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Average Layer Soil Temperature

Name

Average Layer Soil Temperature

Other Names

None

Definition

Average layer soil temperature is the depth-averaged temperature beneath the soil surface at a specified layer. These soil temperatures may contribute to the low frequency variability of energy and water fluxes. They are important measured quantities in analyzing of the ground heat flux, and then the energy and water cycles.

In the Land Data Assimilation Systems (LDAS), the number of vertical levels for soil temperature is model specific. Please follow the table below for the correct depths of soil layers.   

ModelVertical Layers

CLM          (10 layers)

0-0.018, 0.018-0.045, 0.045-0.091, 0.091-0.166, 0.166-0.289, 0.289-0.493, 0.493-0.829, 0.829-1.383, 1.383-2.296, and 2.296-3.433 m.
Mosaic       (3 layers)0-0.02,0.02-1.50, and 1.5-3.50 m.
Noah           (4 layers)0-0.1, 0.1-0.4, 0.4-1.0, and 1.0-2.0 m. 
VIC              (3 layers)0-0.1, 0.1-1.6, and 1.6-1.9 m. 

 

Applications

  1. Water cycle
  2. Energy cycle
  3. Weather forecast
  4. Global climate change

GES DISC Datasets

Parameter Units Platform /Instrument Data
Begin Date End Date Access Doc
Average Layer Soil Temperature K GLDAS Model 1979 present ftp Y

Other Sources for Data

  1. GLDAS
  2. NSIDC

 

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Last updated: Sep 13, 2013 09:28 AM ET
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