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Table of Contents - The Atmospheric Studies Group at TRC

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Section 8: CALMET Model Files<br />

<strong>Table</strong> 8-6:<br />

Default CALMET Land Use C<strong>at</strong>egories and Associ<strong>at</strong>ed Geophysical Parameters Based on the U.S. Geological Survey<br />

Land Use Classific<strong>at</strong>ion System (14-C<strong>at</strong>egory System)<br />

Land Use Type<br />

Description<br />

Surface<br />

Roughness (m) Albedo Bowen R<strong>at</strong>io<br />

Soil He<strong>at</strong><br />

Flux Parameter<br />

Anthropogenic<br />

He<strong>at</strong> Flux (W/m 2 )<br />

Leaf Area<br />

Index<br />

10 Urban or Built-up Land 1.0 0.18 1.5 .25 0.0 0.2<br />

20 Agricultural Land - Unirrig<strong>at</strong>ed 0.25 0.15 1.0 .15 0.0 3.0<br />

-20 * Agricultural Land - Irrig<strong>at</strong>ed 0.25 0.15 0.5 .15 0.0 3.0<br />

30 Rangeland 0.05 0.25 1.0 .15 0.0 0.5<br />

40 Forest Land 1.0 0.10 1.0 .15 0.0 7.0<br />

51 Small W<strong>at</strong>er Body 0.001 0.10 0.0 1.0 0.0 0.0<br />

54 Bays and Estuaries 0.001 0.01 0.0 1.0 0.0 0.0<br />

55 Large W<strong>at</strong>er Body 0.001 0.10 0.0 1.0 0.0 0.0<br />

60 Wetland 1.0 0.10 0.5 .25 0.0 2.0<br />

61 Forested Wetland 1.0 0.1 0.5 0.25 0.0 2.0<br />

62 Nonforested Wetland 0.2 0.1 0.1 0.25 0.0 1.0<br />

70 Barren Land 0.05 0.30 1.0 .15 0.0 0.05<br />

80 Tundra .20 0.30 0.5 .15 0.0 0.0<br />

90 Perennial Snow or Ice .05 0.70 0.5 .15 0.0 0.0<br />

* Neg<strong>at</strong>ive values indic<strong>at</strong>e "irrig<strong>at</strong>ed" land use<br />

8-58

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