heat-flow equation. A soil temperature model for closed canopied forest stands / By James M. Vose, Wayne T. Swank and Pa.) Southeastern Forest Experiment Station (Radnor Abstract. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

  The only semi-empirical model that accounts for the cover of the forest canopy and litter on temperature in forest soils is that described by Kang et al. (). Soil temperature predictions were based on the day mean daily air temperature, with modifications to allow for the influence of soil depth, leaf area index and litter cover. Data on temperatures in forest stands and forest soils are rarely reported. Most climatic stations are in openings and do not include soil temperatures. Among forests the least is known about montane and subalpine environments. The only known data sets of this type have been collected for the United States/International Biological Program study. For trees in the closed forest stands, although crown asymmetry occurred randomly in different directions and had a large variation, the average ratio was close to biggest soil. This has prompted forest ecologists and silviculturists to investigate the atmospheric and soil climate of forests and clearcuts throughout the province. The purpose of this manual is to provide foresters and other resource managers with a reference to aid them in the collection and interpretation of soil temperature information.

Mature Forest Stands in the SE USA NP K Ca Mg lbs/acre Vegetation – 20‐60 ‐ ‐ 40‐ Forest Floor ‐ 10‐30 20‐40 ‐ 20‐40 Soil ‐ ‐ > > > Total ‐ ‐ + + + Soil N is total, soil P is extractable, soil K, Ca, and Mg are exchangeable. Soil Temperature Changes with Time and Depth: Theory, D.L. Nofziger Introduction Model Simplifications FAQ Glossary Bibliography and Contributors Soil Temperature Variations With Time and Depth Soil temperature fluctuates annually and daily affected mainly by variations in air temperature and solar radiation. Soil fertility is defined as ‘the status of a soil with respect to the amount and availability to plants of elements necessary for plant growth’ (Soil Science Society of America, ). The definition implies that amount of growth or yield is a variable, dependent on the level of soil fertility but that many other factors such as type of. Table 3: Median soil temperature and temperature spreads for in the Mesic Slope Forest. It should be noted that surveys done on - 03, , and are based on only the first five stations. Figure 3: Median soil temperatures (circles) for in the Mesic Slope Forest. The soil temperature trend is shown for comparison.